/Comments/Model/Behavior/CommentableBehavior.php

<?php

App::uses('ModelBehavior', 'Model/Behavior');

/**
 * CommentableBehavior
 *
 * @category Comments.Model.Behavior
 * @package  Croogo.Comments.Model.Behavior
 * @license  http://www.opensource.org/licenses/mit-license.php The MIT License
 * @link     http://www.croogo.org
 */
class CommentableBehavior extends ModelBehavior {

/**
 * Setup behavior
 *
 * @return void
 */
	public function setup(Model $model, $config = array()) {
		$this->settings[$model->alias] = $config;

		$this->_setupRelationships($model);
	}

/**
 * Setup relationships
 *
 * @return void
 */
	protected function _setupRelationships(Model $model) {
		$model->bindModel(array(
			'hasMany' => array(
				'Comment' => array(
					'className' => 'Comments.Comment',
					'foreignKey' => 'foreign_key',
					'dependent' => true,
					'limit' => 5,
					'conditions' => array(
						'model' => $model->alias,
						'status' => (bool)1,
					),
				),
			),
		), false);
	}

/**
 * beforeDelete callback
 *
 * @return boolean
 */
	public function beforeDelete(Model $model, $cascade = true) {
		if ($cascade) {
			if (isset($model->hasMany['Comment'])) {
				$model->hasMany['Comment']['conditions'] = '';
			}
		}
		return true;
	}

/**
 * Get Comment settings from Type
 *
 * @param Model Model instance
 * @param array $data Model data to check
 * @return bool
 */
	public function getTypeSetting(Model $model, $data) {
		$defaultSetting = array(
			'commentable' => false,
			'autoApprove' => false,
			'spamProtection' => false,
			'captchaProtection' => false,
		);
		if (!CakePlugin::loaded('Taxonomy')) {
			return $defaultSetting;
		}
		if (empty($data[$model->alias]['type'])) {
			return $defaultSetting;
		}
		$Type = ClassRegistry::init('Taxonomy.Type');
		$type = $Type->find('first', array(
			'recursive' => -1,
			'conditions' => array(
				$Type->escapeField('alias') => $data[$model->alias]['type'],
			),
		));
		if ($type) {
			return array(
				'commentable' => $type['Type']['comment_status'] == 2,
				'autoApprove' => $type['Type']['comment_approve'] == 1,
				'spamProtection' => $type['Type']['comment_spam_protection'],
				'captchaProtection' => $type['Type']['comment_captcha'],
			);
		}
		return $defaultSetting;
	}

/**
 * Convenience method for Comment::add()
 *
 * @return bool
 * @see Comment::add()
 */
	public function addComment(Model $Model, $data, $options = array()) {
		if (!isset($Model->id)) {
			throw new UnexpectedValueException('Id is not set');
		}
		return $Model->Comment->add($data, $Model->alias, $Model->id, $options);
	}

}