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<?php |
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namespace flipbox\meta\migrations; |
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use craft\db\Migration; |
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use craft\helpers\MigrationHelper; |
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use craft\records\Field; |
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use flipbox\meta\fields\Meta; |
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use flipbox\meta\records\Meta as MetaRecord; |
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class m170720_092214_content_rename extends Migration |
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{ |
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/** |
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* @param $val |
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* @return string |
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*/ |
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private function getContentTableName($val) |
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{ |
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return '{{%' . $this->getContentTableRef($val) . '}}'; |
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} |
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/** |
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* @param $val |
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* @return string |
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*/ |
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private function getContentTableRef($val) |
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{ |
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return MetaRecord::tableAlias() . 'content_' . $val; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function safeUp() |
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{ |
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// find any of the context fields |
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$records = Field::find() |
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->andWhere([ |
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'type' => Meta::class |
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]) |
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->all(); |
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/** @var Field $record */ |
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foreach ($records as $record) { |
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$oldTableName = $this->getContentTableName(strtolower($record->handle)); |
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$newTableName = $this->getContentTableName($record->id); |
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// Remove legacy indexes |
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MigrationHelper::dropAllForeignKeysOnTable($oldTableName, $this); |
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MigrationHelper::dropAllIndexesOnTable($oldTableName, $this); |
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// Rename table |
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$this->renameTable($oldTableName, $newTableName); |
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// New indexes and foreign keys |
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$this->createIndex( |
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$this->db->getIndexName($newTableName, 'elementId,siteId'), |
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$newTableName, |
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'elementId,siteId', |
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true |
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); |
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$this->addForeignKey( |
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$this->db->getForeignKeyName($newTableName, 'elementId'), |
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$newTableName, |
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'elementId', |
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'{{%elements}}', |
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'id', |
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'CASCADE', |
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null |
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); |
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$this->addForeignKey( |
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$this->db->getForeignKeyName($newTableName, 'siteId'), |
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$newTableName, |
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'siteId', |
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'{{%sites}}', |
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'id', |
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'CASCADE', |
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'CASCADE' |
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); |
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} |
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return true; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function safeDown() |
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{ |
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echo "m170720_092214_content_rename cannot be reverted.\n"; |
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return false; |
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} |
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} |
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flipbox /
meta
