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<?php |
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/** |
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* Soluble Components (http://belgattitude.github.io/solublecomponents) |
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* |
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* @link http://github.com/belgattitude/solublecomponents for the canonical source repository |
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* @copyright Copyright (c) 2013-2014 Sébastien Vanvelthem |
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* @license https://github.com/belgattitude/solublecomponents/blob/master/LICENSE.txt MIT License |
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*/ |
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namespace Soluble\Normalist\Synthetic\Table; |
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use Soluble\Normalist\Synthetic\Table; |
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use Soluble\Normalist\Synthetic\Record; |
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use Soluble\Normalist\Synthetic\Exception; |
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class Relation |
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{ |
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/** |
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* |
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* @var Table |
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*/ |
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protected $table; |
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/** |
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* |
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* @param Table $table |
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*/ |
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public function __construct(Table $table) |
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{ |
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$this->table = $table; |
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} |
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/** |
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* Return parent record |
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* |
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* @throws Exception\LogicException |
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* @throws Exception\RelationNotFoundException |
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* |
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* @param Record $record |
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* @param string $parent_table |
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* @return Record|false |
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*/ |
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public function getParent(Record $record, $parent_table) |
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{ |
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if ($record->getState() == Record::STATE_DELETED) { |
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throw new Exception\LogicException(__METHOD__ . ": Logic exception, cannot operate on record that was deleted"); |
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} |
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$tableName = $this->table->getTableName(); |
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$relations = $this->table->getTableManager()->metadata()->getForeignKeys($tableName); |
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//$rels = array(); |
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foreach ($relations as $column => $parent) { |
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if ($parent['referenced_table'] == $parent_table) { |
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// @todo, check the case when |
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// table has many relations to the same parent |
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// we'll have to throw an exception |
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$record = $this->table->getTableManager()->table($parent_table)->findOneBy([ |
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$parent['referenced_column'] => $record->offsetGet($column) |
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]); |
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return $record; |
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} |
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} |
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throw new Exception\RelationNotFoundException(__METHOD__ . ": Cannot find parent relation between table '$tableName' and '$parent_table'"); |
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} |
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} |
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belgattitude /
solublecomponents
