dreamland/app/collection/lib/Ranking.php

<?php

namespace Collection\Lib;

use Dever;

class Ranking
{

	# 获取最新的总榜
    public function getInfo($info_id, $type = 1)
    {
    	$where['info_id'] = $info_id;
    	$where['type'] = $type;
        $info = Dever::db('collection/ranking')->getOne($where);

        return $info;
    }

    # 获取最新的一期
    public function getPeriodsNew($info_id, $type = 1)
    {
        $info = $this->getInfo($info_id, $type);
        if ($info) {
        	$where['info_id'] = $info_id;
	    	$where['ranking_id'] = $info['id'];
	        $info = Dever::db('collection/ranking_periods')->getNew($where);

	        return $info;
        }
        return false;
    }

    # 获取当前期的数据
    public function getData($periods_id)
    {
    	$where['periods_id'] = $periods_id;
        $data = Dever::db('collection/ranking_data')->getAll($where);

        return $data;
    }

    # 加入门票榜单
    public function up($uid, $info_id, $type = 1, $num = 1)
    {
        $periods = $this->getPeriodsNew($info_id, $type);
        if ($periods) {
        	$update['uid'] = $uid;
        	$update['periods_id'] = $periods['id'];
        	$data = Dever::db('collection/ranking_data')->one($update);
        	$update['info_id'] = $info_id;
        	$update['ranking_id'] = $periods['ranking_id'];
        	if ($data) {
        		$update['where_id'] = $data['id'];
        		$update['num'] = $data['num'] + $num;
        		Dever::db('collection/ranking_data')->update($update);
        	} else {
        		$update['num'] = $num;
        		Dever::db('collection/ranking_data')->insert($update);
        	}
        }
    }

    # 加入到cron里 检测所有榜单是否有新的期数，如果没有，自动添加新的一期
    public function cron_api()
    {
    	$ranking = Dever::db('collection/ranking')->getAll();

    	if ($ranking) {
    		$cur = time();
    		foreach ($ranking as $k => $v) {
	    		$where['ranking_id'] = $v['id'];
	        	$info = Dever::db('collection/ranking_periods')->getNew($where);
	        	if (!$info) {
	        		# 如果没有，就建立新的期数
	        		$this->createPeriods(1, $cur, $v);
	        	} else {
	        		# 如果有，检查结束时间到没到期，如果到了，就把这一期置为已结束，重新建立新的期数
	        		if ($cur > $info['end']) {
	        			Dever::db('collection/ranking_periods')->update(array('where_id' => $info['id'], 'status' => 2));
	        			$this->createPeriods($info['periods'] + 1, $cur, $v);
	        		}
	        	}
    		}
    	}
    }

    private function createPeriods($periods, $cur, $info)
    {
    	# 查看总榜的结束时间是否结束
    	if ($info['end'] && $cur > $info['end']) {
    		Dever::db('collection/ranking')->update(array('where_id' => $info['id'], 'status' => 2));
    		return;
    	}

    	$data['info_id'] = $info['info_id'];
    	$data['ranking_id'] = $info['id'];
    	$data['name'] = '第' . $periods . '期';
    	$data['periods'] = $periods;
    	$data['users'] = 0;
    	$data['status'] = 1;
    	$data['start'] = $cur;
    	if ($info['periods'] == 2) {
    		# 周
    		$time = 3600*24*7;
    	} elseif ($info['periods'] == 3) {
    		# 月
    		$time = 3600*24*30;
    	} elseif ($info['periods'] == 4) {
    		# 年
    		$time = 3600*24*365;
    	}
    	$data['end'] = $data['start'] + $time;
    	Dever::db('collection/ranking_periods')->insert($data);
    }
}