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<?php |
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/** |
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* @link http://www.yiiframework.com/ |
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* @copyright Copyright (c) 2008 Yii Software LLC |
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* @license http://www.yiiframework.com/license/ |
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*/ |
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use yii\base\InvalidConfigException; |
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use yii\rbac\DbManager; |
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/** |
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* Initializes RBAC tables. |
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* |
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* @author Alexander Kochetov <creocoder@gmail.com> |
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* @since 2.0 |
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*/ |
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class m140506_102106_rbac_init extends \yii\db\Migration |
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{ |
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/** |
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* @throws yii\base\InvalidConfigException |
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* @return DbManager |
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*/ |
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protected function getAuthManager() |
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{ |
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$authManager = Yii::$app->getAuthManager(); |
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if (!$authManager instanceof DbManager) { |
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throw new InvalidConfigException('You should configure "authManager" component to use database before executing this migration.'); |
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} |
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return $authManager; |
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} |
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/** |
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* @return bool |
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*/ |
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protected function isMSSQL() |
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{ |
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return $this->db->driverName === 'mssql' || $this->db->driverName === 'sqlsrv' || $this->db->driverName === 'dblib'; |
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} |
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protected function isOracle() |
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{ |
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return $this->db->driverName === 'oci'; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function up() |
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{ |
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$authManager = $this->getAuthManager(); |
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$this->db = $authManager->db; |
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$schema = $this->db->getSchema()->defaultSchema; |
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$tableOptions = null; |
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if ($this->db->driverName === 'mysql') { |
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// http://stackoverflow.com/questions/766809/whats-the-difference-between-utf8-general-ci-and-utf8-unicode-ci
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$tableOptions = 'CHARACTER SET utf8 COLLATE utf8_unicode_ci ENGINE=InnoDB'; |
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} |
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$this->createTable($authManager->ruleTable, [ |
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'name' => $this->string(64)->notNull(), |
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'data' => $this->binary(), |
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'created_at' => $this->integer(), |
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'updated_at' => $this->integer(), |
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'PRIMARY KEY ([[name]])', |
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], $tableOptions); |
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$this->createTable($authManager->itemTable, [ |
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'name' => $this->string(64)->notNull(), |
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'type' => $this->smallInteger()->notNull(), |
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'description' => $this->text(), |
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'rule_name' => $this->string(64), |
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'data' => $this->binary(), |
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'created_at' => $this->integer(), |
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'updated_at' => $this->integer(), |
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'PRIMARY KEY ([[name]])', |
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'FOREIGN KEY ([[rule_name]]) REFERENCES ' . $authManager->ruleTable . ' ([[name]])' . |
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$this->buildFkClause('ON DELETE SET NULL', 'ON UPDATE CASCADE'), |
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], $tableOptions); |
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$this->createIndex('idx-auth_item-type', $authManager->itemTable, 'type'); |
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$this->createTable($authManager->itemChildTable, [ |
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'parent' => $this->string(64)->notNull(), |
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'child' => $this->string(64)->notNull(), |
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'PRIMARY KEY ([[parent]], [[child]])', |
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'FOREIGN KEY ([[parent]]) REFERENCES ' . $authManager->itemTable . ' ([[name]])' . |
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$this->buildFkClause('ON DELETE CASCADE', 'ON UPDATE CASCADE'), |
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'FOREIGN KEY ([[child]]) REFERENCES ' . $authManager->itemTable . ' ([[name]])' . |
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$this->buildFkClause('ON DELETE CASCADE', 'ON UPDATE CASCADE'), |
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], $tableOptions); |
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$this->createTable($authManager->assignmentTable, [ |
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'item_name' => $this->string(64)->notNull(), |
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'user_id' => $this->string(64)->notNull(), |
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'created_at' => $this->integer(), |
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'PRIMARY KEY ([[item_name]], [[user_id]])', |
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'FOREIGN KEY ([[item_name]]) REFERENCES ' . $authManager->itemTable . ' ([[name]])' . |
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$this->buildFkClause('ON DELETE CASCADE', 'ON UPDATE CASCADE'), |
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], $tableOptions); |
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if ($this->isMSSQL()) { |
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$this->execute("CREATE TRIGGER {$schema}.trigger_auth_item_child
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ON {$schema}.{$authManager->itemTable} |
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INSTEAD OF DELETE, UPDATE |
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AS |
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DECLARE @old_name VARCHAR (64) = (SELECT name FROM deleted) |
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DECLARE @new_name VARCHAR (64) = (SELECT name FROM inserted) |
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BEGIN |
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IF COLUMNS_UPDATED() > 0 |
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BEGIN |
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IF @old_name <> @new_name |
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BEGIN |
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ALTER TABLE {$authManager->itemChildTable} NOCHECK CONSTRAINT FK__auth_item__child; |
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UPDATE {$authManager->itemChildTable} SET child = @new_name WHERE child = @old_name; |
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END |
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UPDATE {$authManager->itemTable} |
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SET name = (SELECT name FROM inserted), |
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type = (SELECT type FROM inserted), |
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description = (SELECT description FROM inserted), |
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rule_name = (SELECT rule_name FROM inserted), |
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data = (SELECT data FROM inserted), |
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created_at = (SELECT created_at FROM inserted), |
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updated_at = (SELECT updated_at FROM inserted) |
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WHERE name IN (SELECT name FROM deleted) |
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IF @old_name <> @new_name |
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BEGIN |
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ALTER TABLE {$authManager->itemChildTable} CHECK CONSTRAINT FK__auth_item__child; |
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END |
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END |
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ELSE |
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BEGIN |
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DELETE FROM {$schema}.{$authManager->itemChildTable} WHERE parent IN (SELECT name FROM deleted) OR child IN (SELECT name FROM deleted); |
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DELETE FROM {$schema}.{$authManager->itemTable} WHERE name IN (SELECT name FROM deleted); |
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END |
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END;");
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function down() |
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{ |
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$authManager = $this->getAuthManager(); |
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$this->db = $authManager->db; |
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if ($this->isMSSQL()) { |
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$this->execute('DROP TRIGGER {$schema}.trigger_auth_item_child;'); |
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} |
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$this->dropTable($authManager->assignmentTable); |
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$this->dropTable($authManager->itemChildTable); |
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$this->dropTable($authManager->itemTable); |
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$this->dropTable($authManager->ruleTable); |
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} |
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protected function buildFkClause($delete = '', $update = '') |
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{ |
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if ($this->isMSSQL()) { |
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return ''; |
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} |
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if ($this->isOracle()) { |
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return ' ' . $delete; |
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} |
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return implode(' ', ['', $delete, $update]); |
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} |
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} |
