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<?php |
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namespace app\traits; |
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use yii; |
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/** |
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* Trait for sorting models, that use app\behaviors\Sortable |
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*/ |
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trait SortModels |
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{ |
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/** |
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* Sort records by their id list. |
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* Note: you must manually call refresh() on needed models |
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* @param array $ids array of records id in needed order(ie. [4, 3, 1, 2]) |
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* @param string $field Field that stores sort order |
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* @return bool |
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* @throws yii\db\Exception |
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*/ |
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View Code Duplication |
public static function sortModels($ids, $field = 'sort_order') |
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{ |
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$priorities = []; |
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$start=0; |
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$ids_sorted = $ids; |
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sort($ids_sorted); |
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foreach ($ids as $id) { |
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$priorities[$id] = $ids_sorted[$start++]; |
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} |
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$sql = "UPDATE " |
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. static::tableName() |
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. " SET $field = " |
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. static::generateCase($priorities) |
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. " WHERE id IN(" . implode(', ', $ids) |
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. ")"; |
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return Yii::$app->db->createCommand( |
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$sql |
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)->execute() > 0; |
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} |
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View Code Duplication |
public static function generateCase($priorities) |
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{ |
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$result = 'CASE `id`'; |
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foreach ($priorities as $k => $v) { |
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$result .= ' when "' . $k . '" then "' . $v . '"'; |
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} |
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return $result . ' END'; |
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} |
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public static function moveIdBefore($id, $id_before, $field = 'sort_order') |
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{ |
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//! @todo Переписать, чтобы не использовать ActiveRecord, а обходиться обычными запросами в базу(за один запрос можно получить sort_order для двух ID) |
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$current_model = static::findOne($id); |
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$another_model = static::findOne($id_before); |
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return $current_model->moveBefore($another_model, $field); |
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} |
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public static function moveIdAfter($id, $id_after, $field = 'sort_order') |
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{ |
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//! @todo Переписать, чтобы не использовать ActiveRecord, а обходиться обычными запросами в базу(за один запрос можно получить sort_order для двух ID) |
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$current_model = static::findOne($id); |
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$another_model = static::findOne($id_after); |
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return $current_model->moveAfter($another_model, $field); |
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} |
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} |
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DevGroup-ru /
dotplant2
Loading history...
Our type inference engine in quite powerful, but sometimes the code does not provide enough clues to go by. In these cases we request you to add a
@returnannotation as described here.