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<?php |
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namespace Rougin\Describe; |
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/** |
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* Describe |
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* |
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* Gets information of a table schema from a database. |
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* |
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* @package Describe |
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* @author Rougin Royce Gutib <[email protected]> |
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*/ |
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class Describe |
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{ |
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/** |
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* @var array |
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*/ |
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protected $columns = []; |
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/** |
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* @var \Rougin\Describe\Driver\DriverInterface |
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*/ |
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protected $driver; |
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/** |
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* @param \Rougin\Describe\Driver\DriverInterface $driver |
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*/ |
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public function __construct(\Rougin\Describe\Driver\DriverInterface $driver) |
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{ |
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$this->driver = $driver; |
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} |
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/** |
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* Gets the primary key in the specified table. |
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* |
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* @param string $tableName |
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* @return string |
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*/ |
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public function getPrimaryKey($tableName) |
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{ |
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$result = ''; |
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if (empty($this->columns)) { |
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$this->columns = $this->driver->getTable($tableName); |
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} |
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foreach ($this->columns as $column) { |
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if ($column->isPrimaryKey()) { |
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$result = $column->getField(); |
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} |
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} |
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return $result; |
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} |
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/** |
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* Returns the result. |
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* |
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* @param string $tableName |
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* @return array |
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* @throws \Rougin\Describe\Exceptions\TableNameNotFoundException |
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*/ |
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public function getTable($tableName) |
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{ |
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$table = $this->driver->getTable($tableName); |
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if (empty($table) || is_null($table)) { |
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$message = '"' . $tableName . '" table not found in database!'; |
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throw new Exceptions\TableNameNotFoundException($message); |
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} |
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return $table; |
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} |
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/** |
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* Shows the list of tables. |
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* |
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* @return array |
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*/ |
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public function showTables() |
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{ |
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return $this->driver->showTables(); |
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} |
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/** |
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* Calls methods from this class in underscore case. |
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* |
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* @param string $method |
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* @param mixed $parameters |
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* @return mixed |
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*/ |
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public function __call($method, $parameters) |
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{ |
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return MagicMethodHelper::call($this, $method, $parameters); |
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} |
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} |
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rougin /
describe
