示例#1
0
 /**
  * @param Model $model
  * @return $this
  * @throws \InvalidArgumentException
  * @throws \BadMethodCallException
  */
 public function remove($model)
 {
     /** @var Model[] $list */
     if ($model instanceof QuerySet) {
         $list = $model;
     } else {
         $list = func_get_args();
     }
     if ($this->ownerField instanceof SingleRelation) {
         foreach ($list as $model) {
             if ($model->isNewRecord()) {
                 throw new \InvalidArgumentException('Cant remove record that is not saved');
             }
             $model->__unset($this->ownerField->to_field);
             $model->save();
         }
     } elseif ($this->ownerField instanceof ManyToManyRelation) {
         if ($this->ownerField->throughClass) {
             $throughClass = $this->ownerField->throughClass;
             $in = [];
             foreach ($list as $model) {
                 if ($model->isNewRecord()) {
                     throw new \InvalidArgumentException('Cant remove record that is not saved');
                 }
                 $in[] = $model->__get($this->ownerField->to_field);
             }
             foreach ($throughClass::objects()->filter([$this->ownerField->to_field . '__in' => $in]) as $link) {
                 $link->delete();
             }
         }
     } else {
         throw new \BadMethodCallException('Cant modify query set for field ' . $this->ownerField->name);
     }
     //$this->resetStatement();
     return $this;
 }
示例#2
0
 /**
  * @param \Dja\Db\Model\Model $model
  * @return \Dja\Db\Model\Query\QuerySet
  */
 public function getRelation(\Dja\Db\Model\Model $model)
 {
     /** @var \Dja\Db\Model\Model $relationClass */
     $relationClass = $this->relationClass;
     /** @var \Dja\Db\Model\Model $throughClass */
     $throughClass = $this->throughClass;
     if ($throughClass) {
         $in = $throughClass::objects()->filter([$this->self_field => $model->__get($this->self_field)])->valuesList($this->to_field, false);
     } else {
         $sql = sprintf('SELECT "%s" FROM "%s" WHERE "%s" = %d', $this->to_field, $this->db_table, $this->self_field, $model->__get($this->self_field));
         //$in = $relationClass::objects()->setRawSql($sql)->valuesDict($this->to_field, $this->to_field);
         $in = Expr($sql);
     }
     if ($this->limit_choices_to) {
         $filter = $this->limit_choices_to;
         $filter[$this->to_field . '__in'] = $in;
         return $relationClass::objects()->relation($model, $this)->filter($filter);
     } else {
         return $relationClass::objects()->relation($model, $this)->filter([$this->to_field . '__in' => $in]);
     }
 }
示例#3
0
 /**
  * dispatch global and local model events
  * no event objects created if no listeners attached
  * return false if some event stop propagation (means u need to cancel dependent actions)
  * @param string $eventName
  * @return bool
  */
 protected function eventDispatch($eventName)
 {
     if (Model::events()->hasListeners($eventName)) {
         $e = new Event($this);
         Model::events()->dispatch($eventName, $e);
         if ($e->isPropagationStopped()) {
             return false;
         }
     }
     if ($this->metadata->events()->hasListeners($eventName)) {
         if (!isset($e)) {
             $e = new Event($this);
         }
         $this->metadata->events()->dispatch($eventName, $e);
         if ($e->isPropagationStopped()) {
             return false;
         }
     }
     return true;
 }
示例#4
0
 /**
  * @param \Dja\Db\Model\Model $model
  * @return \Dja\Db\Model\Model
  */
 public function getRelation(\Dja\Db\Model\Model $model)
 {
     /** @var \Dja\Db\Model\Model $relationClass */
     $relationClass = $this->relationClass;
     $value = $model->__get($this->db_column);
     if (!empty($value)) {
         $inst = $relationClass::objects()->filter([$this->to_field => (int) $value])->current();
         return $inst;
     } else {
         return $this->default;
     }
 }