
<?php
/**
 * CounterCacheBehavior
 * 
 * @author Derick Ng aka dericknwq
 * @version 2007-05-01
 */
class CounterCacheBehavior extends ModelBehavior {
	
	var $foreignTableIDs = array();

	function setup(&$model, $config = array()) {
	}

	function afterSave(&$model, $created) {
		if ($created) {
			foreach ($model->belongsTo as $assocKey => $assocData) {
				$assocModel =& $model->{$assocData['className']};
				$field = Inflector::tableize($model->name) . '_count';
				
				if (!empty($model->data[$model->name][$assocData['foreignKey']]) && $assocModel->hasField($field)) {
					$this->foreignTableIDs[$assocData['className']] = $model->data[$model->name][$assocData['foreignKey']];
					$count = $model->findCount(array($model->name . '.' . $assocData['foreignKey'] => $this->foreignTableIDs[$assocData['className']]));
					$assocModel->id = $this->foreignTableIDs[$assocData['className']];
					$assocModel->save(array($field => $count), false, array($field));
				}
			}
		}
	}

	function beforeDelete(&$model) {
		foreach ($model->belongsTo as $assocKey => $assocData) {
			$this->foreignTableIDs[$assocData['className']] = $model->field($assocData['foreignKey']);
		}
		return true;
	}

	function afterDelete(&$model) {
		foreach ($model->belongsTo as $assocKey => $assocData) {
			$assocModel =& $model->{$assocData['className']};
			$field = Inflector::tableize($model->name) . '_count';
			
			if ($assocModel->hasField($field)) {
				$count = $model->findCount(array($model->name . '.' . $assocData['foreignKey'] => $this->foreignTableIDs[$assocData['className']]));
				$assocModel->id = $this->foreignTableIDs[$assocData['className']];
				$assocModel->save(array($field => $count), false, array($field));
			}
		}
	}

}
?>