Parameterize config to accept connection names.

 - `TaskHandler` still needs to be updated. Might look for some input there.

Author: atrauzzi

src/CloudTasksQueue.php

@@ -52,19 +52,19 @@ public function later($delay, $job, $data = '', $queue = null)
     protected function pushToCloudTasks($queue, $payload, $delay = 0, $attempts = 0)
     {
         $queue = $this->getQueue($queue);
-        $queueName = $this->client->queueName(Config::project(), Config::location(), $queue);
+        $queueName = $this->client->queueName(Config::project($this->connectionName), Config::location($this->connectionName), $queue);
         $availableAt = $this->availableAt($delay);
 
         $httpRequest = $this->createHttpRequest();
-        $httpRequest->setUrl(Config::handler());
+        $httpRequest->setUrl(Config::handler($this->connectionName));
         $httpRequest->setHttpMethod(HttpMethod::POST);
         $httpRequest->setBody($payload);
 
         $task = $this->createTask();
         $task->setHttpRequest($httpRequest);
 
         $token = new OidcToken;
-        $token->setServiceAccountEmail(Config::serviceAccountEmail());
+        $token->setServiceAccountEmail(Config::serviceAccountEmail($this->connectionName));
         $httpRequest->setOidcToken($token);
 
         if ($availableAt > time()) {

src/Config.php

@@ -6,29 +6,29 @@
 
 class Config
 {
-    public static function credentials()
+    public static function credentials($connection = 'cloudtasks')
     {
-        return config('queue.connections.cloudtasks.credentials');
+        return config("queue.connections.{$connection}.credentials");
     }
 
-    public static function project()
+    public static function project($connection = 'cloudtasks')
     {
-        return config('queue.connections.cloudtasks.project');
+        return config("queue.connections.{$connection}.project");
     }
 
-    public static function location()
+    public static function location($connection = 'cloudtasks')
     {
-        return config('queue.connections.cloudtasks.location');
+        return config("queue.connections.{$connection}.location");
     }
 
-    public static function handler()
+    public static function handler($connection = 'cloudtasks')
     {
-        return config('queue.connections.cloudtasks.handler');
+        return config("queue.connections.{$connection}.handler");
     }
 
-    public static function serviceAccountEmail()
+    public static function serviceAccountEmail($connection = 'cloudtasks')
     {
-        return config('queue.connections.cloudtasks.service_account_email');
+        return config("queue.connections.{$connection}.service_account_email");
     }
 
     public static function validate(array $config)