add mutualFriendsCount

merodiro · May 16, 2018 · 180dbb2 · 180dbb2
1 parent 0f54270
commit 180dbb2
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Showing 2 changed files with 9 additions and 0 deletions.
diff --git a/src/Friendable.php b/src/Friendable.php
@@ -121,6 +121,14 @@ public function isFriendsWith($user)
         return $friendshipStatus === 'friends';
     }
 
+    public function mutualFriendsCount($user)
+    {
+        $userFriends = $user->friends_ids();
+        $friends = $this->friends_ids();
+
+        return $userFriends->intersect($friends)->count();
+    }
+
     public function mutualFriends($user)
     {
         $userFriends = $user->friends_ids();

diff --git a/tests/FriendshipsTest.php b/tests/FriendshipsTest.php
@@ -234,6 +234,7 @@ public function it_returns_mutual_friends()
         $user2->addFriend($user6);
         $user6->acceptFriend($user2);
 
+        $this->assertEquals(2, $user1->mutualFriendsCount($user2));
         $this->assertCount(2, $user1->mutualFriends($user2));
         $this->assertEquals([$user3->toArray(), $user6->toArray()], $user1->mutualFriends($user2)->toArray());
     }