feat(dav): Add show_deleted parameter to get_resource

Fixes #86

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

@@ -45,7 +45,7 @@ pub async fn route_delete<R: ResourceService>(
     if_match: Option<IfMatch>,
     if_none_match: Option<IfNoneMatch>,
 ) -> Result<(), R::Error> {
-    let resource = resource_service.get_resource(path_components).await?;
+    let resource = resource_service.get_resource(path_components, true).await?;
 
     // Kind of a bodge since we don't get unbind from the parent
     let privileges = resource.get_user_privileges(principal)?;

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

@@ -49,7 +49,9 @@ pub(crate) async fn route_propfind<R: ResourceService>(
     resource_service: &R,
     puri: &impl PrincipalUri,
 ) -> Result<RSMultistatus<R>, R::Error> {
-    let resource = resource_service.get_resource(path_components).await?;
+    let resource = resource_service
+        .get_resource(path_components, false)
+        .await?;
     let privileges = resource.get_user_privileges(principal)?;
     if !privileges.has(&UserPrivilege::Read) {
         return Err(Error::Unauthorized.into());

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

@@ -85,7 +85,9 @@ pub(crate) async fn route_proppatch<R: ResourceService>(
         operations,
     ) = XmlDocument::parse_str(body).map_err(Error::XmlError)?;
 
-    let mut resource = resource_service.get_resource(path_components).await?;
+    let mut resource = resource_service
+        .get_resource(path_components, false)
+        .await?;
     let privileges = resource.get_user_privileges(principal)?;
     if !privileges.has(&UserPrivilege::Write) {
         return Err(Error::Unauthorized.into());

crates/dav/src/resource/resource_service.rs

@@ -34,7 +34,8 @@ pub trait ResourceService: Clone + Sized + Send + Sync + AxumMethods + 'static {
 
     async fn get_resource(
         &self,
-        _path: &Self::PathComponents,
+        path: &Self::PathComponents,
+        show_deleted: bool,
     ) -> Result<Self::Resource, Self::Error>;
 
     async fn save_resource(