Added function to deactivate post

App/Models/Post.php

@@ -37,11 +37,16 @@ class Post extends \Core\Model
         try {
             $db = static::connectDB();
 
-            $sql = "SELECT * FROM pengumuman ORDER BY created_at";
+            $sql = "SELECT * FROM pengumuman WHERE status = ? ORDER BY created_at";
 
-            if ($stmt = $db->query($sql)) {
-                $result = $stmt->fetchAll(\PDO::FETCH_ASSOC);
-                return $result;
+            $query = $db->prepare($sql);
+            $query->bindValue(1, 1);
+
+            if ($query->execute()) {
+                if ($query->rowCount() != 0) {
+                    $result = $query->fetchAll(\PDO::FETCH_ASSOC);
+                    return $result;
+                }
             }
         } catch (PDOException $e) {
             echo $e->getMessage();