Public rooms search: Do a AND search on public rooms

Vector/Model/RoomList/PublicRoomsDirectoryDataSource.h

@@ -39,7 +39,7 @@
 
 /**
  The filter being applied. Nil if there is no filter.
- A 'OR' search is made on the strings of the array. 
+ A 'AND' search is made with the strings of the array.
  Setting a new value may trigger a request to the home server. So, the data source state
  may change to MXKDataSourceStatePreparing.
  */

Vector/Model/RoomList/PublicRoomsDirectoryDataSource.m

@@ -124,15 +124,21 @@ double const kPublicRoomsDirectoryDataExpiration = 10;
         {
             if ([filteredRooms indexOfObjectIdenticalTo:publicRoom] == NSNotFound)
             {
-                // Do a OR search
+                // Do a AND search
+                BOOL matchAll = YES;
                 for (NSString *pattern in _searchPatternsList)
                 {
-                    if ([publicRoom.displayname rangeOfString:pattern options:NSCaseInsensitiveSearch].location != NSNotFound)
+                    if (pattern.length && NO == [publicRoom.displayname localizedCaseInsensitiveContainsString:pattern])
                     {
-                        [filteredRooms addObject:publicRoom];
+                        matchAll = NO;
                         break;
                     }
                 }
+
+                if (matchAll)
+                {
+                    [filteredRooms addObject:publicRoom];
+                }
             }
         }
 

Vector/ViewController/HomeViewController.m

@@ -490,10 +490,13 @@
     {
         self.selectedViewController.view.hidden = NO;
 
+        // Do a AND search on words separated by a space
+        NSArray *patterns = [searchBar.text componentsSeparatedByString:@" "];
+
         // Forward the search request to the data source
         if (self.selectedViewController == recentsViewController)
         {
-            [recentsDataSource searchWithPatterns:@[searchBar.text]];
+            [recentsDataSource searchWithPatterns:patterns];
             recentsViewController.shouldScrollToTopOnRefresh = YES;
         }
     }