Fehlerbehebung

php/ajax/add-comment.php

@@ -32,7 +32,7 @@ if (empty($articleId) || empty($content)) {
 try {
     $commentManager = CommentManager::getInstance();
 
-    $commentManager->addComment(
+    $commentId = $commentManager->addComment(
         $articleId,
         $_SESSION["user_email"],
         $content,
@@ -41,6 +41,7 @@ try {
 
     echo json_encode([
         "success" => true,
+        "commentId" => $commentId,
         "author" => $_SESSION["user_email"],
         "content" => $content,
         "created" => date("Y-m-d H:i:s"),

php/model/CommentManagerDAO.php

@@ -23,7 +23,7 @@ interface CommentManagerDAO
      * @param string $content Inhalt des Kommentars
      * @param int|null $parentCommentId ID des Eltern-Kommentars oder null
      *
-     * @return void
+     * @return int ID des neu gespeicherten Kommentars
      */
     public function addComment(
         $articleId,

php/model/DatabaseCommentManager.php

@@ -102,7 +102,7 @@ class DatabaseCommentManager implements CommentManagerDAO
      * @param string $content Inhalt des Kommentars
      * @param int|null $parentCommentId ID des Eltern-Kommentars oder null
      *
-     * @return void
+     * @return int ID des neu gespeicherten Kommentars
      */
     public function addComment(
         $articleId,
@@ -141,6 +141,8 @@ class DatabaseCommentManager implements CommentManagerDAO
                 ":content" => $content
             ]);
 
+            return intval($db->lastInsertId());
+
         } catch (PDOException $e) {
             throw new RuntimeException(
                 "Kommentar konnte nicht gespeichert werden."
@@ -162,22 +164,22 @@ class DatabaseCommentManager implements CommentManagerDAO
             $db = $this->getConnection();
 
             $sql = "
-            SELECT
-                id,
-                article_id,
-                CASE
-                    WHEN parent_comment_id IS NULL THEN NULL
-                    WHEN parent_comment_id = '' THEN NULL
-                    WHEN parent_comment_id = 0 THEN NULL
-                    ELSE parent_comment_id
-                END AS parent_comment_id,
-                author,
-                content,
-                created
-            FROM comments
-            WHERE article_id = :articleId
-            ORDER BY created ASC
-        ";
+                SELECT
+                    id,
+                    article_id,
+                    CASE
+                        WHEN parent_comment_id IS NULL THEN NULL
+                        WHEN parent_comment_id = '' THEN NULL
+                        WHEN parent_comment_id = 0 THEN NULL
+                        ELSE parent_comment_id
+                    END AS parent_comment_id,
+                    author,
+                    content,
+                    created
+                FROM comments
+                WHERE article_id = :articleId
+                ORDER BY created ASC
+            ";
 
             $command = $db->prepare($sql);