.

php/model/DatabaseArticleManager.php

@@ -63,12 +63,9 @@ class DatabaseArticleManager implements ArticleManagerDAO {
                     VALUES (:title, :content, :author, :category, :tags);";
 
             $command = $db->prepare($sql);
-            if (!$command) {
-                throw new InternalServerErrorException("internal_error");
-            }
 
             // Verknüpft die übergebenen Parameter exakt mit den SQL-Platzhaltern
-            $success = $command->execute([
+            $command->execute([
                 ":title"    => $title,
                 ":content"  => $content,
                 ":author"   => $author,
@@ -76,14 +73,10 @@ class DatabaseArticleManager implements ArticleManagerDAO {
                 ":tags"     => $tags
             ]);
 
-            if (!$success) {
-                throw new InternalServerErrorException("internal_error");
-            }
-
             return intval($db->lastInsertId());
 
         } catch (PDOException $e) {
-            throw new InternalServerErrorException($e->getMessage());
+            throw new InternalServerErrorException("internal_error");
         }
     }
 
@@ -106,11 +99,8 @@ class DatabaseArticleManager implements ArticleManagerDAO {
                     WHERE id = :id;";
 
             $command = $db->prepare($sql);
-            if (!$command) {
-                throw new InternalServerErrorException("internal_error");
-            }
 
-            $success = $command->execute([
+            $command->execute([
                 ":id"       => $id,
                 ":title"    => $article->getTitle(),
                 ":content"  => $article->getContent(),
@@ -120,7 +110,7 @@ class DatabaseArticleManager implements ArticleManagerDAO {
             ]);
 
             // rowCount() prüft, ob eine Zeile mit dieser ID existierte und geändert werden konnte
-            if (!$success || $command->rowCount() === 0) {
+            if ($command->rowCount() === 0) {
                 // Falls die ID nicht existiert, prüfen wir, ob sie überhaupt da ist
                 if (!$this->getArticle($id)) {
                     throw new NotFoundException("missing_id");
@@ -148,13 +138,7 @@ class DatabaseArticleManager implements ArticleManagerDAO {
             $sql = "DELETE FROM articles WHERE id = :id;";
 
             $command = $db->prepare($sql);
-            if (!$command) {
-                throw new InternalServerErrorException("internal_error");
-            }
-
-            if (!$command->execute([":id" => $id])) {
-                throw new InternalServerErrorException("internal_error");
-            }
+            $command->execute([":id" => $id]);
         } catch (PDOException $exc) {
             throw new InternalServerErrorException("internal_error");
         }
@@ -167,10 +151,6 @@ class DatabaseArticleManager implements ArticleManagerDAO {
             $sql = "SELECT * FROM articles WHERE id = :id;";
 
             $command = $db->prepare($sql);
-            if (!$command) {
-                throw new InternalServerErrorException("internal_error");
-            }
-
             $command->execute([":id" => $id]);
             $row = $command->fetch(PDO::FETCH_ASSOC);
 
@@ -202,10 +182,6 @@ class DatabaseArticleManager implements ArticleManagerDAO {
             $sql = "SELECT * FROM articles;";
 
             $command = $db->query($sql);
-            if (!$command) {
-                throw new InternalServerErrorException("internal_error");
-            }
-
             $rows = $command->fetchAll(PDO::FETCH_ASSOC);
             $articles = [];
 
@@ -234,10 +210,6 @@ class DatabaseArticleManager implements ArticleManagerDAO {
             $sql = "SELECT * FROM articles WHERE author = :author;";
 
             $command = $db->prepare($sql);
-            if (!$command) {
-                throw new InternalServerErrorException("internal_error");
-            }
-
             $command->execute([":author" => $author]);
             $rows = $command->fetchAll(PDO::FETCH_ASSOC);
             $filteredArticles = [];
@@ -270,10 +242,6 @@ class DatabaseArticleManager implements ArticleManagerDAO {
             $sql = "SELECT * FROM articles WHERE category = :category;";
 
             $command = $db->prepare($sql);
-            if (!$command) {
-                throw new InternalServerErrorException("internal_error");
-            }
-
             $command->execute([":category" => $category]);
             $rows = $command->fetchAll(PDO::FETCH_ASSOC);
             $filteredArticles = [];
@@ -310,7 +278,7 @@ class DatabaseArticleManager implements ArticleManagerDAO {
 
         try {
             $db = $this->getConnection();
-            
+
             $sql = "SELECT id, title, content, author, category, tags, created 
                 FROM articles 
                 WHERE title LIKE :keyword 
@@ -318,20 +286,14 @@ class DatabaseArticleManager implements ArticleManagerDAO {
                 OR tags LIKE :keyword;";
 
             $command = $db->prepare($sql);
-            if (!$command) {
-                throw new InternalServerErrorException("internal_error");
-            }
 
-            // Wildcards für die SQL-Suche hinzufügen
+            // Wildcards für die Suche hinzufügen
             $searchParam = '%' . $cleankeyword . '%';
-            $success = $command->execute([
+
+            $command->execute([
                 ":keyword" => $searchParam
             ]);
 
-            if (!$success) {
-                throw new InternalServerErrorException("internal_error");
-            }
-
             $rows = $command->fetchAll(PDO::FETCH_ASSOC);
             $filteredArticles = [];
 
@@ -358,7 +320,6 @@ class DatabaseArticleManager implements ArticleManagerDAO {
         }
     }
 
-
     /**
      * Holt alle User-IDs, die einen bestimmten Beitrag geliked haben.
      *