<?php
namespace Cas\Dao;
use KIF\Dao\AbstractDao;
use KIF\Verify;
/**
 * 文章点赞
 * @author lishumingoo@gmail.com
 */
class ArticleLike extends AbstractDao {
	protected $tableName = 'article_like';
	
	/**
	 * 点赞
	 * @param int $event_id
	 * @param int $uid
	 * @return boolean
	 */
	public function like($event_id, $uid) {
		if (!Verify::unsignedInt($event_id)) {
			return false;
		}
		
		if (!Verify::unsignedInt($uid)) {
			return false;
		}
		
		$tableInfo = array(
			'event_id'	=> $event_id,
			'uid'		=> $uid,
		);
		$tmpResult = $this->create($tableInfo);
		if (!$tmpResult) {
			return false;
		}
		
		return true;
	}
	
	/**
	 * 取消点赞
	 * @param int $event_id
	 * @param int $uid
	 * @return boolean
	 */
	public function cancalLike($event_id, $uid) {
		if (!Verify::unsignedInt($event_id)) {
			return false;
		}
		
		if (!Verify::unsignedInt($uid)) {
			return false;
		}
		
		$condition = array(
			'event_id'	=> $event_id,
			'uid'		=> $uid,
		);
		$tmpResult = $this->delete($condition);
		if (!$tmpResult) {
			return false;
		}
		
		return true;
	}
	
	/**
	 * 是否已经喜欢
	 * @param int $event_id
	 * @param int $uid
	 * @return boolean
	 */
	public function isHasLike($event_id, $uid) {
		if (!Verify::unsignedInt($event_id)) {
			return false;
		}
		
		if (!Verify::unsignedInt($uid)) {
			return false;
		}
		
		$condition = array(
			'event_id'	=> $event_id,
			'uid'		=> $uid,
		);
		$tmpResult = $this->fetchOne($condition);
		if (!$tmpResult) {
			return false;
		}
		
		return true;
	}
	
	
}