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<?php |
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namespace Ablunier\Laravel\Database\Console\Commands; |
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use DB; |
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use Doctrine\DBAL\Schema\Comparator; |
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use Illuminate\Console\Command; |
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use Illuminate\Contracts\Console\Kernel as Console; |
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use Illuminate\Foundation\Application; |
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use Schema; |
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class SchemaUpdate extends Command |
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{ |
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const CONNECTION_NAME = 'schema-update'; |
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/** |
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* The name and signature of the console command. |
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* |
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* @var string |
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*/ |
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protected $signature = 'db:schema-update {--force : Force execute queries}'; |
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/** |
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* The console command description. |
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* |
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* @var string |
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*/ |
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protected $description = 'Updates database schema with any migration changes'; |
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/** |
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* @var Application |
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*/ |
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protected $app; |
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/** |
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* @var Console |
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*/ |
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protected $artisan; |
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/** |
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* Create a new command instance. |
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* |
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* @return void |
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*/ |
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public function __construct(Application $app, Console $artisan) |
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{ |
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parent::__construct(); |
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$this->app = $app; |
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$this->artisan = $artisan; |
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} |
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/** |
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* Execute the console command. |
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* |
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* @return mixed |
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*/ |
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public function handle() |
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{ |
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$this->info('Retrieving schema differences...'.PHP_EOL); |
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$this->createInMemoryDatabase(); |
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$defaultSm = $this->getSchemaManager(); |
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$inMemorySm = $this->getSchemaManager(self::CONNECTION_NAME); |
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$fromSchema = $defaultSm->createSchema(); |
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$toSchema = $inMemorySm->createSchema(); |
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$comparator = new Comparator(); |
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$schemaDiff = $comparator->compare($fromSchema, $toSchema); |
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$diffStatements = $schemaDiff->toSql($this->getDatabasePlatform()); |
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if (count($diffStatements) > 0) { |
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$this->info('Statements that will be executed:'.PHP_EOL); |
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foreach ($diffStatements as $statement) { |
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$this->info('- '.$statement); |
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} |
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} else { |
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$this->info('The schema is up to date with the migrations.'.PHP_EOL); |
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} |
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if ($this->option('force')) { |
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DB::transaction(function () use ($diffStatements) { |
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foreach ($diffStatements as $statement) { |
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DB::statement($statement); |
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} |
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}); |
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} else { |
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$this->info(PHP_EOL.'To apply diff statements use the --force option'); |
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} |
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} |
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protected function createInMemoryDatabase() |
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{ |
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$defaultConnection = $this->app['config']->get('database.default'); |
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$this->app['config']->set('database.connections.'.self::CONNECTION_NAME, [ |
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'driver' => 'sqlite', |
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'database' => ':memory:', |
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'prefix' => '', |
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]); |
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// Makes sure the migrations table is created |
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$this->artisan->call('migrate', [ |
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'--database' => self::CONNECTION_NAME, |
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]); |
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// We empty all tables |
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$this->artisan->call('migrate:reset'); |
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// Migrate |
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$this->artisan->call('migrate', [ |
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'--database' => self::CONNECTION_NAME, |
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]); |
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$this->app['config']->set('database.default', $defaultConnection); |
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} |
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/** |
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* @param string $connection |
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*/ |
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protected function getSchemaManager($connection = null) |
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{ |
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if (isset($connection)) { |
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$connection = Schema::connection($connection)->getConnection(); |
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} else { |
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$connection = Schema::getConnection(); |
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} |
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return $connection->getDoctrineSchemaManager(); |
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} |
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/** |
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* @return \Doctrine\DBAL\Platforms\AbstractPlatform |
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*/ |
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protected function getDatabasePlatform($connection = null) |
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{ |
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if (isset($connection)) { |
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$connection = Schema::connection($connection)->getConnection(); |
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} else { |
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$connection = Schema::getConnection(); |
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} |
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return $connection->getDoctrineConnection()->getDatabasePlatform(); |
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} |
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} |
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ablunier /
laravel-database
Adding a
@returnannotation to a constructor is not recommended, since a constructor does not have a meaningful return value.Please refer to the PHP core documentation on constructors.