/**
* Remove instance from database
*
* @param integer $id
* @return bool
*/
public function removeInstance($id)
{
$instance = $this->CollectionInstance->find($id);
$this->Field->where('collection_instance_id', $id)->forceDelete();
return $instance ? $instance->delete() : false;
}
/**
* Find all fields where content requested is true for given
* page version id and builds a list of field keys
*
* @param integer $pageVersionId
* @return Field
*/
public function findContentRequestedFieldsList($pageVersionId)
{
return $this->Field->where('page_version_id', '=', $pageVersionId)->where('content_requested', '=', true)->select('id')->lists('id');
}
/**
* Creates collection fields object from a collection
* instance that we pulled from the database (those will
* have fields associated with them too)
*
* @param CollectionInstance $instance
* @return CollectionFields
*/
public function createFromCollectionInstance($instance)
{
$fields = $this->Field->where('collection_instance_id', '=', $instance->id)->where('page_version_id', '=', $instance->page_version_id)->get();
return new CollectionFields($fields);
}