chore(seeder): add seeders

The data fixtures can be loaded into the database using the
`application:fixtures:load` command. All existing records are `TRUNCATE`d from
the database to ensure a clean start.

module/Application/config/module.config.php

@@ -4,6 +4,7 @@
 
 namespace Application;
 
+use Application\Command\LoadFixtures;
 use Application\Controller\Factory\IndexControllerFactory;
 use Application\Controller\IndexController;
 use Application\View\Helper\BootstrapElementError;
@@ -148,6 +149,11 @@
             'message_separator_string' => '</li><li>',
         ],
     ],
+    'laminas-cli' => [
+        'commands' => [
+            'application:fixtures:load' => LoadFixtures::class,
+        ],
+    ],
     'doctrine' => [
         'driver' => [
             __NAMESPACE__ . '_driver' => [

module/Application/src/Command/Factory/LoadFixturesFactory.php

@@ -0,0 +1,24 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Application\Command\Factory;
+
+use Application\Command\LoadFixtures;
+use Doctrine\ORM\EntityManager;
+use Laminas\ServiceManager\Factory\FactoryInterface;
+use Psr\Container\ContainerInterface;
+
+class LoadFixturesFactory implements FactoryInterface
+{
+    public function __invoke(
+        ContainerInterface $container,
+        string $requestedName,
+        ?array $options = null,
+    ): LoadFixtures {
+        /** @var EntityManager $entityManager */
+        $entityManager = $container->get('doctrine.entitymanager.orm_default');
+
+        return new LoadFixtures($entityManager);
+    }
+}

module/Application/src/Command/LoadFixtures.php

@@ -0,0 +1,68 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Application\Command;
+
+use Doctrine\Common\DataFixtures\Executor\ORMExecutor;
+use Doctrine\Common\DataFixtures\Loader;
+use Doctrine\Common\DataFixtures\Purger\ORMPurger;
+use Doctrine\ORM\EntityManager;
+use Symfony\Component\Console\Attribute\AsCommand;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use Throwable;
+
+#[AsCommand(
+    name: 'application:fixtures:load',
+    description: 'Seed the database with data fixtures.',
+)]
+class LoadFixtures extends Command
+{
+    private const array FIXTURES = [
+        // './module/Activity/test/Seeder',
+        // './module/Company/test/Seeder',
+        './module/Decision/test/Seeder',
+        // './module/Education/test/Seeder',
+        // './module/Frontpage/test/Seeder',
+        // './module/Photo/test/Seeder',
+        './module/User/test/Seeder',
+    ];
+
+    public function __construct(private readonly EntityManager $entityManager)
+    {
+        parent::__construct();
+    }
+
+    protected function execute(
+        InputInterface $input,
+        OutputInterface $output,
+    ): int {
+        $loader = new Loader();
+        $purger = new ORMPurger();
+        $purger->setPurgeMode(ORMPurger::PURGE_MODE_TRUNCATE);
+        $executor = new ORMExecutor($this->entityManager, $purger);
+
+        foreach ($this::FIXTURES as $fixture) {
+            $loader->loadFromDirectory($fixture);
+        }
+
+        $output->writeln('<info>Loading fixtures into the database...</info>');
+
+        $connection = $this->entityManager->getConnection();
+        try {
+            // Temporarily disable FK constraint checks. This is necessary because large parts of our database do not have
+            // explicit CASCADEs set to prevent data loss when syncing with ReportDB (GEWISDB).
+            // The try-catch is necessary to hide some error messages (because the executeStatement).
+            $connection->executeStatement('SET FOREIGN_KEY_CHECKS = 0');
+            $executor->execute($loader->getFixtures());
+            $connection->executeStatement('SET FOREIGN_KEY_CHECKS = 1');
+        } catch (Throwable) {
+        }
+
+        $output->writeln('<info>Loaded fixtures!</info>');
+
+        return Command::SUCCESS;
+    }
+}

module/Application/src/Module.php

@@ -4,6 +4,8 @@
 
 namespace Application;
 
+use Application\Command\Factory\LoadFixturesFactory as LoadFixturesCommandFactory;
+use Application\Command\LoadFixtures as LoadFixturesCommand;
 use Application\Extensions\CommonMark\CompanyImage\CompanyImageExtension;
 use Application\Extensions\CommonMark\NoImage\NoImageExtension;
 use Application\Extensions\CommonMark\VideoIframe\VideoIframeExtension;
@@ -266,6 +268,7 @@ public function generateSignature(
 
                     return new UrlBuilder($config['glide']['base_url'], $signature);
                 },
+                LoadFixturesCommand::class => LoadFixturesCommandFactory::class,
             ],
         ];
     }

module/Decision/src/Model/AssociationYear.php

@@ -15,8 +15,8 @@ class AssociationYear
     /**
      * A GEWIS association year starts 01-07.
      */
-    public const ASSOCIATION_YEAR_START_MONTH = 7;
-    public const ASSOCIATION_YEAR_START_DAY = 1;
+    public const int ASSOCIATION_YEAR_START_MONTH = 7;
+    public const int ASSOCIATION_YEAR_START_DAY = 1;
 
     /** @var int the first calendar year of the association year */
     protected int $firstYear;