added hasParticipant() method to Thread model

src/Cmgmyr/Messenger/Models/Thread.php

@@ -233,6 +233,22 @@ public function participantsString($userId=null, $columns=['name'])
         return implode(', ', $userNames);
     }
 
+    /**
+     * Checks to see if a user is a current participant of the thread
+     *
+     * @param $userId
+     * @return bool
+     */
+    public function hasParticipant($userId)
+    {
+        $participants = $this->participants()->where('user_id', '=', $userId);
+        if ($participants->count() > 0) {
+            return true;
+        }
+
+        return false;
+    }
+
     /**
      * Generates a select string used in participantsString()
      *

tests/EloquentThreadTest.php

@@ -247,4 +247,19 @@ public function it_should_get_participants_string()
         $string = $thread->participantsString(1, ['email']);
         $this->assertEquals("[email protected], [email protected]", $string);
     }
+
+    /** @test */
+    public function it_should_check_users_and_participants()
+    {
+        $thread = $this->faktory->create('thread');
+
+        $participant_1 = $this->faktory->build('participant');
+        $participant_2 = $this->faktory->build('participant', ['user_id' => 2]);
+
+        $thread->participants()->saveMany([$participant_1, $participant_2]);
+
+        $this->assertTrue($thread->hasParticipant(1));
+        $this->assertTrue($thread->hasParticipant(2));
+        $this->assertFalse($thread->hasParticipant(3));
+    }
 }