<?php 
	/**
	 * Component class to help saving multiple records
	 * @author Marcel Raaijmakers aka Marcelius
	 *
	 */
	class MultirecordComponent extends Component{
		
		// Saving a reference to the controller on the component instance
		public function startup(&$controller) {
			$this->controller = &$controller;
		}
		
		
		/**
		 * Converts array from findAll* methods (nr.className.fieldName) in the format of className.recordId.fieldName
		 *
		 * @param array The data in the format nr.className.fieldName
		 * @return array in the format className.recordId.fieldName
		 */
		function toMulti($data){
			$primaryKey = $this->controller->{$this->controller->modelClass}->primaryKey; //usualy 'id'

			$result = array();

			if (is_array($data)){
				foreach ($data as $record) {
					if ($ar = @each($record)){
						$result[$ar["value"][$primaryKey]][$ar["key"]] = $ar["value"]; 
					}
				}
				
			}

			return $result;
		}
	
		
		/**
		 * Validate mulitple records
		 * On validate failure, the validation result will be passed to that model
		 *
		 * @return boolean True if all records validate
		 */
		function validate(){
			$validationErrors = array();
			
			$model = $this->controller->{$this->controller->modelClass};

			foreach ($this->controller->data as $id=>$data) {
				$model->create($this->controller->data[$id]);

				
				//if doesn't validate, add to array
				if (!$model->validates()){
					$validationErrors[$id][$this->controller->name] = $model->validationErrors;
				}
			}
			
			
			if (!empty($validationErrors)){
				$model->validationErrors = $validationErrors;
			}
			
			
			return empty($validationErrors);
		}
		
		
		/**
		 * Saves all records in this->controller->data
		 *
		 * @return boolean True if all records are saved
		 */
		function save(){
			$model = $this->controller->{$this->controller->modelClass};
			
			$result = $model->saveAll($this->controller->data, array("validate"=>false));
			
			return $result;
		}
		
		
	}
?>