Allow reply to forum posts by REST api - refs #8366

main/forum/forumfunction.inc.php

@@ -3339,14 +3339,18 @@ function current_qualify_of_thread($threadId, $sessionId, $userId)
  * It also updates the forum_threads table (thread_replies +1 , thread_last_post, thread_date)
  * @param array $current_forum
  * @param array $values
+ * @param int $courseId Optional
+ * @param int $userId Optional
+ * @return array
  * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
  * @version february 2006, dokeos 1.8
  */
-function store_reply($current_forum, $values)
+function store_reply($current_forum, $values, $courseId = 0, $userId = 0)
 {
-    $_course = api_get_course_info();
+    $_course = api_get_course_info_by_id($courseId);
     $table_posts = Database :: get_course_table(TABLE_FORUM_POST);
     $post_date = api_get_utc_datetime();
+    $userId = $userId ?: api_get_user_id();
 
     if ($current_forum['approval_direct_post'] == '1' &&
         !api_is_allowed_to_edit(null, true)
@@ -3364,12 +3368,12 @@ function store_reply($current_forum, $values)
         $new_post_id = Database::insert(
             $table_posts,
             [
-                'c_id' => api_get_course_int_id(),
+                'c_id' => $courseId,
                 'post_title' => $values['post_title'],
                 'post_text' => isset($values['post_text']) ? ($values['post_text']) : null,
                 'thread_id' => $values['thread_id'],
                 'forum_id' => $values['forum_id'],
-                'poster_id' => api_get_user_id(),
+                'poster_id' => $userId,
                 'post_id' => 0,
                 'post_date' => $post_date,
                 'post_notification' => isset($values['post_notification']) ? $values['post_notification'] : null,
@@ -3406,7 +3410,7 @@ function store_reply($current_forum, $values)
                 TOOL_FORUM,
                 $values['forum_id'],
                 'NewMessageInForum',
-                api_get_user_id()
+                $userId
             );
 
             // Insert post
@@ -3415,7 +3419,7 @@ function store_reply($current_forum, $values)
                 TOOL_FORUM_POST,
                 $new_post_id,
                 'NewPost',
-                api_get_user_id()
+                $userId
             );
 
             if ($current_forum['approval_direct_post'] == '1' &&

main/inc/lib/webservices/Rest.php

@@ -33,6 +33,7 @@ class Rest extends WebService
     const ACTION_COURSE_FORUM_THREAD = 'course_forumthread';
     const ACTION_COURSE_LEARNPATHS = 'course_learnpaths';
     const ACTION_COURSE_LEARNPATH = 'course_learnpath';
+    const ACTION_SAVE_FORUM_POST = 'save_forum_post';
 
     const EXTRAFIELD_GCM_ID = 'gcm_registration_id';
 
@@ -829,4 +830,23 @@ class Rest extends WebService
         header("Location: $url");
         exit;
     }
+
+    /**
+     * @param array $postValues
+     * @param int $forumId
+     * @param int $courseId
+     * @return array
+     */
+    public function saveForumPost(array $postValues, $forumId, $courseId)
+    {
+        require_once api_get_path(SYS_CODE_PATH) . 'forum/forumfunction.inc.php';
+
+        $forum = get_forums($forumId);
+
+        store_reply($forum, $postValues, $courseId, $this->user->getId());
+
+        return [
+            'registered' => true
+        ];
+    }
 }

main/webservices/api/v2.php

@@ -166,6 +166,30 @@ try {
             $restApi->showLearningPath($lpId, $cidReq);
             break;
 
+        case Rest::ACTION_SAVE_FORUM_POST:
+            if (
+                empty($_POST['title']) || empty($_POST['text']) || empty($_POST['thread']) || empty($_POST['forum']) ||
+                empty($_POST['notify']) || empty($_POST['parent']) || empty($_POST['course'])
+            ) {
+                throw new Exception(get_lang('NoData'));
+            }
+
+            $courseId = intval($_POST['course']);
+
+            $postValues = [
+                'post_title' => $_POST['title'],
+                'post_text' => nl2br($_POST['text']),
+                'thread_id' => $_POST['thread'],
+                'forum_id' => $_POST['forum'],
+                'post_notification' => $_POST['notify'],
+                'post_parent_id' => $_POST['parent']
+            ];
+
+            $data = $restApi->saveForumPost($postValues, $forumId, $courseId);
+
+            $restResponse->setData($data);
+            break;
+
         default:
             throw new Exception(get_lang('InvalidAction'));
     }