caldav: Make supported-calendar-component-set configurable

crates/store/src/calendar/calendar.rs

@@ -1,3 +1,4 @@
+use super::CalendarObjectType;
 use crate::synctoken::format_synctoken;
 use chrono::NaiveDateTime;
 use serde::Serialize;
@@ -16,6 +17,7 @@ pub struct Calendar {
     pub synctoken: i64,
     pub subscription_url: Option<String>,
     pub push_topic: String,
+    pub components: Vec<CalendarObjectType>,
 }
 
 impl Calendar {

crates/store/src/calendar/object.rs

@@ -2,10 +2,11 @@ use super::{CalDateTime, EventObject, JournalObject, TodoObject};
 use crate::Error;
 use anyhow::Result;
 use ical::parser::{ical::component::IcalTimeZone, Component};
+use serde::Serialize;
 use sha2::{Digest, Sha256};
 use std::{collections::HashMap, io::BufReader};
 
-#[derive(Debug, Clone)]
+#[derive(Debug, Clone, Serialize, PartialEq, Eq)]
 // specified in https://datatracker.ietf.org/doc/html/rfc5545#section-3.6
 pub enum CalendarObjectType {
     Event = 0,
@@ -13,6 +14,31 @@ pub enum CalendarObjectType {
     Journal = 2,
 }
 
+impl rustical_xml::ValueSerialize for CalendarObjectType {
+    fn serialize(&self) -> String {
+        match self {
+            CalendarObjectType::Event => "VEVENT",
+            CalendarObjectType::Todo => "VTODO",
+            CalendarObjectType::Journal => "VJOURNAL",
+        }
+        .to_owned()
+    }
+}
+
+impl rustical_xml::ValueDeserialize for CalendarObjectType {
+    fn deserialize(val: &str) -> std::result::Result<Self, rustical_xml::XmlError> {
+        match <String as rustical_xml::ValueDeserialize>::deserialize(val)?.as_str() {
+            "VEVENT" => Ok(Self::Event),
+            "VTODO" => Ok(Self::Todo),
+            "VJOURNAL" => Ok(Self::Journal),
+            _ => Err(rustical_xml::XmlError::Other(format!(
+                "Invalid value '{}', must be VEVENT, VTODO, or VJOURNAL",
+                val
+            ))),
+        }
+    }
+}
+
 #[derive(Debug, Clone)]
 pub enum CalendarObjectComponent {
     Event(EventObject),

crates/store/src/contact_birthday_store.rs

@@ -1,7 +1,8 @@
 use std::sync::Arc;
 
 use crate::{
-    AddressObject, Addressbook, AddressbookStore, Calendar, CalendarObject, CalendarStore, Error,
+    calendar::CalendarObjectType, AddressObject, Addressbook, AddressbookStore, Calendar,
+    CalendarObject, CalendarStore, Error,
 };
 use async_trait::async_trait;
 use derive_more::derive::Constructor;
@@ -31,6 +32,7 @@ fn birthday_calendar(addressbook: Addressbook) -> Calendar {
             hasher.update(addressbook.push_topic);
             format!("{:x}", hasher.finalize())
         },
+        components: vec![CalendarObjectType::Event],
     }
 }