Added doctrine migrations and remove platform specific code from entities

composer.json

@@ -33,7 +33,8 @@
         "monolog/monolog": "^1.21",
         "theorchard/monolog-cascade": "^0.4",
         "endroid/qrcode": "^1.7",
-        "mikehaertl/phpwkhtmltopdf": "^2.2"
+        "mikehaertl/phpwkhtmltopdf": "^2.2",
+        "doctrine/migrations": "^1.4"
     },
     "require-dev": {
         "phpunit/phpunit": "^5.0",

data/migrations/Version20160819142757.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace ShlinkMigrations;
+
+use Doctrine\DBAL\Migrations\AbstractMigration;
+use Doctrine\DBAL\Schema\Schema;
+
+/**
+ * Auto-generated Migration: Please modify to your needs!
+ */
+class Version20160819142757 extends AbstractMigration
+{
+    const MYSQL = 'mysql';
+    const SQLITE = 'sqlite';
+
+    /**
+     * @param Schema $schema
+     */
+    public function up(Schema $schema)
+    {
+        $db = $this->connection->getDatabasePlatform()->getName();
+        $table = $schema->getTable('short_urls');
+        $column = $table->getColumn('short_code');
+
+        if ($db === self::MYSQL) {
+            $column->setPlatformOption('collation', 'utf8_bin');
+        } elseif ($db === self::SQLITE) {
+            $column->setPlatformOption('collation', 'BINARY');
+        }
+    }
+
+    /**
+     * @param Schema $schema
+     */
+    public function down(Schema $schema)
+    {
+        $db = $this->connection->getDatabasePlatform()->getName();
+    }
+}

migrations.yml

@@ -0,0 +1,4 @@
+name: ShlinkMigrations
+migrations_namespace: ShlinkMigrations
+table_name: migrations
+migrations_directory: data/migrations

module/Core/src/Entity/ShortUrl.php

@@ -28,8 +28,7 @@ class ShortUrl extends AbstractEntity implements \JsonSerializable
      *     type="string",
      *     nullable=false,
      *     length=10,
-     *     unique=true,
-     *     options={"collation": "utf8_bin"}
+     *     unique=true
      * )
      */
     protected $shortCode;