/**
* {@inheritdoc}
*/
protected function execute(InputInterface $input, OutputInterface $output)
{
$generatorConfig = $this->getGeneratorConfig(array('propel.platform.class' => $input->getOption('platform'), 'propel.reverse.parser.class' => $this->getReverseClass($input), 'propel.migration.table' => $input->getOption('migration-table')), $input);
$this->createDirectory($input->getOption('output-dir'));
$manager = new MigrationManager();
$manager->setGeneratorConfig($generatorConfig);
$manager->setSchemas($this->getSchemas($input->getOption('input-dir')));
$connections = array();
$optionConnections = $input->getOption('connection');
if (!$optionConnections) {
$connections = $generatorConfig->getBuildConnections($input->getOption('input-dir'));
} else {
foreach ($optionConnections as $connection) {
list($name, $dsn, $infos) = $this->parseConnection($connection);
$connections[$name] = array_merge(array('dsn' => $dsn), $infos);
}
}
$manager->setConnections($connections);
$manager->setMigrationTable($input->getOption('migration-table'));
$manager->setWorkingDirectory($input->getOption('output-dir'));
if ($manager->hasPendingMigrations()) {
throw new RuntimeException('Uncommitted migrations have been found ; you should either execute or delete them before rerunning the \'diff\' task');
}
$totalNbTables = 0;
$schema = new Schema();
foreach ($connections as $name => $params) {
if ($input->getOption('verbose')) {
$output->writeln(sprintf('Connecting to database "%s" using DSN "%s"', $name, $params['dsn']));
}
$conn = $manager->getAdapterConnection($name);
$platform = $generatorConfig->getConfiguredPlatform($conn, $name);
if (!$platform->supportsMigrations()) {
$output->writeln(sprintf('Skipping database "%s" since vendor "%s" does not support migrations', $name, $platform->getDatabaseType()));
continue;
}
$database = new Database($name);
$database->setPlatform($platform);
$database->setDefaultIdMethod(IdMethod::NATIVE);
$parser = $generatorConfig->getConfiguredSchemaParser($conn);
$nbTables = $parser->parse($database, $this);
$schema->addDatabase($database);
$totalNbTables += $nbTables;
if ($input->getOption('verbose')) {
$output->writeln(sprintf('%d tables found in database "%s"', $nbTables, $name), Output::VERBOSITY_VERBOSE);
}
}
if ($totalNbTables) {
$output->writeln(sprintf('%d tables found in all databases.', $totalNbTables));
} else {
$output->writeln('No table found in all databases');
}
$appDatasFromXml = $manager->getDataModels();
$appDataFromXml = array_pop($appDatasFromXml);
// comparing models
$output->writeln('Comparing models...');
$migrationsUp = array();
$migrationsDown = array();
foreach ($schema->getDatabases() as $database) {
$name = $database->getName();
if ($input->getOption('verbose')) {
$output->writeln(sprintf('Comparing database "%s"', $name));
}
if (!$appDataFromXml->hasDatabase($name)) {
// FIXME: tables present in database but not in XML
continue;
}
$databaseDiff = DatabaseComparator::computeDiff($database, $appDataFromXml->getDatabase($name));
if (!$databaseDiff) {
if ($input->getOption('verbose')) {
$output->writeln(sprintf('Same XML and database structures for datasource "%s" - no diff to generate', $name));
}
continue;
}
$output->writeln(sprintf('Structure of database was modified in datasource "%s": %s', $name, $databaseDiff->getDescription()));
$platform = $generatorConfig->getConfiguredPlatform(null, $name);
$migrationsUp[$name] = $platform->getModifyDatabaseDDL($databaseDiff);
$migrationsDown[$name] = $platform->getModifyDatabaseDDL($databaseDiff->getReverseDiff());
}
if (!$migrationsUp) {
$output->writeln('Same XML and database structures for all datasource - no diff to generate');
return;
}
$timestamp = time();
$migrationFileName = $manager->getMigrationFileName($timestamp);
$migrationClassBody = $manager->getMigrationClassBody($migrationsUp, $migrationsDown, $timestamp);
$file = $input->getOption('output-dir') . DIRECTORY_SEPARATOR . $migrationFileName;
file_put_contents($file, $migrationClassBody);
$output->writeln(sprintf('"%s" file successfully created.', $file));
if (null !== ($editorCmd = $input->getOption('editor'))) {
$output->writeln(sprintf('Using "%s" as text editor', $editorCmd));
shell_exec($editorCmd . ' ' . escapeshellarg($file));
} else {
$output->writeln('Please review the generated SQL statements, and add data migration code if necessary.');
$output->writeln('Once the migration class is valid, call the "migrate" task to execute it.');
}
}