caldav: Add supported-collation-set property

crates/caldav/src/calendar/methods/report/calendar_query/text_match.rs

@@ -10,6 +10,7 @@ pub enum TextCollation {
 
 impl TextCollation {
     // Check whether a haystack contains a needle respecting the collation
+    #[must_use]
     pub fn match_text(&self, needle: &str, haystack: &str) -> bool {
         match self {
             // https://datatracker.ietf.org/doc/html/rfc4790#section-9.2
@@ -21,6 +22,15 @@ impl TextCollation {
     }
 }
 
+impl AsRef<str> for TextCollation {
+    fn as_ref(&self) -> &str {
+        match self {
+            Self::AsciiCasemap => "i;ascii-casemap",
+            Self::Octet => "i;octet",
+        }
+    }
+}
+
 impl ValueDeserialize for TextCollation {
     fn deserialize(val: &str) -> Result<Self, rustical_xml::XmlError> {
         match val {
@@ -60,6 +70,7 @@ pub struct TextMatchElement {
 }
 
 impl TextMatchElement {
+    #[must_use]
     pub fn match_property(&self, property: &Property) -> bool {
         let Self {
             collation,

crates/caldav/src/calendar/methods/report/mod.rs

@@ -27,7 +27,7 @@ use sync_collection::handle_sync_collection;
 use tracing::instrument;
 
 mod calendar_multiget;
-mod calendar_query;
+pub mod calendar_query;
 mod sync_collection;
 
 #[derive(XmlDeserialize, XmlDocument, Clone, Debug, PartialEq)]

crates/caldav/src/calendar/prop.rs

@@ -3,6 +3,8 @@ use rustical_ical::CalendarObjectType;
 use rustical_xml::{XmlDeserialize, XmlSerialize};
 use strum_macros::VariantArray;
 
+use crate::calendar::methods::report::calendar_query::text_match::TextCollation;
+
 #[derive(Debug, Clone, XmlSerialize, XmlDeserialize, PartialEq, Eq, From, Into)]
 pub struct SupportedCalendarComponent {
     #[xml(ty = "attr")]
@@ -36,6 +38,28 @@ impl From<SupportedCalendarComponentSet> for Vec<CalendarObjectType> {
     }
 }
 
+#[derive(Debug, Clone, XmlSerialize, XmlDeserialize, PartialEq, Eq, From, Into)]
+pub struct SupportedCollation(#[xml(ty = "text")] pub TextCollation);
+
+#[derive(Debug, Clone, XmlSerialize, XmlDeserialize, PartialEq, Eq)]
+pub struct SupportedCollationSet(
+    #[xml(
+        ns = "rustical_dav::namespace::NS_CALDAV",
+        flatten,
+        rename = "supported-collation"
+    )]
+    pub Vec<SupportedCollation>,
+);
+
+impl Default for SupportedCollationSet {
+    fn default() -> Self {
+        Self(vec![
+            SupportedCollation(TextCollation::AsciiCasemap),
+            SupportedCollation(TextCollation::Octet),
+        ])
+    }
+}
+
 #[derive(Debug, Clone, XmlSerialize, PartialEq, Eq)]
 pub struct CalendarData {
     #[xml(ty = "attr")]

crates/caldav/src/calendar/resource.rs

@@ -1,6 +1,6 @@
 use super::prop::{SupportedCalendarComponentSet, SupportedCalendarData};
 use crate::Error;
-use crate::calendar::prop::ReportMethod;
+use crate::calendar::prop::{ReportMethod, SupportedCollationSet};
 use chrono::{DateTime, Utc};
 use derive_more::derive::{From, Into};
 use ical::IcalParser;
@@ -39,6 +39,8 @@ pub enum CalendarProp {
     SupportedCalendarComponentSet(SupportedCalendarComponentSet),
     #[xml(ns = "rustical_dav::namespace::NS_CALDAV", skip_deserializing)]
     SupportedCalendarData(SupportedCalendarData),
+    #[xml(ns = "rustical_dav::namespace::NS_CALDAV", skip_deserializing)]
+    SupportedCollationSet(SupportedCollationSet),
     #[xml(ns = "rustical_dav::namespace::NS_DAV")]
     MaxResourceSize(i64),
     #[xml(skip_deserializing)]
@@ -156,6 +158,9 @@ impl Resource for CalendarResource {
                 CalendarPropName::SupportedCalendarData => {
                     CalendarProp::SupportedCalendarData(SupportedCalendarData::default())
                 }
+                CalendarPropName::SupportedCollationSet => {
+                    CalendarProp::SupportedCollationSet(SupportedCollationSet::default())
+                }
                 CalendarPropName::MaxResourceSize => CalendarProp::MaxResourceSize(10_000_000),
                 CalendarPropName::SupportedReportSet => {
                     CalendarProp::SupportedReportSet(SupportedReportSet::all())
@@ -244,6 +249,7 @@ impl Resource for CalendarResource {
                 }
                 CalendarProp::TimezoneServiceSet(_)
                 | CalendarProp::SupportedCalendarData(_)
+                | CalendarProp::SupportedCollationSet(_)
                 | CalendarProp::MaxResourceSize(_)
                 | CalendarProp::SupportedReportSet(_)
                 | CalendarProp::Source(_)
@@ -283,6 +289,7 @@ impl Resource for CalendarResource {
                 }
                 CalendarPropName::TimezoneServiceSet
                 | CalendarPropName::SupportedCalendarData
+                | CalendarPropName::SupportedCollationSet
                 | CalendarPropName::MaxResourceSize
                 | CalendarPropName::SupportedReportSet
                 | CalendarPropName::Source

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

@@ -11,6 +11,7 @@
             <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"/>
+            <supported-collation-set xmlns="urn:ietf:params:xml:ns:caldav"/>
             <max-resource-size xmlns="DAV:"/>
             <supported-report-set xmlns="DAV:"/>
             <source xmlns="http://calendarserver.org/ns/"/>
@@ -160,6 +161,10 @@ END:VCALENDAR
             <CAL:supported-calendar-data>
                 <CAL:calendar-data content-type="text/calendar" version="2.0"/>
             </CAL:supported-calendar-data>
+            <CAL:supported-collation-set>
+                <CAL:supported-collation>i;ascii-casemap</CAL:supported-collation>
+                <CAL:supported-collation>i;octet</CAL:supported-collation>
+            </CAL:supported-collation-set>
             <max-resource-size>10000000</max-resource-size>
             <supported-report-set>
                 <supported-report>