Added isEmpty column to VisitLocation

data/migrations/Version20200323190014.php

@@ -0,0 +1,44 @@
+<?php
+
+declare(strict_types=1);
+
+namespace ShlinkMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\DBAL\Types\Types;
+use Doctrine\Migrations\AbstractMigration;
+
+final class Version20200323190014 extends AbstractMigration
+{
+    public function up(Schema $schema): void
+    {
+        $visitLocations = $schema->getTable('visit_locations');
+        $this->skipIf($visitLocations->hasColumn('is_empty'));
+
+        $visitLocations->addColumn('is_empty', Types::BOOLEAN, ['default' => false]);
+    }
+
+    public function postUp(Schema $schema): void
+    {
+        $qb = $this->connection->createQueryBuilder();
+        $qb->update('visit_locations')
+           ->set('is_empty', true)
+           ->where($qb->expr()->eq('country_code', ':empty'))
+           ->andWhere($qb->expr()->eq('country_name', ':empty'))
+           ->andWhere($qb->expr()->eq('region_name', ':empty'))
+           ->andWhere($qb->expr()->eq('city_name', ':empty'))
+           ->andWhere($qb->expr()->eq('timezone', ':empty'))
+           ->andWhere($qb->expr()->eq('lat', 0))
+           ->andWhere($qb->expr()->eq('lon', 0))
+           ->setParameter('empty', '')
+           ->execute();
+    }
+
+    public function down(Schema $schema): void
+    {
+        $visitLocations = $schema->getTable('visit_locations');
+        $this->skipIf(!$visitLocations->hasColumn('is_empty'));
+
+        $visitLocations->dropColumn('is_empty');
+    }
+}