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<?php |
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namespace Yarak\Migrations\Repositories; |
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use Phalcon\Db\Adapter\Pdo; |
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use Yarak\Migrations\CreateMigrationsTable; |
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class DatabaseMigrationRepository implements MigrationRepository |
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{ |
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/** |
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* The active database connection. |
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* |
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* @var Pdo |
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*/ |
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protected $connection = null; |
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/** |
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* Set the repository connection on the object. |
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* |
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* @param Pdo $connection |
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*/ |
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public function setConnection($connection) |
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{ |
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$this->connection = $connection; |
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} |
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/** |
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* Return true if repository resource exists. |
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* |
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* @return bool |
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*/ |
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public function exists() |
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{ |
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return $this->connection->tableExists('migrations'); |
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} |
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/** |
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* Create a new repository resource. |
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*/ |
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public function create() |
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{ |
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$migration = new CreateMigrationsTable(); |
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$migration->up($this->connection); |
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} |
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/** |
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* Return the migrations that have already been ran. |
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* |
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* @param array $ran |
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* @param int $steps |
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* |
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* @return array |
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*/ |
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public function getRan($ran = null, $steps = null) |
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{ |
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if ($ran !== null) { |
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return $ran; |
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} |
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if ($steps === null) { |
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return $this->connection->fetchAll('SELECT * FROM migrations'); |
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} |
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$lastBatchNumber = $this->getLastBatchNumber($ran); |
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$toRollback = $lastBatchNumber - $steps; |
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return $this->connection |
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->fetchAll("SELECT * FROM migrations WHERE batch > {$toRollback}"); |
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} |
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/** |
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* Get array of all migrations that have been run. |
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* |
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* @param array $ran |
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* @param int $steps |
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* |
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* @return array |
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*/ |
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public function getRanMigrations($ran = null, $steps = null) |
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{ |
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$ran = $this->getRan($ran, $steps); |
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return array_map(function ($item) { |
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return $item['migration']; |
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}, $ran); |
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} |
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/** |
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* Get array of all migration batch nubmers that have run. |
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* |
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* @param array $ran |
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* |
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* @return array |
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*/ |
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public function getRanBatchNumbers($ran = null) |
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{ |
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$ran = $this->getRan($ran); |
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return array_map(function ($item) { |
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return $item['batch']; |
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}, $ran); |
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} |
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/** |
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* Get the last number found in the repository. |
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* |
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* @param array $ran |
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* |
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* @return int |
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*/ |
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public function getLastBatchNumber($ran = null) |
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{ |
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$batchNumbers = $this->getRanBatchNumbers($ran); |
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return empty($batchNumbers) ? 0 : max($batchNumbers); |
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} |
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/** |
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* Get the next available batch number. |
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* |
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* @param array $ran |
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* |
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* @return int |
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*/ |
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public function getNextBatchNumber($ran = null) |
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{ |
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return $this->getLastBatchNumber($ran) + 1; |
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} |
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/** |
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* Insert a new record in the repository. |
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* |
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* @param string $fileName |
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* @param int $batch |
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*/ |
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public function insertRecord($fileName, $batch) |
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{ |
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$this->connection->insert( |
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'migrations', |
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[$fileName, $batch], |
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['migration', 'batch'] |
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); |
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} |
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/** |
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* Delete a record from the repository. |
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* |
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* @param string $fileName |
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*/ |
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public function deleteRecord($fileName) |
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{ |
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$this->connection->delete( |
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'migrations', |
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'migration = ?', |
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[$fileName] |
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); |
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} |
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} |
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zachleigh /
yarak
