add comment methods for task service

src/Entity/Request/TaskRequest.php

@@ -98,6 +98,7 @@ class TaskRequest extends BasicRequest
         'userId',
         'groupId',
         'type',
-        'variables'
+        'variables',
+        'message'
     ];
 }

src/Service/TaskService.php

@@ -12,6 +12,37 @@
 
 class TaskService extends BasicService
 {
+    public function getCommentList($taskId)
+    {
+        $this->setRequestUrl('/task/' . $taskId . '/comment')
+            ->setRequestMethod('GET')
+            ->setRequestContentType('QUERY')
+            ->run();
+
+        return $this->getResponseContents();
+    }
+
+    public function getComment($taskId, $commentId)
+    {
+        $this->setRequestUrl('/task/' . $taskId . '/comment/' . $commentId)
+            ->setRequestMethod('GET')
+            ->setRequestContentType('QUERY')
+            ->run();
+
+        return $this->getResponseContents();
+    }
+
+    public function createComment($taskId, $taskRequest = null)
+    {
+        $this->setRequestUrl('/task/' . $taskId . '/comment/create')
+            ->setRequestMethod('POST')
+            ->setRequestContentType('JSON')
+            ->setRequestObject($taskRequest)
+            ->run();
+
+        return $this->getResponseContents();
+    }
+
     public function getIdentityLinks($taskId, $taskRequest = null)
     {
         $this->setRequestUrl('/task/' . $taskId . '/identity-links')

tests/Service/TaskServiceTest.php

@@ -23,4 +23,13 @@ public function testCompleteTask()
 
         echo $taskService->complete($taskId, $taskRequest);
     }
+
+    public function testGetCommentList()
+    {
+        $taskService = new TaskService(self::CAMUNDA_REST_HOST);
+
+        $taskId = 'e1a2d7a6-dce0-11e7-901d-005056c00008';
+
+        var_dump($taskService->getCommentList($taskId));
+    }
 }