Adding validation on address validFrom date (unique by person)

Resources/migrations/Version20160422000000.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace Application\Migrations;
+
+use Doctrine\DBAL\Migrations\AbstractMigration;
+use Doctrine\DBAL\Schema\Schema;
+
+/**
+ * Check if each person do not have multiple addresses with the same valideFrom
+ */
+class Version20160422000000 extends AbstractMigration
+{
+    /**
+     * @param Schema $schema
+     */
+    public function up(Schema $schema)
+    {
+        $stmt = $this->connection->query('SELECT COUNT(*), pe.id, ad.validfrom FROM person AS pe
+	        INNER JOIN chill_person_persons_to_addresses AS pe_ad ON pe.id = pe_ad.person_id
+	        INNER JOIN chill_main_address AS ad ON ad.id = pe_ad.address_id
+	        GROUP BY pe.id, ad.validfrom
+	        HAVING COUNT(*) > 1');
+            
+        $personWithTwoAddressWithSameValidFrom = $stmt->fetchAll();
+        
+        foreach ($personWithTwoAddressWithSameValidFrom as $p) {
+            $this->warnIf(true, 'The person with id '.$p['id'].' has two adresses with the same validFrom date');
+        }
+        
+        $this->abortIf(
+            sizeof($personWithTwoAddressWithSameValidFrom) != 0,
+            'There exists some person with multiple adress with the same validFrom'
+        );
+    }
+
+    /**
+     * @param Schema $schema
+     */
+    public function down(Schema $schema)
+    {
+    }
+}