mvp.10

delete_process.php

@@ -6,16 +6,27 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['id'])) {
 
     try {
         $pdo = db();
-        $stmt = $pdo->prepare("DELETE FROM processes WHERE id = :id");
+        $pdo->beginTransaction();
-        $stmt->bindParam(':id', $id, PDO::PARAM_INT);
+
-        if ($stmt->execute()) {
+        // Delete associated steps first
+        $stmtSteps = $pdo->prepare("DELETE FROM process_steps WHERE process_id = :id");
+        $stmtSteps->bindParam(':id', $id, PDO::PARAM_INT);
+        $stmtSteps->execute();
+
+        // Then delete the process
+        $stmtProcess = $pdo->prepare("DELETE FROM processes WHERE id = :id");
+        $stmtProcess->bindParam(':id', $id, PDO::PARAM_INT);
+        if ($stmtProcess->execute()) {
+            $pdo->commit();
             header('Location: index.php?success=processdeleted');
             exit();
         } else {
+            $pdo->rollBack();
             header('Location: index.php?error=deletionfailed');
             exit();
         }
     } catch (PDOException $e) {
+        $pdo->rollBack();
         error_log("DB Error: " . $e->getMessage());
         header('Location: index.php?error=dberror');
         exit();