(fix) also try to get event using its UID before bailing out

ActiveSync/SOGoActiveSyncDispatcher+Sync.m

@@ -189,7 +189,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   processIdentifierInCache = [[self globalMetadataForDevice] objectForKey: key];
 
   // Don't update the cache if another request is processing the same collection.
-  // I case of a merged folder we have to check personal folder's lock.
+  // In case of a merged folder we have to check personal folder's lock.
   a = [key componentsSeparatedByString: @"/"];
   pkey = [NSString stringWithFormat: @"%@/personal", [a objectAtIndex:0]];
 

ActiveSync/SOGoActiveSyncDispatcher.m

@@ -290,6 +290,39 @@ void handle_eas_terminate(int signum)
   return theIdToTranslate;
 }
 
+//
+//
+//
+- (SOGoAppointmentObject *) _eventObjectWithUID: (NSString *) uid
+{
+  SOGoAppointmentFolder *folder;
+  SOGoAppointmentObject *eventObject;
+  NSArray *folders;
+  NSEnumerator *e;
+  NSString *cname;
+
+  eventObject = nil;
+
+  folders = [[[context activeUser] calendarsFolderInContext: context] subFolders];
+  e = [folders objectEnumerator];
+  while (eventObject == nil && (folder = [e nextObject]))
+    {
+      cname = [folder resourceNameForEventUID: uid];
+      if (cname)
+        {
+          eventObject = [folder lookupName: cname inContext: context
+                                   acquire: NO];
+          if ([eventObject isKindOfClass: [NSException class]])
+            eventObject = nil;
+        }
+    }
+
+  if (eventObject)
+    return eventObject;
+  else
+    return [NSException exceptionWithHTTPStatus:404 /* Not Found */];
+}
+
 //
 //
 //
@@ -1848,6 +1881,9 @@ void handle_eas_terminate(int signum)
                                            inContext: context
                                              acquire: NO];
 
+          if ([appointmentObject isKindOfClass: [NSException class]])
+            appointmentObject = [self _eventObjectWithUID:[event uid]];
+
           // Create the appointment if it is not added to calendar yet
           if ([appointmentObject isKindOfClass: [NSException class]])
             {