dav: Move displayname to common properties

crates/carddav/src/address_object/resource.rs

@@ -64,6 +64,10 @@ impl Resource for AddressObjectResource {
         })
     }
 
+    fn get_displayname(&self) -> Option<&str> {
+        self.object.get_full_name()
+    }
+
     fn get_owner(&self) -> Option<&str> {
         Some(&self.principal)
     }

crates/carddav/src/addressbook/prop.rs

@@ -5,10 +5,6 @@ use rustical_xml::{EnumVariants, PropName, XmlDeserialize, XmlSerialize};
 #[derive(XmlDeserialize, XmlSerialize, PartialEq, Clone, EnumVariants, PropName)]
 #[xml(unit_variants_ident = "AddressbookPropName")]
 pub enum AddressbookProp {
-    // WebDAV (RFC 2518)
-    #[xml(ns = "rustical_dav::namespace::NS_DAV")]
-    Displayname(Option<String>),
-
     // CardDAV (RFC 6352)
     #[xml(ns = "rustical_dav::namespace::NS_CARDDAV")]
     AddressbookDescription(Option<String>),

crates/carddav/src/addressbook/resource.rs

@@ -56,9 +56,6 @@ impl Resource for AddressbookResource {
         Ok(match prop {
             AddressbookPropWrapperName::Addressbook(prop) => {
                 AddressbookPropWrapper::Addressbook(match prop {
-                    AddressbookPropName::Displayname => {
-                        AddressbookProp::Displayname(self.0.displayname.clone())
-                    }
                     AddressbookPropName::MaxResourceSize => {
                         AddressbookProp::MaxResourceSize(10000000)
                     }
@@ -89,10 +86,6 @@ impl Resource for AddressbookResource {
     fn set_prop(&mut self, prop: Self::Prop) -> Result<(), rustical_dav::Error> {
         match prop {
             AddressbookPropWrapper::Addressbook(prop) => match prop {
-                AddressbookProp::Displayname(displayname) => {
-                    self.0.displayname = displayname;
-                    Ok(())
-                }
                 AddressbookProp::AddressbookDescription(description) => {
                     self.0.description = description;
                     Ok(())
@@ -113,10 +106,6 @@ impl Resource for AddressbookResource {
     ) -> Result<(), rustical_dav::Error> {
         match prop {
             AddressbookPropWrapperName::Addressbook(prop) => match prop {
-                AddressbookPropName::Displayname => {
-                    self.0.displayname = None;
-                    Ok(())
-                }
                 AddressbookPropName::AddressbookDescription => {
                     self.0.description = None;
                     Ok(())
@@ -135,6 +124,14 @@ impl Resource for AddressbookResource {
         }
     }
 
+    fn get_displayname(&self) -> Option<&str> {
+        self.0.displayname.as_deref()
+    }
+    fn set_displayname(&mut self, name: Option<String>) -> Result<(), rustical_dav::Error> {
+        self.0.displayname = name;
+        Ok(())
+    }
+
     fn get_owner(&self) -> Option<&str> {
         Some(&self.0.principal)
     }

crates/carddav/src/principal/mod.rs

@@ -54,12 +54,6 @@ impl Resource for PrincipalResource {
         Ok(match prop {
             PrincipalPropWrapperName::Principal(prop) => {
                 PrincipalPropWrapper::Principal(match prop {
-                    PrincipalPropName::Displayname => PrincipalProp::Displayname(
-                        self.principal
-                            .displayname
-                            .to_owned()
-                            .unwrap_or(self.principal.id.to_owned()),
-                    ),
                     PrincipalPropName::PrincipalUrl => PrincipalProp::PrincipalUrl(principal_href),
                     PrincipalPropName::AddressbookHomeSet => {
                         PrincipalProp::AddressbookHomeSet(home_set)
@@ -74,6 +68,15 @@ impl Resource for PrincipalResource {
         })
     }
 
+    fn get_displayname(&self) -> Option<&str> {
+        Some(
+            self.principal
+                .displayname
+                .as_ref()
+                .unwrap_or(&self.principal.id),
+        )
+    }
+
     fn get_owner(&self) -> Option<&str> {
         Some(&self.principal.id)
     }

crates/carddav/src/principal/prop.rs

@@ -7,9 +7,6 @@ pub struct AddressbookHomeSet(#[xml(ty = "untagged", flatten)] pub(super) Vec<Hr
 #[derive(XmlDeserialize, XmlSerialize, PartialEq, Clone, EnumVariants, PropName)]
 #[xml(unit_variants_ident = "PrincipalPropName")]
 pub enum PrincipalProp {
-    #[xml(ns = "rustical_dav::namespace::NS_DAV")]
-    Displayname(String),
-
     // WebDAV Access Control (RFC 3744)
     #[xml(rename = b"principal-URL")]
     #[xml(ns = "rustical_dav::namespace::NS_DAV")]