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<?php |
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namespace HexMakina\TightORM; |
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use HexMakina\Crudites\CruditesException; |
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use HexMakina\BlackBox\ORM\ModelInterface; |
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trait RelationManyToMany |
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{ |
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abstract public static function model_type(): string; |
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//------------------------------------------------------------ Data Relation |
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// returns true on success, error message on failure |
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public static function setMany($linked_models, ModelInterface $m) |
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{ |
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$linked_ids = []; |
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foreach ($linked_models as $m) { |
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$linked_ids[] = $m->getId(); |
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} |
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return static::setManyByIds($linked_ids, $m); |
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} |
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// returns true on success, error message on failure |
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public static function setManyByIds($linked_ids, ModelInterface $m) |
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{ |
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$join_info = static::otm(); |
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$j_table = static::inspect($join_info['t']); |
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$j_table_key = $join_info['k']; |
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if (empty($j_table) || empty($j_table_key)) { |
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throw new CruditesException('ERR_JOIN_INFO'); |
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} |
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$assoc_data = ['model_id' => $m->getId(), 'model_type' => get_class($m)::model_type()]; |
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$j_table->connection()->transact(); |
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try { |
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$res = $j_table->delete($assoc_data)->run(); |
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if (!$res->isSuccess()) { |
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throw new CruditesException('QUERY_FAILED'); |
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} |
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if (!empty($linked_ids)) { |
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$join_data = $assoc_data; |
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$Query = $j_table->insert($join_data); |
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foreach ($linked_ids as $linked_id) { |
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$Query->addBinding($j_table_key, $linked_id); |
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$res = $Query->run(); |
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if (!$res->isSuccess()) { |
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throw new CruditesException('QUERY_FAILED'); |
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} |
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} |
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} |
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$j_table->connection()->commit(); |
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} catch (\Exception $e) { |
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$j_table->connection()->rollback(); |
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return $e->getMessage(); |
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} |
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return true; |
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} |
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public static function otm($k = null) |
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{ |
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$type = static::model_type(); |
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$d = ['t' => $type . 's_models', 'k' => $type . '_id', 'a' => $type . 's_otm']; |
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return is_null($k) ? $d : $d[$k]; |
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} |
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} |
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HexMakina /
TightORM
