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<?php |
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namespace hauntd\vote\behaviors; |
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use hauntd\vote\models\Vote; |
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use hauntd\vote\models\VoteAggregate; |
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use hauntd\vote\traits\ModuleTrait; |
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use Yii; |
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use yii\base\Behavior; |
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use yii\db\Expression; |
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/** |
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* Class VoteQueryBehavior |
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* @package hauntd\vote\behaviors |
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* @property $own;er \yii\db\ActiveQuery |
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*/ |
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class VoteQueryBehavior extends Behavior |
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{ |
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use ModuleTrait; |
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/** |
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* @var bool |
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*/ |
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protected $selectAdded = false; |
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/** |
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* Include vote aggregate model/values. |
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* |
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* @param $entity |
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* @return \yii\base\Component |
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* @throws \yii\base\InvalidConfigException |
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*/ |
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public function withVoteAggregate($entity) |
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{ |
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$entityEncoded = $this->getModule()->encodeEntity($entity); |
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$voteAggregateTable = VoteAggregate::tableName(); |
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$model = new $this->owner->modelClass(); |
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$this->initSelect($model); |
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$this->owner |
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->leftJoin("$voteAggregateTable {$entity}Aggregate", [ |
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"{$entity}Aggregate.target_id" => new Expression("`{$model->tableSchema->name}`.`{$model->primaryKey()[0]}`"), |
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"{$entity}Aggregate.entity" => $entityEncoded |
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]) |
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->addSelect([ |
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new Expression("`{$entity}Aggregate`.`positive` as `{$entity}Positive`"), |
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new Expression("`{$entity}Aggregate`.`negative` as `{$entity}Negative`"), |
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new Expression("`{$entity}Aggregate`.`rating` as `{$entity}Rating`"), |
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]); |
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return $this->owner; |
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} |
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/** |
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* Include user vote status. |
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* |
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* @param $entity |
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* @return \yii\base\Component |
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* @throws \yii\base\InvalidConfigException |
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*/ |
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public function withUserVote($entity) |
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{ |
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$entityEncoded = $this->getModule()->encodeEntity($entity); |
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$model = new $this->owner->modelClass(); |
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$voteTable = Vote::tableName(); |
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$this->initSelect($model); |
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$joinCondition = [ |
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"$entity.entity" => $entityEncoded, |
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"$entity.target_id" => new Expression("`{$model->tableSchema->name}`.`{$model->primaryKey()[0]}`"), |
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]; |
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$this->owner->addGroupBy("`{$model->tableSchema->name}`.`{$model->tableSchema->primaryKey[0]}`"); |
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if (Yii::$app->user->isGuest) { |
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$joinCondition["{$entity}.user_ip"] = Yii::$app->request->userIP; |
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$joinCondition["{$entity}.user_id"] = null; |
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} else { |
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$joinCondition["{$entity}.user_id"] = Yii::$app->user->id; |
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} |
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$this->owner |
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->leftJoin("$voteTable $entity", $joinCondition) |
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->addSelect([ |
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new Expression("`$entity`.`value` as `{$entity}UserValue`")]); |
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return $this->owner; |
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} |
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/** |
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* Scope for select only favorite items |
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* |
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* @param $entity |
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* @return VoteQueryBehavior |
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* @throws \yii\base\InvalidConfigException |
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*/ |
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public function andFavorites($entity) |
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{ |
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$entityEncoded = $this->getModule()->encodeEntity($entity); |
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$this->owner->andWhere(["{$entity}.user_id" => Yii::$app->user->id]); |
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$this->owner->andWhere(["$entity.entity" => $entityEncoded]); |
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return $this->owner; |
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} |
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/** |
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* Add `{{%table}}`.* as first table attributes to select. |
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* |
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* @param $model |
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*/ |
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protected function initSelect($model) |
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{ |
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if (!$this->selectAdded && (is_array($this->owner->select) && !array_search('*', $this->owner->select)) || |
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!isset($this->owner->select)) { |
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$this->owner->addSelect("{$model->tableSchema->name}.*"); |
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$this->selectAdded = true; |
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} |
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} |
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} |
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hauntd /
yii2-vote
