Add hasUnreadMention to NCRoom object.

Signed-off-by: Ivan Sein <ivan@nextcloud.com>

NextcloudTalk/NCRoom.h

@@ -104,6 +104,7 @@ extern NSString * const NCRoomObjectTypeSharePassword;
 - (BOOL)isNameEditable;
 - (BOOL)isLeavable;
 - (BOOL)userCanStartCall;
+- (BOOL)hasUnreadMention;
 - (NSString *)deletionMessage;
 - (NSString *)notificationLevelString;
 - (NSString *)stringForNotificationLevel:(NCRoomNotificationLevel)level;

NextcloudTalk/NCRoom.m

@@ -176,6 +176,11 @@ NSString * const NCRoomObjectTypeSharePassword  = @"share:password";
     return YES;
 }
 
+- (BOOL)hasUnreadMention
+{
+    return self.unreadMention || self.unreadMentionDirect || (self.type == kNCRoomTypeOneToOne && self.unreadMessages > 0);
+}
+
 - (BOOL)isLeavable
 {
     // Allow users to leave when there are no moderators in the room

NextcloudTalk/RoomsTableViewController.m

@@ -481,7 +481,7 @@ typedef void (^FetchRoomsCompletionBlock)(BOOL success);
     _lastRoomWithMentionIndexPath = nil;
     for (int i = 0; i < _rooms.count; i++) {
         NCRoom *room = [_rooms objectAtIndex:i];
-        if (room.unreadMention || room.unreadMentionDirect || (room.type == kNCRoomTypeOneToOne && room.unreadMessages > 0)) {
+        if (room.hasUnreadMention) {
             _lastRoomWithMentionIndexPath = [NSIndexPath indexPathForRow:i inSection:0];
         }
     }
@@ -601,7 +601,7 @@ typedef void (^FetchRoomsCompletionBlock)(BOOL success);
     if (_lastRoomWithMentionIndexPath) {
         for (int i = (int)lastVisibleRowIndexPath.row; i <= (int)_lastRoomWithMentionIndexPath.row; i++) {
             NCRoom *room = [_rooms objectAtIndex:i];
-            if (room.unreadMention || room.unreadMentionDirect || (room.type == kNCRoomTypeOneToOne && room.unreadMessages > 0)) {
+            if (room.hasUnreadMention) {
                 _nextRoomWithMentionIndexPath = [NSIndexPath indexPathForRow:i inSection:0];
                 break;
             }