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<?php
/**
* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
* Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
*
* Licensed under The MIT License
* For full copyright and license information, please see the LICENSE.txt
* Redistributions of files must retain the above copyright notice.
*
* @copyright Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
* @link http://cakephp.org CakePHP(tm) Project
* @license http://www.opensource.org/licenses/mit-license.php MIT License
*/
namespace Migrations\Shell\Task;
use Cake\Core\Configure;
use Cake\Event\Event;
use Cake\Event\EventManager;
use Cake\Utility\Inflector;
use Migrations\Util\ColumnParser;
/**
* Task class for generating migration snapshot files.
*
* @property \Bake\Shell\Task\BakeTemplateTask $BakeTemplate
* @property \Bake\Shell\Task\TestTask $Test
*/
class MigrationTask extends SimpleMigrationTask
{
/**
* {@inheritDoc}
*/
public function bake($name)
{
EventManager::instance()->on('Bake.initialize', function (Event $event) {
$event->getSubject()->loadHelper('Migrations.Migration');
});
return parent::bake($name);
}
/**
* {@inheritDoc}
*/
public function template()
{
return 'Migrations.config/skeleton';
}
/**
* {@inheritdoc}
*/
public function templateData()
{
$className = $this->BakeTemplate->viewVars['name'];
$namespace = Configure::read('App.namespace');
$pluginPath = '';
if ($this->plugin) {
$namespace = $this->_pluginNamespace($this->plugin);
$pluginPath = $this->plugin . '.';
}
$action = $this->detectAction($className);
if (empty($action)) {
return [
'plugin' => $this->plugin,
'pluginPath' => $pluginPath,
'namespace' => $namespace,
'tables' => [],
'action' => null,
'name' => $className
];
}
$arguments = $this->args;
unset($arguments[0]);
$columnParser = new ColumnParser;
$fields = $columnParser->parseFields($arguments);
$indexes = $columnParser->parseIndexes($arguments);
$primaryKey = $columnParser->parsePrimaryKey($arguments);
if (in_array($action[0], ['alter_table', 'add_field']) && !empty($primaryKey)) {
$this->error('Adding a primary key to an already existing table is not supported.');
}
list($action, $table) = $action;
return [
'plugin' => $this->plugin,
'pluginPath' => $pluginPath,
'namespace' => $namespace,
'tables' => [$table],
'action' => $action,
'columns' => [
'fields' => $fields,
'indexes' => $indexes,
'primaryKey' => $primaryKey
],
'name' => $className
];
}
/**
* Detects the action and table from the name of a migration
*
* @param string $name Name of migration
* @return array
**/
public function detectAction($name)
{
if (preg_match('/^(Create|Drop)(.*)/', $name, $matches)) {
$action = strtolower($matches[1]) . '_table';
$table = Inflector::underscore($matches[2]);
} elseif (preg_match('/^(Add).+?(?:To)(.*)/', $name, $matches)) {
$action = 'add_field';
$table = Inflector::underscore($matches[2]);
} elseif (preg_match('/^(Remove).+?(?:From)(.*)/', $name, $matches)) {
$action = 'drop_field';
$table = Inflector::underscore($matches[2]);
} elseif (preg_match('/^(Alter)(.*)/', $name, $matches)) {
$action = 'alter_table';
$table = Inflector::underscore($matches[2]);
} else {
return [];
}
return [$action, $table];
}
}