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<?php |
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/** |
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* Spiral Framework. |
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* |
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* @license MIT |
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* @author Anton Titov (Wolfy-J) |
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*/ |
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declare(strict_types=1); |
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namespace Cycle\Migrations; |
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use Cycle\Database\Database; |
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use Cycle\Database\DatabaseInterface; |
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use Cycle\Migrations\Exception\MigrationException; |
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/** |
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* Simple migration class with shortcut for database and blueprint instances. |
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*/ |
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abstract class Migration implements MigrationInterface |
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{ |
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// Target migration database |
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protected const DATABASE = null; |
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/** @var State|null */ |
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private $state; |
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/** @var CapsuleInterface */ |
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private $capsule; |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getDatabase(): ?string |
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{ |
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return static::DATABASE; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function withCapsule(CapsuleInterface $capsule): MigrationInterface |
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{ |
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$migration = clone $this; |
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$migration->capsule = $capsule; |
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return $migration; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function withState(State $state): MigrationInterface |
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{ |
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$migration = clone $this; |
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$migration->state = $state; |
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return $migration; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getState(): State |
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{ |
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if (empty($this->state)) { |
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throw new MigrationException('Unable to get migration state, no state are set'); |
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} |
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return $this->state; |
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} |
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/** |
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* @return Database |
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*/ |
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protected function database(): DatabaseInterface |
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{ |
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if (empty($this->capsule)) { |
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throw new MigrationException('Unable to get database, no capsule are set'); |
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} |
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return $this->capsule->getDatabase(); |
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} |
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/** |
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* Get table schema builder (blueprint). |
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* |
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* @param string $table |
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* |
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* @return TableBlueprint |
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*/ |
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protected function table(string $table): TableBlueprint |
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{ |
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if (empty($this->capsule)) { |
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throw new MigrationException('Unable to get table blueprint, no capsule are set'); |
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} |
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return new TableBlueprint($this->capsule, $table); |
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} |
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} |
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cycle /
migrations
