add delete language grids command

application/src/MagicWordBundle/Command/DeleteGridCommand.php

+<?php
+
+namespace MagicWordBundle\Command;
+
+use LexiconBundle\Manager\ImportManager;
+use LexiconBundle\Entity\Language;
+use LexiconBundle\Entity\Root;
+use LexiconBundle\Entity\Word;
+use LexiconBundle\Entity\WordStart;
+use MagicWordBundle\Entity\Grid;
+use MagicWordBundle\Entity\Game;
+use MagicWordBundle\Entity\Round;
+use MagicWordBundle\Entity\Score;
+use MagicWordBundle\Entity\WrongForm;
+use MagicWordBundle\Entity\FoundableForm;
+use MagicWordBundle\Entity\Objective;
+
+use Symfony\Component\Filesystem\Filesystem;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Bundle\FrameworkBundle\Command\ContainerAwareCommand;
+
+class DeleteGridCommand extends ContainerAwareCommand
+{
+    protected function configure()
+    {
+        $this
+          ->setName('magicword:delete-grid')
+          ->setDescription('Delete lexicon from db & bigram.txt files')
+          ->addArgument('id_lexicon', InputArgument::REQUIRED, 'id of lexicon you want to delete');
+    }
+
+    protected function execute(InputInterface $input, OutputInterface $output)
+    {
+        $output->writeln('<info>############ SUPPRESSION GRIDS #############</info>');
+
+        $em = $this->getContainer()->get('doctrine')->getEntityManager('default');
+        $idLexicon = $input->getArgument('id_lexicon');
+
+        if ($idLexicon) {
+            $language = $em->getRepository(Language::class)->find($idLexicon);
+            echo 'You passed an argument: ' . $idLexicon . "\n\n";
+
+            $games = $em->getRepository(Game::class)->findByLanguage($language);
+            foreach ($games as $game) {
+                $scores =  $em->getRepository(Score::class)->findByGame($game);
+                foreach ($scores as $score) {
+                    $em->remove($score);
+                    foreach ($score->getActivities() as $activity) {
+                        $em->remove($activity);
+                    }
+                    $output->writeln('<comment>Suppression activity ok</comment>');
+                    $output->writeln('<comment>Suppression score ok</comment>');
+                }
+            }
+
+            $em->flush();
+            $output->writeln('<comment>flush ok</comment>');
+            // delete games
+            $em->getRepository(Game::class)->deleteByLanguage($language);
+            $output->writeln('<comment>Suppression game ok</comment>');
+
+            // delete grid
+            $grids = $em->getRepository(Grid::class)->findByLanguage($language);
+            foreach ($grids as $grid) {
+                $em->remove($grid);
+            }
+            $em->flush();
+            $output->writeln('<comment>Suppression grilles ok</comment>');
+        } else {
+            echo 'Argument missing';
+        }
+    }
+}