Merge branch 'main' into feat/ical-rewrite

Workflow: Publish container images for feature branches too
2026-01-30 22:28:22 +00:00 · 2026-01-16 16:47:17 +01:00 · 2026-01-16 16:29:38 +01:00 · 2026-01-16 15:58:17 +01:00 · 2026-01-16 15:47:10 +01:00 · 2026-01-16 15:41:39 +01:00
68 changed files with 906 additions and 1981 deletions
--- a/.github/workflows/docker-publish.yml
+++ b/.github/workflows/docker-publish.yml
@@ -2,7 +2,10 @@ name: Docker

 on:
  push:
-    branches: ["main", "dev"]
+    branches:
+      - main
+      - dev
+      - feat/*
  release:
    types: ["published"]

@@ -45,7 +48,8 @@ jobs:
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
-            type=ref,event=branch
+            ${{ github.ref_name == 'main' && 'type=ref,event=branch' || '' }}
+            type=ref,event=branch,prefix=br-
            type=ref,event=pr
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
--- a/.gitignore
+++ b/.gitignore
@@ -16,3 +16,5 @@ site
 # Frontend
 **/node_modules
 **/.vite
+
+**/*.snap.new
--- a/.sqlx/query-146e23ae4e0eaae4d65ac7563c67d4f295ccc2534dcc4b3bd710de773ed137f9.json
+++ b/.sqlx/query-146e23ae4e0eaae4d65ac7563c67d4f295ccc2534dcc4b3bd710de773ed137f9.json
@@ -0,0 +1,12 @@
+{
+  "db_name": "SQLite",
+  "query": "DELETE FROM calendarobjectchangelog WHERE (principal, cal_id, object_id) = (?, ?, ?);",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Right": 3
+    },
+    "nullable": []
+  },
+  "hash": "146e23ae4e0eaae4d65ac7563c67d4f295ccc2534dcc4b3bd710de773ed137f9"
+}
--- a/.sqlx/query-354decac84758c88280f60fbf0f93dddc6c7ff92ac7b8ba44049d31df3c680e3.json
+++ b/.sqlx/query-354decac84758c88280f60fbf0f93dddc6c7ff92ac7b8ba44049d31df3c680e3.json
@@ -0,0 +1,12 @@
+{
+  "db_name": "SQLite",
+  "query": "UPDATE calendarobjects SET ics = ? WHERE (principal, cal_id, id) = (?, ?, ?);",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Right": 4
+    },
+    "nullable": []
+  },
+  "hash": "354decac84758c88280f60fbf0f93dddc6c7ff92ac7b8ba44049d31df3c680e3"
+}
--- a/.sqlx/query-bdaa4bee8b01d0e3773e34672ed4805d1e71d24888f2227045afd90bf080fc23.json
+++ b/.sqlx/query-bdaa4bee8b01d0e3773e34672ed4805d1e71d24888f2227045afd90bf080fc23.json
@@ -0,0 +1,38 @@
+{
+  "db_name": "SQLite",
+  "query": "SELECT principal, cal_id, id, ics FROM calendarobjects WHERE ics LIKE '%VERSION:4.0%';",
+  "describe": {
+    "columns": [
+      {
+        "name": "principal",
+        "ordinal": 0,
+        "type_info": "Text"
+      },
+      {
+        "name": "cal_id",
+        "ordinal": 1,
+        "type_info": "Text"
+      },
+      {
+        "name": "id",
+        "ordinal": 2,
+        "type_info": "Text"
+      },
+      {
+        "name": "ics",
+        "ordinal": 3,
+        "type_info": "Text"
+      }
+    ],
+    "parameters": {
+      "Right": 0
+    },
+    "nullable": [
+      false,
+      false,
+      false,
+      false
+    ]
+  },
+  "hash": "bdaa4bee8b01d0e3773e34672ed4805d1e71d24888f2227045afd90bf080fc23"
+}
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -477,9 +477,9 @@ checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"

 [[package]]
 name = "base64ct"
-version = "1.8.2"
+version = "1.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d809780667f4410e7c41b07f52439b94d2bdf8528eeedc287fa38d3b7f95d82"
+checksum = "2af50177e190e07a26ab74f8b1efbfe2ef87da2116221318cb1c2e82baf7de06"

 [[package]]
 name = "basic-toml"
@@ -595,9 +595,9 @@ checksum = "613afe47fcd5fac7ccf1db93babcb082c5994d996f20b8b159f2ad1658eb5724"

 [[package]]
 name = "chrono"
-version = "0.4.42"
+version = "0.4.43"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "145052bdd345b87320e369255277e3fb5152762ad123a901ef5c262dd38fe8d2"
+checksum = "fac4744fb15ae8337dc853fee7fb3f4e48c0fbaa23d0afe49c447b4fab126118"
 dependencies = [
 "iana-time-zone",
 "js-sys",
@@ -689,9 +689,9 @@ dependencies = [

 [[package]]
 name = "clap_lex"
-version = "0.7.6"
+version = "0.7.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a1d728cc89cf3aee9ff92b05e62b19ee65a02b5702cff7d5a377e32c6ae29d8d"
+checksum = "c3e64b0cc0439b12df2fa678eae89a1c56a529fd067a9115f7827f1fffd22b32"

 [[package]]
 name = "colorchoice"
@@ -1422,9 +1422,9 @@ dependencies = [

 [[package]]
 name = "getrandom"
-version = "0.2.16"
+version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "335ff9f135e4384c8150d6f27c6daed433577f86b4750418338c01a1a2528592"
+checksum = "ff2abc00be7fca6ebc474524697ae276ad847ad0a6b3faa4bcb027e9a4614ad0"
 dependencies = [
 "cfg-if",
 "js-sys",
@@ -1770,8 +1770,8 @@ dependencies = [

 [[package]]
 name = "ical"
-version = "0.11.0"
-source = "git+https://github.com/lennart-k/ical-rs?branch=dev#b1edcdf2bb7db5a302a5df3650218a9a16aefe0c"
+version = "0.12.0-dev"
+source = "git+https://github.com/lennart-k/ical-rs?branch=dev#5e61c25646c3785448d349e7d18b2833fc483c53"
 dependencies = [
 "chrono",
 "chrono-tz",
@@ -1784,21 +1784,6 @@ dependencies = [
 "thiserror 2.0.17",
 ]

-[[package]]
-name = "ical"
-version = "0.11.0"
-source = "git+https://github.com/lennart-k/ical-rs#dcd3b106758a054f46a5172103abb17972ad032d"
-dependencies = [
- "chrono",
- "chrono-tz",
- "derive_more",
- "itertools 0.14.0",
- "lazy_static",
- "regex",
- "rrule",
- "thiserror 2.0.17",
-]
-
 [[package]]
 name = "icu_collections"
 version = "2.1.1"
@@ -1938,9 +1923,9 @@ checksum = "c8fae54786f62fb2918dcfae3d568594e50eb9b5c25bf04371af6fe7516452fb"

 [[package]]
 name = "insta"
-version = "1.46.0"
+version = "1.46.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b66886d14d18d420ab5052cbff544fc5d34d0b2cdd35eb5976aaa10a4a472e5"
+checksum = "248b42847813a1550dafd15296fd9748c651d0c32194559dbc05d804d54b21e8"
 dependencies = [
 "console",
 "once_cell",
@@ -2006,9 +1991,9 @@ checksum = "92ecc6618181def0457392ccd0ee51198e065e016d1d527a7ac1b6dc7c1f09d2"

 [[package]]
 name = "js-sys"
-version = "0.3.83"
+version = "0.3.85"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "464a3709c7f55f1f721e5389aa6ea4e3bc6aba669353300af094b29ffbdde1d8"
+checksum = "8c942ebf8e95485ca0d52d97da7c5a2c387d0e7f0ba4c35e93bfcaee045955b3"
 dependencies = [
 "once_cell",
 "wasm-bindgen",
@@ -2257,7 +2242,7 @@ checksum = "51e219e79014df21a225b1860a479e2dcd7cbd9130f4defd4bd0e191ea31d67d"
 dependencies = [
 "base64 0.22.1",
 "chrono",
- "getrandom 0.2.16",
+ "getrandom 0.2.17",
 "http",
 "rand 0.8.5",
 "reqwest",
@@ -2536,7 +2521,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1a2a4764cc1f8d961d802af27193c6f4f0124bd0e76e8393cf818e18880f0524"
 dependencies = [
 "argon2",
- "getrandom 0.2.16",
+ "getrandom 0.2.17",
 "password-hash",
 "pbkdf2",
 "rand_core 0.6.4",
@@ -2862,9 +2847,9 @@ dependencies = [

 [[package]]
 name = "prost"
-version = "0.14.1"
+version = "0.14.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7231bd9b3d3d33c86b58adbac74b5ec0ad9f496b19d22801d773636feaa95f3d"
+checksum = "d2ea70524a2f82d518bce41317d0fae74151505651af45faf1ffbd6fd33f0568"
 dependencies = [
 "bytes",
 "prost-derive",
@@ -2872,9 +2857,9 @@ dependencies = [

 [[package]]
 name = "prost-derive"
-version = "0.14.1"
+version = "0.14.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9120690fafc389a67ba3803df527d0ec9cbbc9cc45e4cc20b332996dfb672425"
+checksum = "27c6023962132f4b30eb4c172c91ce92d933da334c59c23cddee82358ddafb0b"
 dependencies = [
 "anyhow",
 "itertools 0.14.0",
@@ -2885,9 +2870,9 @@ dependencies = [

 [[package]]
 name = "quick-xml"
-version = "0.38.4"
+version = "0.39.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b66c2058c55a409d601666cffe35f04333cf1013010882cec174a7467cd4e21c"
+checksum = "f2e3bf4aa9d243beeb01a7b3bc30b77cfe2c44e24ec02d751a7104a53c2c49a1"
 dependencies = [
 "memchr",
 ]
@@ -2980,7 +2965,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6db2770f06117d490610c7488547d543617b21bfa07796d7a12f6f1bd53850d1"
 dependencies = [
 "rand_chacha 0.9.0",
- "rand_core 0.9.3",
+ "rand_core 0.9.5",
 ]

 [[package]]
@@ -3000,7 +2985,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d3022b5f1df60f26e1ffddd6c66e8aa15de382ae63b3a0c1bfc0e4d3e3f325cb"
 dependencies = [
 "ppv-lite86",
- "rand_core 0.9.3",
+ "rand_core 0.9.5",
 ]

 [[package]]
@@ -3009,14 +2994,14 @@ version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
 dependencies = [
- "getrandom 0.2.16",
+ "getrandom 0.2.17",
 ]

 [[package]]
 name = "rand_core"
-version = "0.9.3"
+version = "0.9.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "99d9a13982dcf210057a8a78572b2217b667c3beacbf3a0d8b454f6f82837d38"
+checksum = "76afc826de14238e6e8c374ddcc1fa19e374fd8dd986b0d2af0d02377261d83c"
 dependencies = [
 "getrandom 0.3.4",
 ]
@@ -3175,7 +3160,7 @@ checksum = "a4689e6c2294d81e88dc6261c768b63bc4fcdb852be6d1352498b114f61383b7"
 dependencies = [
 "cc",
 "cfg-if",
- "getrandom 0.2.16",
+ "getrandom 0.2.17",
 "libc",
 "untrusted",
 "windows-sys 0.52.0",
@@ -3277,9 +3262,9 @@ dependencies = [

 [[package]]
 name = "rust-embed"
-version = "8.9.0"
+version = "8.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "947d7f3fad52b283d261c4c99a084937e2fe492248cb9a68a8435a861b8798ca"
+checksum = "04113cb9355a377d83f06ef1f0a45b8ab8cd7d8b1288160717d66df5c7988d27"
 dependencies = [
 "rust-embed-impl",
 "rust-embed-utils",
@@ -3288,9 +3273,9 @@ dependencies = [

 [[package]]
 name = "rust-embed-impl"
-version = "8.9.0"
+version = "8.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5fa2c8c9e8711e10f9c4fd2d64317ef13feaab820a4c51541f1a8c8e2e851ab2"
+checksum = "da0902e4c7c8e997159ab384e6d0fc91c221375f6894346ae107f47dd0f3ccaa"
 dependencies = [
 "proc-macro2",
 "quote",
@@ -3301,9 +3286,9 @@ dependencies = [

 [[package]]
 name = "rust-embed-utils"
-version = "8.9.0"
+version = "8.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "60b161f275cb337fe0a44d924a5f4df0ed69c2c39519858f931ce61c779d3475"
+checksum = "5bcdef0be6fe7f6fa333b1073c949729274b05f123a0ad7efcb8efd878e5c3b1"
 dependencies = [
 "sha2",
 "walkdir",
@@ -3311,9 +3296,9 @@ dependencies = [

 [[package]]
 name = "rustc-demangle"
-version = "0.1.26"
+version = "0.1.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "56f7d92ca342cea22a06f2121d944b4fd82af56988c270852495420f961d4ace"
+checksum = "b50b8869d9fc858ce7266cce0194bd74df58b9d0e3f6df3a9fc8eb470d95c09d"

 [[package]]
 name = "rustc-hash"
@@ -3332,7 +3317,7 @@ dependencies = [

 [[package]]
 name = "rustical"
-version = "0.11.11"
+version = "0.11.17"
 dependencies = [
 "anyhow",
 "argon2",
@@ -3343,7 +3328,7 @@ dependencies = [
 "figment",
 "headers",
 "http",
- "ical 0.11.0 (git+https://github.com/lennart-k/ical-rs?branch=dev)",
+ "ical",
 "insta",
 "opentelemetry",
 "opentelemetry-otlp",
@@ -3378,7 +3363,7 @@ dependencies = [

 [[package]]
 name = "rustical_caldav"
-version = "0.11.11"
+version = "0.11.17"
 dependencies = [
 "async-std",
 "async-trait",
@@ -3391,7 +3376,7 @@ dependencies = [
 "futures-util",
 "headers",
 "http",
- "ical 0.11.0 (git+https://github.com/lennart-k/ical-rs)",
+ "ical",
 "insta",
 "percent-encoding",
 "quick-xml",
@@ -3420,7 +3405,7 @@ dependencies = [

 [[package]]
 name = "rustical_carddav"
-version = "0.11.11"
+version = "0.11.17"
 dependencies = [
 "async-trait",
 "axum",
@@ -3430,7 +3415,7 @@ dependencies = [
 "derive_more",
 "futures-util",
 "http",
- "ical 0.11.0 (git+https://github.com/lennart-k/ical-rs)",
+ "ical",
 "insta",
 "percent-encoding",
 "quick-xml",
@@ -3454,7 +3439,7 @@ dependencies = [

 [[package]]
 name = "rustical_dav"
-version = "0.11.11"
+version = "0.11.17"
 dependencies = [
 "async-trait",
 "axum",
@@ -3463,7 +3448,7 @@ dependencies = [
 "futures-util",
 "headers",
 "http",
- "ical 0.11.0 (git+https://github.com/lennart-k/ical-rs)",
+ "ical",
 "itertools 0.14.0",
 "log",
 "matchit 0.9.1",
@@ -3480,7 +3465,7 @@ dependencies = [

 [[package]]
 name = "rustical_dav_push"
-version = "0.11.11"
+version = "0.11.17"
 dependencies = [
 "async-trait",
 "axum",
@@ -3505,7 +3490,7 @@ dependencies = [

 [[package]]
 name = "rustical_frontend"
-version = "0.11.11"
+version = "0.11.17"
 dependencies = [
 "askama",
 "askama_web",
@@ -3541,13 +3526,13 @@ dependencies = [

 [[package]]
 name = "rustical_ical"
-version = "0.11.11"
+version = "0.11.17"
 dependencies = [
 "axum",
 "chrono",
 "chrono-tz",
 "derive_more",
- "ical 0.11.0 (git+https://github.com/lennart-k/ical-rs)",
+ "ical",
 "regex",
 "rrule",
 "rstest",
@@ -3560,7 +3545,7 @@ dependencies = [

 [[package]]
 name = "rustical_oidc"
-version = "0.11.11"
+version = "0.11.17"
 dependencies = [
 "async-trait",
 "axum",
@@ -3576,7 +3561,7 @@ dependencies = [

 [[package]]
 name = "rustical_store"
-version = "0.11.11"
+version = "0.11.17"
 dependencies = [
 "anyhow",
 "async-trait",
@@ -3588,7 +3573,7 @@ dependencies = [
 "futures-core",
 "headers",
 "http",
- "ical 0.11.0 (git+https://github.com/lennart-k/ical-rs)",
+ "ical",
 "regex",
 "rrule",
 "rstest",
@@ -3609,12 +3594,13 @@ dependencies = [

 [[package]]
 name = "rustical_store_sqlite"
-version = "0.11.11"
+version = "0.11.17"
 dependencies = [
 "async-trait",
 "chrono",
 "criterion",
 "derive_more",
+ "ical",
 "password-auth",
 "password-hash",
 "pbkdf2",
@@ -3633,7 +3619,7 @@ dependencies = [

 [[package]]
 name = "rustical_xml"
-version = "0.11.11"
+version = "0.11.17"
 dependencies = [
 "quick-xml",
 "thiserror 2.0.17",
@@ -3669,9 +3655,9 @@ dependencies = [

 [[package]]
 name = "rustls-pki-types"
-version = "1.13.2"
+version = "1.13.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "21e6f2ab2928ca4291b86736a8bd920a277a399bba1589409d72154ff87c1282"
+checksum = "4910321ebe4151be888e35fe062169554e74aad01beafed60410131420ceffbc"
 dependencies = [
 "web-time",
 "zeroize",
@@ -4369,30 +4355,30 @@ dependencies = [

 [[package]]
 name = "time"
-version = "0.3.44"
+version = "0.3.45"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "91e7d9e3bb61134e77bde20dd4825b97c010155709965fedf0f49bb138e52a9d"
+checksum = "f9e442fc33d7fdb45aa9bfeb312c095964abdf596f7567261062b2a7107aaabd"
 dependencies = [
 "deranged",
 "itoa",
 "num-conv",
 "powerfmt",
- "serde",
+ "serde_core",
 "time-core",
 "time-macros",
 ]

 [[package]]
 name = "time-core"
-version = "0.1.6"
+version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "40868e7c1d2f0b8d73e4a8c7f0ff63af4f6d19be117e90bd73eb1d62cf831c6b"
+checksum = "8b36ee98fd31ec7426d599183e8fe26932a8dc1fb76ddb6214d05493377d34ca"

 [[package]]
 name = "time-macros"
-version = "0.2.24"
+version = "0.2.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "30cfb0125f12d9c277f35663a0a33f8c30190f4e4574868a330595412d34ebf3"
+checksum = "71e552d1249bf61ac2a52db88179fd0673def1e1ad8243a00d9ec9ed71fee3dd"
 dependencies = [
 "num-conv",
 "time-core",
@@ -4627,9 +4613,9 @@ dependencies = [

 [[package]]
 name = "tower"
-version = "0.5.2"
+version = "0.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d039ad9159c98b70ecfd540b2573b97f7f52c3e8d9f8ad57a24b916a536975f9"
+checksum = "ebe5ef63511595f1344e2d5cfa636d973292adc0eec1f0ad45fae9f0851ab1d4"
 dependencies = [
 "futures-core",
 "futures-util",
@@ -4797,16 +4783,13 @@ dependencies = [

 [[package]]
 name = "tracing-opentelemetry"
-version = "0.32.0"
+version = "0.32.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e6e5658463dd88089aba75c7791e1d3120633b1bfde22478b28f625a9bb1b8e"
+checksum = "1ac28f2d093c6c477eaa76b23525478f38de514fa9aeb1285738d4b97a9552fc"
 dependencies = [
 "js-sys",
 "opentelemetry",
- "opentelemetry_sdk",
- "rustversion",
 "smallvec",
- "thiserror 2.0.17",
 "tracing",
 "tracing-core",
 "tracing-log",
@@ -5003,9 +4986,9 @@ checksum = "ccf3ec651a847eb01de73ccad15eb7d99f80485de043efb2f370cd654f4ea44b"

 [[package]]
 name = "wasip2"
-version = "1.0.1+wasi-0.2.4"
+version = "1.0.2+wasi-0.2.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0562428422c63773dad2c345a1882263bbf4d65cf3f42e90921f787ef5ad58e7"
+checksum = "9517f9239f02c069db75e65f174b3da828fe5f5b945c4dd26bd25d89c03ebcf5"
 dependencies = [
 "wit-bindgen",
 ]
@@ -5018,9 +5001,9 @@ checksum = "b8dad83b4f25e74f184f64c43b150b91efe7647395b42289f38e50566d82855b"

 [[package]]
 name = "wasm-bindgen"
-version = "0.2.106"
+version = "0.2.108"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0d759f433fa64a2d763d1340820e46e111a7a5ab75f993d1852d70b03dbb80fd"
+checksum = "64024a30ec1e37399cf85a7ffefebdb72205ca1c972291c51512360d90bd8566"
 dependencies = [
 "cfg-if",
 "once_cell",
@@ -5031,11 +5014,12 @@ dependencies = [

 [[package]]
 name = "wasm-bindgen-futures"
-version = "0.4.56"
+version = "0.4.58"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "836d9622d604feee9e5de25ac10e3ea5f2d65b41eac0d9ce72eb5deae707ce7c"
+checksum = "70a6e77fd0ae8029c9ea0063f87c46fde723e7d887703d74ad2616d792e51e6f"
 dependencies = [
 "cfg-if",
+ "futures-util",
 "js-sys",
 "once_cell",
 "wasm-bindgen",
@@ -5044,9 +5028,9 @@ dependencies = [

 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.106"
+version = "0.2.108"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "48cb0d2638f8baedbc542ed444afc0644a29166f1595371af4fecf8ce1e7eeb3"
+checksum = "008b239d9c740232e71bd39e8ef6429d27097518b6b30bdf9086833bd5b6d608"
 dependencies = [
 "quote",
 "wasm-bindgen-macro-support",
@@ -5054,9 +5038,9 @@ dependencies = [

 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.106"
+version = "0.2.108"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cefb59d5cd5f92d9dcf80e4683949f15ca4b511f4ac0a6e14d4e1ac60c6ecd40"
+checksum = "5256bae2d58f54820e6490f9839c49780dff84c65aeab9e772f15d5f0e913a55"
 dependencies = [
 "bumpalo",
 "proc-macro2",
@@ -5067,18 +5051,18 @@ dependencies = [

 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.106"
+version = "0.2.108"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cbc538057e648b67f72a982e708d485b2efa771e1ac05fec311f9f63e5800db4"
+checksum = "1f01b580c9ac74c8d8f0c0e4afb04eeef2acf145458e52c03845ee9cd23e3d12"
 dependencies = [
 "unicode-ident",
 ]

 [[package]]
 name = "web-sys"
-version = "0.3.83"
+version = "0.3.85"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9b32828d774c412041098d182a8b38b16ea816958e07cf40eec2bc080ae137ac"
+checksum = "312e32e551d92129218ea9a2452120f4aabc03529ef03e4d0d82fb2780608598"
 dependencies = [
 "js-sys",
 "wasm-bindgen",
@@ -5445,9 +5429,9 @@ dependencies = [

 [[package]]
 name = "wit-bindgen"
-version = "0.46.0"
+version = "0.51.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f17a85883d4e6d00e8a97c586de764dabcc06133f7f1d55dce5cdc070ad7fe59"
+checksum = "d7249219f66ced02969388cf2bb044a09756a083d0fab1e566056b04d9fbcaa5"

 [[package]]
 name = "writeable"
@@ -5457,7 +5441,7 @@ checksum = "9edde0db4769d2dc68579893f2306b26c6ecfbe0ef499b013d731b7b9247e0b9"

 [[package]]
 name = "xml_derive"
-version = "0.11.11"
+version = "0.11.17"
 dependencies = [
 "darling 0.23.0",
 "heck",
@@ -5578,6 +5562,6 @@ dependencies = [

 [[package]]
 name = "zmij"
-version = "1.0.12"
+version = "1.0.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2fc5a66a20078bf1251bde995aa2fdcc4b800c70b5d92dd2c62abc5c60f679f8"
+checksum = "bd8f3f50b848df28f887acb68e41201b5aea6bc8a8dacc00fb40635ff9a72fea"
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,7 +2,7 @@
 members = ["crates/*"]

 [workspace.package]
-version = "0.11.11"
+version = "0.11.17"
 rust-version = "1.92"
 edition = "2024"
 description = "A CalDAV server"
@@ -73,7 +73,7 @@ tokio = { version = "1.48", features = [
 url = "2.5"
 base64 = "0.22"
 thiserror = "2.0"
-quick-xml = { version = "0.38" }
+quick-xml = { version = "0.39" }
 rust-embed = "8.9"
 tower-sessions = "0.14"
 futures-core = "0.3"
@@ -107,7 +107,7 @@ strum = "0.27"
 strum_macros = "0.27"
 serde_json = { version = "1.0", features = ["raw_value"] }
 sqlx-sqlite = { version = "0.8", features = ["bundled"] }
-ical = { git = "https://github.com/lennart-k/ical-rs", features = [
+ical = { git = "https://github.com/lennart-k/ical-rs", branch = "dev", features = [
  "chrono-tz",
 ] }
 toml = "0.9"
@@ -160,6 +160,7 @@ rustical_store_sqlite.workspace = true
 rustical_caldav.workspace = true
 rustical_carddav.workspace = true
 rustical_frontend.workspace = true
+ical.workspace = true
 toml.workspace = true
 serde.workspace = true
 tokio.workspace = true
@@ -201,7 +202,3 @@ tower-http.workspace = true
 axum-extra.workspace = true
 headers.workspace = true
 http.workspace = true
-# TODO: Remove in next major release
-ical_dev = { package = "ical", git = "https://github.com/lennart-k/ical-rs", branch = "dev", features = [
-  "chrono-tz",
-] }
--- a/2
+++ b/2
@@ -36,7 +36,7 @@ COPY --from=planner /rustical/recipe.json recipe.json
 RUN cargo chef cook --release --target "$(cat /tmp/rust_target)"

 COPY . .
-RUN cargo install --target "$(cat /tmp/rust_target)" --path .
+RUN cargo install --locked --target "$(cat /tmp/rust_target)" --path .

 FROM scratch
 COPY --from=builder /usr/local/cargo/bin/rustical /usr/local/bin/rustical
--- a/crates/caldav/src/calendar/methods/get.rs
+++ b/crates/caldav/src/calendar/methods/get.rs
@@ -5,13 +5,11 @@ use axum::extract::State;
 use axum::{extract::Path, response::Response};
 use headers::{ContentType, HeaderMapExt};
 use http::{HeaderValue, Method, StatusCode, header};
-use ical::builder::calendar::IcalCalendarBuilder;
+use ical::component::IcalCalendar;
 use ical::generator::Emitter;
-use ical::property::Property;
+use ical::property::ContentLine;
 use percent_encoding::{CONTROLS, utf8_percent_encode};
-use rustical_ical::{CalendarObjectComponent, EventObject};
 use rustical_store::{CalendarStore, SubscriptionStore, auth::Principal};
-use std::collections::HashMap;
 use std::str::FromStr;
 use tracing::instrument;

@@ -33,60 +31,45 @@ pub async fn route_get<C: CalendarStore, S: SubscriptionStore>(
        return Err(crate::Error::Unauthorized);
    }

-    let mut vtimezones = HashMap::new();
-    let objects = cal_store.get_objects(&principal, &calendar_id).await?;
+    let objects = cal_store
+        .get_objects(&principal, &calendar_id)
+        .await?
+        .into_iter()
+        .map(|(_, object)| object.into())
+        .collect();
+
+    let mut props = vec![];

-    let mut ical_calendar_builder = IcalCalendarBuilder::version("2.0")
-        .gregorian()
-        .prodid("RustiCal");
    if let Some(displayname) = calendar.meta.displayname {
-        ical_calendar_builder = ical_calendar_builder.set(Property {
+        props.push(ContentLine {
            name: "X-WR-CALNAME".to_owned(),
            value: Some(displayname),
-            params: vec![],
+            params: vec![].into(),
        });
    }
    if let Some(description) = calendar.meta.description {
-        ical_calendar_builder = ical_calendar_builder.set(Property {
+        props.push(ContentLine {
            name: "X-WR-CALDESC".to_owned(),
            value: Some(description),
-            params: vec![],
+            params: vec![].into(),
+        });
+    }
+    if let Some(color) = calendar.meta.color {
+        props.push(ContentLine {
+            name: "X-WR-CALCOLOR".to_owned(),
+            value: Some(color),
+            params: vec![].into(),
        });
    }
    if let Some(timezone_id) = calendar.timezone_id {
-        ical_calendar_builder = ical_calendar_builder.set(Property {
+        props.push(ContentLine {
            name: "X-WR-TIMEZONE".to_owned(),
            value: Some(timezone_id),
-            params: vec![],
+            params: vec![].into(),
        });
    }

-    for object in &objects {
-        vtimezones.extend(object.get_vtimezones());
-        match object.get_data() {
-            CalendarObjectComponent::Event(EventObject { event, .. }, overrides) => {
-                ical_calendar_builder = ical_calendar_builder
-                    .add_event(event.clone())
-                    .add_events(overrides.iter().map(|ev| ev.event.clone()));
-            }
-            CalendarObjectComponent::Todo(todo, overrides) => {
-                ical_calendar_builder = ical_calendar_builder
-                    .add_todo(todo.clone())
-                    .add_todos(overrides.iter().cloned());
-            }
-            CalendarObjectComponent::Journal(journal, overrides) => {
-                ical_calendar_builder = ical_calendar_builder
-                    .add_journal(journal.clone())
-                    .add_journals(overrides.iter().cloned());
-            }
-        }
-    }
-
-    ical_calendar_builder = ical_calendar_builder.add_timezones(vtimezones.into_values().cloned());
-
-    let ical_calendar = ical_calendar_builder
-        .build()
-        .map_err(|parser_error| Error::IcalError(parser_error.into()))?;
+    let export_calendar = IcalCalendar::from_objects("RustiCal Export".to_owned(), objects, props);

    let mut resp = Response::builder().status(StatusCode::OK);
    let hdrs = resp.headers_mut().unwrap();
@@ -104,6 +87,6 @@ pub async fn route_get<C: CalendarStore, S: SubscriptionStore>(
    if matches!(method, Method::HEAD) {
        Ok(resp.body(Body::empty()).unwrap())
    } else {
-        Ok(resp.body(Body::new(ical_calendar.generate())).unwrap())
+        Ok(resp.body(Body::new(export_calendar.generate())).unwrap())
    }
 }
--- a/crates/caldav/src/calendar/methods/import.rs
+++ b/crates/caldav/src/calendar/methods/import.rs
@@ -5,16 +5,12 @@ use axum::{
    response::{IntoResponse, Response},
 };
 use http::StatusCode;
-use ical::{
-    generator::Emitter,
-    parser::{Component, ComponentMut},
-};
+use ical::parser::{Component, ComponentMut};
 use rustical_dav::header::Overwrite;
-use rustical_ical::{CalendarObject, CalendarObjectType};
+use rustical_ical::CalendarObjectType;
 use rustical_store::{
    Calendar, CalendarMetadata, CalendarStore, SubscriptionStore, auth::Principal,
 };
-use std::io::BufReader;
 use tracing::instrument;

 #[instrument(skip(resource_service))]
@@ -29,18 +25,8 @@ pub async fn route_import<C: CalendarStore, S: SubscriptionStore>(
        return Err(Error::Unauthorized);
    }

-    let mut parser = ical::IcalParser::new(BufReader::new(body.as_bytes()));
-    let mut cal = parser
-        .next()
-        .expect("input must contain calendar")
-        .unwrap()
-        .mutable();
-    if parser.next().is_some() {
-        return Err(rustical_ical::Error::InvalidData(
-            "multiple calendars, only one allowed".to_owned(),
-        )
-        .into());
-    }
+    let parser = ical::IcalParser::from_slice(body.as_bytes());
+    let mut cal = parser.expect_one()?.mutable();

    // Extract calendar metadata
    let displayname = cal
@@ -49,14 +35,19 @@ pub async fn route_import<C: CalendarStore, S: SubscriptionStore>(
    let description = cal
        .get_property("X-WR-CALDESC")
        .and_then(|prop| prop.value.clone());
+    let color = cal
+        .get_property("X-WR-CALCOLOR")
+        .and_then(|prop| prop.value.clone());
    let timezone_id = cal
        .get_property("X-WR-TIMEZONE")
        .and_then(|prop| prop.value.clone());
    // These properties should not appear in the expanded calendar objects
    cal.remove_property("X-WR-CALNAME");
    cal.remove_property("X-WR-CALDESC");
+    cal.remove_property("X-WR-CALCOLOR");
    cal.remove_property("X-WR-TIMEZONE");
-    let cal = cal.verify().unwrap();
+    let cal = cal.build(None).unwrap();
+
    // Make sure timezone is valid
    if let Some(timezone_id) = timezone_id.as_ref() {
        assert!(
@@ -64,8 +55,7 @@ pub async fn route_import<C: CalendarStore, S: SubscriptionStore>(
            "Invalid calendar timezone id"
        );
    }
-
-    // Extract necessary component types
+    // // Extract necessary component types
    let mut cal_components = vec![];
    if !cal.events.is_empty() {
        cal_components.push(CalendarObjectType::Event);
@@ -77,13 +67,7 @@ pub async fn route_import<C: CalendarStore, S: SubscriptionStore>(
        cal_components.push(CalendarObjectType::Todo);
    }

-    let expanded_cals = cal.expand_calendar();
-    // Janky way to convert between IcalCalendar and CalendarObject
-    let objects = expanded_cals
-        .into_iter()
-        .map(|cal| cal.generate())
-        .map(|ics| CalendarObject::from_ics(ics, None))
-        .collect::<Result<Vec<_>, _>>()?;
+    let objects = cal.into_objects()?.into_iter().map(Into::into).collect();
    let new_cal = Calendar {
        principal,
        id: cal_id,
@@ -91,7 +75,7 @@ pub async fn route_import<C: CalendarStore, S: SubscriptionStore>(
            displayname,
            order: 0,
            description,
-            color: None,
+            color,
        },
        timezone_id,
        deleted_at: None,
--- a/crates/caldav/src/calendar/methods/mkcalendar.rs
+++ b/crates/caldav/src/calendar/methods/mkcalendar.rs
@@ -87,15 +87,16 @@ pub async fn route_mkcalendar<C: CalendarStore, S: SubscriptionStore>(
        Some(tzid)
    } else if let Some(tz) = request.calendar_timezone {
        // TODO: Proper error (calendar-timezone precondition)
-        let calendar = IcalParser::new(tz.as_bytes())
+        let calendar = IcalParser::from_slice(tz.as_bytes())
            .next()
            .ok_or_else(|| rustical_dav::Error::BadRequest("No timezone data provided".to_owned()))?
            .map_err(|_| rustical_dav::Error::BadRequest("Error parsing timezone".to_owned()))?;

-        let timezone = calendar.timezones.first().ok_or_else(|| {
+        let timezone = calendar.vtimezones.values().next().ok_or_else(|| {
            rustical_dav::Error::BadRequest("No timezone data provided".to_owned())
        })?;
-        let timezone: chrono_tz::Tz = timezone.try_into().map_err(|_| {
+        let timezone: Option<chrono_tz::Tz> = timezone.into();
+        let timezone = timezone.ok_or_else(|| {
            rustical_dav::Error::BadRequest("Cannot translate VTIMEZONE into IANA TZID".to_owned())
        })?;

--- a/crates/caldav/src/calendar/methods/report/calendar_multiget.rs
+++ b/crates/caldav/src/calendar/methods/report/calendar_multiget.rs
@@ -21,7 +21,7 @@ pub async fn get_objects_calendar_multiget<C: CalendarStore>(
    principal: &str,
    cal_id: &str,
    store: &C,
-) -> Result<(Vec<CalendarObject>, Vec<String>), Error> {
+) -> Result<(Vec<(String, CalendarObject)>, Vec<String>), Error> {
    let mut result = vec![];
    let mut not_found = vec![];

@@ -32,7 +32,7 @@ pub async fn get_objects_calendar_multiget<C: CalendarStore>(
            let filename = filename.trim_start_matches('/');
            if let Some(object_id) = filename.strip_suffix(".ics") {
                match store.get_object(principal, cal_id, object_id, false).await {
-                    Ok(object) => result.push(object),
+                    Ok(object) => result.push((object_id.to_owned(), object)),
                    Err(rustical_store::Error::NotFound) => not_found.push(href.to_string()),
                    Err(err) => return Err(err.into()),
                }
--- a/crates/caldav/src/calendar/methods/report/calendar_query/comp_filter.rs
+++ b/crates/caldav/src/calendar/methods/report/calendar_query/comp_filter.rs
@@ -2,8 +2,10 @@ use crate::calendar::methods::report::calendar_query::{
    TimeRangeElement,
    prop_filter::{PropFilterElement, PropFilterable},
 };
-use ical::parser::ical::component::IcalTimeZone;
-use rustical_ical::{CalendarObject, CalendarObjectComponent, CalendarObjectType};
+use ical::{
+    component::{CalendarInnerData, IcalAlarm, IcalCalendarObject, IcalEvent, IcalTodo},
+    parser::{Component, ical::component::IcalTimeZone},
+};
 use rustical_xml::XmlDeserialize;

 #[derive(XmlDeserialize, Clone, Debug, PartialEq)]
@@ -68,9 +70,98 @@ pub trait CompFilterable: PropFilterable + Sized {
    }
 }

-impl CompFilterable for CalendarObject {
+impl CompFilterable for CalendarInnerData {
    fn get_comp_name(&self) -> &'static str {
-        "VCALENDAR"
+        match self {
+            Self::Event(main, _) => main.get_comp_name(),
+            Self::Journal(main, _) => main.get_comp_name(),
+            Self::Todo(main, _) => main.get_comp_name(),
+        }
+    }
+
+    fn match_time_range(&self, time_range: &TimeRangeElement) -> bool {
+        if let Some(start) = &time_range.start
+            && let Some(last_end) = self.get_last_occurence()
+            && start.to_utc() > last_end.utc()
+        {
+            return false;
+        }
+        if let Some(end) = &time_range.end
+            && let Some(first_start) = self.get_first_occurence()
+            && end.to_utc() < first_start.utc()
+        {
+            return false;
+        }
+        true
+    }
+
+    fn match_subcomponents(&self, comp_filter: &CompFilterElement) -> bool {
+        match self {
+            Self::Event(main, overrides) => std::iter::once(main)
+                .chain(overrides.iter())
+                .flat_map(IcalEvent::get_alarms)
+                .any(|alarm| alarm.matches(comp_filter)),
+            Self::Todo(main, overrides) => std::iter::once(main)
+                .chain(overrides.iter())
+                .flat_map(IcalTodo::get_alarms)
+                .any(|alarm| alarm.matches(comp_filter)),
+            // VJOURNAL has no subcomponents
+            Self::Journal(_, _) => comp_filter.is_not_defined.is_some(),
+        }
+    }
+}
+
+impl PropFilterable for IcalAlarm {
+    fn get_named_properties<'a>(
+        &'a self,
+        name: &'a str,
+    ) -> impl Iterator<Item = &'a ical::property::ContentLine> {
+        Component::get_named_properties(self, name)
+    }
+}
+
+impl CompFilterable for IcalAlarm {
+    fn get_comp_name(&self) -> &'static str {
+        Component::get_comp_name(self)
+    }
+
+    fn match_time_range(&self, _time_range: &TimeRangeElement) -> bool {
+        true
+    }
+
+    fn match_subcomponents(&self, comp_filter: &CompFilterElement) -> bool {
+        comp_filter.is_not_defined.is_some()
+    }
+}
+
+impl PropFilterable for CalendarInnerData {
+    #[allow(refining_impl_trait)]
+    fn get_named_properties<'a>(
+        &'a self,
+        name: &'a str,
+    ) -> Box<dyn Iterator<Item = &'a ical::property::ContentLine> + 'a> {
+        // TODO: If we were pedantic, we would have to do recurrence expansion first
+        // and take into account the overrides :(
+        match self {
+            Self::Event(main, _) => Box::new(main.get_named_properties(name)),
+            Self::Todo(main, _) => Box::new(main.get_named_properties(name)),
+            Self::Journal(main, _) => Box::new(main.get_named_properties(name)),
+        }
+    }
+}
+
+impl PropFilterable for IcalCalendarObject {
+    fn get_named_properties<'a>(
+        &'a self,
+        name: &'a str,
+    ) -> impl Iterator<Item = &'a ical::property::ContentLine> {
+        Component::get_named_properties(self, name)
+    }
+}
+
+impl CompFilterable for IcalCalendarObject {
+    fn get_comp_name(&self) -> &'static str {
+        Component::get_comp_name(self)
    }

    fn match_time_range(&self, _time_range: &TimeRangeElement) -> bool {
@@ -83,54 +174,36 @@ impl CompFilterable for CalendarObject {
            .get_vtimezones()
            .values()
            .map(|tz| tz.matches(comp_filter))
-            .chain([self.get_data().matches(comp_filter)]);
+            .chain([self.get_inner().matches(comp_filter)]);

        if comp_filter.is_not_defined.is_some() {
-            matches.all(|x| x)
+            matches.all(|x| !x)
        } else {
            matches.any(|x| x)
        }
    }
 }

+impl PropFilterable for IcalTimeZone {
+    fn get_named_properties<'a>(
+        &'a self,
+        name: &'a str,
+    ) -> impl Iterator<Item = &'a ical::property::ContentLine> {
+        Component::get_named_properties(self, name)
+    }
+}
+
 impl CompFilterable for IcalTimeZone {
    fn get_comp_name(&self) -> &'static str {
-        "VTIMEZONE"
+        Component::get_comp_name(self)
    }
-
    fn match_time_range(&self, _time_range: &TimeRangeElement) -> bool {
        false
    }

-    fn match_subcomponents(&self, _comp_filter: &CompFilterElement) -> bool {
-        true
-    }
-}
-
-impl CompFilterable for CalendarObjectComponent {
-    fn get_comp_name(&self) -> &'static str {
-        CalendarObjectType::from(self).as_str()
-    }
-
-    fn match_time_range(&self, time_range: &TimeRangeElement) -> bool {
-        if let Some(start) = &time_range.start
-            && let Some(last_occurence) = self.get_last_occurence().unwrap_or(None)
-            && **start > last_occurence.utc()
-        {
-            return false;
-        }
-        if let Some(end) = &time_range.end
-            && let Some(first_occurence) = self.get_first_occurence().unwrap_or(None)
-            && **end < first_occurence.utc()
-        {
-            return false;
-        }
-        true
-    }
-
-    fn match_subcomponents(&self, _comp_filter: &CompFilterElement) -> bool {
-        // TODO: Properly check subcomponents
-        true
+    fn match_subcomponents(&self, comp_filter: &CompFilterElement) -> bool {
+        // VTIMEZONE has no subcomponents
+        comp_filter.is_not_defined.is_some()
    }
 }

@@ -147,6 +220,7 @@ mod tests {
    const ICS: &str = r"BEGIN:VCALENDAR
 CALSCALE:GREGORIAN
 VERSION:2.0
+PRODID:me
 BEGIN:VTIMEZONE
 TZID:Europe/Berlin
 X-LIC-LOCATION:Europe/Berlin
@@ -166,7 +240,7 @@ END:VCALENDAR";

    #[test]
    fn test_comp_filter_matching() {
-        let object = CalendarObject::from_ics(ICS.to_string(), None).unwrap();
+        let object = CalendarObject::from_ics(ICS.to_string()).unwrap();

        let comp_filter = CompFilterElement {
            is_not_defined: Some(()),
@@ -175,7 +249,10 @@ END:VCALENDAR";
            prop_filter: vec![],
            comp_filter: vec![],
        };
-        assert!(!object.matches(&comp_filter), "filter: wants no VCALENDAR");
+        assert!(
+            !object.get_inner().matches(&comp_filter),
+            "filter: wants no VCALENDAR"
+        );

        let comp_filter = CompFilterElement {
            is_not_defined: None,
@@ -190,7 +267,10 @@ END:VCALENDAR";
                comp_filter: vec![],
            }],
        };
-        assert!(!object.matches(&comp_filter), "filter matches VTODO");
+        assert!(
+            !object.get_inner().matches(&comp_filter),
+            "filter matches VTODO"
+        );

        let comp_filter = CompFilterElement {
            is_not_defined: None,
@@ -205,7 +285,10 @@ END:VCALENDAR";
                comp_filter: vec![],
            }],
        };
-        assert!(object.matches(&comp_filter), "filter matches VEVENT");
+        assert!(
+            object.get_inner().matches(&comp_filter),
+            "filter matches VEVENT"
+        );

        let comp_filter = CompFilterElement {
            is_not_defined: None,
@@ -252,13 +335,13 @@ END:VCALENDAR";
            }],
        };
        assert!(
-            object.matches(&comp_filter),
+            object.get_inner().matches(&comp_filter),
            "Some prop filters on VCALENDAR and VEVENT"
        );
    }
    #[test]
    fn test_comp_filter_time_range() {
-        let object = CalendarObject::from_ics(ICS.to_string(), None).unwrap();
+        let object = CalendarObject::from_ics(ICS.to_string()).unwrap();

        let comp_filter = CompFilterElement {
            is_not_defined: None,
@@ -281,7 +364,7 @@ END:VCALENDAR";
            }],
        };
        assert!(
-            object.matches(&comp_filter),
+            object.get_inner().matches(&comp_filter),
            "event should lie in time range"
        );

@@ -306,14 +389,14 @@ END:VCALENDAR";
            }],
        };
        assert!(
-            !object.matches(&comp_filter),
+            !object.get_inner().matches(&comp_filter),
            "event should not lie in time range"
        );
    }

    #[test]
    fn test_match_timezone() {
-        let object = CalendarObject::from_ics(ICS.to_string(), None).unwrap();
+        let object = CalendarObject::from_ics(ICS.to_string()).unwrap();

        let comp_filter = CompFilterElement {
            is_not_defined: None,
@@ -340,7 +423,7 @@ END:VCALENDAR";
            }],
        };
        assert!(
-            object.matches(&comp_filter),
+            object.get_inner().matches(&comp_filter),
            "Timezone should be Europe/Berlin"
        );
    }
--- a/crates/caldav/src/calendar/methods/report/calendar_query/elements.rs
+++ b/crates/caldav/src/calendar/methods/report/calendar_query/elements.rs
@@ -1,8 +1,8 @@
 use super::comp_filter::{CompFilterElement, CompFilterable};
 use crate::calendar_object::CalendarObjectPropWrapperName;
-use ical::property::Property;
+use ical::{component::IcalCalendarObject, property::ContentLine};
 use rustical_dav::xml::{PropfindType, TextMatchElement};
-use rustical_ical::{CalendarObject, UtcDateTime};
+use rustical_ical::UtcDateTime;
 use rustical_store::calendar_store::CalendarQuery;
 use rustical_xml::{XmlDeserialize, XmlRootTag};

@@ -30,8 +30,8 @@ pub struct ParamFilterElement {

 impl ParamFilterElement {
    #[must_use]
-    pub fn match_property(&self, prop: &Property) -> bool {
-        let Some(param) = prop.get_param(&self.name) else {
+    pub fn match_property(&self, prop: &ContentLine) -> bool {
+        let Some(param) = prop.params.get_param(&self.name) else {
            return self.is_not_defined.is_some();
        };
        if self.is_not_defined.is_some() {
@@ -57,7 +57,7 @@ pub struct FilterElement {

 impl FilterElement {
    #[must_use]
-    pub fn matches(&self, cal_object: &CalendarObject) -> bool {
+    pub fn matches(&self, cal_object: &IcalCalendarObject) -> bool {
        cal_object.matches(&self.comp_filter)
    }
 }
--- a/crates/caldav/src/calendar/methods/report/calendar_query/mod.rs
+++ b/crates/caldav/src/calendar/methods/report/calendar_query/mod.rs
@@ -11,19 +11,19 @@ mod tests;
 pub use comp_filter::{CompFilterElement, CompFilterable};
 pub use elements::*;
 #[allow(unused_imports)]
-pub use prop_filter::{PropFilterElement, PropFilterable};
+pub use prop_filter::PropFilterElement;

 pub async fn get_objects_calendar_query<C: CalendarStore>(
    cal_query: &CalendarQueryRequest,
    principal: &str,
    cal_id: &str,
    store: &C,
-) -> Result<Vec<CalendarObject>, Error> {
+) -> Result<Vec<(String, CalendarObject)>, Error> {
    let mut objects = store
        .calendar_query(principal, cal_id, cal_query.into())
        .await?;
    if let Some(filter) = &cal_query.filter {
-        objects.retain(|object| filter.matches(object));
+        objects.retain(|(_id, object)| filter.matches(object.get_inner()));
    }
    Ok(objects)
 }
--- a/crates/caldav/src/calendar/methods/report/calendar_query/prop_filter.rs
+++ b/crates/caldav/src/calendar/methods/report/calendar_query/prop_filter.rs
@@ -1,16 +1,8 @@
 use super::{ParamFilterElement, TimeRangeElement};
-use ical::{
-    generator::{IcalCalendar, IcalEvent},
-    parser::{
-        Component,
-        ical::component::{IcalJournal, IcalTimeZone, IcalTodo},
-    },
-    property::Property,
-};
+use ical::{property::ContentLine, types::CalDateTime};
 use rustical_dav::xml::TextMatchElement;
-use rustical_ical::{CalDateTime, CalendarObject, CalendarObjectComponent, UtcDateTime};
+use rustical_ical::UtcDateTime;
 use rustical_xml::XmlDeserialize;
-use std::collections::HashMap;

 #[derive(XmlDeserialize, Clone, Debug, PartialEq, Eq)]
 #[allow(dead_code)]
@@ -29,12 +21,16 @@ pub struct PropFilterElement {
    pub(crate) name: String,
 }

+pub trait PropFilterable {
+    fn get_named_properties<'a>(&'a self, name: &'a str) -> impl Iterator<Item = &'a ContentLine>;
+}
+
 impl PropFilterElement {
    #[must_use]
-    pub fn match_property(&self, property: &Property) -> bool {
+    pub fn match_property(&self, property: &ContentLine) -> bool {
        if let Some(TimeRangeElement { start, end }) = &self.time_range {
            // TODO: Respect timezones
-            let Ok(timestamp) = CalDateTime::parse_prop(property, &HashMap::default()) else {
+            let Ok(timestamp) = CalDateTime::parse_prop(property, None) else {
                return false;
            };
            let timestamp = timestamp.utc();
@@ -69,63 +65,13 @@ impl PropFilterElement {
    }

    pub fn match_component(&self, comp: &impl PropFilterable) -> bool {
-        let properties = comp.get_named_properties(&self.name);
+        let mut properties = comp.get_named_properties(&self.name);
        if self.is_not_defined.is_some() {
-            return properties.is_empty();
+            return properties.next().is_none();
        }

        // The filter matches when one property instance matches
        // Example where this matters: We have multiple attendees and want to match one
-        properties.iter().any(|prop| self.match_property(prop))
-    }
-}
-
-pub trait PropFilterable {
-    fn get_named_properties(&self, name: &str) -> Vec<&Property>;
-}
-
-impl PropFilterable for CalendarObject {
-    fn get_named_properties(&self, name: &str) -> Vec<&Property> {
-        Self::get_named_properties(self, name)
-    }
-}
-
-impl PropFilterable for IcalEvent {
-    fn get_named_properties(&self, name: &str) -> Vec<&Property> {
-        Component::get_named_properties(self, name)
-    }
-}
-
-impl PropFilterable for IcalTodo {
-    fn get_named_properties(&self, name: &str) -> Vec<&Property> {
-        Component::get_named_properties(self, name)
-    }
-}
-
-impl PropFilterable for IcalJournal {
-    fn get_named_properties(&self, name: &str) -> Vec<&Property> {
-        Component::get_named_properties(self, name)
-    }
-}
-
-impl PropFilterable for IcalCalendar {
-    fn get_named_properties(&self, name: &str) -> Vec<&Property> {
-        Component::get_named_properties(self, name)
-    }
-}
-
-impl PropFilterable for IcalTimeZone {
-    fn get_named_properties(&self, name: &str) -> Vec<&Property> {
-        Component::get_named_properties(self, name)
-    }
-}
-
-impl PropFilterable for CalendarObjectComponent {
-    fn get_named_properties(&self, name: &str) -> Vec<&Property> {
-        match self {
-            Self::Event(event, _) => PropFilterable::get_named_properties(&event.event, name),
-            Self::Todo(todo, _) => PropFilterable::get_named_properties(todo, name),
-            Self::Journal(journal, _) => PropFilterable::get_named_properties(journal, name),
-        }
+        properties.any(|prop| self.match_property(prop))
    }
 }
--- a/crates/caldav/src/calendar/methods/report/calendar_query/tests.rs
+++ b/crates/caldav/src/calendar/methods/report/calendar_query/tests.rs
@@ -77,7 +77,7 @@ const FILTER_2: &str = r#"
 #[case(ICS_1, FILTER_1, true)]
 #[case(ICS_1, FILTER_2, false)]
 fn yeet(#[case] ics: &str, #[case] filter: &str, #[case] matches: bool) {
-    let obj = CalendarObject::from_ics(ics.to_owned(), None).unwrap();
+    let obj = CalendarObject::from_ics(ics.to_owned()).unwrap();
    let filter = FilterElement::parse_str(filter).unwrap();
-    assert_eq!(matches, filter.matches(&obj));
+    assert_eq!(matches, filter.matches(obj.get_inner()));
 }
--- a/crates/caldav/src/calendar/methods/report/mod.rs
+++ b/crates/caldav/src/calendar/methods/report/mod.rs
@@ -51,7 +51,7 @@ impl ReportRequest {
 }

 fn objects_response(
-    objects: Vec<CalendarObject>,
+    objects: Vec<(String, CalendarObject)>,
    not_found: Vec<String>,
    path: &str,
    principal: &str,
@@ -60,11 +60,12 @@ fn objects_response(
    prop: &PropfindType<CalendarObjectPropWrapperName>,
 ) -> Result<MultistatusElement<CalendarObjectPropWrapper, String>, Error> {
    let mut responses = Vec::new();
-    for object in objects {
-        let path = format!("{}/{}.ics", path, object.get_id());
+    for (object_id, object) in objects {
+        let path = format!("{path}/{object_id}.ics");
        responses.push(
            CalendarObjectResource {
                object,
+                object_id,
                principal: principal.to_owned(),
            }
            .propfind(&path, prop, None, puri, user)?,
--- a/crates/caldav/src/calendar/methods/report/sync_collection.rs
+++ b/crates/caldav/src/calendar/methods/report/sync_collection.rs
@@ -32,11 +32,12 @@ pub async fn handle_sync_collection<C: CalendarStore>(
        .await?;

    let mut responses = Vec::new();
-    for object in new_objects {
-        let path = format!("{}/{}.ics", path, object.get_id());
+    for (object_id, object) in new_objects {
+        let path = format!("{}/{}.ics", path, &object_id);
        responses.push(
            CalendarObjectResource {
                object,
+                object_id,
                principal: principal.to_owned(),
            }
            .propfind(&path, &sync_collection.prop, None, puri, user)?,
--- a/crates/caldav/src/calendar/resource.rs
+++ b/crates/caldav/src/calendar/resource.rs
@@ -4,6 +4,7 @@ use crate::calendar::prop::{ReportMethod, SupportedCollationSet};
 use chrono::{DateTime, Utc};
 use derive_more::derive::{From, Into};
 use ical::IcalParser;
+use ical::types::CalDateTime;
 use rustical_dav::extensions::{
    CommonPropertiesExtension, CommonPropertiesProp, SyncTokenExtension, SyncTokenExtensionProp,
 };
@@ -11,7 +12,6 @@ use rustical_dav::privileges::UserPrivilegeSet;
 use rustical_dav::resource::{PrincipalUri, Resource, ResourceName};
 use rustical_dav::xml::{HrefElement, Resourcetype, ResourcetypeInner, SupportedReportSet};
 use rustical_dav_push::{DavPushExtension, DavPushExtensionProp};
-use rustical_ical::CalDateTime;
 use rustical_store::Calendar;
 use rustical_store::auth::Principal;
 use rustical_xml::{EnumVariants, PropName};
@@ -202,7 +202,7 @@ impl Resource for CalendarResource {
                CalendarProp::CalendarTimezone(timezone) => {
                    if let Some(tz) = timezone {
                        // TODO: Proper error (calendar-timezone precondition)
-                        let calendar = IcalParser::new(tz.as_bytes())
+                        let calendar = IcalParser::from_slice(tz.as_bytes())
                            .next()
                            .ok_or_else(|| {
                                rustical_dav::Error::BadRequest(
@@ -215,13 +215,13 @@ impl Resource for CalendarResource {
                                )
                            })?;

-                        let timezone = calendar.timezones.first().ok_or_else(|| {
+                        let timezone = calendar.vtimezones.values().next().ok_or_else(|| {
                            rustical_dav::Error::BadRequest("No timezone data provided".to_owned())
                        })?;
-                        let timezone: chrono_tz::Tz = timezone.try_into().map_err(|_| {
+                        let timezone: Option<chrono_tz::Tz> = timezone.into();
+                        let timezone = timezone.ok_or_else(|| {
                            rustical_dav::Error::BadRequest("No timezone data provided".to_owned())
                        })?;
-
                        self.cal.timezone_id = Some(timezone.name().to_owned());
                    }
                    Ok(())
--- a/crates/caldav/src/calendar/service.rs
+++ b/crates/caldav/src/calendar/service.rs
@@ -78,8 +78,9 @@ impl<C: CalendarStore, S: SubscriptionStore> ResourceService for CalendarResourc
            .get_objects(principal, cal_id)
            .await?
            .into_iter()
-            .map(|object| CalendarObjectResource {
+            .map(|(object_id, object)| CalendarObjectResource {
                object,
+                object_id,
                principal: principal.to_owned(),
            })
            .collect())
@@ -91,7 +92,7 @@ impl<C: CalendarStore, S: SubscriptionStore> ResourceService for CalendarResourc
        file: Self::Resource,
    ) -> Result<(), Self::Error> {
        self.cal_store
-            .update_calendar(principal.to_owned(), cal_id.to_owned(), file.into())
+            .update_calendar(principal, cal_id, file.into())
            .await?;
        Ok(())
    }
--- a/crates/caldav/src/calendar_object/methods.rs
+++ b/crates/caldav/src/calendar_object/methods.rs
@@ -94,13 +94,13 @@ pub async fn put_event<C: CalendarStore>(
        true
    };

-    let Ok(object) = CalendarObject::from_ics(body.clone(), Some(object_id)) else {
+    let Ok(object) = CalendarObject::from_ics(body.clone()) else {
        debug!("invalid calendar data:\n{body}");
        return Err(Error::PreconditionFailed(Precondition::ValidCalendarData));
    };
    let etag = object.get_etag();
    cal_store
-        .put_object(principal, calendar_id, object, overwrite)
+        .put_object(&principal, &calendar_id, &object_id, object, overwrite)
        .await?;

    let mut headers = HeaderMap::new();
--- a/crates/caldav/src/calendar_object/resource.rs
+++ b/crates/caldav/src/calendar_object/resource.rs
@@ -1,11 +1,10 @@
-use std::borrow::Cow;
-
 use super::prop::{
    CalendarData, CalendarObjectProp, CalendarObjectPropName, CalendarObjectPropWrapper,
    CalendarObjectPropWrapperName,
 };
 use crate::Error;
 use derive_more::derive::{From, Into};
+use ical::generator::Emitter;
 use rustical_dav::{
    extensions::CommonPropertiesExtension,
    privileges::UserPrivilegeSet,
@@ -14,16 +13,18 @@ use rustical_dav::{
 };
 use rustical_ical::CalendarObject;
 use rustical_store::auth::Principal;
+use std::borrow::Cow;

 #[derive(Clone, From, Into)]
 pub struct CalendarObjectResource {
    pub object: CalendarObject,
+    pub object_id: String,
    pub principal: String,
 }

 impl ResourceName for CalendarObjectResource {
    fn get_name(&self) -> Cow<'_, str> {
-        Cow::from(format!("{}.ics", self.object.get_id()))
+        Cow::from(format!("{}.ics", self.object_id))
    }
 }

@@ -53,14 +54,18 @@ impl Resource for CalendarObjectResource {
                        CalendarObjectProp::Getetag(self.object.get_etag())
                    }
                    CalendarObjectPropName::CalendarData(CalendarData { expand, .. }) => {
-                        CalendarObjectProp::CalendarData(if let Some(expand) = expand.as_ref() {
-                            self.object.expand_recurrence(
-                                Some(expand.start.to_utc()),
-                                Some(expand.end.to_utc()),
-                            )?
-                        } else {
-                            self.object.get_ics().to_owned()
-                        })
+                        CalendarObjectProp::CalendarData(expand.as_ref().map_or_else(
+                            || self.object.get_ics().to_owned(),
+                            |expand| {
+                                self.object
+                                    .get_inner()
+                                    .expand_recurrence(
+                                        Some(expand.start.to_utc()),
+                                        Some(expand.end.to_utc()),
+                                    )
+                                    .generate()
+                            },
+                        ))
                    }
                    CalendarObjectPropName::Getcontenttype => {
                        CalendarObjectProp::Getcontenttype("text/calendar;charset=utf-8")
--- a/crates/caldav/src/calendar_object/service.rs
+++ b/crates/caldav/src/calendar_object/service.rs
@@ -66,6 +66,7 @@ impl<C: CalendarStore> ResourceService for CalendarObjectResourceService<C> {
            .await?;
        Ok(CalendarObjectResource {
            object,
+            object_id: object_id.to_owned(),
            principal: principal.to_owned(),
        })
    }
--- a/crates/caldav/src/error.rs
+++ b/crates/caldav/src/error.rs
@@ -75,7 +75,8 @@ impl Error {
            Self::XmlDecodeError(_) => StatusCode::BAD_REQUEST,
            Self::ChronoParseError(_) | Self::NotImplemented => StatusCode::INTERNAL_SERVER_ERROR,
            Self::NotFound => StatusCode::NOT_FOUND,
-            Self::IcalError(err) => err.status_code(),
+            // TODO: Can also be Bad Request, if it's used input
+            Self::IcalError(_err) => StatusCode::INTERNAL_SERVER_ERROR,
            Self::PreconditionFailed(_err) => StatusCode::PRECONDITION_FAILED,
        }
    }
--- a/crates/carddav/src/address_object/methods.rs
+++ b/crates/carddav/src/address_object/methods.rs
@@ -103,10 +103,10 @@ pub async fn put_object<AS: AddressbookStore>(
        true
    };

-    let object = AddressObject::from_vcf(object_id, body)?;
+    let object = AddressObject::from_vcf(body)?;
    let etag = object.get_etag();
    addr_store
-        .put_object(principal, addressbook_id, object, overwrite)
+        .put_object(&principal, &addressbook_id, &object_id, object, overwrite)
        .await?;

    let mut headers = HeaderMap::new();
--- a/crates/carddav/src/address_object/resource.rs
+++ b/crates/carddav/src/address_object/resource.rs
@@ -8,6 +8,7 @@ use crate::{
    },
 };
 use derive_more::derive::{From, Into};
+use ical::parser::VcardFNProperty;
 use rustical_dav::{
    extensions::CommonPropertiesExtension,
    privileges::UserPrivilegeSet,
@@ -21,11 +22,12 @@ use rustical_store::auth::Principal;
 pub struct AddressObjectResource {
    pub object: AddressObject,
    pub principal: String,
+    pub object_id: String,
 }

 impl ResourceName for AddressObjectResource {
    fn get_name(&self) -> Cow<'_, str> {
-        Cow::from(format!("{}.vcf", self.object.get_id()))
+        Cow::from(format!("{}.vcf", self.object_id))
    }
 }

@@ -69,7 +71,11 @@ impl Resource for AddressObjectResource {
    }

    fn get_displayname(&self) -> Option<&str> {
-        self.object.get_full_name()
+        self.object
+            .get_vcard()
+            .full_name
+            .first()
+            .map(|VcardFNProperty(name, _)| name.as_str())
    }

    fn get_owner(&self) -> Option<&str> {
--- a/crates/carddav/src/address_object/service.rs
+++ b/crates/carddav/src/address_object/service.rs
@@ -57,6 +57,7 @@ impl<AS: AddressbookStore> ResourceService for AddressObjectResourceService<AS>
            .await?;
        Ok(AddressObjectResource {
            object,
+            object_id: object_id.to_owned(),
            principal: principal.to_owned(),
        })
    }
--- a/crates/carddav/src/addressbook/methods/get.rs
+++ b/crates/carddav/src/addressbook/methods/get.rs
@@ -9,7 +9,6 @@ use http::{HeaderValue, Method, StatusCode, header};
 use percent_encoding::{CONTROLS, utf8_percent_encode};
 use rustical_dav::privileges::UserPrivilege;
 use rustical_dav::resource::Resource;
-use rustical_ical::AddressObject;
 use rustical_store::auth::Principal;
 use rustical_store::{AddressbookStore, SubscriptionStore};
 use std::str::FromStr;
@@ -40,7 +39,7 @@ pub async fn route_get<AS: AddressbookStore, S: SubscriptionStore>(
    let objects = addr_store.get_objects(&principal, &addressbook_id).await?;
    let vcf = objects
        .iter()
-        .map(AddressObject::get_vcf)
+        .map(|(_id, obj)| obj.get_vcf())
        .collect::<Vec<_>>()
        .join("\r\n");

--- a/crates/carddav/src/addressbook/methods/import.rs
+++ b/crates/carddav/src/addressbook/methods/import.rs
@@ -1,5 +1,3 @@
-use std::io::BufReader;
-
 use crate::Error;
 use crate::addressbook::AddressbookResourceService;
 use axum::{
@@ -9,7 +7,7 @@ use axum::{
 use http::StatusCode;
 use ical::{
    parser::{Component, ComponentMut, vcard},
-    property::Property,
+    property::ContentLine,
 };
 use rustical_store::{Addressbook, AddressbookStore, SubscriptionStore, auth::Principal};
 use tracing::instrument;
@@ -25,7 +23,7 @@ pub async fn route_import<AS: AddressbookStore, S: SubscriptionStore>(
        return Err(Error::Unauthorized);
    }

-    let parser = vcard::VcardParser::new(BufReader::new(body.as_bytes()));
+    let parser = vcard::VcardParser::from_slice(body.as_bytes());

    let mut objects = vec![];
    for res in parser {
@@ -33,15 +31,16 @@ pub async fn route_import<AS: AddressbookStore, S: SubscriptionStore>(
        let uid = card.get_uid();
        if uid.is_none() {
            let mut card_mut = card.mutable();
-            card_mut.set_property(Property {
+            card_mut.add_content_line(ContentLine {
                name: "UID".to_owned(),
                value: Some(uuid::Uuid::new_v4().to_string()),
-                params: vec![],
+                params: vec![].into(),
            });
-            card = card_mut.verify().unwrap();
+            card = card_mut.build(None).unwrap();
        }
-
-        objects.push(card.try_into().unwrap());
+        // TODO: Make nicer
+        let uid = card.get_uid().unwrap();
+        objects.push((uid.to_owned(), card.into()));
    }

    if objects.is_empty() {
--- a/crates/carddav/src/addressbook/methods/report/addressbook_multiget.rs
+++ b/crates/carddav/src/addressbook/methods/report/addressbook_multiget.rs
@@ -29,7 +29,7 @@ pub async fn get_objects_addressbook_multiget<AS: AddressbookStore>(
    principal: &str,
    addressbook_id: &str,
    store: &AS,
-) -> Result<(Vec<AddressObject>, Vec<String>), Error> {
+) -> Result<(Vec<(String, AddressObject)>, Vec<String>), Error> {
    let mut result = vec![];
    let mut not_found = vec![];

@@ -43,7 +43,7 @@ pub async fn get_objects_addressbook_multiget<AS: AddressbookStore>(
                    .get_object(principal, addressbook_id, object_id, false)
                    .await
                {
-                    Ok(object) => result.push(object),
+                    Ok(object) => result.push((object_id.to_owned(), object)),
                    Err(rustical_store::Error::NotFound) => not_found.push(href.to_string()),
                    Err(err) => return Err(err.into()),
                }
@@ -74,11 +74,12 @@ pub async fn handle_addressbook_multiget<AS: AddressbookStore>(
            .await?;

    let mut responses = Vec::new();
-    for object in objects {
-        let path = format!("{}/{}.vcf", path, object.get_id());
+    for (object_id, object) in objects {
+        let path = format!("{path}/{object_id}.vcf");
        responses.push(
            AddressObjectResource {
                object,
+                object_id,
                principal: principal.to_owned(),
            }
            .propfind(&path, prop, None, puri, user)?,
--- a/crates/carddav/src/addressbook/methods/report/addressbook_query/elements.rs
+++ b/crates/carddav/src/addressbook/methods/report/addressbook_query/elements.rs
@@ -3,7 +3,7 @@ use crate::{
    addressbook::methods::report::addressbook_query::PropFilterElement,
 };
 use derive_more::{From, Into};
-use ical::property::Property;
+use ical::property::ContentLine;
 use rustical_dav::xml::{PropfindType, TextMatchElement};
 use rustical_ical::{AddressObject, UtcDateTime};
 use rustical_xml::{ValueDeserialize, XmlDeserialize, XmlRootTag};
@@ -32,8 +32,8 @@ pub struct ParamFilterElement {

 impl ParamFilterElement {
    #[must_use]
-    pub fn match_property(&self, prop: &Property) -> bool {
-        let Some(param) = prop.get_param(&self.name) else {
+    pub fn match_property(&self, prop: &ContentLine) -> bool {
+        let Some(param) = prop.params.get_param(&self.name) else {
            return self.is_not_defined.is_some();
        };
        if self.is_not_defined.is_some() {
--- a/crates/carddav/src/addressbook/methods/report/addressbook_query/mod.rs
+++ b/crates/carddav/src/addressbook/methods/report/addressbook_query/mod.rs
@@ -15,8 +15,8 @@ pub async fn get_objects_addressbook_query<AS: AddressbookStore>(
    principal: &str,
    addressbook_id: &str,
    store: &AS,
-) -> Result<Vec<AddressObject>, Error> {
+) -> Result<Vec<(String, AddressObject)>, Error> {
    let mut objects = store.get_objects(principal, addressbook_id).await?;
-    objects.retain(|object| addr_query.filter.matches(object));
+    objects.retain(|(_id, object)| addr_query.filter.matches(object));
    Ok(objects)
 }
--- a/crates/carddav/src/addressbook/methods/report/addressbook_query/prop_filter.rs
+++ b/crates/carddav/src/addressbook/methods/report/addressbook_query/prop_filter.rs
@@ -1,5 +1,5 @@
 use super::{Allof, ParamFilterElement};
-use ical::{parser::Component, property::Property};
+use ical::{parser::Component, property::ContentLine};
 use rustical_dav::xml::TextMatchElement;
 use rustical_ical::AddressObject;
 use rustical_xml::XmlDeserialize;
@@ -31,7 +31,7 @@ pub struct PropFilterElement {

 impl PropFilterElement {
    #[must_use]
-    pub fn match_property(&self, property: &Property) -> bool {
+    pub fn match_property(&self, property: &ContentLine) -> bool {
        if self.param_filter.is_empty() && self.text_match.is_empty() {
            // Filter empty
            return true;
@@ -56,22 +56,22 @@ impl PropFilterElement {
    }

    pub fn match_component(&self, comp: &impl PropFilterable) -> bool {
-        let properties = comp.get_named_properties(&self.name);
+        let mut properties = comp.get_named_properties(&self.name);
        if self.is_not_defined.is_some() {
-            return properties.is_empty();
+            return properties.next().is_none();
        }

        // The filter matches when one property instance matches
-        properties.iter().any(|prop| self.match_property(prop))
+        properties.any(|prop| self.match_property(prop))
    }
 }

 pub trait PropFilterable {
-    fn get_named_properties(&self, name: &str) -> Vec<&Property>;
+    fn get_named_properties<'a>(&'a self, name: &'a str) -> impl Iterator<Item = &'a ContentLine>;
 }

 impl PropFilterable for AddressObject {
-    fn get_named_properties(&self, name: &str) -> Vec<&Property> {
+    fn get_named_properties<'a>(&'a self, name: &'a str) -> impl Iterator<Item = &'a ContentLine> {
        self.get_vcard().get_named_properties(name)
    }
 }
--- a/crates/carddav/src/addressbook/methods/report/addressbook_query/tests.rs
+++ b/crates/carddav/src/addressbook/methods/report/addressbook_query/tests.rs
@@ -64,7 +64,7 @@ const FILTER_2: &str = r#"
 #[case(VCF_2, FILTER_2, true)]
 fn test_filter(#[case] vcf: &str, #[case] filter: &str, #[case] matches: bool) {
    dbg!(vcf);
-    let obj = AddressObject::from_vcf(String::new(), vcf.to_owned()).unwrap();
+    let obj = AddressObject::from_vcf(vcf.to_owned()).unwrap();
    let filter = FilterElement::parse_str(filter).unwrap();
    assert_eq!(matches, filter.matches(&obj));
 }
--- a/crates/carddav/src/addressbook/methods/report/mod.rs
+++ b/crates/carddav/src/addressbook/methods/report/mod.rs
@@ -55,7 +55,7 @@ impl ReportRequest {
 }

 fn objects_response(
-    objects: Vec<AddressObject>,
+    objects: Vec<(String, AddressObject)>,
    not_found: Vec<String>,
    path: &str,
    principal: &str,
@@ -64,11 +64,12 @@ fn objects_response(
    prop: &PropfindType<AddressObjectPropWrapperName>,
 ) -> Result<MultistatusElement<AddressObjectPropWrapper, String>, Error> {
    let mut responses = Vec::new();
-    for object in objects {
-        let path = format!("{}/{}.vcf", path, object.get_id());
+    for (object_id, object) in objects {
+        let path = format!("{}/{}.vcf", path, &object_id);
        responses.push(
            AddressObjectResource {
                object,
+                object_id,
                principal: principal.to_owned(),
            }
            .propfind(&path, prop, None, puri, user)?,
--- a/crates/carddav/src/addressbook/methods/report/sync_collection.rs
+++ b/crates/carddav/src/addressbook/methods/report/sync_collection.rs
@@ -32,11 +32,12 @@ pub async fn handle_sync_collection<AS: AddressbookStore>(
        .await?;

    let mut responses = Vec::new();
-    for object in new_objects {
-        let path = format!("{}/{}.vcf", path.trim_end_matches('/'), object.get_id());
+    for (object_id, object) in new_objects {
+        let path = format!("{}/{}.vcf", path.trim_end_matches('/'), object_id);
        responses.push(
            AddressObjectResource {
                object,
+                object_id,
                principal: principal.to_owned(),
            }
            .propfind(&path, &sync_collection.prop, None, puri, user)?,
--- a/crates/carddav/src/addressbook/service.rs
+++ b/crates/carddav/src/addressbook/service.rs
@@ -78,7 +78,8 @@ impl<AS: AddressbookStore, S: SubscriptionStore> ResourceService
            .get_objects(principal, addressbook_id)
            .await?
            .into_iter()
-            .map(|object| AddressObjectResource {
+            .map(|(object_id, object)| AddressObjectResource {
+                object_id,
                object,
                principal: principal.to_owned(),
            })
@@ -91,7 +92,7 @@ impl<AS: AddressbookStore, S: SubscriptionStore> ResourceService
        file: Self::Resource,
    ) -> Result<(), Self::Error> {
        self.addr_store
-            .update_addressbook(principal.to_owned(), addressbook_id.to_owned(), file.into())
+            .update_addressbook(principal, addressbook_id, file.into())
            .await?;
        Ok(())
    }
--- a/crates/carddav/src/error.rs
+++ b/crates/carddav/src/error.rs
@@ -43,7 +43,8 @@ impl Error {
            Self::XmlDecodeError(_) => StatusCode::BAD_REQUEST,
            Self::ChronoParseError(_) | Self::NotImplemented => StatusCode::INTERNAL_SERVER_ERROR,
            Self::NotFound => StatusCode::NOT_FOUND,
-            Self::IcalError(err) => err.status_code(),
+            // TODO: Can also be Bad Request, if it's used input
+            Self::IcalError(_err) => StatusCode::INTERNAL_SERVER_ERROR,
        }
    }
 }
--- a/crates/dav/src/xml/propfind.rs
+++ b/crates/dav/src/xml/propfind.rs
@@ -45,7 +45,7 @@ impl<PN: XmlDeserialize> XmlDeserialize for PropElement<PN> {
                // start of a child element
                Event::Start(start) | Event::Empty(start) => {
                    let empty = matches!(event, Event::Empty(_));
-                    let (ns, name) = reader.resolve_element(start.name());
+                    let (ns, name) = reader.resolver().resolve_element(start.name());
                    let ns = match ns {
                        ResolveResult::Bound(ns) => Some(NamespaceOwned::from(ns)),
                        ResolveResult::Unknown(_ns) => todo!("handle error"),
--- a/crates/dav/src/xml/text_match.rs
+++ b/crates/dav/src/xml/text_match.rs
@@ -1,4 +1,4 @@
-use ical::property::Property;
+use ical::property::ContentLine;
 use rustical_xml::{ValueDeserialize, XmlDeserialize};
 use std::borrow::Cow;

@@ -128,7 +128,7 @@ impl TextMatchElement {
        negate_condition.0 ^ matches
    }
    #[must_use]
-    pub fn match_property(&self, property: &Property) -> bool {
+    pub fn match_property(&self, property: &ContentLine) -> bool {
        let text = property.value.as_deref().unwrap_or("");
        self.match_text(text)
    }
--- a/crates/ical/src/address_object.rs
+++ b/crates/ical/src/address_object.rs
@@ -1,59 +1,45 @@
-use crate::{CalDateTime, LOCAL_DATE};
 use crate::{CalendarObject, Error};
-use chrono::Datelike;
-use ical::generator::Emitter;
-use ical::parser::{
-    Component,
-    vcard::{self, component::VcardContact},
+use chrono::{NaiveDate, Utc};
+use ical::component::{
+    CalendarInnerDataBuilder, IcalAlarmBuilder, IcalCalendarObjectBuilder, IcalEventBuilder,
 };
+use ical::generator::Emitter;
+use ical::parser::vcard::{self, component::VcardContact};
+use ical::parser::{
+    Calscale, ComponentMut, IcalCALSCALEProperty, IcalDTENDProperty, IcalDTSTAMPProperty,
+    IcalDTSTARTProperty, IcalPRODIDProperty, IcalRRULEProperty, IcalSUMMARYProperty,
+    IcalUIDProperty, IcalVERSIONProperty, IcalVersion, VcardANNIVERSARYProperty, VcardBDAYProperty,
+    VcardFNProperty,
+};
+use ical::property::ContentLine;
+use ical::types::{CalDate, PartialDate};
 use sha2::{Digest, Sha256};
-use std::{collections::HashMap, io::BufReader};
+use std::collections::HashMap;
+use std::str::FromStr;

 #[derive(Debug, Clone)]
 pub struct AddressObject {
-    id: String,
    vcf: String,
    vcard: VcardContact,
 }

-impl TryFrom<VcardContact> for AddressObject {
-    type Error = Error;
-
-    fn try_from(vcard: VcardContact) -> Result<Self, Self::Error> {
-        let uid = vcard
-            .get_uid()
-            .ok_or_else(|| Error::InvalidData("missing UID".to_owned()))?
-            .to_owned();
+impl From<VcardContact> for AddressObject {
+    fn from(vcard: VcardContact) -> Self {
        let vcf = vcard.generate();
-        Ok(Self {
-            vcf,
-            vcard,
-            id: uid,
-        })
+        Self { vcf, vcard }
    }
 }

 impl AddressObject {
-    pub fn from_vcf(id: String, vcf: String) -> Result<Self, Error> {
-        let mut parser = vcard::VcardParser::new(BufReader::new(vcf.as_bytes()));
-        let vcard = parser.next().ok_or(Error::MissingContact)??;
-        if parser.next().is_some() {
-            return Err(Error::InvalidData(
-                "multiple vcards, only one allowed".to_owned(),
-            ));
-        }
-        Ok(Self { id, vcf, vcard })
-    }
-
-    #[must_use]
-    pub fn get_id(&self) -> &str {
-        &self.id
+    pub fn from_vcf(vcf: String) -> Result<Self, Error> {
+        let parser = vcard::VcardParser::from_slice(vcf.as_bytes());
+        let vcard = parser.expect_one()?;
+        Ok(Self { vcf, vcard })
    }

    #[must_use]
    pub fn get_etag(&self) -> String {
        let mut hasher = Sha256::new();
-        hasher.update(self.get_id());
        hasher.update(self.get_vcf());
        format!("\"{:x}\"", hasher.finalize())
    }
@@ -63,121 +49,115 @@ impl AddressObject {
        &self.vcf
    }

-    #[must_use]
-    pub fn get_anniversary(&self) -> Option<(CalDateTime, bool)> {
-        let prop = self.vcard.get_property("ANNIVERSARY")?.value.as_deref()?;
-        CalDateTime::parse_vcard(prop).ok()
-    }
+    fn get_significant_date_object(
+        &self,
+        date: &PartialDate,
+        summary_prefix: &str,
+        suffix: &str,
+    ) -> Result<Option<CalendarObject>, Error> {
+        let Some(uid) = self.vcard.get_uid() else {
+            return Ok(None);
+        };
+        let uid = format!("{uid}{suffix}");
+        let year = date.get_year();
+        let year_suffix = year.map(|year| format!(" {year}")).unwrap_or_default();
+        let Some(month) = date.get_month() else {
+            return Ok(None);
+        };
+        let Some(day) = date.get_day() else {
+            return Ok(None);
+        };
+        let Some(dtstart) = NaiveDate::from_ymd_opt(year.unwrap_or(1900), month, day) else {
+            return Ok(None);
+        };
+        let start_date = CalDate(dtstart, ical::types::Timezone::Local);
+        let Some(end_date) = start_date.succ_opt() else {
+            // start_date is MAX_DATE, this should never happen but FAPP also not raise an error
+            return Ok(None);
+        };
+        let Some(VcardFNProperty(fullname, _)) = self.vcard.full_name.first() else {
+            return Ok(None);
+        };
+        let summary = format!("{summary_prefix} {fullname}{year_suffix}");

-    #[must_use]
-    pub fn get_birthday(&self) -> Option<(CalDateTime, bool)> {
-        let prop = self.vcard.get_property("BDAY")?.value.as_deref()?;
-        CalDateTime::parse_vcard(prop).ok()
-    }
+        let event = IcalEventBuilder {
+            properties: vec![
+                IcalDTSTAMPProperty(Utc::now().into(), vec![].into()).into(),
+                IcalDTSTARTProperty(start_date.into(), vec![].into()).into(),
+                IcalDTENDProperty(end_date.into(), vec![].into()).into(),
+                IcalUIDProperty(uid, vec![].into()).into(),
+                IcalRRULEProperty(
+                    rrule::RRule::from_str("FREQ=YEARLY").unwrap(),
+                    vec![].into(),
+                )
+                .into(),
+                IcalSUMMARYProperty(summary.clone(), vec![].into()).into(),
+                ContentLine {
+                    name: "TRANSP".to_owned(),
+                    value: Some("TRANSPARENT".to_owned()),
+                    ..Default::default()
+                },
+            ],
+            alarms: vec![IcalAlarmBuilder {
+                properties: vec![
+                    ContentLine {
+                        name: "TRIGGER".to_owned(),
+                        value: Some("-PT0M".to_owned()),
+                        params: vec![("VALUE".to_owned(), vec!["DURATION".to_owned()])].into(),
+                    },
+                    ContentLine {
+                        name: "ACTION".to_owned(),
+                        value: Some("DISPLAY".to_owned()),
+                        ..Default::default()
+                    },
+                    ContentLine {
+                        name: "DESCRIPTION".to_owned(),
+                        value: Some(summary),
+                        ..Default::default()
+                    },
+                ],
+            }],
+        };

-    #[must_use]
-    pub fn get_full_name(&self) -> Option<&str> {
-        let prop = self.vcard.get_property("FN")?;
-        prop.value.as_deref()
+        Ok(Some(
+            IcalCalendarObjectBuilder {
+                properties: vec![
+                    IcalVERSIONProperty(IcalVersion::Version2_0, vec![].into()).into(),
+                    IcalCALSCALEProperty(Calscale::Gregorian, vec![].into()).into(),
+                    IcalPRODIDProperty(
+                        "-//github.com/lennart-k/rustical birthday calendar//EN".to_owned(),
+                        vec![].into(),
+                    )
+                    .into(),
+                ],
+                inner: Some(CalendarInnerDataBuilder::Event(vec![event])),
+                vtimezones: HashMap::default(),
+            }
+            .build(None)?
+            .into(),
+        ))
    }

    pub fn get_anniversary_object(&self) -> Result<Option<CalendarObject>, Error> {
-        Ok(
-            if let Some((anniversary, contains_year)) = self.get_anniversary() {
-                let Some(fullname) = self.get_full_name() else {
-                    return Ok(None);
-                };
-                let anniversary = anniversary.date();
-                let year = contains_year.then_some(anniversary.year());
-                let anniversary_start = anniversary.format(LOCAL_DATE);
-                let anniversary_end = anniversary
-                    .succ_opt()
-                    .unwrap_or(anniversary)
-                    .format(LOCAL_DATE);
-                let uid = format!("{}-anniversary", self.get_id());
+        let Some(VcardANNIVERSARYProperty(anniversary, _)) = &self.vcard.anniversary else {
+            return Ok(None);
+        };
+        let Some(date) = &anniversary.date else {
+            return Ok(None);
+        };

-                let year_suffix = year.map(|year| format!(" ({year})")).unwrap_or_default();
-                Some(CalendarObject::from_ics(
-                    format!(
-                        r"BEGIN:VCALENDAR
-VERSION:2.0
-CALSCALE:GREGORIAN
-PRODID:-//github.com/lennart-k/rustical birthday calendar//EN
-BEGIN:VEVENT
-DTSTART;VALUE=DATE:{anniversary_start}
-DTEND;VALUE=DATE:{anniversary_end}
-UID:{uid}
-RRULE:FREQ=YEARLY
-SUMMARY:💍 {fullname}{year_suffix}
-TRANSP:TRANSPARENT
-BEGIN:VALARM
-TRIGGER;VALUE=DURATION:-PT0M
-ACTION:DISPLAY
-DESCRIPTION:💍 {fullname}{year_suffix}
-END:VALARM
-END:VEVENT
-END:VCALENDAR",
-                    ),
-                    None,
-                )?)
-            } else {
-                None
-            },
-        )
+        self.get_significant_date_object(date, "💍", "-anniversary")
    }

    pub fn get_birthday_object(&self) -> Result<Option<CalendarObject>, Error> {
-        Ok(
-            if let Some((birthday, contains_year)) = self.get_birthday() {
-                let Some(fullname) = self.get_full_name() else {
-                    return Ok(None);
-                };
-                let birthday = birthday.date();
-                let year = contains_year.then_some(birthday.year());
-                let birthday_start = birthday.format(LOCAL_DATE);
-                let birthday_end = birthday.succ_opt().unwrap_or(birthday).format(LOCAL_DATE);
-                let uid = format!("{}-birthday", self.get_id());
+        let Some(VcardBDAYProperty(bday, _)) = &self.vcard.birthday else {
+            return Ok(None);
+        };
+        let Some(date) = &bday.date else {
+            return Ok(None);
+        };

-                let year_suffix = year.map(|year| format!(" ({year})")).unwrap_or_default();
-                Some(CalendarObject::from_ics(
-                    format!(
-                        r"BEGIN:VCALENDAR
-VERSION:2.0
-CALSCALE:GREGORIAN
-PRODID:-//github.com/lennart-k/rustical birthday calendar//EN
-BEGIN:VEVENT
-DTSTART;VALUE=DATE:{birthday_start}
-DTEND;VALUE=DATE:{birthday_end}
-UID:{uid}
-RRULE:FREQ=YEARLY
-SUMMARY:🎂 {fullname}{year_suffix}
-TRANSP:TRANSPARENT
-BEGIN:VALARM
-TRIGGER;VALUE=DURATION:-PT0M
-ACTION:DISPLAY
-DESCRIPTION:🎂 {fullname}{year_suffix}
-END:VALARM
-END:VEVENT
-END:VCALENDAR",
-                    ),
-                    None,
-                )?)
-            } else {
-                None
-            },
-        )
-    }
-
-    /// Get significant dates associated with this address object
-    pub fn get_significant_dates(&self) -> Result<HashMap<&'static str, CalendarObject>, Error> {
-        let mut out = HashMap::new();
-        if let Some(birthday) = self.get_birthday_object()? {
-            out.insert("birthday", birthday);
-        }
-        if let Some(anniversary) = self.get_anniversary_object()? {
-            out.insert("anniversary", anniversary);
-        }
-        Ok(out)
+        self.get_significant_date_object(date, "🎂", "-birthday")
    }

    #[must_use]
--- a/crates/ical/src/calendar_object.rs
+++ b/crates/ical/src/calendar_object.rs
@@ -0,0 +1,120 @@
+use crate::Error;
+use derive_more::Display;
+use ical::IcalObjectParser;
+use ical::component::CalendarInnerData;
+use ical::component::IcalCalendarObject;
+use ical::generator::Emitter;
+use serde::Deserialize;
+use serde::Serialize;
+use sha2::{Digest, Sha256};
+
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq, Display)]
+// specified in https://datatracker.ietf.org/doc/html/rfc5545#section-3.6
+pub enum CalendarObjectType {
+    #[serde(rename = "VEVENT")]
+    Event = 0,
+    #[serde(rename = "VTODO")]
+    Todo = 1,
+    #[serde(rename = "VJOURNAL")]
+    Journal = 2,
+}
+
+impl From<&IcalCalendarObject> for CalendarObjectType {
+    fn from(value: &IcalCalendarObject) -> Self {
+        match value.get_inner() {
+            CalendarInnerData::Event(_, _) => Self::Event,
+            CalendarInnerData::Todo(_, _) => Self::Todo,
+            CalendarInnerData::Journal(_, _) => Self::Journal,
+        }
+    }
+}
+
+impl CalendarObjectType {
+    #[must_use]
+    pub const fn as_str(&self) -> &'static str {
+        match self {
+            Self::Event => "VEVENT",
+            Self::Todo => "VTODO",
+            Self::Journal => "VJOURNAL",
+        }
+    }
+}
+
+impl rustical_xml::ValueSerialize for CalendarObjectType {
+    fn serialize(&self) -> String {
+        self.as_str().to_owned()
+    }
+}
+
+impl rustical_xml::ValueDeserialize for CalendarObjectType {
+    fn deserialize(val: &str) -> std::result::Result<Self, rustical_xml::XmlError> {
+        match <String as rustical_xml::ValueDeserialize>::deserialize(val)?.as_str() {
+            "VEVENT" => Ok(Self::Event),
+            "VTODO" => Ok(Self::Todo),
+            "VJOURNAL" => Ok(Self::Journal),
+            _ => Err(rustical_xml::XmlError::InvalidValue(
+                rustical_xml::ParseValueError::Other(format!(
+                    "Invalid value '{val}', must be VEVENT, VTODO, or VJOURNAL"
+                )),
+            )),
+        }
+    }
+}
+
+#[derive(Debug, Clone)]
+pub struct CalendarObject {
+    inner: IcalCalendarObject,
+    ics: String,
+}
+
+impl CalendarObject {
+    pub fn from_ics(ics: String) -> Result<Self, Error> {
+        let parser = IcalObjectParser::from_slice(ics.as_bytes());
+        let inner = parser.expect_one()?;
+
+        Ok(Self { inner, ics })
+    }
+
+    #[must_use]
+    pub const fn get_inner(&self) -> &IcalCalendarObject {
+        &self.inner
+    }
+
+    #[must_use]
+    pub fn get_uid(&self) -> &str {
+        self.inner.get_uid()
+    }
+
+    #[must_use]
+    pub fn get_etag(&self) -> String {
+        let mut hasher = Sha256::new();
+        hasher.update(self.get_uid());
+        hasher.update(self.get_ics());
+        format!("\"{:x}\"", hasher.finalize())
+    }
+
+    #[must_use]
+    pub fn get_ics(&self) -> &str {
+        &self.ics
+    }
+
+    #[must_use]
+    pub fn get_object_type(&self) -> CalendarObjectType {
+        (&self.inner).into()
+    }
+}
+
+impl From<CalendarObject> for IcalCalendarObject {
+    fn from(value: CalendarObject) -> Self {
+        value.inner
+    }
+}
+
+impl From<IcalCalendarObject> for CalendarObject {
+    fn from(value: IcalCalendarObject) -> Self {
+        Self {
+            ics: value.generate(),
+            inner: value,
+        }
+    }
+}
--- a/crates/ical/src/error.rs
+++ b/crates/ical/src/error.rs
@@ -1,42 +0,0 @@
-use axum::{http::StatusCode, response::IntoResponse};
-
-use crate::CalDateTimeError;
-
-#[derive(Debug, thiserror::Error, PartialEq, Eq)]
-pub enum Error {
-    #[error("Invalid ics/vcf input: {0}")]
-    InvalidData(String),
-
-    #[error("Missing calendar")]
-    MissingCalendar,
-
-    #[error("Missing contact")]
-    MissingContact,
-
-    #[error(transparent)]
-    ParserError(#[from] ical::parser::ParserError),
-
-    #[error(transparent)]
-    CalDateTimeError(#[from] CalDateTimeError),
-
-    #[error(transparent)]
-    RRuleError(#[from] rrule::RRuleError),
-}
-
-impl Error {
-    #[must_use]
-    pub const fn status_code(&self) -> StatusCode {
-        match self {
-            Self::InvalidData(_) | Self::MissingCalendar | Self::MissingContact => {
-                StatusCode::BAD_REQUEST
-            }
-            _ => StatusCode::INTERNAL_SERVER_ERROR,
-        }
-    }
-}
-
-impl IntoResponse for Error {
-    fn into_response(self) -> axum::response::Response {
-        (self.status_code(), self.to_string()).into_response()
-    }
-}
--- a/crates/ical/src/icalendar/event.rs
+++ b/crates/ical/src/icalendar/event.rs
@@ -1,385 +0,0 @@
-use crate::CalDateTime;
-use crate::Error;
-use chrono::{DateTime, Duration, Utc};
-use ical::parser::ComponentMut;
-use ical::{generator::IcalEvent, parser::Component, property::Property};
-use rrule::{RRule, RRuleSet};
-use std::{collections::HashMap, str::FromStr};
-
-#[derive(Debug, Clone, Default)]
-pub struct EventObject {
-    pub event: IcalEvent,
-    // If a timezone is None that means that in the VCALENDAR object there's a timezone defined
-    // with that name but its not from the Olson DB
-    pub timezones: HashMap<String, Option<chrono_tz::Tz>>,
-}
-
-impl EventObject {
-    #[must_use]
-    pub fn get_uid(&self) -> &str {
-        self.event.get_uid()
-    }
-
-    pub fn get_dtstart(&self) -> Result<Option<CalDateTime>, Error> {
-        if let Some(dtstart) = self.event.get_dtstart() {
-            Ok(Some(CalDateTime::parse_prop(dtstart, &self.timezones)?))
-        } else {
-            Ok(None)
-        }
-    }
-
-    pub fn get_dtend(&self) -> Result<Option<CalDateTime>, Error> {
-        if let Some(dtend) = self.event.get_dtend() {
-            Ok(Some(CalDateTime::parse_prop(dtend, &self.timezones)?))
-        } else {
-            Ok(None)
-        }
-    }
-
-    pub fn get_last_occurence(&self) -> Result<Option<CalDateTime>, Error> {
-        if self.event.get_rrule().is_some() {
-            // TODO: understand recurrence rules
-            return Ok(None);
-        }
-
-        if let Some(dtend) = self.get_dtend()? {
-            return Ok(Some(dtend));
-        }
-
-        let duration = self.event.get_duration().unwrap_or(Duration::days(1));
-
-        let first_occurence = self.get_dtstart()?;
-        Ok(first_occurence.map(|first_occurence| first_occurence + duration))
-    }
-
-    pub fn recurrence_ruleset(&self) -> Result<Option<rrule::RRuleSet>, Error> {
-        let dtstart: DateTime<rrule::Tz> = if let Some(dtstart) = self.get_dtstart()? {
-            if let Some(dtend) = self.get_dtend()? {
-                // DTSTART and DTEND MUST have the same timezone
-                assert_eq!(dtstart.timezone(), dtend.timezone());
-            }
-
-            dtstart
-                .as_datetime()
-                .with_timezone(&dtstart.timezone().into())
-        } else {
-            return Ok(None);
-        };
-
-        let mut rrule_set = RRuleSet::new(dtstart);
-        // TODO: Make nice, this is just a bodge to get correct behaviour
-        let mut empty = true;
-
-        for prop in &self.event.properties {
-            rrule_set = match prop.name.as_str() {
-                "RRULE" => {
-                    let rrule = RRule::from_str(prop.value.as_ref().ok_or_else(|| {
-                        Error::RRuleError(rrule::ParseError::MissingDateGenerationRules.into())
-                    })?)?
-                    .validate(dtstart)
-                    .unwrap();
-                    empty = false;
-                    rrule_set.rrule(rrule)
-                }
-                "RDATE" => {
-                    let rdate = CalDateTime::parse_prop(prop, &self.timezones)?.into();
-                    empty = false;
-                    rrule_set.rdate(rdate)
-                }
-                "EXDATE" => {
-                    let exdate = CalDateTime::parse_prop(prop, &self.timezones)?.into();
-                    empty = false;
-                    rrule_set.exdate(exdate)
-                }
-                _ => rrule_set,
-            }
-        }
-        if empty {
-            return Ok(None);
-        }
-
-        Ok(Some(rrule_set))
-    }
-
-    // The returned calendar components MUST NOT use recurrence
-    // properties (i.e., EXDATE, EXRULE, RDATE, and RRULE) and MUST NOT
-    // have reference to or include VTIMEZONE components.  Date and local
-    // time with reference to time zone information MUST be converted
-    // into date with UTC time.
-    pub fn expand_recurrence(
-        &self,
-        start: Option<DateTime<Utc>>,
-        end: Option<DateTime<Utc>>,
-        overrides: &[Self],
-    ) -> Result<Vec<IcalEvent>, Error> {
-        let mut events = vec![];
-        let dtstart = self.get_dtstart()?.expect("We must have a DTSTART here");
-        let computed_duration = self
-            .get_dtend()?
-            .map(|dtend| dtend.as_datetime().into_owned() - dtstart.as_datetime().as_ref());
-
-        let Some(mut rrule_set) = self.recurrence_ruleset()? else {
-            // If ruleset empty simply return main event AND all overrides
-            return Ok(std::iter::once(self.clone())
-                .chain(overrides.iter().cloned())
-                .map(|event| event.event)
-                .collect());
-        };
-        if let Some(start) = start {
-            rrule_set = rrule_set.after(start.with_timezone(&rrule::Tz::UTC));
-        }
-        if let Some(end) = end {
-            rrule_set = rrule_set.before(end.with_timezone(&rrule::Tz::UTC));
-        }
-        let dates = rrule_set.all(2048).dates;
-        'recurrence: for date in dates {
-            let date = CalDateTime::from(date.to_utc());
-            let recurrence_id = if dtstart.is_date() {
-                date.format_date()
-            } else {
-                date.format()
-            };
-
-            for ev_override in overrides {
-                if let Some(override_id) = &ev_override
-                    .event
-                    .get_recurrence_id()
-                    .as_ref()
-                    .expect("overrides have a recurrence id")
-                    .value
-                    && override_id == &recurrence_id
-                {
-                    // We have an override for this occurence
-                    //
-                    events.push(ev_override.event.clone());
-                    continue 'recurrence;
-                }
-            }
-
-            let mut ev = self.event.clone().mutable();
-            ev.remove_property("RRULE");
-            ev.remove_property("RDATE");
-            ev.remove_property("EXDATE");
-            ev.remove_property("EXRULE");
-            let dtstart_prop = ev
-                .get_property("DTSTART")
-                .expect("We must have a DTSTART here")
-                .clone();
-            ev.remove_property("DTSTART");
-            ev.remove_property("DTEND");
-
-            ev.set_property(Property {
-                name: "RECURRENCE-ID".to_string(),
-                value: Some(recurrence_id.clone()),
-                params: vec![],
-            });
-            ev.set_property(Property {
-                name: "DTSTART".to_string(),
-                value: Some(recurrence_id),
-                params: vec![],
-            });
-            if let Some(duration) = computed_duration {
-                let dtend = date + duration;
-                let dtendformat = if dtstart.is_date() {
-                    dtend.format_date()
-                } else {
-                    dtend.format()
-                };
-                ev.set_property(Property {
-                    name: "DTEND".to_string(),
-                    value: Some(dtendformat),
-                    params: dtstart_prop.params,
-                });
-            }
-            events.push(ev.verify()?);
-        }
-        Ok(events)
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use crate::{CalDateTime, CalendarObject};
-    use chrono::{DateTime, Utc};
-    use ical::generator::Emitter;
-    use rstest::rstest;
-
-    const ICS_1: &str = r"BEGIN:VCALENDAR
-CALSCALE:GREGORIAN
-VERSION:2.0
-BEGIN:VTIMEZONE
-TZID:Europe/Berlin
-X-LIC-LOCATION:Europe/Berlin
-END:VTIMEZONE
-
-BEGIN:VEVENT
-UID:318ec6503573d9576818daf93dac07317058d95c
-DTSTAMP:20250502T132758Z
-DTSTART;TZID=Europe/Berlin:20250506T090000
-DTEND;TZID=Europe/Berlin:20250506T092500
-SEQUENCE:2
-SUMMARY:weekly stuff
-TRANSP:OPAQUE
-RRULE:FREQ=WEEKLY;COUNT=4;INTERVAL=2;BYDAY=TU,TH,SU
-END:VEVENT
-END:VCALENDAR";
-
-    const EXPANDED_1: &[&str] = &[
-        "BEGIN:VEVENT\r
-UID:318ec6503573d9576818daf93dac07317058d95c\r
-DTSTAMP:20250502T132758Z\r
-SEQUENCE:2\r
-SUMMARY:weekly stuff\r
-TRANSP:OPAQUE\r
-RECURRENCE-ID:20250506T070000Z\r
-DTSTART:20250506T070000Z\r
-DTEND:20250506T072500Z\r
-END:VEVENT\r\n",
-        "BEGIN:VEVENT\r
-UID:318ec6503573d9576818daf93dac07317058d95c\r
-DTSTAMP:20250502T132758Z\r
-SEQUENCE:2\r
-SUMMARY:weekly stuff\r
-TRANSP:OPAQUE\r
-RECURRENCE-ID:20250508T070000Z\r
-DTSTART:20250508T070000Z\r
-DTEND:20250508T072500Z\r
-END:VEVENT\r\n",
-        "BEGIN:VEVENT\r
-UID:318ec6503573d9576818daf93dac07317058d95c\r
-DTSTAMP:20250502T132758Z\r
-SEQUENCE:2\r
-SUMMARY:weekly stuff\r
-TRANSP:OPAQUE\r
-RECURRENCE-ID:20250511T090000\r
-DTSTART:20250511T070000Z\r
-DTEND:20250511T072500Z\r
-END:VEVENT\r\n",
-        "BEGIN:VEVENT\r
-UID:318ec6503573d9576818daf93dac07317058d95c\r
-DTSTAMP:20250502T132758Z\r
-SEQUENCE:2\r
-SUMMARY:weekly stuff\r
-TRANSP:OPAQUE\r
-RECURRENCE-ID:20250520T090000\r
-DTSTA:20250520T070000Z\r
-DTEND:20250520T072500Z\r
-END:VEVENT\r\n",
-    ];
-
-    const ICS_2: &str = r"BEGIN:VCALENDAR
-CALSCALE:GREGORIAN
-VERSION:2.0
-BEGIN:VTIMEZONE
-TZID:US/Eastern
-END:VTIMEZONE
-BEGIN:VEVENT
-DTSTAMP:20060206T001121Z
-DTSTART;TZID=US/Eastern:20060102T120000
-DURATION:PT1H
-RRULE:FREQ=DAILY;COUNT=5
-SUMMARY:Event #2
-UID:abcd2
-END:VEVENT
-BEGIN:VEVENT
-DTSTAMP:20060206T001121Z
-DTSTART;TZID=US/Eastern:20060104T140000
-DURATION:PT1H
-RECURRENCE-ID;TZID=US/Eastern:20060104T120000
-SUMMARY:Event #2 bis
-UID:abcd2
-END:VEVENT
-END:VCALENDAR
-";
-
-    const EXPANDED_2: &[&str] = &[
-        "BEGIN:VEVENT\r
-DTSTAMP:20060206T001121Z\r
-DURATION:PT1H\r
-SUMMARY:Event #2\r
-UID:abcd2\r
-RECURRENCE-ID:20060103T170000\r
-DTSTART:20060103T170000\r
-END:VEVENT\r\n",
-        "BEGIN:VEVENT\r
-DTSTAMP:20060206T001121Z\r
-DURATION:PT1H\r
-SUMMARY:Event #2 bis\r
-UID:abcd2\r
-RECURRENCE-ID:20060104T170000\r
-DTSTART:20060104T190000\r
-END:VEVENT\r
-END:VCALENDAR\r\n",
-    ];
-
-    const ICS_3: &str = r"BEGIN:VCALENDAR
-CALSCALE:GREGORIAN
-VERSION:2.0
-BEGIN:VTIMEZONE
-TZID:US/Eastern
-END:VTIMEZONE
-BEGIN:VEVENT
-ATTENDEE;PARTSTAT=ACCEPTED;ROLE=CHAIR:mailto:cyrus@example.com
-ATTENDEE;PARTSTAT=NEEDS-ACTION:mailto:lisa@example.com
-DTSTAMP:20060206T001220Z
-DTSTART;TZID=US/Eastern:20060104T100000
-DURATION:PT1H
-LAST-MODIFIED:20060206T001330Z
-ORGANIZER:mailto:cyrus@example.com
-SEQUENCE:1
-STATUS:TENTATIVE
-SUMMARY:Event #3
-UID:abcd3
-END:VEVENT
-END:VCALENDAR
-";
-
-    const EXPANDED_3: &[&str] = &["BEGIN:VEVENT
-ATTENDEE;PARTSTAT=ACCEPTED;ROLE=CHAIR:mailto:cyrus@example.com
-ATTENDEE;PARTSTAT=NEEDS-ACTION:mailto:lisa@example.com
-DTSTAMP:20060206T001220Z
-DTSTART:20060104T150000
-DURATION:PT1H
-LAST-MODIFIED:20060206T001330Z
-ORGANIZER:mailto:cyrus@example.com
-SEQUENCE:1
-STATUS:TENTATIVE
-SUMMARY:Event #3
-UID:abcd3
-X-ABC-GUID:E1CX5Dr-0007ym-Hz@example.com
-END:VEVENT"];
-
-    #[rstest]
-    #[case(ICS_1, EXPANDED_1, None, None)]
-    // from https://datatracker.ietf.org/doc/html/rfc4791#section-7.8.3
-    #[case(ICS_2, EXPANDED_2,
-        Some(CalDateTime::parse("20060103T000000Z", Some(chrono_tz::US::Eastern)).unwrap().utc()),
-        Some(CalDateTime::parse("20060105T000000Z", Some(chrono_tz::US::Eastern)).unwrap().utc())
-    )]
-    #[case(ICS_3, EXPANDED_3,
-        Some(CalDateTime::parse("20060103T000000Z", Some(chrono_tz::US::Eastern)).unwrap().utc()),
-        Some(CalDateTime::parse("20060105T000000Z", Some(chrono_tz::US::Eastern)).unwrap().utc())
-    )]
-    fn test_expand_recurrence(
-        #[case] ics: &'static str,
-        #[case] expanded: &[&str],
-        #[case] from: Option<DateTime<Utc>>,
-        #[case] to: Option<DateTime<Utc>>,
-    ) {
-        let event = CalendarObject::from_ics(ics.to_string(), None).unwrap();
-        let crate::CalendarObjectComponent::Event(event, overrides) = event.get_data() else {
-            panic!()
-        };
-
-        let events: Vec<String> = event
-            .expand_recurrence(from, to, overrides)
-            .unwrap()
-            .into_iter()
-            .map(|event| Emitter::generate(&event))
-            .collect();
-        assert_eq!(events.len(), expanded.len());
-        for (output, reference) in events.iter().zip(expanded) {
-            similar_asserts::assert_eq!(output, reference);
-        }
-    }
-}
--- a/crates/ical/src/icalendar/mod.rs
+++ b/crates/ical/src/icalendar/mod.rs
@@ -1,5 +0,0 @@
-mod event;
-mod object;
-
-pub use event::*;
-pub use object::*;
--- a/crates/ical/src/icalendar/object.rs
+++ b/crates/ical/src/icalendar/object.rs
@@ -1,366 +0,0 @@
-use super::EventObject;
-use crate::CalDateTime;
-use crate::Error;
-use chrono::DateTime;
-use chrono::Utc;
-use derive_more::Display;
-use ical::generator::{Emitter, IcalCalendar};
-use ical::parser::ical::component::IcalJournal;
-use ical::parser::ical::component::IcalTimeZone;
-use ical::parser::ical::component::IcalTodo;
-use ical::property::Property;
-use serde::Deserialize;
-use serde::Serialize;
-use sha2::{Digest, Sha256};
-use std::{collections::HashMap, io::BufReader};
-
-#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq, Display)]
-// specified in https://datatracker.ietf.org/doc/html/rfc5545#section-3.6
-pub enum CalendarObjectType {
-    #[serde(rename = "VEVENT")]
-    Event = 0,
-    #[serde(rename = "VTODO")]
-    Todo = 1,
-    #[serde(rename = "VJOURNAL")]
-    Journal = 2,
-}
-
-impl CalendarObjectType {
-    #[must_use]
-    pub const fn as_str(&self) -> &'static str {
-        match self {
-            Self::Event => "VEVENT",
-            Self::Todo => "VTODO",
-            Self::Journal => "VJOURNAL",
-        }
-    }
-}
-
-impl rustical_xml::ValueSerialize for CalendarObjectType {
-    fn serialize(&self) -> String {
-        self.as_str().to_owned()
-    }
-}
-
-impl rustical_xml::ValueDeserialize for CalendarObjectType {
-    fn deserialize(val: &str) -> std::result::Result<Self, rustical_xml::XmlError> {
-        match <String as rustical_xml::ValueDeserialize>::deserialize(val)?.as_str() {
-            "VEVENT" => Ok(Self::Event),
-            "VTODO" => Ok(Self::Todo),
-            "VJOURNAL" => Ok(Self::Journal),
-            _ => Err(rustical_xml::XmlError::InvalidValue(
-                rustical_xml::ParseValueError::Other(format!(
-                    "Invalid value '{val}', must be VEVENT, VTODO, or VJOURNAL"
-                )),
-            )),
-        }
-    }
-}
-
-#[derive(Debug, Clone)]
-pub enum CalendarObjectComponent {
-    Event(EventObject, Vec<EventObject>),
-    Todo(IcalTodo, Vec<IcalTodo>),
-    Journal(IcalJournal, Vec<IcalJournal>),
-}
-
-impl CalendarObjectComponent {
-    #[must_use]
-    pub fn get_uid(&self) -> &str {
-        match &self {
-            // We've made sure before that the first component exists and all components share the
-            // same UID
-            Self::Todo(todo, _) => todo.get_uid(),
-            Self::Event(event, _) => event.event.get_uid(),
-            Self::Journal(journal, _) => journal.get_uid(),
-        }
-    }
-}
-
-impl From<&CalendarObjectComponent> for CalendarObjectType {
-    fn from(value: &CalendarObjectComponent) -> Self {
-        match value {
-            CalendarObjectComponent::Event(..) => Self::Event,
-            CalendarObjectComponent::Todo(..) => Self::Todo,
-            CalendarObjectComponent::Journal(..) => Self::Journal,
-        }
-    }
-}
-
-impl CalendarObjectComponent {
-    fn from_events(mut events: Vec<EventObject>) -> Result<Self, Error> {
-        // A calendar object does not necessarily have to contain a main VOBJECT
-        if events.is_empty() {
-            return Err(Error::MissingCalendar);
-        }
-        #[allow(clippy::option_if_let_else)]
-        let main_event = if let Some(main) = events
-            .extract_if(.., |event| event.event.get_recurrence_id().is_none())
-            .next()
-        {
-            main
-        } else {
-            events.remove(0)
-        };
-        let overrides = events;
-        for event in &overrides {
-            if event.get_uid() != main_event.get_uid() {
-                return Err(Error::InvalidData(
-                    "Calendar object contains multiple UIDs".to_owned(),
-                ));
-            }
-            if event.event.get_recurrence_id().is_none() {
-                return Err(Error::InvalidData(
-                    "Calendar object can only contain one main component".to_owned(),
-                ));
-            }
-        }
-        Ok(Self::Event(main_event, overrides))
-    }
-    fn from_todos(mut todos: Vec<IcalTodo>) -> Result<Self, Error> {
-        // A calendar object does not necessarily have to contain a main VOBJECT
-        if todos.is_empty() {
-            return Err(Error::MissingCalendar);
-        }
-        #[allow(clippy::option_if_let_else)]
-        let main_todo = if let Some(main) = todos
-            .extract_if(.., |todo| todo.get_recurrence_id().is_none())
-            .next()
-        {
-            main
-        } else {
-            todos.remove(0)
-        };
-        let overrides = todos;
-        for todo in &overrides {
-            if todo.get_uid() != main_todo.get_uid() {
-                return Err(Error::InvalidData(
-                    "Calendar object contains multiple UIDs".to_owned(),
-                ));
-            }
-            if todo.get_recurrence_id().is_none() {
-                return Err(Error::InvalidData(
-                    "Calendar object can only contain one main component".to_owned(),
-                ));
-            }
-        }
-        Ok(Self::Todo(main_todo, overrides))
-    }
-    fn from_journals(mut journals: Vec<IcalJournal>) -> Result<Self, Error> {
-        // A calendar object does not necessarily have to contain a main VOBJECT
-        if journals.is_empty() {
-            return Err(Error::MissingCalendar);
-        }
-        #[allow(clippy::option_if_let_else)]
-        let main_journal = if let Some(main) = journals
-            .extract_if(.., |journal| journal.get_recurrence_id().is_none())
-            .next()
-        {
-            main
-        } else {
-            journals.remove(0)
-        };
-        let overrides = journals;
-        for journal in &overrides {
-            if journal.get_uid() != main_journal.get_uid() {
-                return Err(Error::InvalidData(
-                    "Calendar object contains multiple UIDs".to_owned(),
-                ));
-            }
-            if journal.get_recurrence_id().is_none() {
-                return Err(Error::InvalidData(
-                    "Calendar object can only contain one main component".to_owned(),
-                ));
-            }
-        }
-        Ok(Self::Journal(main_journal, overrides))
-    }
-
-    pub fn get_first_occurence(&self) -> Result<Option<CalDateTime>, Error> {
-        match &self {
-            Self::Event(main_event, overrides) => Ok(overrides
-                .iter()
-                .chain(std::iter::once(main_event))
-                .map(super::event::EventObject::get_dtstart)
-                .collect::<Result<Vec<_>, _>>()?
-                .into_iter()
-                .flatten()
-                .min()),
-            _ => Ok(None),
-        }
-    }
-
-    pub fn get_last_occurence(&self) -> Result<Option<CalDateTime>, Error> {
-        match &self {
-            Self::Event(main_event, overrides) => Ok(overrides
-                .iter()
-                .chain(std::iter::once(main_event))
-                .map(super::event::EventObject::get_last_occurence)
-                .collect::<Result<Vec<_>, _>>()?
-                .into_iter()
-                .flatten()
-                .max()),
-            _ => Ok(None),
-        }
-    }
-}
-
-#[derive(Debug, Clone)]
-pub struct CalendarObject {
-    data: CalendarObjectComponent,
-    properties: Vec<Property>,
-    id: String,
-    ics: String,
-    vtimezones: HashMap<String, IcalTimeZone>,
-}
-
-impl CalendarObject {
-    pub fn from_ics(ics: String, id: Option<String>) -> Result<Self, Error> {
-        let mut parser = ical::IcalParser::new(BufReader::new(ics.as_bytes()));
-        let cal = parser.next().ok_or(Error::MissingCalendar)??;
-        if parser.next().is_some() {
-            return Err(Error::InvalidData(
-                "multiple calendars, only one allowed".to_owned(),
-            ));
-        }
-
-        if u8::from(!cal.events.is_empty())
-            + u8::from(!cal.todos.is_empty())
-            + u8::from(!cal.journals.is_empty())
-            + u8::from(!cal.free_busys.is_empty())
-            != 1
-        {
-            // https://datatracker.ietf.org/doc/html/rfc4791#section-4.1
-            return Err(Error::InvalidData(
-                "iCalendar object must have exactly one component type".to_owned(),
-            ));
-        }
-
-        let timezones: HashMap<String, Option<chrono_tz::Tz>> = cal
-            .timezones
-            .clone()
-            .into_iter()
-            .map(|timezone| (timezone.get_tzid().to_owned(), (&timezone).try_into().ok()))
-            .collect();
-
-        let vtimezones = cal
-            .timezones
-            .clone()
-            .into_iter()
-            .map(|timezone| (timezone.get_tzid().to_owned(), timezone))
-            .collect();
-
-        let data = if !cal.events.is_empty() {
-            CalendarObjectComponent::from_events(
-                cal.events
-                    .into_iter()
-                    .map(|event| EventObject {
-                        event,
-                        timezones: timezones.clone(),
-                    })
-                    .collect(),
-            )?
-        } else if !cal.todos.is_empty() {
-            CalendarObjectComponent::from_todos(cal.todos)?
-        } else if !cal.journals.is_empty() {
-            CalendarObjectComponent::from_journals(cal.journals)?
-        } else {
-            return Err(Error::InvalidData(
-                "iCalendar component type not supported :(".to_owned(),
-            ));
-        };
-
-        Ok(Self {
-            id: id.unwrap_or_else(|| data.get_uid().to_owned()),
-            data,
-            properties: cal.properties,
-            ics,
-            vtimezones,
-        })
-    }
-
-    #[must_use]
-    pub const fn get_vtimezones(&self) -> &HashMap<String, IcalTimeZone> {
-        &self.vtimezones
-    }
-
-    #[must_use]
-    pub const fn get_data(&self) -> &CalendarObjectComponent {
-        &self.data
-    }
-
-    #[must_use]
-    pub fn get_uid(&self) -> &str {
-        self.data.get_uid()
-    }
-
-    #[must_use]
-    pub fn get_id(&self) -> &str {
-        &self.id
-    }
-
-    #[must_use]
-    pub fn get_etag(&self) -> String {
-        let mut hasher = Sha256::new();
-        hasher.update(self.get_uid());
-        hasher.update(self.get_ics());
-        format!("\"{:x}\"", hasher.finalize())
-    }
-
-    #[must_use]
-    pub fn get_ics(&self) -> &str {
-        &self.ics
-    }
-
-    #[must_use]
-    pub fn get_component_name(&self) -> &str {
-        self.get_object_type().as_str()
-    }
-
-    #[must_use]
-    pub fn get_object_type(&self) -> CalendarObjectType {
-        (&self.data).into()
-    }
-
-    pub fn get_first_occurence(&self) -> Result<Option<CalDateTime>, Error> {
-        self.data.get_first_occurence()
-    }
-
-    pub fn get_last_occurence(&self) -> Result<Option<CalDateTime>, Error> {
-        self.data.get_last_occurence()
-    }
-
-    pub fn expand_recurrence(
-        &self,
-        start: Option<DateTime<Utc>>,
-        end: Option<DateTime<Utc>>,
-    ) -> Result<String, Error> {
-        // Only events can be expanded
-        match &self.data {
-            CalendarObjectComponent::Event(main_event, overrides) => {
-                let cal = IcalCalendar {
-                    properties: self.properties.clone(),
-                    events: main_event.expand_recurrence(start, end, overrides)?,
-                    ..Default::default()
-                };
-                Ok(cal.generate())
-            }
-            _ => Ok(self.get_ics().to_string()),
-        }
-    }
-
-    #[must_use]
-    pub fn get_property(&self, name: &str) -> Option<&Property> {
-        self.properties
-            .iter()
-            .find(|property| property.name == name)
-    }
-
-    #[must_use]
-    pub fn get_named_properties(&self, name: &str) -> Vec<&Property> {
-        self.properties
-            .iter()
-            .filter(|property| property.name == name)
-            .collect()
-    }
-}
--- a/crates/ical/src/lib.rs
+++ b/crates/ical/src/lib.rs
@@ -1,15 +1,13 @@
 #![warn(clippy::all, clippy::pedantic, clippy::nursery)]
 #![allow(clippy::missing_errors_doc, clippy::missing_panics_doc)]
 mod timestamp;
-mod timezone;
+use ical::parser::ParserError;
 pub use timestamp::*;
-pub use timezone::*;

-mod icalendar;
-pub use icalendar::*;
-
-mod error;
-pub use error::Error;
+mod calendar_object;
+pub use calendar_object::*;

 mod address_object;
 pub use address_object::AddressObject;
+
+pub type Error = ParserError;
--- a/crates/ical/src/timestamp.rs
+++ b/crates/ical/src/timestamp.rs
@@ -1,35 +1,8 @@
-use super::timezone::ICalTimezone;
-use chrono::{DateTime, Datelike, Duration, Local, NaiveDate, NaiveDateTime, NaiveTime, Utc};
-use chrono_tz::Tz;
+use chrono::{DateTime, NaiveDateTime, Utc};
 use derive_more::derive::Deref;
-use ical::property::Property;
 use rustical_xml::{ValueDeserialize, ValueSerialize};
-use std::{borrow::Cow, collections::HashMap, ops::Add, sync::LazyLock};

-static RE_VCARD_DATE_MM_DD: LazyLock<regex::Regex> =
-    LazyLock::new(|| regex::Regex::new(r"^--(?<m>\d{2})(?<d>\d{2})$").unwrap());
-
-const LOCAL_DATE_TIME: &str = "%Y%m%dT%H%M%S";
 const UTC_DATE_TIME: &str = "%Y%m%dT%H%M%SZ";
-pub const LOCAL_DATE: &str = "%Y%m%d";
-
-#[derive(Debug, thiserror::Error, PartialEq, Eq)]
-pub enum CalDateTimeError {
-    #[error(
-        "Timezone has X-LIC-LOCATION property to specify a timezone from the Olson database, however its value {0} is invalid"
-    )]
-    InvalidOlson(String),
-    #[error("TZID {0} does not refer to a valid timezone")]
-    InvalidTZID(String),
-    #[error("Timestamp doesn't exist because of gap in local time")]
-    LocalTimeGap,
-    #[error("Datetime string {0} has an invalid format")]
-    InvalidDatetimeFormat(String),
-    #[error("Could not parse datetime {0}")]
-    ParseError(String),
-    #[error("Duration string {0} has an invalid format")]
-    InvalidDurationFormat(String),
-}

 #[derive(Debug, Clone, Deref, PartialEq, Eq, Hash)]
 pub struct UtcDateTime(pub DateTime<Utc>);
@@ -54,375 +27,3 @@ impl ValueSerialize for UtcDateTime {
        format!("{}", self.0.format(UTC_DATE_TIME))
    }
 }
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum CalDateTime {
-    // Form 1, example: 19980118T230000 -> Local
-    // Form 2, example: 19980119T070000Z -> UTC
-    // Form 3, example: TZID=America/New_York:19980119T020000 -> Olson
-    // https://en.wikipedia.org/wiki/Tz_database
-    DateTime(DateTime<ICalTimezone>),
-    Date(NaiveDate, ICalTimezone),
-}
-
-impl From<CalDateTime> for DateTime<rrule::Tz> {
-    fn from(value: CalDateTime) -> Self {
-        value
-            .as_datetime()
-            .into_owned()
-            .with_timezone(&value.timezone().into())
-    }
-}
-
-impl From<DateTime<rrule::Tz>> for CalDateTime {
-    fn from(value: DateTime<rrule::Tz>) -> Self {
-        Self::DateTime(value.with_timezone(&value.timezone().into()))
-    }
-}
-
-impl PartialOrd for CalDateTime {
-    fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> {
-        Some(self.cmp(other))
-    }
-}
-
-impl Ord for CalDateTime {
-    fn cmp(&self, other: &Self) -> std::cmp::Ordering {
-        match (&self, &other) {
-            (Self::DateTime(a), Self::DateTime(b)) => a.cmp(b),
-            (Self::DateTime(a), Self::Date(..)) => a.cmp(&other.as_datetime()),
-            (Self::Date(..), Self::DateTime(b)) => self.as_datetime().as_ref().cmp(b),
-            (Self::Date(..), Self::Date(..)) => self.as_datetime().cmp(&other.as_datetime()),
-        }
-    }
-}
-
-impl From<DateTime<Local>> for CalDateTime {
-    fn from(value: DateTime<Local>) -> Self {
-        Self::DateTime(value.with_timezone(&ICalTimezone::Local))
-    }
-}
-
-impl From<DateTime<Utc>> for CalDateTime {
-    fn from(value: DateTime<Utc>) -> Self {
-        Self::DateTime(value.with_timezone(&ICalTimezone::Olson(chrono_tz::UTC)))
-    }
-}
-
-impl Add<Duration> for CalDateTime {
-    type Output = Self;
-
-    fn add(self, duration: Duration) -> Self::Output {
-        match self {
-            Self::DateTime(datetime) => Self::DateTime(datetime + duration),
-            Self::Date(date, tz) => Self::DateTime(
-                date.and_time(NaiveTime::default())
-                    .and_local_timezone(tz)
-                    .earliest()
-                    .expect("Local timezone has constant offset")
-                    + duration,
-            ),
-        }
-    }
-}
-
-impl CalDateTime {
-    pub fn parse_prop(
-        prop: &Property,
-        timezones: &HashMap<String, Option<chrono_tz::Tz>>,
-    ) -> Result<Self, CalDateTimeError> {
-        let prop_value = prop
-            .value
-            .as_ref()
-            .ok_or_else(|| CalDateTimeError::InvalidDatetimeFormat("empty property".into()))?;
-
-        let timezone = if let Some(tzid) = prop.get_param("TZID") {
-            if let Some(timezone) = timezones.get(tzid) {
-                timezone.to_owned()
-            } else {
-                // TZID refers to timezone that does not exist
-                return Err(CalDateTimeError::InvalidTZID(tzid.to_string()));
-            }
-        } else {
-            // No explicit timezone specified.
-            // This is valid and will be localtime or UTC depending on the value
-            // We will stick to this default as documented in https://github.com/lennart-k/rustical/issues/102
-            None
-        };
-
-        Self::parse(prop_value, timezone)
-    }
-
-    #[must_use]
-    pub fn format(&self) -> String {
-        match self {
-            Self::DateTime(datetime) => match datetime.timezone() {
-                ICalTimezone::Olson(chrono_tz::UTC) => datetime.format(UTC_DATE_TIME).to_string(),
-                _ => datetime.format(LOCAL_DATE_TIME).to_string(),
-            },
-            Self::Date(date, _) => date.format(LOCAL_DATE).to_string(),
-        }
-    }
-
-    #[must_use]
-    pub fn format_date(&self) -> String {
-        match self {
-            Self::DateTime(datetime) => datetime.format(LOCAL_DATE).to_string(),
-            Self::Date(date, _) => date.format(LOCAL_DATE).to_string(),
-        }
-    }
-
-    #[must_use]
-    pub fn date(&self) -> NaiveDate {
-        match self {
-            Self::DateTime(datetime) => datetime.date_naive(),
-            Self::Date(date, _) => date.to_owned(),
-        }
-    }
-
-    #[must_use]
-    pub const fn is_date(&self) -> bool {
-        matches!(&self, Self::Date(_, _))
-    }
-
-    #[must_use]
-    pub fn as_datetime(&self) -> Cow<'_, DateTime<ICalTimezone>> {
-        match self {
-            Self::DateTime(datetime) => Cow::Borrowed(datetime),
-            Self::Date(date, tz) => Cow::Owned(
-                date.and_time(NaiveTime::default())
-                    .and_local_timezone(tz.to_owned())
-                    .earliest()
-                    .expect("Midnight always exists"),
-            ),
-        }
-    }
-
-    #[must_use]
-    pub fn with_timezone(&self, tz: &ICalTimezone) -> Self {
-        match self {
-            Self::DateTime(datetime) => Self::DateTime(datetime.with_timezone(tz)),
-            Self::Date(date, _) => Self::Date(date.to_owned(), tz.to_owned()),
-        }
-    }
-
-    pub fn parse(value: &str, timezone: Option<Tz>) -> Result<Self, CalDateTimeError> {
-        if let Ok(datetime) = NaiveDateTime::parse_from_str(value, LOCAL_DATE_TIME) {
-            if let Some(timezone) = timezone {
-                return Ok(Self::DateTime(
-                    datetime
-                        .and_local_timezone(timezone.into())
-                        .earliest()
-                        .ok_or(CalDateTimeError::LocalTimeGap)?,
-                ));
-            }
-            return Ok(Self::DateTime(
-                datetime
-                    .and_local_timezone(ICalTimezone::Local)
-                    .earliest()
-                    .ok_or(CalDateTimeError::LocalTimeGap)?,
-            ));
-        }
-
-        if let Ok(datetime) = NaiveDateTime::parse_from_str(value, UTC_DATE_TIME) {
-            return Ok(datetime.and_utc().into());
-        }
-        let timezone = timezone.map_or(ICalTimezone::Local, ICalTimezone::Olson);
-        if let Ok(date) = NaiveDate::parse_from_str(value, LOCAL_DATE) {
-            return Ok(Self::Date(date, timezone));
-        }
-
-        if let Ok(date) = NaiveDate::parse_from_str(value, "%Y-%m-%d") {
-            return Ok(Self::Date(date, timezone));
-        }
-        if let Ok(date) = NaiveDate::parse_from_str(value, "%Y%m%d") {
-            return Ok(Self::Date(date, timezone));
-        }
-
-        Err(CalDateTimeError::InvalidDatetimeFormat(value.to_string()))
-    }
-
-    // Also returns whether the date contains a year
-    pub fn parse_vcard(value: &str) -> Result<(Self, bool), CalDateTimeError> {
-        if let Ok(datetime) = Self::parse(value, None) {
-            return Ok((datetime, true));
-        }
-
-        if let Some(captures) = RE_VCARD_DATE_MM_DD.captures(value) {
-            // Because 1972 is a leap year
-            let year = 1972;
-            // Cannot fail because of the regex
-            let month = captures.name("m").unwrap().as_str().parse().ok().unwrap();
-            let day = captures.name("d").unwrap().as_str().parse().ok().unwrap();
-
-            return Ok((
-                Self::Date(
-                    NaiveDate::from_ymd_opt(year, month, day)
-                        .ok_or_else(|| CalDateTimeError::ParseError(value.to_string()))?,
-                    ICalTimezone::Local,
-                ),
-                false,
-            ));
-        }
-        Err(CalDateTimeError::InvalidDatetimeFormat(value.to_string()))
-    }
-
-    #[must_use]
-    pub fn utc(&self) -> DateTime<Utc> {
-        self.as_datetime().to_utc()
-    }
-
-    #[must_use]
-    pub fn timezone(&self) -> ICalTimezone {
-        match &self {
-            Self::DateTime(datetime) => datetime.timezone(),
-            Self::Date(_, tz) => tz.to_owned(),
-        }
-    }
-}
-
-impl From<CalDateTime> for DateTime<Utc> {
-    fn from(value: CalDateTime) -> Self {
-        value.utc()
-    }
-}
-
-impl Datelike for CalDateTime {
-    fn year(&self) -> i32 {
-        match &self {
-            Self::DateTime(datetime) => datetime.year(),
-            Self::Date(date, _) => date.year(),
-        }
-    }
-    fn month(&self) -> u32 {
-        match &self {
-            Self::DateTime(datetime) => datetime.month(),
-            Self::Date(date, _) => date.month(),
-        }
-    }
-
-    fn month0(&self) -> u32 {
-        match &self {
-            Self::DateTime(datetime) => datetime.month0(),
-            Self::Date(date, _) => date.month0(),
-        }
-    }
-    fn day(&self) -> u32 {
-        match &self {
-            Self::DateTime(datetime) => datetime.day(),
-            Self::Date(date, _) => date.day(),
-        }
-    }
-    fn day0(&self) -> u32 {
-        match &self {
-            Self::DateTime(datetime) => datetime.day0(),
-            Self::Date(date, _) => date.day0(),
-        }
-    }
-    fn ordinal(&self) -> u32 {
-        match &self {
-            Self::DateTime(datetime) => datetime.ordinal(),
-            Self::Date(date, _) => date.ordinal(),
-        }
-    }
-    fn ordinal0(&self) -> u32 {
-        match &self {
-            Self::DateTime(datetime) => datetime.ordinal0(),
-            Self::Date(date, _) => date.ordinal0(),
-        }
-    }
-    fn weekday(&self) -> chrono::Weekday {
-        match &self {
-            Self::DateTime(datetime) => datetime.weekday(),
-            Self::Date(date, _) => date.weekday(),
-        }
-    }
-    fn iso_week(&self) -> chrono::IsoWeek {
-        match &self {
-            Self::DateTime(datetime) => datetime.iso_week(),
-            Self::Date(date, _) => date.iso_week(),
-        }
-    }
-    fn with_year(&self, year: i32) -> Option<Self> {
-        match &self {
-            Self::DateTime(datetime) => Some(Self::DateTime(datetime.with_year(year)?)),
-            Self::Date(date, tz) => Some(Self::Date(date.with_year(year)?, tz.to_owned())),
-        }
-    }
-    fn with_month(&self, month: u32) -> Option<Self> {
-        match &self {
-            Self::DateTime(datetime) => Some(Self::DateTime(datetime.with_month(month)?)),
-            Self::Date(date, tz) => Some(Self::Date(date.with_month(month)?, tz.to_owned())),
-        }
-    }
-    fn with_month0(&self, month0: u32) -> Option<Self> {
-        match &self {
-            Self::DateTime(datetime) => Some(Self::DateTime(datetime.with_month0(month0)?)),
-            Self::Date(date, tz) => Some(Self::Date(date.with_month0(month0)?, tz.to_owned())),
-        }
-    }
-    fn with_day(&self, day: u32) -> Option<Self> {
-        match &self {
-            Self::DateTime(datetime) => Some(Self::DateTime(datetime.with_day(day)?)),
-            Self::Date(date, tz) => Some(Self::Date(date.with_day(day)?, tz.to_owned())),
-        }
-    }
-    fn with_day0(&self, day0: u32) -> Option<Self> {
-        match &self {
-            Self::DateTime(datetime) => Some(Self::DateTime(datetime.with_day0(day0)?)),
-            Self::Date(date, tz) => Some(Self::Date(date.with_day0(day0)?, tz.to_owned())),
-        }
-    }
-    fn with_ordinal(&self, ordinal: u32) -> Option<Self> {
-        match &self {
-            Self::DateTime(datetime) => Some(Self::DateTime(datetime.with_ordinal(ordinal)?)),
-            Self::Date(date, tz) => Some(Self::Date(date.with_ordinal(ordinal)?, tz.to_owned())),
-        }
-    }
-    fn with_ordinal0(&self, ordinal0: u32) -> Option<Self> {
-        match &self {
-            Self::DateTime(datetime) => Some(Self::DateTime(datetime.with_ordinal0(ordinal0)?)),
-            Self::Date(date, tz) => Some(Self::Date(date.with_ordinal0(ordinal0)?, tz.to_owned())),
-        }
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use crate::CalDateTime;
-    use chrono::NaiveDate;
-
-    #[test]
-    fn test_vcard_date() {
-        assert_eq!(
-            CalDateTime::parse_vcard("19850412").unwrap(),
-            (
-                CalDateTime::Date(
-                    NaiveDate::from_ymd_opt(1985, 4, 12).unwrap(),
-                    crate::ICalTimezone::Local
-                ),
-                true
-            )
-        );
-        assert_eq!(
-            CalDateTime::parse_vcard("1985-04-12").unwrap(),
-            (
-                CalDateTime::Date(
-                    NaiveDate::from_ymd_opt(1985, 4, 12).unwrap(),
-                    crate::ICalTimezone::Local
-                ),
-                true
-            )
-        );
-        assert_eq!(
-            CalDateTime::parse_vcard("--0412").unwrap(),
-            (
-                CalDateTime::Date(
-                    NaiveDate::from_ymd_opt(1972, 4, 12).unwrap(),
-                    crate::ICalTimezone::Local
-                ),
-                false
-            )
-        );
-    }
-}
--- a/crates/ical/src/timezone.rs
+++ b/crates/ical/src/timezone.rs
@@ -1,92 +0,0 @@
-use chrono::{Local, NaiveDate, NaiveDateTime, TimeZone};
-use chrono_tz::Tz;
-use derive_more::{Display, From};
-
-#[derive(Debug, Clone, From, PartialEq, Eq)]
-pub enum ICalTimezone {
-    Local,
-    Olson(Tz),
-}
-
-impl From<ICalTimezone> for rrule::Tz {
-    fn from(value: ICalTimezone) -> Self {
-        match value {
-            ICalTimezone::Local => Self::LOCAL,
-            ICalTimezone::Olson(tz) => Self::Tz(tz),
-        }
-    }
-}
-
-impl From<rrule::Tz> for ICalTimezone {
-    fn from(value: rrule::Tz) -> Self {
-        match value {
-            rrule::Tz::Local(_) => Self::Local,
-            rrule::Tz::Tz(tz) => Self::Olson(tz),
-        }
-    }
-}
-
-#[derive(Debug, Clone, PartialEq, Eq, Display)]
-pub enum CalTimezoneOffset {
-    Local(chrono::FixedOffset),
-    Olson(chrono_tz::TzOffset),
-}
-
-impl chrono::Offset for CalTimezoneOffset {
-    fn fix(&self) -> chrono::FixedOffset {
-        match self {
-            Self::Local(local) => local.fix(),
-            Self::Olson(olson) => olson.fix(),
-        }
-    }
-}
-
-impl TimeZone for ICalTimezone {
-    type Offset = CalTimezoneOffset;
-
-    fn from_offset(offset: &Self::Offset) -> Self {
-        match offset {
-            CalTimezoneOffset::Local(_) => Self::Local,
-            CalTimezoneOffset::Olson(offset) => Self::Olson(Tz::from_offset(offset)),
-        }
-    }
-
-    fn offset_from_local_date(&self, local: &NaiveDate) -> chrono::MappedLocalTime<Self::Offset> {
-        match self {
-            Self::Local => Local
-                .offset_from_local_date(local)
-                .map(CalTimezoneOffset::Local),
-            Self::Olson(tz) => tz
-                .offset_from_local_date(local)
-                .map(CalTimezoneOffset::Olson),
-        }
-    }
-
-    fn offset_from_local_datetime(
-        &self,
-        local: &NaiveDateTime,
-    ) -> chrono::MappedLocalTime<Self::Offset> {
-        match self {
-            Self::Local => Local
-                .offset_from_local_datetime(local)
-                .map(CalTimezoneOffset::Local),
-            Self::Olson(tz) => tz
-                .offset_from_local_datetime(local)
-                .map(CalTimezoneOffset::Olson),
-        }
-    }
-
-    fn offset_from_utc_datetime(&self, utc: &NaiveDateTime) -> Self::Offset {
-        match self {
-            Self::Local => CalTimezoneOffset::Local(Local.offset_from_utc_datetime(utc)),
-            Self::Olson(tz) => CalTimezoneOffset::Olson(tz.offset_from_utc_datetime(utc)),
-        }
-    }
-
-    fn offset_from_utc_date(&self, utc: &NaiveDate) -> Self::Offset {
-        match self {
-            Self::Local => CalTimezoneOffset::Local(Local.offset_from_utc_date(utc)),
-            Self::Olson(tz) => CalTimezoneOffset::Olson(tz.offset_from_utc_date(utc)),
-        }
-    }
-}
--- a/crates/ical/tests/test_cal_object.rs
+++ b/crates/ical/tests/test_cal_object.rs
@@ -25,6 +25,6 @@ END:VCALENDAR

 #[test]
 fn parse_calendar_object() {
-    let object = CalendarObject::from_ics(MULTI_VEVENT.to_string(), None).unwrap();
-    object.expand_recurrence(None, None).unwrap();
+    let object = CalendarObject::from_ics(MULTI_VEVENT.to_string()).unwrap();
+    object.get_inner().expand_recurrence(None, None);
 }
--- a/crates/store/src/addressbook_store.rs
+++ b/crates/store/src/addressbook_store.rs
@@ -15,8 +15,8 @@ pub trait AddressbookStore: Send + Sync + 'static {

    async fn update_addressbook(
        &self,
-        principal: String,
-        id: String,
+        principal: &str,
+        id: &str,
        addressbook: Addressbook,
    ) -> Result<(), Error>;
    async fn insert_addressbook(&self, addressbook: Addressbook) -> Result<(), Error>;
@@ -33,7 +33,7 @@ pub trait AddressbookStore: Send + Sync + 'static {
        principal: &str,
        addressbook_id: &str,
        synctoken: i64,
-    ) -> Result<(Vec<AddressObject>, Vec<String>, i64), Error>;
+    ) -> Result<(Vec<(String, AddressObject)>, Vec<String>, i64), Error>;

    async fn addressbook_metadata(
        &self,
@@ -45,7 +45,7 @@ pub trait AddressbookStore: Send + Sync + 'static {
        &self,
        principal: &str,
        addressbook_id: &str,
-    ) -> Result<Vec<AddressObject>, Error>;
+    ) -> Result<Vec<(String, AddressObject)>, Error>;
    async fn get_object(
        &self,
        principal: &str,
@@ -55,8 +55,9 @@ pub trait AddressbookStore: Send + Sync + 'static {
    ) -> Result<AddressObject, Error>;
    async fn put_object(
        &self,
-        principal: String,
-        addressbook_id: String,
+        principal: &str,
+        addressbook_id: &str,
+        object_id: &str,
        object: AddressObject,
        overwrite: bool,
    ) -> Result<(), Error>;
@@ -77,7 +78,7 @@ pub trait AddressbookStore: Send + Sync + 'static {
    async fn import_addressbook(
        &self,
        addressbook: Addressbook,
-        objects: Vec<AddressObject>,
+        objects: Vec<(String, AddressObject)>,
        merge_existing: bool,
    ) -> Result<(), Error>;
 }
--- a/crates/store/src/calendar_store.rs
+++ b/crates/store/src/calendar_store.rs
@@ -22,8 +22,8 @@ pub trait CalendarStore: Send + Sync + 'static {

    async fn update_calendar(
        &self,
-        principal: String,
-        id: String,
+        principal: &str,
+        id: &str,
        calendar: Calendar,
    ) -> Result<(), Error>;
    async fn insert_calendar(&self, calendar: Calendar) -> Result<(), Error>;
@@ -46,7 +46,7 @@ pub trait CalendarStore: Send + Sync + 'static {
        principal: &str,
        cal_id: &str,
        synctoken: i64,
-    ) -> Result<(Vec<CalendarObject>, Vec<String>, i64), Error>;
+    ) -> Result<(Vec<(String, CalendarObject)>, Vec<String>, i64), Error>;

    /// Since the <calendar-query> rules are rather complex this function
    /// is only meant to do some prefiltering
@@ -55,7 +55,7 @@ pub trait CalendarStore: Send + Sync + 'static {
        principal: &str,
        cal_id: &str,
        _query: CalendarQuery,
-    ) -> Result<Vec<CalendarObject>, Error> {
+    ) -> Result<Vec<(String, CalendarObject)>, Error> {
        self.get_objects(principal, cal_id).await
    }

@@ -69,7 +69,7 @@ pub trait CalendarStore: Send + Sync + 'static {
        &self,
        principal: &str,
        cal_id: &str,
-    ) -> Result<Vec<CalendarObject>, Error>;
+    ) -> Result<Vec<(String, CalendarObject)>, Error>;
    async fn get_object(
        &self,
        principal: &str,
@@ -79,20 +79,26 @@ pub trait CalendarStore: Send + Sync + 'static {
    ) -> Result<CalendarObject, Error>;
    async fn put_objects(
        &self,
-        principal: String,
-        cal_id: String,
-        objects: Vec<CalendarObject>,
+        principal: &str,
+        cal_id: &str,
+        objects: Vec<(String, CalendarObject)>,
        overwrite: bool,
    ) -> Result<(), Error>;
    async fn put_object(
        &self,
-        principal: String,
-        cal_id: String,
+        principal: &str,
+        cal_id: &str,
+        object_id: &str,
        object: CalendarObject,
        overwrite: bool,
    ) -> Result<(), Error> {
-        self.put_objects(principal, cal_id, vec![object], overwrite)
-            .await
+        self.put_objects(
+            principal,
+            cal_id,
+            vec![(object_id.to_owned(), object)],
+            overwrite,
+        )
+        .await
    }
    async fn delete_object(
        &self,
--- a/crates/store/src/combined_calendar_store.rs
+++ b/crates/store/src/combined_calendar_store.rs
@@ -1,5 +1,6 @@
-use crate::CalendarStore;
+use crate::{Calendar, CalendarStore, calendar_store::CalendarQuery};
 use async_trait::async_trait;
+use rustical_ical::CalendarObject;
 use std::{collections::HashMap, sync::Arc};

 pub trait PrefixedCalendarStore: CalendarStore {
@@ -51,11 +52,11 @@ impl CalendarStore for CombinedCalendarStore {

    async fn update_calendar(
        &self,
-        principal: String,
-        id: String,
-        calendar: crate::Calendar,
+        principal: &str,
+        id: &str,
+        calendar: Calendar,
    ) -> Result<(), crate::Error> {
-        self.store_for_id(&id)
+        self.store_for_id(id)
            .update_calendar(principal, id, calendar)
            .await
    }
@@ -88,7 +89,7 @@ impl CalendarStore for CombinedCalendarStore {
        principal: &str,
        cal_id: &str,
        synctoken: i64,
-    ) -> Result<(Vec<rustical_ical::CalendarObject>, Vec<String>, i64), crate::Error> {
+    ) -> Result<(Vec<(String, CalendarObject)>, Vec<String>, i64), crate::Error> {
        self.store_for_id(cal_id)
            .sync_changes(principal, cal_id, synctoken)
            .await
@@ -97,7 +98,7 @@ impl CalendarStore for CombinedCalendarStore {
    async fn import_calendar(
        &self,
        calendar: crate::Calendar,
-        objects: Vec<rustical_ical::CalendarObject>,
+        objects: Vec<CalendarObject>,
        merge_existing: bool,
    ) -> Result<(), crate::Error> {
        self.store_for_id(&calendar.id)
@@ -109,8 +110,8 @@ impl CalendarStore for CombinedCalendarStore {
        &self,
        principal: &str,
        cal_id: &str,
-        query: crate::calendar_store::CalendarQuery,
-    ) -> Result<Vec<rustical_ical::CalendarObject>, crate::Error> {
+        query: CalendarQuery,
+    ) -> Result<Vec<(String, CalendarObject)>, crate::Error> {
        self.store_for_id(cal_id)
            .calendar_query(principal, cal_id, query)
            .await
@@ -141,7 +142,7 @@ impl CalendarStore for CombinedCalendarStore {
        &self,
        principal: &str,
        cal_id: &str,
-    ) -> Result<Vec<rustical_ical::CalendarObject>, crate::Error> {
+    ) -> Result<Vec<(String, CalendarObject)>, crate::Error> {
        self.store_for_id(cal_id)
            .get_objects(principal, cal_id)
            .await
@@ -149,12 +150,12 @@ impl CalendarStore for CombinedCalendarStore {

    async fn put_objects(
        &self,
-        principal: String,
-        cal_id: String,
-        objects: Vec<rustical_ical::CalendarObject>,
+        principal: &str,
+        cal_id: &str,
+        objects: Vec<(String, CalendarObject)>,
        overwrite: bool,
    ) -> Result<(), crate::Error> {
-        self.store_for_id(&cal_id)
+        self.store_for_id(cal_id)
            .put_objects(principal, cal_id, objects, overwrite)
            .await
    }
--- a/crates/store/src/error.rs
+++ b/crates/store/src/error.rs
@@ -26,7 +26,7 @@ pub enum Error {
    Other(#[from] anyhow::Error),

    #[error(transparent)]
-    IcalError(#[from] rustical_ical::Error),
+    IcalError(#[from] ical::parser::ParserError),
 }

 impl Error {
@@ -36,7 +36,8 @@ impl Error {
            Self::NotFound => StatusCode::NOT_FOUND,
            Self::AlreadyExists => StatusCode::CONFLICT,
            Self::ReadOnly => StatusCode::FORBIDDEN,
-            Self::IcalError(err) => err.status_code(),
+            // TODO: Can also be Bad Request, depending on when this is raised
+            Self::IcalError(_err) => StatusCode::INTERNAL_SERVER_ERROR,
            Self::InvalidPrincipalType(_) => StatusCode::BAD_REQUEST,
            _ => StatusCode::INTERNAL_SERVER_ERROR,
        }
--- a/crates/store_sqlite/Cargo.toml
+++ b/crates/store_sqlite/Cargo.toml
@@ -20,6 +20,7 @@ rstest.workspace = true
 criterion.workspace = true

 [dependencies]
+ical.workspace = true
 tokio.workspace = true
 rustical_store.workspace = true
 async-trait.workspace = true
--- a/crates/store_sqlite/benches/insert_calendar_object.rs
+++ b/crates/store_sqlite/benches/insert_calendar_object.rs
@@ -34,16 +34,19 @@ fn benchmark(c: &mut Criterion) {
        cal_store
    });

-    let object = CalendarObject::from_ics(include_str!("ical_event.ics").to_owned(), None).unwrap();
+    let row = (
+        "asd".to_owned(),
+        CalendarObject::from_ics(include_str!("ical_event.ics").to_owned()).unwrap(),
+    );

    let batch_size = 1000;
-    let objects: Vec<_> = std::iter::repeat_n(object.clone(), batch_size).collect();
+    let objects: Vec<_> = std::iter::repeat_n(row.clone(), batch_size).collect();

    c.bench_function("put_batch", |b| {
        b.to_async(&runtime).iter(async || {
            // yeet
            cal_store
-                .put_objects("user".to_owned(), "okwow".to_owned(), objects.clone(), true)
+                .put_objects("user", "okwow", objects.clone(), true)
                .await
                .unwrap();
        });
@@ -54,7 +57,7 @@ fn benchmark(c: &mut Criterion) {
            // yeet
            for _ in 0..1000 {
                cal_store
-                    .put_object("user".to_owned(), "okwow".to_owned(), object.clone(), true)
+                    .put_object("user", "okwow", &row.0, row.1.clone(), true)
                    .await
                    .unwrap();
            }
--- a/crates/store_sqlite/src/addressbook_store/birthday_calendar.rs
+++ b/crates/store_sqlite/src/addressbook_store/birthday_calendar.rs
@@ -1,14 +1,13 @@
 use crate::addressbook_store::SqliteAddressbookStore;
 use async_trait::async_trait;
 use chrono::NaiveDateTime;
-use rustical_ical::{AddressObject, CalendarObject, CalendarObjectType};
+use rustical_ical::{CalendarObject, CalendarObjectType};
 use rustical_store::{
    Addressbook, AddressbookStore, Calendar, CalendarMetadata, CalendarStore, CollectionMetadata,
    Error, PrefixedCalendarStore,
 };
 use sha2::{Digest, Sha256};
 use sqlx::{Executor, Sqlite};
-use std::collections::HashMap;
 use tracing::instrument;

 pub const BIRTHDAYS_PREFIX: &str = "_birthdays_";
@@ -269,17 +268,18 @@ impl CalendarStore for SqliteAddressbookStore {
    #[instrument]
    async fn update_calendar(
        &self,
-        principal: String,
-        id: String,
+        principal: &str,
+        id: &str,
        mut calendar: Calendar,
    ) -> Result<(), Error> {
+        assert_eq!(principal, calendar.principal);
        assert_eq!(id, calendar.id);
        calendar.id = calendar
            .id
            .strip_prefix(BIRTHDAYS_PREFIX)
            .ok_or(Error::NotFound)?
            .to_string();
-        Self::_update_birthday_calendar(&self.db, &principal, &calendar).await
+        Self::_update_birthday_calendar(&self.db, principal, &calendar).await
    }

    #[instrument]
@@ -324,19 +324,35 @@ impl CalendarStore for SqliteAddressbookStore {
        principal: &str,
        cal_id: &str,
        synctoken: i64,
-    ) -> Result<(Vec<CalendarObject>, Vec<String>, i64), Error> {
+    ) -> Result<(Vec<(String, CalendarObject)>, Vec<String>, i64), Error> {
        let cal_id = cal_id
            .strip_prefix(BIRTHDAYS_PREFIX)
            .ok_or(Error::NotFound)?;
        let (objects, deleted_objects, new_synctoken) =
            AddressbookStore::sync_changes(self, principal, cal_id, synctoken).await?;
-        let objects: Result<Vec<Option<CalendarObject>>, rustical_ical::Error> = objects
-            .iter()
-            .map(AddressObject::get_birthday_object)
-            .collect();
-        let objects = objects?.into_iter().flatten().collect();

-        Ok((objects, deleted_objects, new_synctoken))
+        let mut out_objects = vec![];
+
+        for (object_id, object) in objects {
+            if let Some(birthday) = object.get_birthday_object()? {
+                out_objects.push((format!("{object_id}-birthday"), birthday));
+            }
+            if let Some(anniversary) = object.get_anniversary_object()? {
+                out_objects.push((format!("{object_id}-anniversayr"), anniversary));
+            }
+        }
+
+        let deleted_objects = deleted_objects
+            .into_iter()
+            .flat_map(|object_id| {
+                [
+                    format!("{object_id}-birthday"),
+                    format!("{object_id}-anniversary"),
+                ]
+            })
+            .collect();
+
+        Ok((out_objects, deleted_objects, new_synctoken))
    }

    #[instrument]
@@ -356,21 +372,19 @@ impl CalendarStore for SqliteAddressbookStore {
        &self,
        principal: &str,
        cal_id: &str,
-    ) -> Result<Vec<CalendarObject>, Error> {
+    ) -> Result<Vec<(String, CalendarObject)>, Error> {
+        let mut objects = vec![];
        let cal_id = cal_id
            .strip_prefix(BIRTHDAYS_PREFIX)
            .ok_or(Error::NotFound)?;
-        let objects: Result<Vec<HashMap<&'static str, CalendarObject>>, rustical_ical::Error> =
-            AddressbookStore::get_objects(self, principal, cal_id)
-                .await?
-                .iter()
-                .map(AddressObject::get_significant_dates)
-                .collect();
-        let objects = objects?
-            .into_iter()
-            .flat_map(HashMap::into_values)
-            .collect();
-
+        for (object_id, object) in AddressbookStore::get_objects(self, principal, cal_id).await? {
+            if let Some(birthday) = object.get_birthday_object()? {
+                objects.push((format!("{object_id}-birthday"), birthday));
+            }
+            if let Some(anniversary) = object.get_anniversary_object()? {
+                objects.push((format!("{object_id}-anniversayr"), anniversary));
+            }
+        }
        Ok(objects)
    }

@@ -386,19 +400,22 @@ impl CalendarStore for SqliteAddressbookStore {
            .strip_prefix(BIRTHDAYS_PREFIX)
            .ok_or(Error::NotFound)?;
        let (addressobject_id, date_type) = object_id.rsplit_once('-').ok_or(Error::NotFound)?;
-        AddressbookStore::get_object(self, principal, cal_id, addressobject_id, show_deleted)
-            .await?
-            .get_significant_dates()?
-            .remove(date_type)
-            .ok_or(Error::NotFound)
+        let obj =
+            AddressbookStore::get_object(self, principal, cal_id, addressobject_id, show_deleted)
+                .await?;
+        match date_type {
+            "birthday" => Ok(obj.get_birthday_object()?.ok_or(Error::NotFound)?),
+            "anniversary" => Ok(obj.get_anniversary_object()?.ok_or(Error::NotFound)?),
+            _ => Err(Error::NotFound),
+        }
    }

    #[instrument]
    async fn put_objects(
        &self,
-        _principal: String,
-        _cal_id: String,
-        _objects: Vec<CalendarObject>,
+        _principal: &str,
+        _cal_id: &str,
+        _objects: Vec<(String, CalendarObject)>,
        _overwrite: bool,
    ) -> Result<(), Error> {
        Err(Error::ReadOnly)
--- a/crates/store_sqlite/src/addressbook_store/mod.rs
+++ b/crates/store_sqlite/src/addressbook_store/mod.rs
@@ -19,11 +19,11 @@ struct AddressObjectRow {
    vcf: String,
 }

-impl TryFrom<AddressObjectRow> for AddressObject {
+impl TryFrom<AddressObjectRow> for (String, AddressObject) {
    type Error = rustical_store::Error;

    fn try_from(value: AddressObjectRow) -> Result<Self, Self::Error> {
-        Ok(Self::from_vcf(value.id, value.vcf)?)
+        Ok((value.id, AddressObject::from_vcf(value.vcf)?))
    }
 }

@@ -290,7 +290,7 @@ impl SqliteAddressbookStore {
        principal: &str,
        addressbook_id: &str,
        synctoken: i64,
-    ) -> Result<(Vec<AddressObject>, Vec<String>, i64), rustical_store::Error> {
+    ) -> Result<(Vec<(String, AddressObject)>, Vec<String>, i64), rustical_store::Error> {
        struct Row {
            object_id: String,
            synctoken: i64,
@@ -318,7 +318,7 @@ impl SqliteAddressbookStore {
        for Row { object_id, .. } in changes {
            match Self::_get_object(&mut *conn, principal, addressbook_id, &object_id, false).await
            {
-                Ok(object) => objects.push(object),
+                Ok(object) => objects.push((object_id, object)),
                Err(rustical_store::Error::NotFound) => deleted_objects.push(object_id),
                Err(err) => return Err(err),
            }
@@ -353,7 +353,7 @@ impl SqliteAddressbookStore {
        executor: E,
        principal: &str,
        addressbook_id: &str,
-    ) -> Result<Vec<AddressObject>, rustical_store::Error> {
+    ) -> Result<Vec<(String, AddressObject)>, rustical_store::Error> {
        sqlx::query_as!(
            AddressObjectRow,
            "SELECT id, vcf FROM addressobjects WHERE principal = ? AND addressbook_id = ? AND deleted_at IS NULL",
@@ -374,7 +374,7 @@ impl SqliteAddressbookStore {
        object_id: &str,
        show_deleted: bool,
    ) -> Result<AddressObject, rustical_store::Error> {
-        sqlx::query_as!(
+        let (id, object) = sqlx::query_as!(
            AddressObjectRow,
            "SELECT id, vcf FROM addressobjects WHERE (principal, addressbook_id, id) = (?, ?, ?) AND ((deleted_at IS NULL) OR ?)",
            principal,
@@ -385,17 +385,20 @@ impl SqliteAddressbookStore {
        .fetch_one(executor)
        .await
        .map_err(crate::Error::from)?
-        .try_into()
+        .try_into()?;
+        assert_eq!(id, object_id);
+        Ok(object)
    }

    async fn _put_object<'e, E: Executor<'e, Database = Sqlite>>(
        executor: E,
        principal: &str,
        addressbook_id: &str,
+        object_id: &str,
        object: &AddressObject,
        overwrite: bool,
    ) -> Result<(), rustical_store::Error> {
-        let (object_id, vcf) = (object.get_id(), object.get_vcf());
+        let vcf = object.get_vcf();

        (if overwrite {
            sqlx::query!(
@@ -500,11 +503,13 @@ impl AddressbookStore for SqliteAddressbookStore {
    #[instrument]
    async fn update_addressbook(
        &self,
-        principal: String,
-        id: String,
+        principal: &str,
+        id: &str,
        addressbook: Addressbook,
    ) -> Result<(), rustical_store::Error> {
-        Self::_update_addressbook(&self.db, &principal, &id, &addressbook).await
+        assert_eq!(principal, &addressbook.principal);
+        assert_eq!(id, &addressbook.id);
+        Self::_update_addressbook(&self.db, principal, id, &addressbook).await
    }

    #[instrument]
@@ -569,7 +574,7 @@ impl AddressbookStore for SqliteAddressbookStore {
        principal: &str,
        addressbook_id: &str,
        synctoken: i64,
-    ) -> Result<(Vec<AddressObject>, Vec<String>, i64), rustical_store::Error> {
+    ) -> Result<(Vec<(String, AddressObject)>, Vec<String>, i64), rustical_store::Error> {
        Self::_sync_changes(&self.db, principal, addressbook_id, synctoken).await
    }

@@ -601,7 +606,7 @@ impl AddressbookStore for SqliteAddressbookStore {
        &self,
        principal: &str,
        addressbook_id: &str,
-    ) -> Result<Vec<AddressObject>, rustical_store::Error> {
+    ) -> Result<Vec<(String, AddressObject)>, rustical_store::Error> {
        Self::_get_objects(&self.db, principal, addressbook_id).await
    }

@@ -619,8 +624,9 @@ impl AddressbookStore for SqliteAddressbookStore {
    #[instrument]
    async fn put_object(
        &self,
-        principal: String,
-        addressbook_id: String,
+        principal: &str,
+        addressbook_id: &str,
+        object_id: &str,
        object: AddressObject,
        overwrite: bool,
    ) -> Result<(), rustical_store::Error> {
@@ -630,15 +636,21 @@ impl AddressbookStore for SqliteAddressbookStore {
            .await
            .map_err(crate::Error::from)?;

-        let object_id = object.get_id().to_owned();
-
-        Self::_put_object(&mut *tx, &principal, &addressbook_id, &object, overwrite).await?;
+        Self::_put_object(
+            &mut *tx,
+            principal,
+            addressbook_id,
+            object_id,
+            &object,
+            overwrite,
+        )
+        .await?;

        let sync_token = Self::log_object_operation(
            &mut tx,
-            &principal,
-            &addressbook_id,
-            &object_id,
+            principal,
+            addressbook_id,
+            object_id,
            ChangeOperation::Add,
        )
        .await
@@ -648,7 +660,7 @@ impl AddressbookStore for SqliteAddressbookStore {

        self.send_push_notification(
            CollectionOperationInfo::Content { sync_token },
-            self.get_addressbook(&principal, &addressbook_id, false)
+            self.get_addressbook(principal, addressbook_id, false)
                .await?
                .push_topic,
        );
@@ -733,7 +745,7 @@ impl AddressbookStore for SqliteAddressbookStore {
    async fn import_addressbook(
        &self,
        addressbook: Addressbook,
-        objects: Vec<AddressObject>,
+        objects: Vec<(String, AddressObject)>,
        merge_existing: bool,
    ) -> Result<(), Error> {
        let mut tx = self
@@ -758,11 +770,12 @@ impl AddressbookStore for SqliteAddressbookStore {
        }

        let mut sync_token = None;
-        for object in objects {
+        for (object_id, object) in objects {
            Self::_put_object(
                &mut *tx,
                &addressbook.principal,
                &addressbook.id,
+                &object_id,
                &object,
                false,
            )
@@ -773,7 +786,7 @@ impl AddressbookStore for SqliteAddressbookStore {
                    &mut tx,
                    &addressbook.principal,
                    &addressbook.id,
-                    object.get_id(),
+                    &object_id,
                    ChangeOperation::Add,
                )
                .await?,
--- a/crates/store_sqlite/src/calendar_store.rs
+++ b/crates/store_sqlite/src/calendar_store.rs
@@ -3,8 +3,9 @@ use crate::BEGIN_IMMEDIATE;
 use async_trait::async_trait;
 use chrono::TimeDelta;
 use derive_more::derive::Constructor;
+use ical::types::CalDateTime;
 use regex::Regex;
-use rustical_ical::{CalDateTime, CalendarObject, CalendarObjectType};
+use rustical_ical::{CalendarObject, CalendarObjectType};
 use rustical_store::calendar_store::CalendarQuery;
 use rustical_store::synctoken::format_synctoken;
 use rustical_store::{Calendar, CalendarMetadata, CalendarStore, CollectionMetadata, Error};
@@ -21,21 +22,20 @@ struct CalendarObjectRow {
    uid: String,
 }

-impl TryFrom<CalendarObjectRow> for CalendarObject {
+impl TryFrom<CalendarObjectRow> for (String, CalendarObject) {
    type Error = rustical_store::Error;

-    fn try_from(value: CalendarObjectRow) -> Result<Self, Self::Error> {
-        let object = Self::from_ics(value.ics, Some(value.id))?;
-        if object.get_uid() != value.uid {
-            return Err(rustical_store::Error::IcalError(
-                rustical_ical::Error::InvalidData(format!(
-                    "uid={} and UID={} don't match",
-                    value.uid,
-                    object.get_uid()
-                )),
-            ));
+    fn try_from(row: CalendarObjectRow) -> Result<Self, Self::Error> {
+        let object = CalendarObject::from_ics(row.ics)?;
+        if object.get_uid() != row.uid {
+            warn!(
+                "Calendar object {}.ics: UID={} and row uid={} do not match",
+                row.id,
+                object.get_uid(),
+                row.uid
+            );
        }
-        Ok(object)
+        Ok((row.id, object))
    }
 }

@@ -357,8 +357,8 @@ impl SqliteCalendarStore {

    async fn _update_calendar<'e, E: Executor<'e, Database = Sqlite>>(
        executor: E,
-        principal: String,
-        id: String,
+        principal: &str,
+        id: &str,
        calendar: Calendar,
    ) -> Result<(), Error> {
        let comp_event = calendar.components.contains(&CalendarObjectType::Event);
@@ -456,7 +456,7 @@ impl SqliteCalendarStore {
        executor: E,
        principal: &str,
        cal_id: &str,
-    ) -> Result<Vec<CalendarObject>, Error> {
+    ) -> Result<Vec<(String, CalendarObject)>, Error> {
        sqlx::query_as!(
            CalendarObjectRow,
            "SELECT id, uid, ics FROM calendarobjects WHERE principal = ? AND cal_id = ? AND deleted_at IS NULL",
@@ -475,7 +475,7 @@ impl SqliteCalendarStore {
        principal: &str,
        cal_id: &str,
        query: CalendarQuery,
-    ) -> Result<Vec<CalendarObject>, Error> {
+    ) -> Result<Vec<(String, CalendarObject)>, Error> {
        // We extend our query interval by one day in each direction since we really don't want to
        // miss any objects because of timezone differences
        // I've previously tried NaiveDate::MIN,MAX, but it seems like sqlite cannot handle these
@@ -511,7 +511,7 @@ impl SqliteCalendarStore {
        object_id: &str,
        show_deleted: bool,
    ) -> Result<CalendarObject, Error> {
-        sqlx::query_as!(
+        let (row_id, object) = sqlx::query_as!(
            CalendarObjectRow,
            "SELECT id, uid, ics FROM calendarobjects WHERE (principal, cal_id, id) = (?, ?, ?) AND ((deleted_at IS NULL) OR ?)",
            principal,
@@ -522,7 +522,9 @@ impl SqliteCalendarStore {
        .fetch_one(executor)
        .await
        .map_err(crate::Error::from)?
-        .try_into()
+        .try_into()?;
+        assert_eq!(object_id, row_id);
+        Ok(object)
    }

    #[instrument]
@@ -530,23 +532,24 @@ impl SqliteCalendarStore {
        executor: E,
        principal: &str,
        cal_id: &str,
+        object_id: &str,
        object: &CalendarObject,
        overwrite: bool,
    ) -> Result<(), Error> {
-        let (object_id, uid, ics) = (object.get_id(), object.get_uid(), object.get_ics());
+        let (uid, ics) = (object.get_uid(), object.get_ics());

        let first_occurence = object
+            .get_inner()
+            .get_inner()
            .get_first_occurence()
-            .ok()
-            .flatten()
            .as_ref()
-            .map(CalDateTime::date);
+            .map(CalDateTime::date_floor);
        let last_occurence = object
+            .get_inner()
+            .get_inner()
            .get_last_occurence()
-            .ok()
-            .flatten()
            .as_ref()
-            .map(CalDateTime::date);
+            .map(CalDateTime::date_ceil);
        let etag = object.get_etag();
        let object_type = object.get_object_type() as u8;

@@ -638,7 +641,7 @@ impl SqliteCalendarStore {
        principal: &str,
        cal_id: &str,
        synctoken: i64,
-    ) -> Result<(Vec<CalendarObject>, Vec<String>, i64), Error> {
+    ) -> Result<(Vec<(String, CalendarObject)>, Vec<String>, i64), Error> {
        struct Row {
            object_id: String,
            synctoken: i64,
@@ -665,7 +668,7 @@ impl SqliteCalendarStore {

        for Row { object_id, .. } in changes {
            match Self::_get_object(&mut *conn, principal, cal_id, &object_id, false).await {
-                Ok(object) => objects.push(object),
+                Ok(object) => objects.push((object_id, object)),
                Err(rustical_store::Error::NotFound) => deleted_objects.push(object_id),
                Err(err) => return Err(err),
            }
@@ -705,8 +708,8 @@ impl CalendarStore for SqliteCalendarStore {
    #[instrument]
    async fn update_calendar(
        &self,
-        principal: String,
-        id: String,
+        principal: &str,
+        id: &str,
        calendar: Calendar,
    ) -> Result<(), Error> {
        Self::_update_calendar(&self.db, principal, id, calendar).await
@@ -774,14 +777,23 @@ impl CalendarStore for SqliteCalendarStore {

        let mut sync_token = None;
        for object in objects {
-            Self::_put_object(&mut *tx, &calendar.principal, &calendar.id, &object, false).await?;
+            let object_id = object.get_uid();
+            Self::_put_object(
+                &mut *tx,
+                &calendar.principal,
+                &calendar.id,
+                object_id,
+                &object,
+                false,
+            )
+            .await?;

            sync_token = Some(
                Self::log_object_operation(
                    &mut tx,
                    &calendar.principal,
                    &calendar.id,
-                    object.get_id(),
+                    object_id,
                    ChangeOperation::Add,
                )
                .await?,
@@ -807,7 +819,7 @@ impl CalendarStore for SqliteCalendarStore {
        principal: &str,
        cal_id: &str,
        query: CalendarQuery,
-    ) -> Result<Vec<CalendarObject>, Error> {
+    ) -> Result<Vec<(String, CalendarObject)>, Error> {
        Self::_calendar_query(&self.db, principal, cal_id, query).await
    }

@@ -838,7 +850,7 @@ impl CalendarStore for SqliteCalendarStore {
        &self,
        principal: &str,
        cal_id: &str,
-    ) -> Result<Vec<CalendarObject>, Error> {
+    ) -> Result<Vec<(String, CalendarObject)>, Error> {
        Self::_get_objects(&self.db, principal, cal_id).await
    }

@@ -856,9 +868,9 @@ impl CalendarStore for SqliteCalendarStore {
    #[instrument]
    async fn put_objects(
        &self,
-        principal: String,
-        cal_id: String,
-        objects: Vec<CalendarObject>,
+        principal: &str,
+        cal_id: &str,
+        objects: Vec<(String, CalendarObject)>,
        overwrite: bool,
    ) -> Result<(), Error> {
        let mut tx = self
@@ -867,25 +879,25 @@ impl CalendarStore for SqliteCalendarStore {
            .await
            .map_err(crate::Error::from)?;

-        let calendar = Self::_get_calendar(&mut *tx, &principal, &cal_id, true).await?;
+        let calendar = Self::_get_calendar(&mut *tx, principal, cal_id, true).await?;
        if calendar.subscription_url.is_some() {
            // We cannot commit an object to a subscription calendar
            return Err(Error::ReadOnly);
        }

        let mut sync_token = None;
-        for object in objects {
+        for (object_id, object) in objects {
            sync_token = Some(
                Self::log_object_operation(
                    &mut tx,
-                    &principal,
-                    &cal_id,
-                    object.get_id(),
+                    principal,
+                    cal_id,
+                    &object_id,
                    ChangeOperation::Add,
                )
                .await?,
            );
-            Self::_put_object(&mut *tx, &principal, &cal_id, &object, overwrite).await?;
+            Self::_put_object(&mut *tx, principal, cal_id, &object_id, &object, overwrite).await?;
        }

        tx.commit().await.map_err(crate::Error::from)?;
@@ -893,9 +905,7 @@ impl CalendarStore for SqliteCalendarStore {
        if let Some(sync_token) = sync_token {
            self.send_push_notification(
                CollectionOperationInfo::Content { sync_token },
-                self.get_calendar(&principal, &cal_id, true)
-                    .await?
-                    .push_topic,
+                self.get_calendar(principal, cal_id, true).await?.push_topic,
            );
        }
        Ok(())
@@ -963,7 +973,7 @@ impl CalendarStore for SqliteCalendarStore {
        principal: &str,
        cal_id: &str,
        synctoken: i64,
-    ) -> Result<(Vec<CalendarObject>, Vec<String>, i64), Error> {
+    ) -> Result<(Vec<(String, CalendarObject)>, Vec<String>, i64), Error> {
        Self::_sync_changes(&self.db, principal, cal_id, synctoken).await
    }

--- a/crates/xml/derive/src/xml_struct/mod.rs
+++ b/crates/xml/derive/src/xml_struct/mod.rs
@@ -136,7 +136,7 @@ impl NamedStruct {
                        #(#builder_field_inits),*
                    };

-                    let (ns, name) = reader.resolve_element(start.name());
+                    let (ns, name) = reader.resolver().resolve_element(start.name());
                    #(#tagname_field_branches);*
                    #(#namespace_field_branches);*

@@ -161,7 +161,7 @@ impl NamedStruct {
                                // start of a child element
                                Event::Start(start) | Event::Empty(start) => {
                                    let empty = matches!(event, Event::Empty(_));
-                                    let (ns, name) = reader.resolve_element(start.name());
+                                    let (ns, name) = reader.resolver().resolve_element(start.name());
                                    match (ns, name.as_ref()) {
                                        #(#named_field_branches),*
                                        #(#untagged_field_branches),*
--- a/crates/xml/src/de.rs
+++ b/crates/xml/src/de.rs
@@ -42,7 +42,7 @@ impl<T: XmlRootTag + XmlDeserialize> XmlDocument for T {
            match event {
                Event::Decl(_) | Event::Comment(_) => { /*  ignore this */ }
                Event::Start(start) | Event::Empty(start) => {
-                    let (ns, name) = reader.resolve_element(start.name());
+                    let (ns, name) = reader.resolver().resolve_element(start.name());
                    let matches = match (Self::root_ns(), &ns, name) {
                        // Wrong tag
                        (_, _, name) if name.as_ref() != Self::root_tag().as_bytes() => false,
--- a/src/integration_tests/caldav/mod.rs
+++ b/src/integration_tests/caldav/mod.rs
@@ -9,7 +9,7 @@ use tower::ServiceExt;

 mod calendar;
 mod calendar_import;
-mod calendar_report;
+// mod calendar_report;

 #[rstest]
 #[tokio::test]
--- a/src/integration_tests/caldav/snapshots/rustical__integration_testscaldavcalendar__get_body.snap
+++ b/src/integration_tests/caldav/snapshots/rustical__integration_testscaldavcalendar__get_body.snap
@@ -4,9 +4,10 @@ expression: body
 ---
 BEGIN:VCALENDAR
 VERSION:2.0
+PRODID:RustiCal Export
 CALSCALE:GREGORIAN
-PRODID:RustiCal
 X-WR-CALNAME:Calendar
 X-WR-CALDESC:Description
+X-WR-CALCOLOR:#00FF00
 X-WR-TIMEZONE:US/Eastern
 END:VCALENDAR
--- a/src/integration_tests/caldav/snapshots/rustical__integration_testscaldavcalendar_import__0_get_body.snap
+++ b/src/integration_tests/caldav/snapshots/rustical__integration_testscaldavcalendar_import__0_get_body.snap
@@ -4,8 +4,8 @@ expression: body
 ---
 BEGIN:VCALENDAR
 VERSION:2.0
+PRODID:RustiCal Export
 CALSCALE:GREGORIAN
-PRODID:RustiCal
 BEGIN:VEVENT
 UID:[UID]
 SUMMARY:One-off Meeting
--- a/src/integration_tests/caldav/snapshots/rustical__integration_testscaldavcalendar_import__1_get_body.snap
+++ b/src/integration_tests/caldav/snapshots/rustical__integration_testscaldavcalendar_import__1_get_body.snap
@@ -4,8 +4,8 @@ expression: body
 ---
 BEGIN:VCALENDAR
 VERSION:2.0
+PRODID:RustiCal Export
 CALSCALE:GREGORIAN
-PRODID:RustiCal
 BEGIN:VTIMEZONE
 LAST-MODIFIED:20040110T032845Z
 TZID:US/Eastern
@@ -29,7 +29,7 @@ DTSTAMP:20060206T001102Z
 DTSTART;TZID=US/Eastern:20060102T100000
 DURATION:PT1H
 SUMMARY:Event #1
-Description:Go Steelers!
+DESCRIPTION:Go Steelers!
 UID:[UID]
 END:VEVENT
 BEGIN:VEVENT
--- a/src/integration_tests/carddav/snapshots/rustical__integration_testscarddavaddressbook__multiget_body.snap
+++ b/src/integration_tests/carddav/snapshots/rustical__integration_testscarddavaddressbook__multiget_body.snap
@@ -8,7 +8,7 @@ expression: body
        <href>/carddav/principal/user/contacts/newcard.vcf</href>
        <propstat>
            <prop>
-                <getetag>&quot;24835b6c11816c864f9edadd4c7c296234c643892afcbbc5fbf5c9b7ac935cf8&quot;</getetag>
+                <getetag>&quot;ea0bf4a2ce7ef84606a4cf9235776dbc11b3e7ce351ddf35f27cbc0088acca7e&quot;</getetag>
                <CARD:address-data>BEGIN:VCARD
 VERSION:3.0
 FN:Cyrus Daboo
--- a/src/migration_0_12.rs
+++ b/src/migration_0_12.rs
@@ -1,3 +1,4 @@
+use ical::parser::{ical::IcalObjectParser, vcard::VcardParser};
 use rustical_store::{AddressbookStore, CalendarStore, auth::AuthenticationProvider};
 use tracing::{error, info};

@@ -8,20 +9,18 @@ pub async fn validate_calendar_objects_0_12(
    let mut success = true;
    for principal in principal_store.get_principals().await? {
        for calendar in cal_store.get_calendars(&principal.id).await? {
-            for object in cal_store
+            for (object_id, object) in cal_store
                .get_objects(&calendar.principal, &calendar.id)
                .await?
            {
                if let Err(err) =
-                    ical_dev::parser::ical::IcalObjectParser::new(object.get_ics().as_bytes())
-                        .expect_one()
+                    IcalObjectParser::from_slice(object.get_ics().as_bytes()).expect_one()
                {
                    success = false;
                    error!(
                        "An error occured parsing a calendar object: principal={principal}, calendar={calendar}, object_id={object_id}: {err}",
                        principal = principal.id,
                        calendar = calendar.id,
-                        object_id = object.get_id()
                    );
                    println!("{}", object.get_ics());
                }
@@ -47,20 +46,17 @@ pub async fn validate_address_objects_0_12(
    let mut success = true;
    for principal in principal_store.get_principals().await? {
        for addressbook in addr_store.get_addressbooks(&principal.id).await? {
-            for object in addr_store
+            for (object_id, object) in addr_store
                .get_objects(&addressbook.principal, &addressbook.id)
                .await?
            {
-                if let Err(err) =
-                    ical_dev::parser::vcard::VcardParser::new(object.get_vcf().as_bytes())
-                        .expect_one()
+                if let Err(err) = VcardParser::from_slice(object.get_vcf().as_bytes()).expect_one()
                {
                    success = false;
                    error!(
                        "An error occured parsing an address object: principal={principal}, addressbook={addressbook}, object_id={object_id}: {err}",
                        principal = principal.id,
                        addressbook = addressbook.id,
-                        object_id = object.get_id()
                    );
                    println!("{}", object.get_vcf());
                }
Author	SHA1	Message	Date
Lennart K	7e099bcd6e	Merge branch 'main' into feat/ical-rewrite	2026-01-16 16:47:17 +01:00
Lennart K	dde05d2f45	Workflow: Publish container images for feature branches too	2026-01-16 16:29:38 +01:00
Lennart K	4adf1818d4	Merge branch 'main' into feat/ical-rewrite	2026-01-16 15:58:17 +01:00
Lennart K	f503bf2bf7	Update quick-xml	2026-01-16 15:47:10 +01:00
Lennart K	7c15976a1a	rebase main	2026-01-16 15:41:39 +01:00
Lennart K	669d81aea0	address_object resource: Implement displayname	2026-01-16 15:39:56 +01:00
Lennart K	967d18de95	Fix comp-filter	2026-01-16 15:39:55 +01:00
Lennart K	63373ad525	simplify handling of ical-related errors	2026-01-16 15:39:54 +01:00
Lennart K	2c67890343	Update ical-rs	2026-01-16 15:39:53 +01:00
Lennart K	5ec2787ecf	build MVP for birthday calendar	2026-01-16 15:39:53 +01:00
Lennart K	7eecd95757	Remove calendar-query integration test for now	2026-01-16 15:39:52 +01:00
Lennart K	c165e761be	update ical-rs	2026-01-16 15:39:51 +01:00
Lennart K	5f68a5ae5c	Re-add get_last_occurence for sqlite store	2026-01-16 15:39:50 +01:00
Lennart K	c77b59dcb0	Remove unused code	2026-01-16 15:39:49 +01:00
Lennart K	276fdcacf5	Re-implement calendar imports	2026-01-16 15:39:48 +01:00
Lennart K	43fff63008	Calendar export: Fix PRODID	2026-01-16 15:39:47 +01:00
Lennart K	977fd75500	Re-implement calendar export	2026-01-16 15:39:46 +01:00
Lennart K	5639127782	clean up ical-related stuff	2026-01-16 15:39:44 +01:00
Lennart K	a2255bc7f1	make calendar object id extrinsic	2026-01-16 15:39:34 +01:00
Lennart K	758793a11a	Make AddressObject object_id an extrinsic property	2026-01-16 15:39:33 +01:00
Lennart K	a9f3833a32	small fixes	2026-01-16 15:39:30 +01:00
Lennart K	896e934c0a	Decrease folder nesting	2026-01-16 15:39:01 +01:00
Lennart K	bb880aa403	incorporate get_first_occurenec	2026-01-16 15:39:00 +01:00
Lennart K	69acde10ba	migrate to new ical-rs version	2026-01-16 15:38:57 +01:00
Lennart K	d84158e8ad	version 0.11.17	2026-01-16 12:26:43 +01:00
Lennart K	7ef566040a	Disable a test that will be fixed in 0.12	2026-01-16 12:16:02 +01:00
Lennart K	1c1f0c6da2	Update ical-rs@dev to fix cargo vendor	2026-01-16 12:10:10 +01:00
Lennart	3fafbd22f4	version 0.11.16	2026-01-15 23:43:00 +01:00
Lennart	e68dc921e6	Now actually fix builds	2026-01-15 23:19:35 +01:00
Lennart	60b45e70ad	fix docker builds	2026-01-15 22:31:40 +01:00
Lennart	a0c33c82dd	version 0.11.14	2026-01-15 13:32:45 +01:00