diff core/lib/Drupal/Core/Command/DbCommandBase.php @ 0:4c8ae668cc8c

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/lib/Drupal/Core/Command/DbCommandBase.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,60 @@
+<?php
+
+namespace Drupal\Core\Command;
+
+use Drupal\Core\Database\Database;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
+
+/**
+ * Base command that abstracts handling of database connection arguments.
+ */
+class DbCommandBase extends Command {
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function configure() {
+    $this->addOption('database', NULL, InputOption::VALUE_OPTIONAL, 'The database connection name to use.', 'default')
+      ->addOption('database-url', 'db-url', InputOption::VALUE_OPTIONAL, 'A database url to parse and use as the database connection.')
+      ->addOption('prefix', NULL, InputOption::VALUE_OPTIONAL, 'Override or set the table prefix used in the database connection.');
+  }
+
+  /**
+   * Parse input options decide on a database.
+   *
+   * @param \Symfony\Component\Console\Input\InputInterface $input
+   *   Input object.
+   * @return \Drupal\Core\Database\Connection
+   */
+  protected function getDatabaseConnection(InputInterface $input) {
+    // Load connection from a url.
+    if ($input->getOption('database-url')) {
+      // @todo this could probably be refactored to not use a global connection.
+      // Ensure database connection isn't set.
+      if (Database::getConnectionInfo('db-tools')) {
+        throw new \RuntimeException('Database "db-tools" is already defined. Cannot define database provided.');
+      }
+      $info = Database::convertDbUrlToConnectionInfo($input->getOption('database-url'), \Drupal::root());
+      Database::addConnectionInfo('db-tools', 'default', $info);
+      $key = 'db-tools';
+    }
+    else {
+      $key = $input->getOption('database');
+    }
+
+    // If they supplied a prefix, replace it in the connection information.
+    $prefix = $input->getOption('prefix');
+    if ($prefix) {
+      $info = Database::getConnectionInfo($key)['default'];
+      $info['prefix']['default'] = $prefix;
+
+      Database::removeConnection($key);
+      Database::addConnectionInfo($key, 'default', $info);
+    }
+
+    return Database::getConnection('default', $key);
+  }
+
+}