<?php

/**
 *      [Discuz!] (C)2001-2099 Comsenz Inc.
 *      This is NOT a freeware, use is subject to license terms
 *
 *      $Id: table_common_task.php 27777 2012-02-14 07:07:26Z zhengqingpeng $
 */

if(!defined('IN_DISCUZ')) {
	exit('Access Denied');
}

class table_common_task extends discuz_table
{
	public function __construct() {

		$this->_table = 'common_task';
		$this->_pk    = 'taskid';

		parent::__construct();
	}

	public function fetch_all_by_available($available) {
		return DB::fetch_all("SELECT * FROM %t WHERE available=%d", array($this->_table, $available), $this->_pk);
	}

	public function fetch_all_data() {
		return DB::fetch_all("SELECT * FROM %t ORDER BY displayorder, taskid DESC", array($this->_table));
	}

	public function count_by_scriptname($scriptname) {
		return DB::result_first("SELECT COUNT(*) FROM %t WHERE scriptname=%s", array($this->_table, $scriptname));
	}

	public function fetch_all_by_scriptname($scriptname) {
		return DB::fetch_all("SELECT * FROM %t WHERE scriptname=%s", array($this->_table, $scriptname));
	}

	public function update_by_scriptname($scriptname, $data) {
		if(!$data || !is_array($data)) {
			return;
		}
		DB::update($this->_table, $data, DB::field('scriptname', $scriptname));
	}

	public function update_applicants($taskid, $v) {
		DB::query("UPDATE %t SET applicants=applicants+%s WHERE taskid=%d", array($this->_table, $v, $taskid));
	}

	public function update_achievers($taskid, $v) {
		return DB::query("UPDATE %t SET achievers=achievers+%s WHERE taskid=%d", array($this->_table, $v, $taskid));
	}

	public function update_available($available = 2) {
		if($available == 2) {
			//上线开始的活动
			DB::query("UPDATE %t SET available='2' WHERE available='1' AND starttime<=%d AND (endtime='0' OR endtime>%d)", array($this->_table, TIMESTAMP, TIMESTAMP), false, true);
		} else {
			//隐藏未开始或者结束的活动
			DB::query("UPDATE %t SET available='1' WHERE available='2' AND (starttime>%d || (endtime<=%d && endtime>'0'))", array($this->_table, TIMESTAMP, TIMESTAMP), false, true);
		}
	}

	public function fetch_next_starttime() {
		//下个活动开始时间
		return DB::result_first("SELECT starttime FROM %t WHERE available='1' AND starttime>'0' AND (endtime='0' OR endtime>%d) ORDER BY starttime ASC", array($this->_table, TIMESTAMP, TIMESTAMP));
	}

	public function fetch_next_endtime() {
		//下个活动结束时间
		return DB::result_first("SELECT endtime FROM %t WHERE available='2' AND endtime>'0' ORDER BY endtime ASC", array($this->_table));
	}

	public function fetch_all_by_status($uid, $status) {
		switch($status) {
			case 'doing':
				$status = "mt.status='0'";
				break;
			case 'done':
				$status = "mt.status='1'";
				break;
			case 'failed':
				$status = "mt.status='-1'";
				break;
			case 'canapply':
			case 'new':
			default:
				$status = "'".TIMESTAMP."' > starttime AND (endtime=0 OR endtime>'".TIMESTAMP."') AND (mt.taskid IS NULL OR (ABS(mt.status)='1' AND t.period>0))";
				break;
		}
		return DB::fetch_all("SELECT t.*, mt.csc, mt.dateline FROM %t t
			LEFT JOIN %t mt ON mt.taskid=t.taskid AND mt.uid=%d
			WHERE %i AND t.available='2' ORDER BY t.displayorder, t.taskid DESC", array($this->_table, 'common_mytask', $uid, $status));
	}

	public function fetch_by_uid($uid, $taskid) {
		return DB::fetch_first("SELECT t.*, mt.dateline, mt.dateline AS applytime, mt.status, mt.csc FROM %t t LEFT JOIN %t mt ON mt.uid=%d AND mt.taskid=t.taskid
			WHERE t.taskid=%d AND t.available='2'", array($this->_table, 'common_mytask', $uid, $taskid));
	}

}

?>