check delete

Author: alainm23

core/Objects/Project.vala

@@ -254,11 +254,9 @@ public class Objects.Project : Objects.BaseObject {
         }
     }
 
-    // The old implementation checked for "deck--board" in the id, this no longer works.
-    // TODO: Find found why there was seperation for deck projects, maybe find another way to detect it.
     public bool is_deck {
         get {
-            return false;
+            return "deck--board" in calendar_url.down ();
         }
     }
 

core/Services/CalDAV/CalDAVClient.vala

@@ -172,23 +172,49 @@ public class Services.CalDAV.CalDAVClient : Services.CalDAV.WebDAVClient {
                             <d:sync-token />
                             <ical:calendar-color />
                             <cal:supported-calendar-component-set />
+                            <x3:deleted-at xmlns:x3="http://nextcloud.com/ns"/>
                         </d:prop>
                     </d:propfind>
         """;
 
         var multi_status = yield propfind (source.caldav_data.calendar_home_url, xml, "1", cancellable);
 
-        // TODO: Implement check for deleted calendars
+
+        // Delete CalDAV Generic
+        var server_urls = new Gee.HashSet<string> ();
+        foreach (var response in multi_status.responses ()) {
+            if (response.href != null) {
+                server_urls.add (get_absolute_url (response.href));
+            }
+        }
+
+        var local_projects = Services.Store.instance ().get_projects_by_source (source.id);
+        foreach (var local_project in local_projects) {
+            if (!server_urls.contains (local_project.calendar_url)) {
+                Services.Store.instance ().delete_project (local_project);
+            }
+        }
 
         foreach (var response in multi_status.responses ()) {
             string? href = response.href;
 
             foreach (var propstat in response.propstats ()) {
-                if (propstat.status != Soup.Status.OK) continue;
+                if (propstat.status != Soup.Status.OK) {
+                    continue;
+                }
 
                 var resourcetype = propstat.get_first_prop_with_tagname ("resourcetype");
                 var supported_calendar = propstat.get_first_prop_with_tagname ("supported-calendar-component-set");
 
+                if (is_deleted_calendar (resourcetype)) {
+                    Objects.Project ? project = Services.Store.instance ().get_project_via_url (get_absolute_url (href));
+                    if (project != null) {
+                        Services.Store.instance ().delete_project (project);
+                    }
+
+                    continue;
+                }
+
                 if (is_vtodo_calendar (resourcetype, supported_calendar)) {
                     var name = propstat.get_first_prop_with_tagname ("displayname");
 
@@ -597,4 +623,12 @@ public class Services.CalDAV.CalDAVClient : Services.CalDAV.WebDAVClient {
 
         return false;
     }
-}
+
+    public bool is_deleted_calendar (GXml.DomElement? resourcetype) {
+        if (resourcetype == null) {
+            return false;
+        }
+
+        return resourcetype.get_elements_by_tag_name ("deleted-calendar").length > 0;
+    }
+}