Avoid PHP warning if an incorrect payload is received

Author: fguillot

Plugin.php

@@ -54,7 +54,7 @@ public function getPluginAuthor()
 
     public function getPluginVersion()
     {
-        return '1.0.4';
+        return '1.0.5';
     }
 
     public function getPluginHomepage()

WebhookHandler.php

@@ -75,6 +75,10 @@ public function parsePayload($type, array $payload)
      */
     public function parsePushEvent(array $payload)
     {
+        if (empty($payload['commits'])) {
+            return false;
+        }
+
         foreach ($payload['commits'] as $commit) {
             $task_id = $this->taskModel->getTaskIdFromText($commit['message']);
 
@@ -115,6 +119,10 @@ public function parsePushEvent(array $payload)
      */
     public function parseIssueEvent(array $payload)
     {
+        if (empty($payload['action'])) {
+            return false;
+        }
+
         switch ($payload['action']) {
             case 'opened':
                 return $this->handleIssueOpened($payload['issue']);
@@ -144,6 +152,10 @@ public function parseIssueEvent(array $payload)
      */
     public function parseCommentIssueEvent(array $payload)
     {
+        if (empty($payload['issue'])) {
+            return false;
+        }
+
         $task = $this->taskFinderModel->getByReference($this->project_id, $payload['issue']['number']);
 
         if (! empty($task)) {