[8.x] Added getAuthIdentifierForBroadcasting method

src/Illuminate/Auth/Authenticatable.php

@@ -31,6 +31,16 @@ public function getAuthIdentifier()
         return $this->{$this->getAuthIdentifierName()};
     }
 
+    /**
+     * Get the unique broadcast identifier for the user .
+     *
+     * @return mixed
+     */
+    public function getAuthIdentifierForBroadcasting()
+    {
+        return $this->getAuthIdentifier();
+    }
+
     /**
      * Get the password for the user.
      *

src/Illuminate/Broadcasting/Broadcasters/AblyBroadcaster.php

@@ -72,11 +72,14 @@ public function validAuthenticationResponse($request, $result)
 
         $channelName = $this->normalizeChannelName($request->channel_name);
 
+        $user = $this->retrieveUser($request, $channelName);
+        $broadcastIdentifier = method_exists($user, 'getAuthIdentifierForBroadcasting') ? $user->getAuthIdentifierForBroadcasting() : $user->getAuthIdentifier();
+
         $signature = $this->generateAblySignature(
             $request->channel_name,
             $request->socket_id,
             $userData = array_filter([
-                'user_id' => (string) $this->retrieveUser($request, $channelName)->getAuthIdentifier(),
+                'user_id' => (string) $broadcastIdentifier,
                 'user_info' => $result,
             ])
         );

src/Illuminate/Broadcasting/Broadcasters/PusherBroadcaster.php

@@ -71,11 +71,14 @@ public function validAuthenticationResponse($request, $result)
 
         $channelName = $this->normalizeChannelName($request->channel_name);
 
+        $user = $this->retrieveUser($request, $channelName);
+        $broadcastIdentifier = method_exists($user, 'getAuthIdentifierForBroadcasting') ? $user->getAuthIdentifierForBroadcasting() : $user->getAuthIdentifier();
+
         return $this->decodePusherResponse(
             $request,
             $this->pusher->presence_auth(
                 $request->channel_name, $request->socket_id,
-                $this->retrieveUser($request, $channelName)->getAuthIdentifier(), $result
+                $broadcastIdentifier, $result
             )
         );
     }

src/Illuminate/Broadcasting/Broadcasters/RedisBroadcaster.php

@@ -86,8 +86,11 @@ public function validAuthenticationResponse($request, $result)
 
         $channelName = $this->normalizeChannelName($request->channel_name);
 
+        $user = $this->retrieveUser($request, $channelName);
+        $broadcastIdentifier = method_exists($user, 'getAuthIdentifierForBroadcasting') ? $user->getAuthIdentifierForBroadcasting() : $user->getAuthIdentifier();
+
         return json_encode(['channel_data' => [
-            'user_id' => $this->retrieveUser($request, $channelName)->getAuthIdentifier(),
+            'user_id' => $broadcastIdentifier,
             'user_info' => $result,
         ]]);
     }

tests/Broadcasting/AblyBroadcasterTest.php

@@ -123,6 +123,8 @@ protected function getMockRequestWithUserForChannel($channel)
                 ->andReturn(false);
 
         $user = m::mock('User');
+        $user->shouldReceive('getAuthIdentifierForBroadcasting')
+             ->andReturn(42);
         $user->shouldReceive('getAuthIdentifier')
              ->andReturn(42);
 

tests/Broadcasting/PusherBroadcasterTest.php

@@ -161,6 +161,8 @@ protected function getMockRequestWithUserForChannel($channel)
                 ->andReturn(false);
 
         $user = m::mock('User');
+        $user->shouldReceive('getAuthIdentifierForBroadcasting')
+             ->andReturn(42);
         $user->shouldReceive('getAuthIdentifier')
              ->andReturn(42);
 

tests/Broadcasting/RedisBroadcasterTest.php

@@ -170,6 +170,8 @@ protected function getMockRequestWithUserForChannel($channel)
         $request->channel_name = $channel;
 
         $user = m::mock('User');
+        $user->shouldReceive('getAuthIdentifierForBroadcasting')
+             ->andReturn(42);
         $user->shouldReceive('getAuthIdentifier')
              ->andReturn(42);