Show an error message in table instead of a 500 error when MySQL encounters an invalid Regex expression

This fixes issue #289

src/Controller/PartListsController.php

@@ -22,6 +22,7 @@ declare(strict_types=1);
 
 namespace App\Controller;
 
+use App\DataTables\ErrorDataTable;
 use App\DataTables\Filters\PartFilter;
 use App\DataTables\Filters\PartSearchFilter;
 use App\DataTables\PartsDataTable;
@@ -33,6 +34,7 @@ use App\Entity\Parts\Supplier;
 use App\Form\Filters\PartFilterType;
 use App\Services\Parts\PartsTableActionHandler;
 use App\Services\Trees\NodesListBuilder;
+use Doctrine\DBAL\Exception\DriverException;
 use Doctrine\ORM\EntityManagerInterface;
 use Omines\DataTablesBundle\DataTableFactory;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
@@ -41,6 +43,7 @@ use Symfony\Component\HttpFoundation\JsonResponse;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\Routing\Annotation\Route;
+use Symfony\Contracts\Translation\TranslatorInterface;
 
 class PartListsController extends AbstractController
 {
@@ -48,11 +51,14 @@ class PartListsController extends AbstractController
     private NodesListBuilder $nodesListBuilder;
     private DataTableFactory $dataTableFactory;
 
-    public function __construct(EntityManagerInterface $entityManager, NodesListBuilder $nodesListBuilder, DataTableFactory $dataTableFactory)
+    private TranslatorInterface $translator;
+
+    public function __construct(EntityManagerInterface $entityManager, NodesListBuilder $nodesListBuilder, DataTableFactory $dataTableFactory, TranslatorInterface $translator)
     {
         $this->entityManager = $entityManager;
         $this->nodesListBuilder = $nodesListBuilder;
         $this->dataTableFactory = $dataTableFactory;
+        $this->translator = $translator;
     }
 
     /**
@@ -144,7 +150,21 @@ class PartListsController extends AbstractController
             ->handleRequest($request);
 
         if ($table->isCallback()) {
-            return $table->getResponse();
+            try {
+                return $table->getResponse();
+            } catch (DriverException $driverException) {
+                if ($driverException->getCode() === 1139) {
+
+                    //Show only the part after "1139"
+                    $regex_message = preg_replace('/^.*1139 /', '', $driverException->getMessage());
+
+                    $errors = $this->translator->trans('part.table.invalid_regex') . ': ' . $regex_message;
+
+                   return ErrorDataTable::errorTable($this->dataTableFactory, $request, $errors);
+                } else {
+                    throw $driverException;
+                }
+            }
         }
 
         return $this->render($template, array_merge([

src/DataTables/ErrorDataTable.php

@@ -0,0 +1,85 @@
+<?php
+/*
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ *  Copyright (C) 2019 - 2023 Jan Böhmer (https://github.com/jbtronics)
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published
+ *  by the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+namespace App\DataTables;
+
+use App\DataTables\Column\RowClassColumn;
+use App\Entity\Parts\Part;
+use Omines\DataTablesBundle\Adapter\ArrayAdapter;
+use Omines\DataTablesBundle\Column\TextColumn;
+use Omines\DataTablesBundle\DataTable;
+use Omines\DataTablesBundle\DataTableFactory;
+use Omines\DataTablesBundle\DataTableTypeInterface;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\OptionsResolver\OptionsResolver;
+
+class ErrorDataTable implements DataTableTypeInterface
+{
+    public function configureOptions(OptionsResolver $optionsResolver): void
+    {
+        $optionsResolver->setRequired('errors');
+        $optionsResolver->setAllowedTypes('errors', ['array', 'string']);
+        $optionsResolver->setNormalizer('errors', function (OptionsResolver $optionsResolver, $errors) {
+            if (is_string($errors)) {
+                $errors = [$errors];
+            }
+
+            return $errors;
+        });
+    }
+
+    public function configure(DataTable $dataTable, array $options)
+    {
+        $optionsResolver = new OptionsResolver();
+        $this->configureOptions($optionsResolver);
+        $options = $optionsResolver->resolve($options);
+
+        $dataTable
+            ->add('dont_matter_we_only_set_color', RowClassColumn::class, [
+                'render' => function ($value, $context) {
+                    return 'table-warning';
+                },
+            ])
+
+            ->add('error', TextColumn::class, [
+                'label' => 'error_table.error',
+                'render' => function ($value, $context) {
+                    return '<i class="fa-solid fa-triangle-exclamation fa-fw"></i> ' . $value;
+                },
+            ])
+        ;
+
+        //Build the array containing data
+        $data = [];
+        foreach ($options['errors'] as $error) {
+            $data[] = ['error' => $error];
+        }
+
+        $dataTable->createAdapter(ArrayAdapter::class, $data);
+    }
+
+    public static function errorTable(DataTableFactory $dataTableFactory, Request $request, $errors): Response
+    {
+        $error_table = $dataTableFactory->createFromType(self::class, ['errors' => $errors]);
+        $error_table->handleRequest($request);
+        return $error_table->getResponse();
+    }
+}