<?php

class VipquestionDao {
	
	public $id;
	
	public $price;
	
	public $author;
	
	public $authorid;
	
	public $title;
	
	public $description;
	
	public $supply;
	
	public $time;
	
	public $endtime;
	
	public $answers;
	
	public $status;
	
	public $ip;
	
	public $refunds;
	
	public $_table = t_vipquestion;
	
	public $_primarykey = "id";
	
	public $_fields = array ('id', 'price', 'author', 'authorid', 'title', 'description', 'supply', 'time', 'endtime', 'answers', 'status', 'ip', 'refunds' );
	
	/**
	 * 获取已付款未完成填写问题
	 * @param unknown_type $uid
	 */
	public function get_vip_question_by_paid($uid = 0) {
		$sql = "SELECT * FROM  " . t_vipquestion . " where authorid=" . $uid . " and status=1 limit 1";
		
		$query = Doo::db ()->query ( $sql );
		
		$result = $query->fetch ();
		
		return $result;
	}
	
	/**
	 * 根据ID获取问答
	 * @param unknown_type $id
	 */
	public function get_vip_question_by_id($id = 0) {
		$sql = "SELECT * FROM  " . t_vipquestion . " where id=" . $id . " limit 1";
		
		$query = Doo::db ()->query ( $sql );
		
		$result = $query->fetch ();
		
		return $result;
	}
	
	/**
	 * 获取该用户指定的名师问题
	 * @param unknown_type $qid
	 * @param unknown_type $uid
	 */
	function get_vip_question_by_quid($qid, $uid) {
		$sql = "SELECT * FROM  " . t_vipquestion . " where id=" . $qid . " and authorid=" . $uid . " limit 1";
		
		$query = Doo::db ()->query ( $sql );
		
		$result = $query->fetch ();
		
		return $result;
	}
	
	/**
	 * 更新名师问题的详情
	 * @param unknown_type $qid
	 * @param unknown_type $description
	 */
	function update_vip_question_description($qid, $description) {
		$sql = "UPDATE " . t_vipquestion . " SET  description='" . $description . "' WHERE id = " . $qid;
		
		$query = Doo::db ()->query ( $sql );
	}
	
	/**
	 * 设置问题状态
	 * @param unknown_type $id
	 */
	function set_vip_question_status($id, $status, $refunds_description = "") {
		$sql = "UPDATE " . t_vipquestion . " SET  status='" . $status . "' , refunds_description='" . $refunds_description . "' WHERE id = " . $id;
		
		$query = Doo::db ()->query ( $sql );
	}
	
	/**
	 * 获取某个用户的名师答疑
	 * @param unknown_type $uid
	 */
	function get_vip_question_by_uid($uid) {
		$sql = "SELECT * FROM  " . t_vipquestion . " where status!=" . PAID_NO_FILL_IN . " and authorid=" . $uid . " order by time desc";
		
		$query = Doo::db ()->query ( $sql );
		
		$result = $query->fetchAll ();
		
		return $result;
	}
	
	/**
	 * 更新问题数
	 * @param unknown_type $id
	 */
	function update_vip_question_by_answers($id = 0) {
		$sql = "UPDATE " . t_vipquestion . " SET  answers= answers + 1 WHERE id = " . $id;
		
		$query = Doo::db ()->query ( $sql );
	}
}

?>