PHP Entity::extractOriginalChanged方法代码示例

 /**
  * Test extractOriginal()
  *
  * @return void
  */
 public function testExtractOriginal()
 {
     $entity = new Entity(['id' => 1, 'title' => 'original', 'body' => 'no'], ['markNew' => true]);
     $entity->set('body', 'updated body');
     $result = $entity->extractOriginal(['id', 'title', 'body']);
     $expected = ['id' => 1, 'title' => 'original', 'body' => 'no'];
     $this->assertEquals($expected, $result);
     $result = $entity->extractOriginalChanged(['id', 'title', 'body']);
     $expected = ['body' => 'no'];
     $this->assertEquals($expected, $result);
 }

 /**
  * Save the before and after state of the modified entity to the Revisions table.
  * 
  * @param  Event  $event  [description]
  * @param  Entity $entity [description]
  * @return void
  */
 public function afterSave(Event $event, Entity $entity)
 {
     # get the current configuration
     $config = $this->config();
     # pessimistic - expect not to have to update anything
     $trigger = false;
     # if watch is set, use it
     switch (true) {
         # if `watch` is set AND one of the fields we're watching has been changed, trigger a save
         case !empty($config['watch']):
             $trigger = !empty($entity->extractOriginalChanged($config['watch']));
             break;
             # if `ignore` is set AND at least one other non-ignored field was changed, trigger a save
         # if `ignore` is set AND at least one other non-ignored field was changed, trigger a save
         case !empty($config['ignore']):
             $trigger = !empty(array_diff($entity->extractOriginalChanged($this->_table->schema()->columns()), $entity->extractOriginalChanged($config['ignore'])));
             break;
             # if SOMETHING changed, and we're not explicity watching or ignoring anything, trigger anyway
         # if SOMETHING changed, and we're not explicity watching or ignoring anything, trigger anyway
         default:
             $trigger = $entity->dirty();
             break;
     }
     # if we don't need to trigger a save, stop
     if (!$trigger) {
         return;
     }
     # rebuild the original entity
     $before = $this->_table->patchEntity($before = clone $entity, $before->extractOriginal($this->_table->schema()->columns()));
     # load the Revisions Model
     $this->Revisions = TableRegistry::get('Revisions.Revisions');
     # build the Revision record
     $r = $this->Revisions->newEntity(['model' => $this->_table->table(), 'modelPrimaryKey' => $entity->get($this->_table->primaryKey()), 'before_edit' => json_encode($before), 'after_edit' => json_encode($entity)]);
     # and save it
     $this->Revisions->save($r);
 }

 /**
  * Updates counter cache for a single association
  *
  * @param \Cake\Event\Event $event Event instance.
  * @param \Cake\ORM\Entity $entity Entity
  * @param Association $assoc The association object
  * @param array $settings The settings for for counter cache for this association
  * @return void
  */
 protected function _processAssociation(Event $event, Entity $entity, Association $assoc, array $settings)
 {
     $foreignKeys = (array) $assoc->foreignKey();
     $primaryKeys = (array) $assoc->target()->primaryKey();
     $countConditions = $entity->extract($foreignKeys);
     $updateConditions = array_combine($primaryKeys, $countConditions);
     $countOriginalConditions = $entity->extractOriginalChanged($foreignKeys);
     if ($countOriginalConditions !== []) {
         $updateOriginalConditions = array_combine($primaryKeys, $countOriginalConditions);
     }
     foreach ($settings as $field => $config) {
         if (is_int($field)) {
             $field = $config;
             $config = [];
         }
         if (!is_string($config) && is_callable($config)) {
             $count = $config($event, $entity, $this->_table, false);
         } else {
             $count = $this->_getCount($config, $countConditions);
         }
         $assoc->target()->updateAll([$field => $count], $updateConditions);
         if (isset($updateOriginalConditions)) {
             if (!is_string($config) && is_callable($config)) {
                 $count = $config($event, $entity, $this->_table, true);
             } else {
                 $count = $this->_getCount($config, $countOriginalConditions);
             }
             $assoc->target()->updateAll([$field => $count], $updateOriginalConditions);
         }
     }
 }