Update version to 0.8.3

Fixes #106

.sqlx/query-27ac68a4eea40c1cac663cad034028cf6c373354b29e3a5290c18f58101913cd.json

@@ -1,6 +1,6 @@
 {
   "db_name": "SQLite",
-  "query": "SELECT *\n                FROM calendars\n                WHERE principal = ? AND deleted_at IS NOT NULL",
+  "query": "SELECT principal, id, displayname, \"order\", description, color, timezone_id, deleted_at, synctoken, subscription_url, push_topic, comp_event, comp_todo, comp_journal\n                FROM calendars\n                WHERE principal = ? AND deleted_at IS NOT NULL",
   "describe": {
     "columns": [
       {
@@ -14,68 +14,63 @@
         "type_info": "Text"
       },
       {
-        "name": "synctoken",
+        "name": "displayname",
         "ordinal": 2,
-        "type_info": "Integer"
+        "type_info": "Text"
       },
       {
-        "name": "displayname",
+        "name": "order",
         "ordinal": 3,
-        "type_info": "Text"
+        "type_info": "Integer"
       },
       {
         "name": "description",
         "ordinal": 4,
         "type_info": "Text"
       },
-      {
-        "name": "order",
-        "ordinal": 5,
-        "type_info": "Integer"
-      },
       {
         "name": "color",
-        "ordinal": 6,
-        "type_info": "Text"
-      },
-      {
-        "name": "timezone",
-        "ordinal": 7,
+        "ordinal": 5,
         "type_info": "Text"
       },
       {
         "name": "timezone_id",
-        "ordinal": 8,
+        "ordinal": 6,
         "type_info": "Text"
       },
       {
         "name": "deleted_at",
-        "ordinal": 9,
+        "ordinal": 7,
         "type_info": "Datetime"
       },
+      {
+        "name": "synctoken",
+        "ordinal": 8,
+        "type_info": "Integer"
+      },
       {
         "name": "subscription_url",
-        "ordinal": 10,
+        "ordinal": 9,
         "type_info": "Text"
       },
       {
         "name": "push_topic",
-        "ordinal": 11,
+        "ordinal": 10,
         "type_info": "Text"
       },
       {
         "name": "comp_event",
-        "ordinal": 12,
+        "ordinal": 11,
         "type_info": "Bool"
       },
       {
         "name": "comp_todo",
-        "ordinal": 13,
+        "ordinal": 12,
         "type_info": "Bool"
       },
       {
         "name": "comp_journal",
-        "ordinal": 14,
+        "ordinal": 13,
         "type_info": "Bool"
       }
     ],
@@ -85,14 +80,13 @@
     "nullable": [
       false,
       false,
-      false,
-      true,
       true,
       false,
       true,
       true,
       true,
       true,
+      false,
       true,
       false,
       false,
@@ -100,5 +94,5 @@
       false
     ]
   },
-  "hash": "cce62f7829bd688cd8c7928b587bc31f0e50865c214b1df113350bea2c254237"
+  "hash": "27ac68a4eea40c1cac663cad034028cf6c373354b29e3a5290c18f58101913cd"
 }

.sqlx/query-46ae176a06e314492f661c28436d6370883052c854da43475d7ced60cf8326e3.json

@@ -0,0 +1,12 @@
+{
+  "db_name": "SQLite",
+  "query": "UPDATE calendars SET principal = ?, id = ?, displayname = ?, description = ?, \"order\" = ?, color = ?, timezone_id = ?, push_topic = ?, comp_event = ?, comp_todo = ?, comp_journal = ?\n                WHERE (principal, id) = (?, ?)",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Right": 13
+    },
+    "nullable": []
+  },
+  "hash": "46ae176a06e314492f661c28436d6370883052c854da43475d7ced60cf8326e3"
+}

.sqlx/query-5132ee8198f155242aa332a10019c48ec334884bcf7841c8aa03fd5eb11351d9.json

@@ -1,12 +0,0 @@
-{
-  "db_name": "SQLite",
-  "query": "INSERT INTO calendars (principal, id, displayname, description, \"order\", color, subscription_url, timezone, timezone_id, push_topic, comp_event, comp_todo, comp_journal)\n                VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)",
-  "describe": {
-    "columns": [],
-    "parameters": {
-      "Right": 13
-    },
-    "nullable": []
-  },
-  "hash": "5132ee8198f155242aa332a10019c48ec334884bcf7841c8aa03fd5eb11351d9"
-}

.sqlx/query-60b940ff493e7c0fcb2ffe8ae97172c6444525ffeec21b194bd7443d11d06113.json

@@ -0,0 +1,12 @@
+{
+  "db_name": "SQLite",
+  "query": "INSERT INTO calendars (principal, id, displayname, description, \"order\", color, subscription_url, timezone_id, push_topic, comp_event, comp_todo, comp_journal)\n                VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Right": 12
+    },
+    "nullable": []
+  },
+  "hash": "60b940ff493e7c0fcb2ffe8ae97172c6444525ffeec21b194bd7443d11d06113"
+}

.sqlx/query-bb2fa030f2e7c7afdb38c5c54cb31de5293be332d86cf643977d479999542553.json

@@ -39,43 +39,38 @@
         "type_info": "Text"
       },
       {
-        "name": "timezone",
+        "name": "timezone_id",
         "ordinal": 7,
         "type_info": "Text"
       },
-      {
-        "name": "timezone_id",
-        "ordinal": 8,
-        "type_info": "Text"
-      },
       {
         "name": "deleted_at",
-        "ordinal": 9,
+        "ordinal": 8,
         "type_info": "Datetime"
       },
       {
         "name": "subscription_url",
-        "ordinal": 10,
+        "ordinal": 9,
         "type_info": "Text"
       },
       {
         "name": "push_topic",
-        "ordinal": 11,
+        "ordinal": 10,
         "type_info": "Text"
       },
       {
         "name": "comp_event",
-        "ordinal": 12,
+        "ordinal": 11,
         "type_info": "Bool"
       },
       {
         "name": "comp_todo",
-        "ordinal": 13,
+        "ordinal": 12,
         "type_info": "Bool"
       },
       {
         "name": "comp_journal",
-        "ordinal": 14,
+        "ordinal": 13,
         "type_info": "Bool"
       }
     ],
@@ -93,7 +88,6 @@
       true,
       true,
       true,
-      true,
       false,
       false,
       false,

.sqlx/query-cedfb82b38fdd0c7681b9873b1008abee4a2f4ca16abad1b837f256d0bf416b1.json

@@ -39,43 +39,38 @@
         "type_info": "Text"
       },
       {
-        "name": "timezone",
+        "name": "timezone_id",
         "ordinal": 7,
         "type_info": "Text"
       },
-      {
-        "name": "timezone_id",
-        "ordinal": 8,
-        "type_info": "Text"
-      },
       {
         "name": "deleted_at",
-        "ordinal": 9,
+        "ordinal": 8,
         "type_info": "Datetime"
       },
       {
         "name": "subscription_url",
-        "ordinal": 10,
+        "ordinal": 9,
         "type_info": "Text"
       },
       {
         "name": "push_topic",
-        "ordinal": 11,
+        "ordinal": 10,
         "type_info": "Text"
       },
       {
         "name": "comp_event",
-        "ordinal": 12,
+        "ordinal": 11,
         "type_info": "Bool"
       },
       {
         "name": "comp_todo",
-        "ordinal": 13,
+        "ordinal": 12,
         "type_info": "Bool"
       },
       {
         "name": "comp_journal",
-        "ordinal": 14,
+        "ordinal": 13,
         "type_info": "Bool"
       }
     ],
@@ -93,7 +88,6 @@
       true,
       true,
       true,
-      true,
       false,
       false,
       false,

.sqlx/query-d65c9c40606e59dd816a51b9b9ac60fd2ff81aaa358fcc038134e9a68ba45ad7.json

@@ -1,12 +0,0 @@
-{
-  "db_name": "SQLite",
-  "query": "UPDATE calendars SET principal = ?, id = ?, displayname = ?, description = ?, \"order\" = ?, color = ?, timezone = ?, timezone_id = ?, push_topic = ?, comp_event = ?, comp_todo = ?, comp_journal = ?\n                WHERE (principal, id) = (?, ?)",
-  "describe": {
-    "columns": [],
-    "parameters": {
-      "Right": 14
-    },
-    "nullable": []
-  },
-  "hash": "d65c9c40606e59dd816a51b9b9ac60fd2ff81aaa358fcc038134e9a68ba45ad7"
-}

Cargo.toml

@@ -2,7 +2,7 @@
 members = ["crates/*"]
 
 [workspace.package]
-version = "0.6.5"
+version = "0.8.3"
 edition = "2024"
 description = "A CalDAV server"
 repository = "https://github.com/lennart-k/rustical"
@@ -95,8 +95,12 @@ strum = "0.27"
 strum_macros = "0.27"
 serde_json = { version = "1.0", features = ["raw_value"] }
 sqlx-sqlite = { version = "0.8", features = ["bundled"] }
-ical = { version = "0.11", features = ["generator", "serde"] }
-toml = "0.8"
+ical = { git = "https://github.com/lennart-k/ical-rs", features = [
+  "generator",
+  "serde",
+  "chrono-tz",
+] }
+toml = "0.9"
 tower = "0.5"
 tower-http = { version = "0.6", features = [
   "trace",
@@ -126,7 +130,7 @@ syn = { version = "2.0", features = ["full"] }
 quote = "1.0"
 proc-macro2 = "1.0"
 heck = "0.5"
-darling = "0.20"
+darling = "0.21"
 reqwest = { version = "0.12", features = [
   "rustls-tls",
   "charset",
@@ -135,6 +139,7 @@ reqwest = { version = "0.12", features = [
 openidconnect = "4.0"
 clap = { version = "4.5", features = ["derive", "env"] }
 matchit-serde = { git = "https://github.com/lennart-k/matchit-serde", rev = "f0591d13" }
+vtimezones-rs = "0.2"
 ece = { version = "2.3", default-features = false, features = [
   "backend-openssl",
 ] }

compose.oidc.yml

@@ -0,0 +1,22 @@
+services:
+  rustical:
+    image: ghcr.io/lennart-k/rustical:latest
+    restart: unless-stopped
+    environment:
+      RUSTICAL_FRONTEND__ALLOW_PASSWORD_LOGIN: "false"
+      RUSTICAL_OIDC__NAME: "Authelia"
+      RUSTICAL_OIDC__ISSUER: "https://auth.example.com"
+      RUSTICAL_OIDC__CLIENT_ID: "{{ rustical_oidc_client_id }}"
+      RUSTICAL_OIDC__CLIENT_SECRET: "{{ rustical_oidc_client_secret }}"
+      RUSTICAL_OIDC__CLAIM_USERID: "preferred_username"
+      RUSTICAL_OIDC__SCOPES: '["openid", "profile", "groups"]'
+      RUSTICAL_OIDC__REQUIRE_GROUP: "app:rustical" # optional
+      RUSTICAL_OIDC__ALLOW_SIGN_UP: "true"
+    volumes:
+      - data:/var/lib/rustical
+    # Here you probably want to you expose instead
+    ports:
+      - 4000:4000
+
+volumes:
+  data:

crates/caldav/Cargo.toml

@@ -11,6 +11,7 @@ publish = false
 rustical_store_sqlite = { workspace = true, features = ["test"] }
 rstest.workspace = true
 async-std.workspace = true
+serde_json.workspace = true
 
 [dependencies]
 axum.workspace = true
@@ -42,3 +43,4 @@ headers.workspace = true
 tower-http.workspace = true
 strum.workspace = true
 strum_macros.workspace = true
+vtimezones-rs.workspace = true

crates/caldav/src/calendar/methods/get.rs

@@ -63,7 +63,6 @@ pub async fn route_get<C: CalendarStore, S: SubscriptionStore>(
             params: None,
         });
     }
-    let mut ical_calendar = ical_calendar_builder.build();
 
     for object in &objects {
         match object.get_data() {
@@ -73,17 +72,21 @@ pub async fn route_get<C: CalendarStore, S: SubscriptionStore>(
                 ..
             }) => {
                 timezones.extend(object_timezones);
-                ical_calendar.events.push(event.clone());
+                ical_calendar_builder = ical_calendar_builder.add_event(event.clone());
             }
-            CalendarObjectComponent::Todo(TodoObject { todo, .. }) => {
-                ical_calendar.todos.push(todo.clone());
+            CalendarObjectComponent::Todo(TodoObject(todo)) => {
+                ical_calendar_builder = ical_calendar_builder.add_todo(todo.clone());
             }
-            CalendarObjectComponent::Journal(JournalObject { journal, .. }) => {
-                ical_calendar.journals.push(journal.clone());
+            CalendarObjectComponent::Journal(JournalObject(journal)) => {
+                ical_calendar_builder = ical_calendar_builder.add_journal(journal.clone());
             }
         }
     }
 
+    let ical_calendar = ical_calendar_builder
+        .build()
+        .map_err(|parser_error| Error::IcalError(parser_error.into()))?;
+
     let mut resp = Response::builder().status(StatusCode::OK);
     let hdrs = resp.headers_mut().unwrap();
     hdrs.typed_insert(ContentType::from_str("text/calendar").unwrap());

crates/caldav/src/calendar/methods/mkcalendar.rs

@@ -4,6 +4,7 @@ use crate::calendar::prop::SupportedCalendarComponentSet;
 use axum::extract::{Path, State};
 use axum::response::{IntoResponse, Response};
 use http::{Method, StatusCode};
+use ical::IcalParser;
 use rustical_dav::xml::HrefElement;
 use rustical_ical::CalendarObjectType;
 use rustical_store::auth::Principal;
@@ -82,13 +83,38 @@ pub async fn route_mkcalendar<C: CalendarStore, S: SubscriptionStore>(
         request.displayname = None
     }
 
+    let timezone_id = if let Some(tzid) = request.calendar_timezone_id {
+        Some(tzid)
+    } else if let Some(tz) = request.calendar_timezone {
+        // TODO: Proper error (calendar-timezone precondition)
+        let calendar = IcalParser::new(tz.as_bytes())
+            .next()
+            .ok_or(rustical_dav::Error::BadRequest(
+                "No timezone data provided".to_owned(),
+            ))?
+            .map_err(|_| rustical_dav::Error::BadRequest("No timezone data provided".to_owned()))?;
+
+        let timezone = calendar
+            .timezones
+            .first()
+            .ok_or(rustical_dav::Error::BadRequest(
+                "No timezone data provided".to_owned(),
+            ))?;
+        let timezone: chrono_tz::Tz = timezone
+            .try_into()
+            .map_err(|_| rustical_dav::Error::BadRequest("No timezone data provided".to_owned()))?;
+
+        Some(timezone.name().to_owned())
+    } else {
+        None
+    };
+
     let calendar = Calendar {
         id: cal_id.to_owned(),
         principal: principal.to_owned(),
         order: request.calendar_order.unwrap_or(0),
         displayname: request.displayname,
-        timezone: request.calendar_timezone,
-        timezone_id: request.calendar_timezone_id,
+        timezone_id,
         color: request.calendar_color,
         description: request.calendar_description,
         deleted_at: None,

crates/caldav/src/calendar/mod.rs

@@ -4,3 +4,6 @@ pub mod resource;
 mod service;
 
 pub use service::CalendarResourceService;
+
+#[cfg(test)]
+pub mod tests;

crates/caldav/src/calendar/resource.rs

@@ -3,6 +3,7 @@ use crate::Error;
 use crate::calendar::prop::ReportMethod;
 use chrono::{DateTime, Utc};
 use derive_more::derive::{From, Into};
+use ical::IcalParser;
 use rustical_dav::extensions::{
     CommonPropertiesExtension, CommonPropertiesProp, SyncTokenExtension, SyncTokenExtensionProp,
 };
@@ -15,7 +16,7 @@ use rustical_store::Calendar;
 use rustical_store::auth::Principal;
 use rustical_xml::{EnumVariants, PropName};
 use rustical_xml::{XmlDeserialize, XmlSerialize};
-use std::str::FromStr;
+use serde::Deserialize;
 
 #[derive(XmlDeserialize, XmlSerialize, PartialEq, Clone, EnumVariants, PropName)]
 #[xml(unit_variants_ident = "CalendarPropName")]
@@ -62,7 +63,7 @@ pub enum CalendarPropWrapper {
     Common(CommonPropertiesProp),
 }
 
-#[derive(Clone, Debug, From, Into)]
+#[derive(Clone, Debug, From, Into, Deserialize)]
 pub struct CalendarResource {
     pub cal: Calendar,
     pub read_only: bool,
@@ -133,7 +134,9 @@ impl Resource for CalendarResource {
                     CalendarProp::CalendarDescription(self.cal.description.clone())
                 }
                 CalendarPropName::CalendarTimezone => {
-                    CalendarProp::CalendarTimezone(self.cal.timezone.clone())
+                    CalendarProp::CalendarTimezone(self.cal.timezone_id.as_ref().and_then(|tzid| {
+                        vtimezones_rs::VTIMEZONES.get(tzid).map(|tz| tz.to_string())
+                    }))
                 }
                 // chrono_tz uses the IANA database
                 CalendarPropName::TimezoneServiceSet => CalendarProp::TimezoneServiceSet(
@@ -192,18 +195,42 @@ impl Resource for CalendarResource {
                     Ok(())
                 }
                 CalendarProp::CalendarTimezone(timezone) => {
-                    // TODO: Ensure that timezone-id is also updated
-                    self.cal.timezone = timezone;
+                    if let Some(tz) = timezone {
+                        // TODO: Proper error (calendar-timezone precondition)
+                        let calendar = IcalParser::new(tz.as_bytes())
+                            .next()
+                            .ok_or(rustical_dav::Error::BadRequest(
+                                "No timezone data provided".to_owned(),
+                            ))?
+                            .map_err(|_| {
+                                rustical_dav::Error::BadRequest(
+                                    "No timezone data provided".to_owned(),
+                                )
+                            })?;
+
+                        let timezone =
+                            calendar
+                                .timezones
+                                .first()
+                                .ok_or(rustical_dav::Error::BadRequest(
+                                    "No timezone data provided".to_owned(),
+                                ))?;
+                        let timezone: chrono_tz::Tz = timezone.try_into().map_err(|_| {
+                            rustical_dav::Error::BadRequest("No timezone data provided".to_owned())
+                        })?;
+
+                        self.cal.timezone_id = Some(timezone.name().to_owned());
+                    }
                     Ok(())
                 }
                 CalendarProp::TimezoneServiceSet(_) => Err(rustical_dav::Error::PropReadOnly),
                 CalendarProp::CalendarTimezoneId(timezone_id) => {
                     if let Some(tzid) = &timezone_id {
-                        // Validate timezone id
-                        chrono_tz::Tz::from_str(tzid).map_err(|_| {
-                            rustical_dav::Error::BadRequest(format!("Invalid timezone-id: {tzid}"))
-                        })?;
-                        // TODO: Ensure that timezone is also updated (For now hope that clients play nice)
+                        if !vtimezones_rs::VTIMEZONES.contains_key(tzid) {
+                            return Err(rustical_dav::Error::BadRequest(format!(
+                                "Invalid timezone-id: {tzid}"
+                            )));
+                        }
                     }
                     self.cal.timezone_id = timezone_id;
                     Ok(())
@@ -244,15 +271,11 @@ impl Resource for CalendarResource {
                     self.cal.description = None;
                     Ok(())
                 }
-                CalendarPropName::CalendarTimezone => {
-                    self.cal.timezone = None;
-                    Ok(())
-                }
-                CalendarPropName::TimezoneServiceSet => Err(rustical_dav::Error::PropReadOnly),
-                CalendarPropName::CalendarTimezoneId => {
+                CalendarPropName::CalendarTimezone | CalendarPropName::CalendarTimezoneId => {
                     self.cal.timezone_id = None;
                     Ok(())
                 }
+                CalendarPropName::TimezoneServiceSet => Err(rustical_dav::Error::PropReadOnly),
                 CalendarPropName::CalendarOrder => {
                     self.cal.order = 0;
                     Ok(())
@@ -305,3 +328,15 @@ impl Resource for CalendarResource {
         ))
     }
 }
+
+#[cfg(test)]
+mod tests {
+    #[test]
+    fn test_tzdb_version() {
+        // Ensure that both chrono_tz and vzic_rs use the same tzdb version
+        assert_eq!(
+            chrono_tz::IANA_TZDB_VERSION,
+            vtimezones_rs::IANA_TZDB_VERSION
+        );
+    }
+}

crates/caldav/src/calendar/test_files/propfind.outputs

@@ -0,0 +1,222 @@
+<?xml version="1.0" encoding="utf-8"?>
+<response xmlns:CS="http://calendarserver.org/ns/" xmlns:CARD="urn:ietf:params:xml:ns:carddav" xmlns:CAL="urn:ietf:params:xml:ns:caldav" xmlns="DAV:" xmlns:PUSH="https://bitfire.at/webdav-push">
+    <href>/caldav/principal/user/calendar/</href>
+    <propstat>
+        <prop>
+            <calendar-color xmlns="http://apple.com/ns/ical/"/>
+            <calendar-description xmlns="urn:ietf:params:xml:ns:caldav"/>
+            <calendar-timezone xmlns="urn:ietf:params:xml:ns:caldav"/>
+            <timezone-service-set xmlns="urn:ietf:params:xml:ns:caldav"/>
+            <calendar-timezone-id xmlns="urn:ietf:params:xml:ns:caldav"/>
+            <calendar-order xmlns="http://apple.com/ns/ical/"/>
+            <supported-calendar-component-set xmlns="urn:ietf:params:xml:ns:caldav"/>
+            <supported-calendar-data xmlns="urn:ietf:params:xml:ns:caldav"/>
+            <max-resource-size xmlns="DAV:"/>
+            <supported-report-set xmlns="DAV:"/>
+            <source xmlns="http://calendarserver.org/ns/"/>
+            <min-date-time xmlns="urn:ietf:params:xml:ns:caldav"/>
+            <max-date-time xmlns="urn:ietf:params:xml:ns:caldav"/>
+            <sync-token xmlns="DAV:"/>
+            <getctag xmlns="http://calendarserver.org/ns/"/>
+            <transports xmlns="https://bitfire.at/webdav-push"/>
+            <topic xmlns="https://bitfire.at/webdav-push"/>
+            <supported-triggers xmlns="https://bitfire.at/webdav-push"/>
+            <resourcetype xmlns="DAV:"/>
+            <displayname xmlns="DAV:"/>
+            <current-user-principal xmlns="DAV:"/>
+            <current-user-privilege-set xmlns="DAV:"/>
+            <owner xmlns="DAV:"/>
+        </prop>
+        <status>HTTP/1.1 200 OK</status>
+    </propstat>
+</response>
+
+
+<?xml version="1.0" encoding="utf-8"?>
+<response xmlns:CS="http://calendarserver.org/ns/" xmlns:CARD="urn:ietf:params:xml:ns:carddav" xmlns:CAL="urn:ietf:params:xml:ns:caldav" xmlns="DAV:" xmlns:PUSH="https://bitfire.at/webdav-push">
+    <href>/caldav/principal/user/calendar/</href>
+    <propstat>
+        <prop>
+            <CAL:calendar-timezone>BEGIN:VCALENDAR
+PRODID:-//github.com/lennart-k/vzic-rs//RustiCal Calendar server//EN
+VERSION:2.0
+BEGIN:VTIMEZONE
+TZID:Europe/Berlin
+LAST-MODIFIED:20250723T190331Z
+X-LIC-LOCATION:Europe/Berlin
+X-PROLEPTIC-TZNAME:LMT
+BEGIN:STANDARD
+TZNAME:CET
+TZOFFSETFROM:+005328
+TZOFFSETTO:+0100
+DTSTART:18930401T000000
+END:STANDARD
+BEGIN:DAYLIGHT
+TZNAME:CEST
+TZOFFSETFROM:+0100
+TZOFFSETTO:+0200
+DTSTART:19160430T230000
+RDATE:19400401T020000
+RDATE:19430329T020000
+RDATE:19460414T020000
+RDATE:19470406T030000
+RDATE:19480418T020000
+RDATE:19490410T020000
+RDATE:19800406T020000
+END:DAYLIGHT
+BEGIN:STANDARD
+TZNAME:CET
+TZOFFSETFROM:+0200
+TZOFFSETTO:+0100
+DTSTART:19161001T010000
+RDATE:19421102T030000
+RDATE:19431004T030000
+RDATE:19441002T030000
+RDATE:19451118T030000
+RDATE:19461007T030000
+END:STANDARD
+BEGIN:DAYLIGHT
+TZNAME:CEST
+TZOFFSETFROM:+0100
+TZOFFSETTO:+0200
+DTSTART:19170416T020000
+RRULE:FREQ=YEARLY;BYMONTH=4;BYDAY=3MO;UNTIL=19180415T010000Z
+END:DAYLIGHT
+BEGIN:STANDARD
+TZNAME:CET
+TZOFFSETFROM:+0200
+TZOFFSETTO:+0100
+DTSTART:19170917T030000
+RRULE:FREQ=YEARLY;BYMONTH=9;BYDAY=3MO;UNTIL=19180916T010000Z
+END:STANDARD
+BEGIN:DAYLIGHT
+TZNAME:CEST
+TZOFFSETFROM:+0100
+TZOFFSETTO:+0200
+DTSTART:19440403T020000
+RRULE:FREQ=YEARLY;BYMONTH=4;BYDAY=1MO;UNTIL=19450402T010000Z
+END:DAYLIGHT
+BEGIN:DAYLIGHT
+TZNAME:CEMT
+TZOFFSETFROM:+0200
+TZOFFSETTO:+0300
+DTSTART:19450524T020000
+RDATE:19470511T030000
+END:DAYLIGHT
+BEGIN:DAYLIGHT
+TZNAME:CEST
+TZOFFSETFROM:+0300
+TZOFFSETTO:+0200
+DTSTART:19450924T030000
+RDATE:19470629T030000
+END:DAYLIGHT
+BEGIN:STANDARD
+TZNAME:CET
+TZOFFSETFROM:+0100
+TZOFFSETTO:+0100
+DTSTART:19460101T000000
+RDATE:19800101T000000
+END:STANDARD
+BEGIN:STANDARD
+TZNAME:CET
+TZOFFSETFROM:+0200
+TZOFFSETTO:+0100
+DTSTART:19471005T030000
+RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=1SU;UNTIL=19491002T010000Z
+END:STANDARD
+BEGIN:STANDARD
+TZNAME:CET
+TZOFFSETFROM:+0200
+TZOFFSETTO:+0100
+DTSTART:19800928T030000
+RRULE:FREQ=YEARLY;BYMONTH=9;BYDAY=-1SU;UNTIL=19950924T010000Z
+END:STANDARD
+BEGIN:DAYLIGHT
+TZNAME:CEST
+TZOFFSETFROM:+0100
+TZOFFSETTO:+0200
+DTSTART:19810329T020000
+RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU
+END:DAYLIGHT
+BEGIN:STANDARD
+TZNAME:CET
+TZOFFSETFROM:+0200
+TZOFFSETTO:+0100
+DTSTART:19961027T030000
+RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU
+END:STANDARD
+END:VTIMEZONE
+END:VCALENDAR
+</CAL:calendar-timezone>
+            <CAL:timezone-service-set>
+                <href>https://www.iana.org/time-zones</href>
+            </CAL:timezone-service-set>
+            <CAL:calendar-timezone-id>Europe/Berlin</CAL:calendar-timezone-id>
+            <calendar-order xmlns="http://apple.com/ns/ical/">0</calendar-order>
+            <CAL:supported-calendar-component-set>
+                <CAL:comp name="VEVENT"/>
+                <CAL:comp name="VTODO"/>
+            </CAL:supported-calendar-component-set>
+            <CAL:supported-calendar-data>
+                <CAL:calendar-data content-type="text/calendar" version="2.0"/>
+            </CAL:supported-calendar-data>
+            <max-resource-size>10000000</max-resource-size>
+            <supported-report-set>
+                <supported-report>
+                    <report>
+                        <CAL:calendar-query/>
+                    </report>
+                </supported-report>
+                <supported-report>
+                    <report>
+                        <CAL:calendar-multiget/>
+                    </report>
+                </supported-report>
+                <supported-report>
+                    <report>
+                        <sync-collection/>
+                    </report>
+                </supported-report>
+            </supported-report-set>
+            <CAL:min-date-time>-2621430101T000000Z</CAL:min-date-time>
+            <CAL:max-date-time>+2621421231T235959Z</CAL:max-date-time>
+            <sync-token>github.com/lennart-k/rustical/ns/12</sync-token>
+            <CS:getctag>github.com/lennart-k/rustical/ns/12</CS:getctag>
+            <PUSH:transports>
+                <PUSH:web-push/>
+            </PUSH:transports>
+            <PUSH:topic>b28b41e9-8801-4fc5-ae29-8efb5fadeb36</PUSH:topic>
+            <PUSH:supported-triggers>
+                <PUSH:content-update>
+                    <depth>1</depth>
+                </PUSH:content-update>
+                <PUSH:property-update>
+                    <depth>1</depth>
+                </PUSH:property-update>
+            </PUSH:supported-triggers>
+            <resourcetype>
+                <collection/>
+                <CAL:calendar/>
+            </resourcetype>
+            <displayname>Calendar</displayname>
+            <current-user-principal>
+                <href>/caldav/principal/user/</href>
+            </current-user-principal>
+            <current-user-privilege-set>
+                <privilege>
+                    <read/>
+                </privilege>
+                <privilege>
+                    <read-acl/>
+                </privilege>
+                <privilege>
+                    <read-current-user-privilege-set/>
+                </privilege>
+            </current-user-privilege-set>
+            <owner>
+                <href>/caldav/principal/user/</href>
+            </owner>
+        </prop>
+        <status>HTTP/1.1 200 OK</status>
+    </propstat>
+</response>

crates/caldav/src/calendar/test_files/propfind.principals.json

@@ -0,0 +1,11 @@
+[
+  {
+    "id": "user",
+    "displayname": null,
+    "principal_type": "individual",
+    "password": null,
+    "memberships": [
+      "group"
+    ]
+  }
+]

crates/caldav/src/calendar/test_files/propfind.requests

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<propfind xmlns="DAV:"><propname/></propfind>
+
+
+<?xml version="1.0" encoding="UTF-8"?>
+<propfind xmlns="DAV:"><allprop/></propfind>

crates/caldav/src/calendar/test_files/propfind.resources.json

@@ -0,0 +1,42 @@
+[
+  {
+    "cal": {
+      "principal": "user",
+      "id": "calendar",
+      "displayname": "Calendar",
+      "order": 0,
+      "description": null,
+      "color": null,
+      "timezone_id": "Europe/Berlin",
+      "deleted_at": null,
+      "synctoken": 12,
+      "subscription_url": null,
+      "push_topic": "b28b41e9-8801-4fc5-ae29-8efb5fadeb36",
+      "components": [
+        "VEVENT",
+        "VTODO"
+      ]
+    },
+    "read_only": true
+  },
+  {
+    "cal": {
+      "principal": "user",
+      "id": "calendar",
+      "displayname": "Calendar",
+      "order": 0,
+      "description": null,
+      "color": null,
+      "timezone_id": "Europe/Berlin",
+      "deleted_at": null,
+      "synctoken": 12,
+      "subscription_url": null,
+      "push_topic": "b28b41e9-8801-4fc5-ae29-8efb5fadeb36",
+      "components": [
+        "VEVENT",
+        "VTODO"
+      ]
+    },
+    "read_only": true
+  }
+]

crates/caldav/src/calendar/tests.rs

@@ -0,0 +1,47 @@
+use crate::{CalDavPrincipalUri, calendar::resource::CalendarResource};
+use rustical_dav::resource::Resource;
+use rustical_store::auth::Principal;
+use rustical_xml::XmlSerializeRoot;
+use serde_json::from_str;
+
+// #[tokio::test]
+async fn test_propfind() {
+    let requests: Vec<_> = include_str!("./test_files/propfind.requests")
+        .trim()
+        .split("\n\n")
+        .collect();
+    let principals: Vec<Principal> =
+        from_str(include_str!("./test_files/propfind.principals.json")).unwrap();
+    let resources: Vec<CalendarResource> =
+        from_str(include_str!("./test_files/propfind.resources.json")).unwrap();
+    let outputs: Vec<_> = include_str!("./test_files/propfind.outputs")
+        .trim()
+        .split("\n\n")
+        .collect();
+
+    for principal in principals {
+        for ((request, resource), &expected_output) in requests.iter().zip(&resources).zip(&outputs)
+        {
+            let propfind = CalendarResource::parse_propfind(request).unwrap();
+
+            let response = resource
+                .propfind(
+                    &format!("/caldav/principal/{}/{}", principal.id, resource.cal.id),
+                    &propfind.prop,
+                    propfind.include.as_ref(),
+                    &CalDavPrincipalUri("/caldav"),
+                    &principal,
+                )
+                .unwrap();
+            let expected_output = expected_output.trim();
+            let output = response
+                .serialize_to_string()
+                .unwrap()
+                .trim()
+                .replace("\r\n", "\n");
+            println!("{output}");
+            println!("{}, {} \n\n\n", output.len(), expected_output.len());
+            assert_eq!(output, expected_output);
+        }
+    }
+}

crates/caldav/src/calendar_object/methods.rs

@@ -78,12 +78,13 @@ pub async fn put_event<C: CalendarStore>(
         true
     };
 
-    let object = match CalendarObject::from_ics(object_id, body) {
+    let object = match CalendarObject::from_ics(body) {
         Ok(obj) => obj,
         Err(_) => {
             return Err(Error::PreconditionFailed(Precondition::ValidCalendarData));
         }
     };
+    assert_eq!(object.get_id(), object_id);
     cal_store
         .put_object(principal, calendar_id, object, overwrite)
         .await?;

crates/caldav/src/principal/mod.rs

@@ -121,7 +121,7 @@ impl Resource for PrincipalResource {
     }
 
     fn get_user_privileges(&self, user: &Principal) -> Result<UserPrivilegeSet, Self::Error> {
-        Ok(UserPrivilegeSet::owner_read(
+        Ok(UserPrivilegeSet::owner_only(
             user.is_principal(&self.principal.id),
         ))
     }

crates/caldav/src/principal/tests.rs

@@ -1,14 +1,19 @@
 use std::sync::Arc;
 
-use crate::principal::PrincipalResourceService;
+use crate::{
+    CalDavPrincipalUri,
+    principal::{PrincipalResource, PrincipalResourceService},
+};
 use rstest::rstest;
-use rustical_dav::resource::ResourceService;
+use rustical_dav::resource::{Resource, ResourceService};
+use rustical_store::auth::{Principal, PrincipalType::Individual};
 use rustical_store_sqlite::{
     SqliteStore,
     calendar_store::SqliteCalendarStore,
     principal_store::SqlitePrincipalStore,
     tests::{get_test_calendar_store, get_test_principal_store, get_test_subscription_store},
 };
+use rustical_xml::XmlSerializeRoot;
 
 #[rstest]
 #[tokio::test]
@@ -44,4 +49,35 @@ async fn test_principal_resource(
 }
 
 #[tokio::test]
-async fn test_propfind() {}
+async fn test_propfind() {
+    let propfind = PrincipalResource::parse_propfind(
+        r#"<?xml version="1.0" encoding="UTF-8"?><propfind xmlns="DAV:"><allprop/></propfind>"#,
+    )
+    .unwrap();
+
+    let principal = Principal {
+        id: "user".to_string(),
+        displayname: None,
+        principal_type: Individual,
+        password: None,
+        memberships: vec!["group".to_string()],
+    };
+
+    let resource = PrincipalResource {
+        principal: principal.clone(),
+        members: vec![],
+        simplified_home_set: false,
+    };
+
+    let response = resource
+        .propfind(
+            &format!("/caldav/principal/{}", principal.id),
+            &propfind.prop,
+            propfind.include.as_ref(),
+            &CalDavPrincipalUri("/caldav"),
+            &principal,
+        )
+        .unwrap();
+
+    let output = response.serialize_to_string().unwrap();
+}

crates/dav/src/privileges.rs

@@ -1,9 +1,10 @@
+use itertools::Itertools;
 use quick_xml::name::Namespace;
 use rustical_xml::{XmlDeserialize, XmlSerialize};
 use std::collections::{HashMap, HashSet};
 
 // https://datatracker.ietf.org/doc/html/rfc3744
-#[derive(Debug, Clone, XmlSerialize, XmlDeserialize, Eq, Hash, PartialEq)]
+#[derive(Debug, Clone, XmlSerialize, XmlDeserialize, Eq, Hash, PartialEq, PartialOrd, Ord)]
 pub enum UserPrivilege {
     Read,
     Write,
@@ -30,7 +31,7 @@ impl XmlSerialize for UserPrivilegeSet {
         }
 
         FakeUserPrivilegeSet {
-            privileges: self.privileges.iter().cloned().collect(),
+            privileges: self.privileges.iter().cloned().sorted().collect(),
         }
         .serialize(ns, tag, namespaces, writer)
     }

crates/dav/src/resource/methods/propfind.rs

@@ -6,11 +6,7 @@ use crate::resource::Resource;
 use crate::resource::ResourceName;
 use crate::resource::ResourceService;
 use crate::xml::MultistatusElement;
-use crate::xml::PropfindElement;
-use crate::xml::PropfindType;
 use axum::extract::{Extension, OriginalUri, Path, State};
-use rustical_xml::PropName;
-use rustical_xml::XmlDocument;
 use tracing::instrument;
 
 type RSMultistatus<R> = MultistatusElement<
@@ -58,24 +54,8 @@ pub(crate) async fn route_propfind<R: ResourceService>(
     }
 
     // A request body is optional. If empty we MUST return all props
-    let propfind_self: PropfindElement<<<R::Resource as Resource>::Prop as PropName>::Names> =
-        if !body.is_empty() {
-            PropfindElement::parse_str(body).map_err(Error::XmlError)?
-        } else {
-            PropfindElement {
-                prop: PropfindType::Allprop,
-                include: None,
-            }
-        };
-    let propfind_member: PropfindElement<<<R::MemberType as Resource>::Prop as PropName>::Names> =
-        if !body.is_empty() {
-            PropfindElement::parse_str(body).map_err(Error::XmlError)?
-        } else {
-            PropfindElement {
-                prop: PropfindType::Allprop,
-                include: None,
-            }
-        };
+    let propfind_self = R::Resource::parse_propfind(body).map_err(Error::XmlError)?;
+    let propfind_member = R::MemberType::parse_propfind(body).map_err(Error::XmlError)?;
 
     let mut member_responses = Vec::new();
     if depth != &Depth::Zero {

crates/dav/src/resource/mod.rs

@@ -1,15 +1,16 @@
 use crate::Principal;
 use crate::privileges::UserPrivilegeSet;
 use crate::xml::multistatus::{PropTagWrapper, PropstatElement, PropstatWrapper};
-use crate::xml::{PropElement, PropfindType, Resourcetype};
+use crate::xml::{PropElement, PropfindElement, PropfindType, Resourcetype};
 use crate::xml::{TagList, multistatus::ResponseElement};
 use headers::{ETag, IfMatch, IfNoneMatch};
 use http::StatusCode;
 use itertools::Itertools;
 use quick_xml::name::Namespace;
 pub use resource_service::ResourceService;
-use rustical_xml::{EnumVariants, NamespaceOwned, PropName, XmlDeserialize, XmlSerialize};
-use std::collections::HashSet;
+use rustical_xml::{
+    EnumVariants, NamespaceOwned, PropName, XmlDeserialize, XmlDocument, XmlSerialize,
+};
 use std::str::FromStr;
 
 mod axum_methods;
@@ -102,6 +103,19 @@ pub trait Resource: Clone + Send + 'static {
         principal: &Self::Principal,
     ) -> Result<UserPrivilegeSet, Self::Error>;
 
+    fn parse_propfind(
+        body: &str,
+    ) -> Result<PropfindElement<<Self::Prop as PropName>::Names>, rustical_xml::XmlError> {
+        if !body.is_empty() {
+            PropfindElement::parse_str(body)
+        } else {
+            Ok(PropfindElement {
+                prop: PropfindType::Allprop,
+                include: None,
+            })
+        }
+    }
+
     fn propfind(
         &self,
         path: &str,
@@ -116,7 +130,7 @@ pub trait Resource: Clone + Send + 'static {
             path.push('/');
         }
 
-        let (mut props, mut invalid_props): (HashSet<<Self::Prop as PropName>::Names>, Vec<_>) =
+        let (mut props, mut invalid_props): (Vec<<Self::Prop as PropName>::Names>, Vec<_>) =
             match prop {
                 PropfindType::Propname => {
                     let props = Self::list_props()
@@ -141,7 +155,7 @@ pub trait Resource: Clone + Send + 'static {
                     vec![],
                 ),
                 PropfindType::Prop(PropElement(valid_tags, invalid_tags)) => (
-                    valid_tags.iter().cloned().collect(),
+                    valid_tags.iter().unique().cloned().collect(),
                     invalid_tags.to_owned(),
                 ),
             };

crates/dav/src/xml/multistatus.rs

@@ -39,8 +39,15 @@ pub enum PropstatWrapper<T: XmlSerialize> {
 // RFC 2518
 // <!ELEMENT response (href, ((href*, status)|(propstat+)),
 // responsedescription?) >
-#[derive(XmlSerialize)]
-#[xml(ns = "crate::namespace::NS_DAV")]
+#[derive(XmlSerialize, XmlRootTag)]
+#[xml(ns = "crate::namespace::NS_DAV", root = b"response")]
+#[xml(ns_prefix(
+    crate::namespace::NS_DAV = b"",
+    crate::namespace::NS_CARDDAV = b"CARD",
+    crate::namespace::NS_CALDAV = b"CAL",
+    crate::namespace::NS_CALENDARSERVER = b"CS",
+    crate::namespace::NS_DAVPUSH = b"PUSH"
+))]
 pub struct ResponseElement<PropstatType: XmlSerialize> {
     pub href: String,
     #[xml(serialize_with = "xml_serialize_optional_status")]

crates/dav_push/Cargo.toml

@@ -24,7 +24,6 @@ rustical_dav.workspace = true
 rustical_store.workspace = true
 http.workspace = true
 base64.workspace = true
-rand.workspace = true
 ece.workspace = true
 axum.workspace = true
 openssl.workspace = true

crates/frontend/js-components/lib/create-addressbook-form.ts

@@ -1,7 +1,6 @@
 import { html, LitElement } from "lit";
 import { customElement, property } from "lit/decorators.js";
 import { Ref, createRef, ref } from 'lit/directives/ref.js';
-import { createClient } from "webdav";
 import { escapeXml } from ".";
 
 @customElement("create-addressbook-form")
@@ -15,14 +14,12 @@ export class CreateAddressbookForm extends LitElement {
     return this
   }
 
-  client = createClient("/carddav")
-
   @property()
   user: string = ''
   @property()
   principal: string = ''
   @property()
-  addr_id: string = ''
+  addr_id: string = self.crypto.randomUUID()
   @property()
   displayname: string = ''
   @property()
@@ -49,7 +46,7 @@ export class CreateAddressbookForm extends LitElement {
           <br>
           <label>
             id
-            <input type="text" name="id" @change=${e => this.addr_id = e.target.value} />
+            <input type="text" name="id" value=${this.addr_id} @change=${e => this.addr_id = e.target.value} />
           </label>
           <br>
           <label>
@@ -80,8 +77,12 @@ export class CreateAddressbookForm extends LitElement {
       alert("Empty displayname")
       return
     }
-    await this.client.createDirectory(`/principal/${this.principal || this.user}/${this.addr_id}`, {
-      data: `
+    let response = await fetch(`/carddav/principal/${this.principal || this.user}/${this.addr_id}`, {
+      method: 'MKCOL',
+      headers: {
+        'Content-Type': 'application/xml'
+      },
+      body: `
       <mkcol xmlns="DAV:" xmlns:CARD="urn:ietf:params:xml:ns:carddav">
         <set>
           <prop>
@@ -91,7 +92,14 @@ export class CreateAddressbookForm extends LitElement {
         </set>
       </mkcol>
       `
+
     })
+
+    if (response.status >= 400) {
+      alert(`Error ${response.status}: ${await response.text()}`)
+      return null
+    }
+
     window.location.reload()
     return null
   }

crates/frontend/js-components/lib/create-calendar-form.ts

@@ -1,7 +1,6 @@
 import { html, LitElement } from "lit";
 import { customElement, property } from "lit/decorators.js";
 import { Ref, createRef, ref } from 'lit/directives/ref.js';
-import { createClient } from "webdav";
 import { escapeXml } from ".";
 
 @customElement("create-calendar-form")
@@ -14,19 +13,19 @@ export class CreateCalendarForm extends LitElement {
     return this
   }
 
-  client = createClient("/caldav")
-
   @property()
   user: string = ''
   @property()
   principal: string = ''
   @property()
-  cal_id: string = ''
+  cal_id: string = self.crypto.randomUUID()
   @property()
   displayname: string = ''
   @property()
   description: string = ''
   @property()
+  timezone_id: string = ''
+  @property()
   color: string = ''
   @property()
   isSubscription: boolean = false
@@ -38,7 +37,6 @@ export class CreateCalendarForm extends LitElement {
   dialog: Ref<HTMLDialogElement> = createRef()
   form: Ref<HTMLFormElement> = createRef()
 
-
   override render() {
     return html`
       <button @click=${() => this.dialog.value.showModal()}>Create calendar</button>
@@ -57,7 +55,7 @@ export class CreateCalendarForm extends LitElement {
           <br>
           <label>
             id
-            <input type="text" name="id" @change=${e => this.cal_id = e.target.value} />
+            <input type="text" name="id" value=${this.cal_id} @change=${e => this.cal_id = e.target.value} />
           </label>
           <br>
           <label>
@@ -65,6 +63,11 @@ export class CreateCalendarForm extends LitElement {
             <input type="text" name="displayname" value=${this.displayname} @change=${e => this.displayname = e.target.value} />
           </label>
           <br>
+          <label>
+            Timezone (optional)
+            <input type="text" name="timezone" .value=${this.timezone_id} @change=${e => this.timezone_id = e.target.value} />
+          </label>
+          <br>
           <label>
             Description
             <input type="text" name="description" @change=${e => this.description = e.target.value} />
@@ -119,12 +122,18 @@ export class CreateCalendarForm extends LitElement {
       alert("No calendar components selected")
       return
     }
-    await this.client.createDirectory(`/principal/${this.principal || this.user}/${this.cal_id}`, {
-      data: `
+
+    let response = await fetch(`/caldav/principal/${this.principal || this.user}/${this.cal_id}`, {
+      method: 'MKCOL',
+      headers: {
+        'Content-Type': 'application/xml'
+      },
+      body: `
       <mkcol xmlns="DAV:" xmlns:CAL="urn:ietf:params:xml:ns:caldav" xmlns:CS="http://calendarserver.org/ns/" xmlns:ICAL="http://apple.com/ns/ical/">
         <set>
           <prop>
             <displayname>${escapeXml(this.displayname)}</displayname>
+            ${this.timezone_id ? `<CAL:calendar-timezone-id>${escapeXml(this.timezone_id)}</CAL:calendar-timezone-id>` : ''}
             ${this.description ? `<CAL:calendar-description>${escapeXml(this.description)}</CAL:calendar-description>` : ''}
             ${this.color ? `<ICAL:calendar-color>${escapeXml(this.color)}</ICAL:calendar-color>` : ''}
             ${(this.isSubscription && this.subscriptionUrl) ? `<CS:source><href>${escapeXml(this.subscriptionUrl)}</href></CS:source>` : ''}
@@ -136,6 +145,11 @@ export class CreateCalendarForm extends LitElement {
       </mkcol>
       `
     })
+
+    if (response.status >= 400) {
+      alert(`Error ${response.status}: ${await response.text()}`)
+      return null
+    }
     window.location.reload()
     return null
   }

crates/frontend/js-components/lib/edit-addressbook-form.ts

@@ -63,7 +63,7 @@ export class EditAddressbookForm extends LitElement {
       alert("Empty displayname")
       return
     }
-    await fetch(`/carddav/principal/${this.principal}/${this.addr_id}`, {
+    let response = await fetch(`/carddav/principal/${this.principal}/${this.addr_id}`, {
       method: 'PROPPATCH',
       headers: {
         'Content-Type': 'application/xml'
@@ -85,6 +85,12 @@ export class EditAddressbookForm extends LitElement {
       `
 
     })
+
+    if (response.status >= 400) {
+      alert(`Error ${response.status}: ${await response.text()}`)
+      return null
+    }
+
     window.location.reload()
     return null
   }

crates/frontend/js-components/lib/edit-calendar-form.ts

@@ -23,6 +23,8 @@ export class EditCalendarForm extends LitElement {
   @property()
   description: string = ''
   @property()
+  timezone_id: string = ''
+  @property()
   color: string = ''
   @property({
     converter: {
@@ -47,6 +49,11 @@ export class EditCalendarForm extends LitElement {
             <input type="text" name="displayname" .value=${this.displayname} @change=${e => this.displayname = e.target.value} />
           </label>
           <br>
+          <label>
+            Timezone (optional)
+            <input type="text" name="timezone" .value=${this.timezone_id} @change=${e => this.timezone_id = e.target.value} />
+          </label>
+          <br>
           <label>
             Description
             <input type="text" name="description" .value=${this.description} @change=${e => this.description = e.target.value} />
@@ -90,7 +97,7 @@ export class EditCalendarForm extends LitElement {
       alert("No calendar components selected")
       return
     }
-    await fetch(`/caldav/principal/${this.principal}/${this.cal_id}`, {
+    let response = await fetch(`/caldav/principal/${this.principal}/${this.cal_id}`, {
       method: 'PROPPATCH',
       headers: {
         'Content-Type': 'application/xml'
@@ -100,6 +107,7 @@ export class EditCalendarForm extends LitElement {
         <set>
           <prop>
             <displayname>${escapeXml(this.displayname)}</displayname>
+            ${this.timezone_id ? `<CAL:calendar-timezone-id>${escapeXml(this.timezone_id)}</CAL:calendar-timezone-id>` : ''}
             ${this.description ? `<CAL:calendar-description>${escapeXml(this.description)}</CAL:calendar-description>` : ''}
             ${this.color ? `<ICAL:calendar-color>${escapeXml(this.color)}</ICAL:calendar-color>` : ''}
             <CAL:supported-calendar-component-set>
@@ -109,6 +117,7 @@ export class EditCalendarForm extends LitElement {
         </set>
         <remove>
           <prop>
+            ${!this.timezone_id ? `<CAL:calendar-timezone-id />` : ''}
             ${!this.description ? '<CAL:calendar-description />' : ''}
             ${!this.color ? '<ICAL:calendar-color />' : ''}
           </prop>
@@ -116,6 +125,12 @@ export class EditCalendarForm extends LitElement {
       </propertyupdate>
       `
     })
+
+    if (response.status >= 400) {
+      alert(`Error ${response.status}: ${await response.text()}`)
+      return null
+    }
+
     window.location.reload()
     return null
   }

crates/frontend/js-components/vite.config.ts

@@ -25,7 +25,7 @@ export default defineConfig({
         format: "es",
         manualChunks: {
           lit: ["lit"],
-          webdav: ["webdav"],
+          // webdav: ["webdav"],
         }
       }
     },

crates/frontend/public/assets/js/create-addressbook-form.mjs

@@ -1,7 +1,6 @@
 import { i, x } from "./lit-z6_uA4GX.mjs";
 import { n as n$1, t } from "./property-D0NJdseG.mjs";
 import { e, n, a as escapeXml } from "./index-b86iLJlP.mjs";
-import { a as an } from "./webdav-D0R7xCzX.mjs";
 var __defProp = Object.defineProperty;
 var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
 var __decorateClass = (decorators, target, key, kind) => {
@@ -15,10 +14,9 @@ var __decorateClass = (decorators, target, key, kind) => {
 let CreateAddressbookForm = class extends i {
   constructor() {
     super();
-    this.client = an("/carddav");
     this.user = "";
     this.principal = "";
-    this.addr_id = "";
+    this.addr_id = self.crypto.randomUUID();
     this.displayname = "";
     this.description = "";
     this.dialog = e();
@@ -45,7 +43,7 @@ let CreateAddressbookForm = class extends i {
           <br>
           <label>
             id
-            <input type="text" name="id" @change=${(e2) => this.addr_id = e2.target.value} />
+            <input type="text" name="id" value=${this.addr_id} @change=${(e2) => this.addr_id = e2.target.value} />
           </label>
           <br>
           <label>
@@ -79,8 +77,12 @@ let CreateAddressbookForm = class extends i {
       alert("Empty displayname");
       return;
     }
-    await this.client.createDirectory(`/principal/${this.principal || this.user}/${this.addr_id}`, {
-      data: `
+    let response = await fetch(`/carddav/principal/${this.principal || this.user}/${this.addr_id}`, {
+      method: "MKCOL",
+      headers: {
+        "Content-Type": "application/xml"
+      },
+      body: `
       <mkcol xmlns="DAV:" xmlns:CARD="urn:ietf:params:xml:ns:carddav">
         <set>
           <prop>
@@ -91,6 +93,10 @@ let CreateAddressbookForm = class extends i {
       </mkcol>
       `
     });
+    if (response.status >= 400) {
+      alert(`Error ${response.status}: ${await response.text()}`);
+      return null;
+    }
     window.location.reload();
     return null;
   }

crates/frontend/public/assets/js/create-calendar-form.mjs

@@ -1,7 +1,6 @@
 import { i, x } from "./lit-z6_uA4GX.mjs";
 import { n as n$1, t } from "./property-D0NJdseG.mjs";
 import { e, n, a as escapeXml } from "./index-b86iLJlP.mjs";
-import { a as an } from "./webdav-D0R7xCzX.mjs";
 var __defProp = Object.defineProperty;
 var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
 var __decorateClass = (decorators, target, key, kind) => {
@@ -15,12 +14,12 @@ var __decorateClass = (decorators, target, key, kind) => {
 let CreateCalendarForm = class extends i {
   constructor() {
     super();
-    this.client = an("/caldav");
     this.user = "";
     this.principal = "";
-    this.cal_id = "";
+    this.cal_id = self.crypto.randomUUID();
     this.displayname = "";
     this.description = "";
+    this.timezone_id = "";
     this.color = "";
     this.isSubscription = false;
     this.subscriptionUrl = "";
@@ -49,7 +48,7 @@ let CreateCalendarForm = class extends i {
           <br>
           <label>
             id
-            <input type="text" name="id" @change=${(e2) => this.cal_id = e2.target.value} />
+            <input type="text" name="id" value=${this.cal_id} @change=${(e2) => this.cal_id = e2.target.value} />
           </label>
           <br>
           <label>
@@ -57,6 +56,11 @@ let CreateCalendarForm = class extends i {
             <input type="text" name="displayname" value=${this.displayname} @change=${(e2) => this.displayname = e2.target.value} />
           </label>
           <br>
+          <label>
+            Timezone (optional)
+            <input type="text" name="timezone" .value=${this.timezone_id} @change=${(e2) => this.timezone_id = e2.target.value} />
+          </label>
+          <br>
           <label>
             Description
             <input type="text" name="description" @change=${(e2) => this.description = e2.target.value} />
@@ -114,12 +118,17 @@ let CreateCalendarForm = class extends i {
       alert("No calendar components selected");
       return;
     }
-    await this.client.createDirectory(`/principal/${this.principal || this.user}/${this.cal_id}`, {
-      data: `
+    let response = await fetch(`/caldav/principal/${this.principal || this.user}/${this.cal_id}`, {
+      method: "MKCOL",
+      headers: {
+        "Content-Type": "application/xml"
+      },
+      body: `
       <mkcol xmlns="DAV:" xmlns:CAL="urn:ietf:params:xml:ns:caldav" xmlns:CS="http://calendarserver.org/ns/" xmlns:ICAL="http://apple.com/ns/ical/">
         <set>
           <prop>
             <displayname>${escapeXml(this.displayname)}</displayname>
+            ${this.timezone_id ? `<CAL:calendar-timezone-id>${escapeXml(this.timezone_id)}</CAL:calendar-timezone-id>` : ""}
             ${this.description ? `<CAL:calendar-description>${escapeXml(this.description)}</CAL:calendar-description>` : ""}
             ${this.color ? `<ICAL:calendar-color>${escapeXml(this.color)}</ICAL:calendar-color>` : ""}
             ${this.isSubscription && this.subscriptionUrl ? `<CS:source><href>${escapeXml(this.subscriptionUrl)}</href></CS:source>` : ""}
@@ -131,6 +140,10 @@ let CreateCalendarForm = class extends i {
       </mkcol>
       `
     });
+    if (response.status >= 400) {
+      alert(`Error ${response.status}: ${await response.text()}`);
+      return null;
+    }
     window.location.reload();
     return null;
   }
@@ -150,6 +163,9 @@ __decorateClass([
 __decorateClass([
   n$1()
 ], CreateCalendarForm.prototype, "description", 2);
+__decorateClass([
+  n$1()
+], CreateCalendarForm.prototype, "timezone_id", 2);
 __decorateClass([
   n$1()
 ], CreateCalendarForm.prototype, "color", 2);

crates/frontend/public/assets/js/edit-addressbook-form.mjs

@@ -64,7 +64,7 @@ let EditAddressbookForm = class extends i {
       alert("Empty displayname");
       return;
     }
-    await fetch(`/carddav/principal/${this.principal}/${this.addr_id}`, {
+    let response = await fetch(`/carddav/principal/${this.principal}/${this.addr_id}`, {
       method: "PROPPATCH",
       headers: {
         "Content-Type": "application/xml"
@@ -85,6 +85,10 @@ let EditAddressbookForm = class extends i {
       </propertyupdate>
       `
     });
+    if (response.status >= 400) {
+      alert(`Error ${response.status}: ${await response.text()}`);
+      return null;
+    }
     window.location.reload();
     return null;
   }

crates/frontend/public/assets/js/edit-calendar-form.mjs

@@ -16,6 +16,7 @@ let EditCalendarForm = class extends i {
     super();
     this.displayname = "";
     this.description = "";
+    this.timezone_id = "";
     this.color = "";
     this.components = /* @__PURE__ */ new Set();
     this.dialog = e();
@@ -35,6 +36,11 @@ let EditCalendarForm = class extends i {
             <input type="text" name="displayname" .value=${this.displayname} @change=${(e2) => this.displayname = e2.target.value} />
           </label>
           <br>
+          <label>
+            Timezone (optional)
+            <input type="text" name="timezone" .value=${this.timezone_id} @change=${(e2) => this.timezone_id = e2.target.value} />
+          </label>
+          <br>
           <label>
             Description
             <input type="text" name="description" .value=${this.description} @change=${(e2) => this.description = e2.target.value} />
@@ -81,7 +87,7 @@ let EditCalendarForm = class extends i {
       alert("No calendar components selected");
       return;
     }
-    await fetch(`/caldav/principal/${this.principal}/${this.cal_id}`, {
+    let response = await fetch(`/caldav/principal/${this.principal}/${this.cal_id}`, {
       method: "PROPPATCH",
       headers: {
         "Content-Type": "application/xml"
@@ -91,6 +97,7 @@ let EditCalendarForm = class extends i {
         <set>
           <prop>
             <displayname>${escapeXml(this.displayname)}</displayname>
+            ${this.timezone_id ? `<CAL:calendar-timezone-id>${escapeXml(this.timezone_id)}</CAL:calendar-timezone-id>` : ""}
             ${this.description ? `<CAL:calendar-description>${escapeXml(this.description)}</CAL:calendar-description>` : ""}
             ${this.color ? `<ICAL:calendar-color>${escapeXml(this.color)}</ICAL:calendar-color>` : ""}
             <CAL:supported-calendar-component-set>
@@ -100,6 +107,7 @@ let EditCalendarForm = class extends i {
         </set>
         <remove>
           <prop>
+            ${!this.timezone_id ? `<CAL:calendar-timezone-id />` : ""}
             ${!this.description ? "<CAL:calendar-description />" : ""}
             ${!this.color ? "<ICAL:calendar-color />" : ""}
           </prop>
@@ -107,6 +115,10 @@ let EditCalendarForm = class extends i {
       </propertyupdate>
       `
     });
+    if (response.status >= 400) {
+      alert(`Error ${response.status}: ${await response.text()}`);
+      return null;
+    }
     window.location.reload();
     return null;
   }
@@ -123,6 +135,9 @@ __decorateClass([
 __decorateClass([
   n$1()
 ], EditCalendarForm.prototype, "description", 2);
+__decorateClass([
+  n$1()
+], EditCalendarForm.prototype, "timezone_id", 2);
 __decorateClass([
   n$1()
 ], EditCalendarForm.prototype, "color", 2);

crates/frontend/public/templates/components/sections/calendars_section.html

@@ -28,6 +28,7 @@
         <edit-calendar-form
           principal="{{ calendar.principal }}"
           cal_id="{{ calendar.id }}"
+          timezone_id="{{ calendar.timezone_id.as_deref().unwrap_or_default() }}"
           displayname="{{ calendar.displayname.as_deref().unwrap_or_default() }}"
           description="{{ calendar.description.as_deref().unwrap_or_default() }}"
           color="{{ calendar.color.as_deref().unwrap_or_default() }}"

crates/frontend/public/templates/pages/calendar.html

@@ -25,7 +25,7 @@
 {% if let Some(timezone_id) = calendar.timezone_id %}
 <p>{{ timezone_id }}</p>
 {% endif %}
-{% if let Some(timezone) = calendar.timezone %}
+{% if let Some(timezone) = calendar.get_vtimezone() %}
 <textarea rows="16" readonly>{{ timezone }}</textarea>
 {% endif %}
 

crates/ical/src/address_object.rs

@@ -95,9 +95,7 @@ impl AddressObject {
                 let uid = format!("{}-anniversary", self.get_id());
 
                 let year_suffix = year.map(|year| format!(" ({year})")).unwrap_or_default();
-                Some(CalendarObject::from_ics(
-                    uid.clone(),
-                    format!(
+                Some(CalendarObject::from_ics(format!(
                     r#"BEGIN:VCALENDAR
 VERSION:2.0
 CALSCALE:GREGORIAN
@@ -116,8 +114,7 @@ DESCRIPTION:💍 {fullname}{year_suffix}
 END:VALARM
 END:VEVENT
 END:VCALENDAR"#,
-                    ),
-                )?)
+                ))?)
             } else {
                 None
             },
@@ -139,9 +136,7 @@ END:VCALENDAR"#,
                 let uid = format!("{}-birthday", self.get_id());
 
                 let year_suffix = year.map(|year| format!(" ({year})")).unwrap_or_default();
-                Some(CalendarObject::from_ics(
-                    uid.clone(),
-                    format!(
+                Some(CalendarObject::from_ics(format!(
                     r#"BEGIN:VCALENDAR
 VERSION:2.0
 CALSCALE:GREGORIAN
@@ -160,8 +155,7 @@ DESCRIPTION:🎂 {fullname}{year_suffix}
 END:VALARM
 END:VEVENT
 END:VCALENDAR"#,
-                    ),
-                )?)
+                ))?)
             } else {
                 None
             },

crates/ical/src/duration.rs

@@ -1,53 +0,0 @@
-use crate::CalDateTimeError;
-use chrono::Duration;
-use lazy_static::lazy_static;
-
-lazy_static! {
-    static ref RE_DURATION: regex::Regex = regex::Regex::new(r"^(?<sign>[+-])?P((?P<W>\d+)W)?((?P<D>\d+)D)?(T((?P<H>\d+)H)?((?P<M>\d+)M)?((?P<S>\d+)S)?)?$").unwrap();
-}
-
-pub fn parse_duration(string: &str) -> Result<Duration, CalDateTimeError> {
-    let captures = RE_DURATION
-        .captures(string)
-        .ok_or(CalDateTimeError::InvalidDurationFormat(string.to_string()))?;
-
-    let mut duration = Duration::zero();
-    if let Some(weeks) = captures.name("W") {
-        duration += Duration::weeks(weeks.as_str().parse().unwrap());
-    }
-    if let Some(days) = captures.name("D") {
-        duration += Duration::days(days.as_str().parse().unwrap());
-    }
-    if let Some(hours) = captures.name("H") {
-        duration += Duration::hours(hours.as_str().parse().unwrap());
-    }
-    if let Some(minutes) = captures.name("M") {
-        duration += Duration::minutes(minutes.as_str().parse().unwrap());
-    }
-    if let Some(seconds) = captures.name("S") {
-        duration += Duration::seconds(seconds.as_str().parse().unwrap());
-    }
-    if let Some(sign) = captures.name("sign") {
-        if sign.as_str() == "-" {
-            duration = -duration;
-        }
-    }
-
-    Ok(duration)
-}
-
-#[cfg(test)]
-mod tests {
-    use chrono::Duration;
-
-    use crate::parse_duration;
-
-    #[test]
-    fn test_parse_duration() {
-        assert_eq!(parse_duration("P12W").unwrap(), Duration::weeks(12));
-        assert_eq!(parse_duration("P12D").unwrap(), Duration::days(12));
-        assert_eq!(parse_duration("PT12H").unwrap(), Duration::hours(12));
-        assert_eq!(parse_duration("PT12M").unwrap(), Duration::minutes(12));
-        assert_eq!(parse_duration("PT12S").unwrap(), Duration::seconds(12));
-    }
-}

crates/ical/src/icalendar/event.rs

@@ -1,24 +1,22 @@
+use crate::CalDateTime;
 use crate::Error;
-use crate::{CalDateTime, ComponentMut, parse_duration};
 use chrono::{DateTime, Duration, Utc};
-use ical::{
-    generator::IcalEvent,
-    parser::{Component, ical::component::IcalTimeZone},
-    property::Property,
-};
+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)]
+#[derive(Debug, Clone, Default)]
 pub struct EventObject {
     pub event: IcalEvent,
-    pub timezones: HashMap<String, IcalTimeZone>,
-    pub(crate) ics: String,
+    // 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 {
     pub fn get_dtstart(&self) -> Result<Option<CalDateTime>, Error> {
-        if let Some(dtstart) = self.event.get_property("DTSTART") {
+        if let Some(dtstart) = self.event.get_dtstart() {
             Ok(Some(CalDateTime::parse_prop(dtstart, &self.timezones)?))
         } else {
             Ok(None)
@@ -26,7 +24,7 @@ impl EventObject {
     }
 
     pub fn get_dtend(&self) -> Result<Option<CalDateTime>, Error> {
-        if let Some(dtend) = self.event.get_property("DTEND") {
+        if let Some(dtend) = self.event.get_dtend() {
             Ok(Some(CalDateTime::parse_prop(dtend, &self.timezones)?))
         } else {
             Ok(None)
@@ -34,33 +32,21 @@ impl EventObject {
     }
 
     pub fn get_last_occurence(&self) -> Result<Option<CalDateTime>, Error> {
-        if let Some(_rrule) = self.event.get_property("RRULE") {
+        if self.event.get_rrule().is_some() {
             // TODO: understand recurrence rules
             return Ok(None);
         }
 
-        if let Some(dtend) = self.event.get_property("DTEND") {
-            return Ok(Some(CalDateTime::parse_prop(dtend, &self.timezones)?));
+        if let Some(dtend) = self.get_dtend()? {
+            return Ok(Some(dtend));
         };
 
-        let duration = self.get_duration()?.unwrap_or(Duration::days(1));
+        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 get_duration(&self) -> Result<Option<Duration>, Error> {
-        if let Some(Property {
-            value: Some(duration),
-            ..
-        }) = self.event.get_property("DURATION")
-        {
-            Ok(Some(parse_duration(duration)?))
-        } else {
-            Ok(None)
-        }
-    }
-
     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()? {
@@ -128,7 +114,7 @@ impl EventObject {
                 } else {
                     date.format()
                 };
-                let mut ev = self.event.clone();
+                let mut ev = self.event.clone().mutable();
                 ev.remove_property("RRULE");
                 ev.remove_property("RDATE");
                 ev.remove_property("EXDATE");
@@ -163,7 +149,7 @@ impl EventObject {
                         params: dtstart_prop.params,
                     });
                 }
-                events.push(ev);
+                events.push(ev.verify()?);
             }
             Ok(events)
         } else {
@@ -242,11 +228,7 @@ END:VEVENT\r\n",
 
     #[test]
     fn test_expand_recurrence() {
-        let event = CalendarObject::from_ics(
-            "318ec6503573d9576818daf93dac07317058d95c".to_string(),
-            ICS.to_string(),
-        )
-        .unwrap();
+        let event = CalendarObject::from_ics(ICS.to_string()).unwrap();
         let event = event.event().unwrap();
 
         let events: Vec<String> = event

crates/ical/src/icalendar/journal.rs

@@ -1,7 +1,5 @@
+use derive_more::From;
 use ical::parser::ical::component::IcalJournal;
 
-#[derive(Debug, Clone)]
-pub struct JournalObject {
-    pub journal: IcalJournal,
-    pub(crate) ics: String,
-}
+#[derive(Debug, Clone, From)]
+pub struct JournalObject(pub IcalJournal);

crates/ical/src/icalendar/object.rs

@@ -4,15 +4,14 @@ use crate::Error;
 use chrono::DateTime;
 use chrono::Utc;
 use derive_more::Display;
-use ical::{
-    generator::{Emitter, IcalCalendar},
-    parser::{Component, ical::component::IcalTimeZone},
-};
+use ical::generator::{Emitter, IcalCalendar};
+use ical::property::Property;
+use serde::Deserialize;
 use serde::Serialize;
 use sha2::{Digest, Sha256};
 use std::{collections::HashMap, io::BufReader};
 
-#[derive(Debug, Clone, Serialize, PartialEq, Eq, Display)]
+#[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")]
@@ -47,8 +46,7 @@ impl rustical_xml::ValueDeserialize for CalendarObjectType {
             "VJOURNAL" => Ok(Self::Journal),
             _ => Err(rustical_xml::XmlError::InvalidValue(
                 rustical_xml::ParseValueError::Other(format!(
-                    "Invalid value '{}', must be VEVENT, VTODO, or VJOURNAL",
-                    val
+                    "Invalid value '{val}', must be VEVENT, VTODO, or VJOURNAL"
                 )),
             )),
         }
@@ -62,15 +60,21 @@ pub enum CalendarObjectComponent {
     Journal(JournalObject),
 }
 
-#[derive(Debug, Clone)]
-pub struct CalendarObject {
-    id: String,
+impl Default for CalendarObjectComponent {
+    fn default() -> Self {
+        Self::Event(EventObject::default())
+    }
+}
+
+#[derive(Debug, Clone, Default)]
+pub struct CalendarObject<const VERIFIED: bool = true> {
     data: CalendarObjectComponent,
-    cal: IcalCalendar,
+    properties: Vec<Property>,
+    ics: String,
 }
 
 impl CalendarObject {
-    pub fn from_ics(object_id: String, ics: String) -> Result<Self, Error> {
+    pub fn from_ics(ics: 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() {
@@ -91,52 +95,30 @@ impl CalendarObject {
             ));
         }
 
-        let timezones: HashMap<String, IcalTimeZone> = cal
+        let timezones: HashMap<String, Option<chrono_tz::Tz>> = cal
             .timezones
             .clone()
             .into_iter()
-            .filter_map(|timezone| {
-                let timezone_prop = timezone.get_property("TZID")?.to_owned();
-                let tzid = timezone_prop.value?;
-                Some((tzid, timezone))
-            })
+            .map(|timezone| (timezone.get_tzid().to_owned(), (&timezone).try_into().ok()))
             .collect();
 
-        if let Some(event) = cal.events.first() {
-            return Ok(CalendarObject {
-                id: object_id,
-                cal: cal.clone(),
-                data: CalendarObjectComponent::Event(EventObject {
-                    event: event.clone(),
-                    timezones,
-                    ics,
-                }),
-            });
-        }
-        if let Some(todo) = cal.todos.first() {
-            return Ok(CalendarObject {
-                id: object_id,
-                cal: cal.clone(),
-                data: CalendarObjectComponent::Todo(TodoObject {
-                    todo: todo.clone(),
-                    ics,
-                }),
-            });
-        }
-        if let Some(journal) = cal.journals.first() {
-            return Ok(CalendarObject {
-                id: object_id,
-                cal: cal.clone(),
-                data: CalendarObjectComponent::Journal(JournalObject {
-                    journal: journal.clone(),
-                    ics,
-                }),
-            });
-        }
-
-        Err(Error::InvalidData(
+        let data = if let Some(event) = cal.events.into_iter().next() {
+            CalendarObjectComponent::Event(EventObject { event, timezones })
+        } else if let Some(todo) = cal.todos.into_iter().next() {
+            CalendarObjectComponent::Todo(todo.into())
+        } else if let Some(journal) = cal.journals.into_iter().next() {
+            CalendarObjectComponent::Journal(journal.into())
+        } else {
+            return Err(Error::InvalidData(
                 "iCalendar component type not supported :(".to_owned(),
-        ))
+            ));
+        };
+
+        Ok(Self {
+            data,
+            properties: cal.properties,
+            ics,
+        })
     }
 
     pub fn get_data(&self) -> &CalendarObjectComponent {
@@ -144,29 +126,26 @@ impl CalendarObject {
     }
 
     pub fn get_id(&self) -> &str {
-        &self.id
+        match &self.data {
+            CalendarObjectComponent::Todo(todo) => todo.0.get_uid(),
+            CalendarObjectComponent::Event(event) => event.event.get_uid(),
+            CalendarObjectComponent::Journal(journal) => journal.0.get_uid(),
         }
+    }
+
     pub fn get_etag(&self) -> String {
         let mut hasher = Sha256::new();
-        hasher.update(&self.id);
+        hasher.update(self.get_id());
         hasher.update(self.get_ics());
         format!("\"{:x}\"", hasher.finalize())
     }
 
     pub fn get_ics(&self) -> &str {
-        match &self.data {
-            CalendarObjectComponent::Todo(todo) => &todo.ics,
-            CalendarObjectComponent::Event(event) => &event.ics,
-            CalendarObjectComponent::Journal(journal) => &journal.ics,
-        }
+        &self.ics
     }
 
     pub fn get_component_name(&self) -> &str {
-        match self.data {
-            CalendarObjectComponent::Todo(_) => "VTODO",
-            CalendarObjectComponent::Event(_) => "VEVENT",
-            CalendarObjectComponent::Journal(_) => "VJOURNAL",
-        }
+        self.get_object_type().as_str()
     }
 
     pub fn get_object_type(&self) -> CalendarObjectType {
@@ -206,8 +185,11 @@ impl CalendarObject {
         // Only events can be expanded
         match &self.data {
             CalendarObjectComponent::Event(event) => {
-                let mut cal = self.cal.clone();
-                cal.events = event.expand_recurrence(start, end)?;
+                let cal = IcalCalendar {
+                    properties: self.properties.clone(),
+                    events: event.expand_recurrence(start, end)?,
+                    ..Default::default()
+                };
                 Ok(cal.generate())
             }
             _ => Ok(self.get_ics().to_string()),

crates/ical/src/icalendar/todo.rs

@@ -1,7 +1,5 @@
+use derive_more::From;
 use ical::parser::ical::component::IcalTodo;
 
-#[derive(Debug, Clone)]
-pub struct TodoObject {
-    pub todo: IcalTodo,
-    pub(crate) ics: String,
-}
+#[derive(Debug, Clone, From)]
+pub struct TodoObject(pub IcalTodo);

crates/ical/src/lib.rs

@@ -1,14 +1,8 @@
-mod property_ext;
-pub use property_ext::*;
-
 mod timestamp;
 mod timezone;
 pub use timestamp::*;
 pub use timezone::*;
 
-mod duration;
-pub use duration::parse_duration;
-
 mod icalendar;
 pub use icalendar::*;
 

crates/ical/src/property_ext.rs

@@ -1,46 +0,0 @@
-use ical::{generator::IcalEvent, property::Property};
-
-pub trait IcalProperty {
-    fn get_param(&self, name: &str) -> Option<Vec<&str>>;
-    fn get_value_type(&self) -> Option<&str>;
-    fn get_tzid(&self) -> Option<&str>;
-}
-
-impl IcalProperty for ical::property::Property {
-    fn get_param(&self, name: &str) -> Option<Vec<&str>> {
-        self.params
-            .as_ref()?
-            .iter()
-            .find(|(key, _)| name == key)
-            .map(|(_, value)| value.iter().map(String::as_str).collect())
-    }
-
-    fn get_value_type(&self) -> Option<&str> {
-        self.get_param("VALUE")
-            .and_then(|params| params.into_iter().next())
-    }
-
-    fn get_tzid(&self) -> Option<&str> {
-        self.get_param("TZID")
-            .and_then(|params| params.into_iter().next())
-    }
-}
-
-pub trait ComponentMut {
-    fn remove_property(&mut self, name: &str);
-    fn set_property(&mut self, prop: Property);
-    fn push_property(&mut self, prop: Property);
-}
-
-impl ComponentMut for IcalEvent {
-    fn remove_property(&mut self, name: &str) {
-        self.properties.retain(|prop| prop.name != name);
-    }
-    fn set_property(&mut self, prop: Property) {
-        self.remove_property(&prop.name);
-        self.push_property(prop);
-    }
-    fn push_property(&mut self, prop: Property) {
-        self.properties.push(prop);
-    }
-}

crates/ical/src/timestamp.rs

@@ -1,12 +1,8 @@
-use super::timezone::CalTimezone;
-use crate::IcalProperty;
+use super::timezone::ICalTimezone;
 use chrono::{DateTime, Datelike, Duration, Local, NaiveDate, NaiveDateTime, NaiveTime, Utc};
 use chrono_tz::Tz;
 use derive_more::derive::Deref;
-use ical::{
-    parser::{Component, ical::component::IcalTimeZone},
-    property::Property,
-};
+use ical::property::Property;
 use lazy_static::lazy_static;
 use rustical_xml::{ValueDeserialize, ValueSerialize};
 use std::{borrow::Cow, collections::HashMap, ops::Add};
@@ -68,8 +64,8 @@ pub enum CalDateTime {
     // Form 2, example: 19980119T070000Z -> UTC
     // Form 3, example: TZID=America/New_York:19980119T020000 -> Olson
     // https://en.wikipedia.org/wiki/Tz_database
-    DateTime(DateTime<CalTimezone>),
-    Date(NaiveDate, CalTimezone),
+    DateTime(DateTime<ICalTimezone>),
+    Date(NaiveDate, ICalTimezone),
 }
 
 impl From<CalDateTime> for DateTime<rrule::Tz> {
@@ -106,13 +102,13 @@ impl Ord for CalDateTime {
 
 impl From<DateTime<Local>> for CalDateTime {
     fn from(value: DateTime<Local>) -> Self {
-        CalDateTime::DateTime(value.with_timezone(&CalTimezone::Local))
+        CalDateTime::DateTime(value.with_timezone(&ICalTimezone::Local))
     }
 }
 
 impl From<DateTime<Utc>> for CalDateTime {
     fn from(value: DateTime<Utc>) -> Self {
-        CalDateTime::DateTime(value.with_timezone(&CalTimezone::Utc))
+        CalDateTime::DateTime(value.with_timezone(&ICalTimezone::Olson(chrono_tz::UTC)))
     }
 }
 
@@ -136,7 +132,7 @@ impl Add<Duration> for CalDateTime {
 impl CalDateTime {
     pub fn parse_prop(
         prop: &Property,
-        timezones: &HashMap<String, IcalTimeZone>,
+        timezones: &HashMap<String, Option<chrono_tz::Tz>>,
     ) -> Result<Self, CalDateTimeError> {
         let prop_value = prop
             .value
@@ -145,28 +141,9 @@ impl CalDateTime {
                 "empty property".to_owned(),
             ))?;
 
-        // Use the TZID parameter from the property
-        let timezone = if let Some(tzid) = prop.get_tzid() {
+        let timezone = if let Some(tzid) = prop.get_param("TZID") {
             if let Some(timezone) = timezones.get(tzid) {
-                // X-LIC-LOCATION is often used to refer to a standardised timezone from the Olson
-                // database
-                if let Some(olson_name) = timezone
-                    .get_property("X-LIC-LOCATION")
-                    .map(|prop| prop.value.to_owned())
-                    .unwrap_or_default()
-                {
-                    if let Ok(tz) = olson_name.parse::<Tz>() {
-                        Some(tz)
-                    } else {
-                        return Err(CalDateTimeError::InvalidOlson(olson_name));
-                    }
-                } else {
-                    // If the TZID matches a name from the Olson database (e.g. Europe/Berlin) we
-                    // guess that we can just use it
-                    tzid.parse::<Tz>().ok()
-                    // TODO: If None: Too bad, we need to manually parse it
-                    // For now it's just treated as localtime
-                }
+                timezone.to_owned()
             } else {
                 // TZID refers to timezone that does not exist
                 return Err(CalDateTimeError::InvalidTZID(tzid.to_string()));
@@ -174,6 +151,7 @@ impl CalDateTime {
         } 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
         };
 
@@ -183,7 +161,7 @@ impl CalDateTime {
     pub fn format(&self) -> String {
         match self {
             Self::DateTime(datetime) => match datetime.timezone() {
-                CalTimezone::Utc => datetime.format(UTC_DATE_TIME).to_string(),
+                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(),
@@ -208,7 +186,7 @@ impl CalDateTime {
         matches!(&self, Self::Date(_, _))
     }
 
-    pub fn as_datetime(&self) -> Cow<DateTime<CalTimezone>> {
+    pub fn as_datetime(&self) -> Cow<'_, DateTime<ICalTimezone>> {
         match self {
             Self::DateTime(datetime) => Cow::Borrowed(datetime),
             Self::Date(date, tz) => Cow::Owned(
@@ -232,7 +210,7 @@ impl CalDateTime {
             }
             return Ok(CalDateTime::DateTime(
                 datetime
-                    .and_local_timezone(CalTimezone::Local)
+                    .and_local_timezone(ICalTimezone::Local)
                     .earliest()
                     .ok_or(CalDateTimeError::LocalTimeGap)?,
             ));
@@ -242,8 +220,8 @@ impl CalDateTime {
             return Ok(datetime.and_utc().into());
         }
         let timezone = timezone
-            .map(CalTimezone::Olson)
-            .unwrap_or(CalTimezone::Local);
+            .map(ICalTimezone::Olson)
+            .unwrap_or(ICalTimezone::Local);
         if let Ok(date) = NaiveDate::parse_from_str(value, LOCAL_DATE) {
             return Ok(CalDateTime::Date(date, timezone));
         }
@@ -275,7 +253,7 @@ impl CalDateTime {
                 CalDateTime::Date(
                     NaiveDate::from_ymd_opt(year, month, day)
                         .ok_or(CalDateTimeError::ParseError(value.to_string()))?,
-                    CalTimezone::Local,
+                    ICalTimezone::Local,
                 ),
                 false,
             ));
@@ -287,7 +265,7 @@ impl CalDateTime {
         self.as_datetime().to_utc()
     }
 
-    pub fn timezone(&self) -> CalTimezone {
+    pub fn timezone(&self) -> ICalTimezone {
         match &self {
             CalDateTime::DateTime(datetime) => datetime.timezone(),
             CalDateTime::Date(_, tz) => tz.to_owned(),
@@ -423,7 +401,7 @@ mod tests {
             (
                 CalDateTime::Date(
                     NaiveDate::from_ymd_opt(1985, 4, 12).unwrap(),
-                    crate::CalTimezone::Local
+                    crate::ICalTimezone::Local
                 ),
                 true
             )
@@ -433,7 +411,7 @@ mod tests {
             (
                 CalDateTime::Date(
                     NaiveDate::from_ymd_opt(1985, 4, 12).unwrap(),
-                    crate::CalTimezone::Local
+                    crate::ICalTimezone::Local
                 ),
                 true
             )
@@ -443,7 +421,7 @@ mod tests {
             (
                 CalDateTime::Date(
                     NaiveDate::from_ymd_opt(1972, 4, 12).unwrap(),
-                    crate::CalTimezone::Local
+                    crate::ICalTimezone::Local
                 ),
                 false
             )

crates/ical/src/timezone.rs

@@ -1,29 +1,26 @@
-use chrono::{Local, NaiveDate, NaiveDateTime, TimeZone, Utc};
+use chrono::{Local, NaiveDate, NaiveDateTime, TimeZone};
 use chrono_tz::Tz;
 use derive_more::{Display, From};
 
 #[derive(Debug, Clone, From, PartialEq, Eq)]
-pub enum CalTimezone {
+pub enum ICalTimezone {
     Local,
-    Utc,
     Olson(Tz),
 }
 
-impl From<CalTimezone> for rrule::Tz {
-    fn from(value: CalTimezone) -> Self {
+impl From<ICalTimezone> for rrule::Tz {
+    fn from(value: ICalTimezone) -> Self {
         match value {
-            CalTimezone::Local => Self::LOCAL,
-            CalTimezone::Utc => Self::UTC,
-            CalTimezone::Olson(tz) => Self::Tz(tz),
+            ICalTimezone::Local => Self::LOCAL,
+            ICalTimezone::Olson(tz) => Self::Tz(tz),
         }
     }
 }
 
-impl From<rrule::Tz> for CalTimezone {
+impl From<rrule::Tz> for ICalTimezone {
     fn from(value: rrule::Tz) -> Self {
         match value {
             rrule::Tz::Local(_) => Self::Local,
-            rrule::Tz::Tz(chrono_tz::UTC) => Self::Utc,
             rrule::Tz::Tz(tz) => Self::Olson(tz),
         }
     }
@@ -32,7 +29,6 @@ impl From<rrule::Tz> for CalTimezone {
 #[derive(Debug, Clone, PartialEq, Display)]
 pub enum CalTimezoneOffset {
     Local(chrono::FixedOffset),
-    Utc(chrono::Utc),
     Olson(chrono_tz::TzOffset),
 }
 
@@ -40,19 +36,17 @@ impl chrono::Offset for CalTimezoneOffset {
     fn fix(&self) -> chrono::FixedOffset {
         match self {
             Self::Local(local) => local.fix(),
-            Self::Utc(utc) => utc.fix(),
             Self::Olson(olson) => olson.fix(),
         }
     }
 }
 
-impl TimeZone for CalTimezone {
+impl TimeZone for ICalTimezone {
     type Offset = CalTimezoneOffset;
 
     fn from_offset(offset: &Self::Offset) -> Self {
         match offset {
             CalTimezoneOffset::Local(_) => Self::Local,
-            CalTimezoneOffset::Utc(_) => Self::Utc,
             CalTimezoneOffset::Olson(offset) => Self::Olson(Tz::from_offset(offset)),
         }
     }
@@ -62,9 +56,6 @@ impl TimeZone for CalTimezone {
             Self::Local => Local
                 .offset_from_local_date(local)
                 .map(CalTimezoneOffset::Local),
-            Self::Utc => Utc
-                .offset_from_local_date(local)
-                .map(CalTimezoneOffset::Utc),
             Self::Olson(tz) => tz
                 .offset_from_local_date(local)
                 .map(CalTimezoneOffset::Olson),
@@ -79,9 +70,6 @@ impl TimeZone for CalTimezone {
             Self::Local => Local
                 .offset_from_local_datetime(local)
                 .map(CalTimezoneOffset::Local),
-            Self::Utc => Utc
-                .offset_from_local_datetime(local)
-                .map(CalTimezoneOffset::Utc),
             Self::Olson(tz) => tz
                 .offset_from_local_datetime(local)
                 .map(CalTimezoneOffset::Olson),
@@ -91,7 +79,6 @@ impl TimeZone for CalTimezone {
     fn offset_from_utc_datetime(&self, utc: &NaiveDateTime) -> Self::Offset {
         match self {
             Self::Local => CalTimezoneOffset::Local(Local.offset_from_utc_datetime(utc)),
-            Self::Utc => CalTimezoneOffset::Utc(Utc.offset_from_utc_datetime(utc)),
             Self::Olson(tz) => CalTimezoneOffset::Olson(tz.offset_from_utc_datetime(utc)),
         }
     }
@@ -99,7 +86,6 @@ impl TimeZone for CalTimezone {
     fn offset_from_utc_date(&self, utc: &NaiveDate) -> Self::Offset {
         match self {
             Self::Local => CalTimezoneOffset::Local(Local.offset_from_utc_date(utc)),
-            Self::Utc => CalTimezoneOffset::Utc(Utc.offset_from_utc_date(utc)),
             Self::Olson(tz) => CalTimezoneOffset::Olson(tz.offset_from_utc_date(utc)),
         }
     }

crates/store/Cargo.toml

@@ -22,7 +22,6 @@ chrono-tz = { workspace = true }
 derive_more = { workspace = true, features = ["as_ref"] }
 rustical_xml.workspace = true
 tokio.workspace = true
-rand.workspace = true
 clap.workspace = true
 rustical_dav.workspace = true
 rustical_ical.workspace = true
@@ -33,6 +32,7 @@ headers.workspace = true
 tower.workspace = true
 futures-core.workspace = true
 tower-sessions.workspace = true
+vtimezones-rs.workspace = true
 
 [dev-dependencies]
 rstest = { workspace = true }

crates/store/src/calendar.rs

@@ -1,9 +1,11 @@
+use std::str::FromStr;
+
 use crate::synctoken::format_synctoken;
 use chrono::NaiveDateTime;
 use rustical_ical::CalendarObjectType;
-use serde::Serialize;
+use serde::{Deserialize, Serialize};
 
-#[derive(Debug, Default, Clone, Serialize)]
+#[derive(Debug, Default, Clone, Serialize, Deserialize)]
 pub struct Calendar {
     pub principal: String,
     pub id: String,
@@ -11,7 +13,6 @@ pub struct Calendar {
     pub order: i64,
     pub description: Option<String>,
     pub color: Option<String>,
-    pub timezone: Option<String>,
     pub timezone_id: Option<String>,
     pub deleted_at: Option<NaiveDateTime>,
     pub synctoken: i64,
@@ -24,4 +25,16 @@ impl Calendar {
     pub fn format_synctoken(&self) -> String {
         format_synctoken(self.synctoken)
     }
+
+    pub fn get_timezone(&self) -> Option<chrono_tz::Tz> {
+        self.timezone_id
+            .as_ref()
+            .and_then(|tzid| chrono_tz::Tz::from_str(tzid).ok())
+    }
+
+    pub fn get_vtimezone(&self) -> Option<&'static str> {
+        self.timezone_id
+            .as_ref()
+            .and_then(|tzid| vtimezones_rs::VTIMEZONES.get(tzid).cloned())
+    }
 }

crates/store/src/contact_birthday_store.rs

@@ -20,7 +20,6 @@ fn birthday_calendar(addressbook: Addressbook) -> Calendar {
         order: 0,
         description: None,
         color: None,
-        timezone: None,
         timezone_id: None,
         deleted_at: addressbook.deleted_at,
         synctoken: addressbook.synctoken,

crates/store_sqlite/migrations/20250725225640_drop_calendar_timezone.down.sql

@@ -0,0 +1 @@
+ALTER TABLE calendars ADD COLUMN timezone TEXT;

crates/store_sqlite/migrations/20250725225640_drop_calendar_timezone.up.sql

@@ -0,0 +1,3 @@
+-- We don't want to save timezones as ics anymore
+-- but instead just rely on the TZDB identifier
+ALTER TABLE calendars DROP COLUMN timezone;

crates/store_sqlite/src/calendar_store.rs

@@ -22,7 +22,17 @@ impl TryFrom<CalendarObjectRow> for CalendarObject {
     type Error = rustical_store::Error;
 
     fn try_from(value: CalendarObjectRow) -> Result<Self, Self::Error> {
-        Ok(CalendarObject::from_ics(value.id, value.ics)?)
+        let object = CalendarObject::from_ics(value.ics)?;
+        if object.get_id() != value.id {
+            return Err(rustical_store::Error::IcalError(
+                rustical_ical::Error::InvalidData(format!(
+                    "object_id={} and UID={} don't match",
+                    object.get_id(),
+                    value.id
+                )),
+            ));
+        }
+        Ok(object)
     }
 }
 
@@ -34,7 +44,6 @@ struct CalendarRow {
     order: i64,
     description: Option<String>,
     color: Option<String>,
-    timezone: Option<String>,
     timezone_id: Option<String>,
     deleted_at: Option<NaiveDateTime>,
     synctoken: i64,
@@ -64,7 +73,6 @@ impl From<CalendarRow> for Calendar {
             order: value.order,
             description: value.description,
             color: value.color,
-            timezone: value.timezone,
             timezone_id: value.timezone_id,
             deleted_at: value.deleted_at,
             synctoken: value.synctoken,
@@ -127,7 +135,7 @@ impl SqliteCalendarStore {
     ) -> Result<Vec<Calendar>, Error> {
         let cals = sqlx::query_as!(
             CalendarRow,
-            r#"SELECT *
+            r#"SELECT principal, id, displayname, "order", description, color, timezone_id, deleted_at, synctoken, subscription_url, push_topic, comp_event, comp_todo, comp_journal
                 FROM calendars
                 WHERE principal = ? AND deleted_at IS NOT NULL"#,
             principal
@@ -147,8 +155,8 @@ impl SqliteCalendarStore {
         let comp_journal = calendar.components.contains(&CalendarObjectType::Journal);
 
         sqlx::query!(
-            r#"INSERT INTO calendars (principal, id, displayname, description, "order", color, subscription_url, timezone, timezone_id, push_topic, comp_event, comp_todo, comp_journal)
-                VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)"#,
+            r#"INSERT INTO calendars (principal, id, displayname, description, "order", color, subscription_url, timezone_id, push_topic, comp_event, comp_todo, comp_journal)
+                VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)"#,
             calendar.principal,
             calendar.id,
             calendar.displayname,
@@ -156,7 +164,6 @@ impl SqliteCalendarStore {
             calendar.order,
             calendar.color,
             calendar.subscription_url,
-            calendar.timezone,
             calendar.timezone_id,
             calendar.push_topic,
             comp_event, comp_todo, comp_journal
@@ -178,7 +185,7 @@ impl SqliteCalendarStore {
         let comp_journal = calendar.components.contains(&CalendarObjectType::Journal);
 
         let result = sqlx::query!(
-            r#"UPDATE calendars SET principal = ?, id = ?, displayname = ?, description = ?, "order" = ?, color = ?, timezone = ?, timezone_id = ?, push_topic = ?, comp_event = ?, comp_todo = ?, comp_journal = ?
+            r#"UPDATE calendars SET principal = ?, id = ?, displayname = ?, description = ?, "order" = ?, color = ?, timezone_id = ?, push_topic = ?, comp_event = ?, comp_todo = ?, comp_journal = ?
                 WHERE (principal, id) = (?, ?)"#,
             calendar.principal,
             calendar.id,
@@ -186,7 +193,6 @@ impl SqliteCalendarStore {
             calendar.description,
             calendar.order,
             calendar.color,
-            calendar.timezone,
             calendar.timezone_id,
             calendar.push_topic,
             comp_event, comp_todo, comp_journal,

crates/store_sqlite/src/subscription_store.rs

@@ -31,6 +31,11 @@ impl SubscriptionStore for SqliteStore {
     }
 
     async fn upsert_subscription(&self, sub: Subscription) -> Result<bool, Error> {
+        let already_exists = match self.get_subscription(&sub.id).await {
+            Ok(_) => true,
+            Err(Error::NotFound) => false,
+            Err(err) => return Err(err),
+        };
         sqlx::query!(
             r#"INSERT OR REPLACE INTO davpush_subscriptions (id, topic, expiration, push_resource, public_key, public_key_type, auth_secret) VALUES (?, ?, ?, ?, ?, ?, ?)"#,
             sub.id,
@@ -41,8 +46,7 @@ impl SubscriptionStore for SqliteStore {
             sub.public_key_type,
             sub.auth_secret
         ).execute(&self.db).await.map_err(crate::Error::from)?;
-        // TODO: Correctly return whether a subscription already existed
-        Ok(false)
+        Ok(already_exists)
     }
     async fn delete_subscription(&self, id: &str) -> Result<(), Error> {
         sqlx::query!(r#"DELETE FROM davpush_subscriptions WHERE id = ? "#, id)

docs/index.md

@@ -8,6 +8,8 @@ a CalDAV/CardDAV server
     you'd still be one of the first testers so expect bugs and rough edges.
     If you still want to play around with it in its current state, absolutely feel free to do so and to open up an issue if something is not working. :)
 
+[Installation](installation/index.md){ .md-button }
+
 ## Features
 
 - easy to backup, everything saved in one SQLite database