From 8d9dba364dff0950736ab89a9aae562f1e211c5c Mon Sep 17 00:00:00 2001
From: Lennart <18233294+lennart-k@users.noreply.github.com>
Date: Sat, 27 Jul 2024 12:36:18 +0200
Subject: [PATCH] Implement supported-report-set property for calendar
 collection

---
 README.md                              |  2 ++
 crates/caldav/src/calendar/prop.rs     | 38 ++++++++++++++++++++++++++
 crates/caldav/src/calendar/resource.rs |  9 +++++-
 3 files changed, 48 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 8c12326..f5996a3 100644
--- a/README.md
+++ b/README.md
@@ -34,6 +34,8 @@ a calendar server
 
 ## Relevant RFCs
 
+- Versioning Extensions to WebDAV: [RFC 3253](https://datatracker.ietf.org/doc/html/rfc3253)
+  - provides the REPORT method
 - Calendaring Extensions to WebDAV (CalDAV): [RFC 4791](https://datatracker.ietf.org/doc/html/rfc4791)
 - Scheduling Extensions to CalDAV: [RFC 6638](https://datatracker.ietf.org/doc/html/rfc6638)
   - not sure yet whether to implement this
diff --git a/crates/caldav/src/calendar/prop.rs b/crates/caldav/src/calendar/prop.rs
index 954eaf0..67ab422 100644
--- a/crates/caldav/src/calendar/prop.rs
+++ b/crates/caldav/src/calendar/prop.rs
@@ -95,3 +95,41 @@ impl Default for UserPrivilegeSet {
         }
     }
 }
+
+#[derive(Debug, Clone, Deserialize, Serialize)]
+#[serde(rename_all = "kebab-case")]
+pub enum ReportMethod {
+    CalendarQuery,
+    CalendarMultiget,
+    // SyncCollection,
+}
+
+#[derive(Debug, Clone, Deserialize, Serialize)]
+#[serde(rename_all = "kebab-case")]
+pub struct SupportedReport {
+    report: ReportMethod,
+}
+
+impl From<ReportMethod> for SupportedReport {
+    fn from(value: ReportMethod) -> Self {
+        Self { report: value }
+    }
+}
+
+#[derive(Debug, Clone, Deserialize, Serialize)]
+#[serde(rename_all = "kebab-case")]
+pub struct SupportedReportSet {
+    supported_report: Vec<SupportedReport>,
+}
+
+impl Default for SupportedReportSet {
+    fn default() -> Self {
+        Self {
+            supported_report: vec![
+                ReportMethod::CalendarQuery.into(),
+                ReportMethod::CalendarMultiget.into(),
+                // ReportMethod::SyncCollection.into(),
+            ],
+        }
+    }
+}
diff --git a/crates/caldav/src/calendar/resource.rs b/crates/caldav/src/calendar/resource.rs
index edae9fc..802d276 100644
--- a/crates/caldav/src/calendar/resource.rs
+++ b/crates/caldav/src/calendar/resource.rs
@@ -15,7 +15,7 @@ use tokio::sync::RwLock;
 
 use super::prop::{
     Resourcetype, SupportedCalendarComponent, SupportedCalendarComponentSet, SupportedCalendarData,
-    UserPrivilegeSet,
+    SupportedReportSet, UserPrivilegeSet,
 };
 
 pub struct CalendarResource<C: CalendarStore + ?Sized> {
@@ -41,6 +41,7 @@ pub enum CalendarPropName {
     Getcontenttype,
     CurrentUserPrivilegeSet,
     MaxResourceSize,
+    SupportedReportSet,
 }
 
 #[derive(Debug, Clone, Deserialize, Serialize)]
@@ -71,6 +72,7 @@ pub enum CalendarProp {
     Getcontenttype(String),
     MaxResourceSize(String),
     CurrentUserPrivilegeSet(UserPrivilegeSet),
+    SupportedReportSet(SupportedReportSet),
     #[serde(other)]
     Invalid,
 }
@@ -138,6 +140,9 @@ impl Resource for CalendarFile {
             CalendarPropName::CurrentUserPrivilegeSet => Ok(CalendarProp::CurrentUserPrivilegeSet(
                 UserPrivilegeSet::default(),
             )),
+            CalendarPropName::SupportedReportSet => Ok(CalendarProp::SupportedReportSet(
+                SupportedReportSet::default(),
+            )),
         }
     }
 
@@ -176,6 +181,7 @@ impl Resource for CalendarFile {
             CalendarProp::Getcontenttype(_) => Err(rustical_dav::Error::PropReadOnly),
             CalendarProp::MaxResourceSize(_) => Err(rustical_dav::Error::PropReadOnly),
             CalendarProp::CurrentUserPrivilegeSet(_) => Err(rustical_dav::Error::PropReadOnly),
+            CalendarProp::SupportedReportSet(_) => Err(rustical_dav::Error::PropReadOnly),
             CalendarProp::Invalid => Err(rustical_dav::Error::PropReadOnly),
         }
     }
@@ -212,6 +218,7 @@ impl Resource for CalendarFile {
             CalendarPropName::Getcontenttype => Err(rustical_dav::Error::PropReadOnly),
             CalendarPropName::MaxResourceSize => Err(rustical_dav::Error::PropReadOnly),
             CalendarPropName::CurrentUserPrivilegeSet => Err(rustical_dav::Error::PropReadOnly),
+            CalendarPropName::SupportedReportSet => Err(rustical_dav::Error::PropReadOnly),
         }
     }
 }