DiscuzX/upload/source/class/table/table_home_feed.php

250 lines
6.6 KiB
PHP

<?php
/**
* [Discuz!] (C)2001-2099 Comsenz Inc.
* This is NOT a freeware, use is subject to license terms
*
* $Id: table_home_feed.php 28335 2012-02-28 04:37:47Z zhangguosheng $
*/
if(!defined('IN_DISCUZ')) {
exit('Access Denied');
}
class table_home_feed extends discuz_table
{
public function __construct() {
$this->_table = 'home_feed';
$this->_pk = 'feedid';
parent::__construct();
}
public function optimize_table() {
return DB::query("OPTIMIZE TABLE %t", array($this->_table), true);
}
public function fetch($id, $idtype = '', $uid = '', $feedid = '') {
$wherearr = array();
if($feedid) {
$wherearr[] = DB::field('feedid', $feedid);
}
if($id) {
$wherearr[] = DB::field('id', $id);
$wherearr[] = DB::field('idtype', $idtype);
}
if($uid) {
$wherearr[] = DB::field('uid', $uid);
}
$wheresql = !empty($wherearr) && is_array($wherearr) ? ' WHERE '.implode(' AND ', $wherearr) : '';
if(empty($wheresql)) {
return null;
}
return DB::fetch_first('SELECT * FROM '.DB::table($this->_table).' '.$wheresql);
}
public function fetch_all_by_uid_dateline($uids, $findex = true, $start = 0, $limit = 5) {
if(!($uids = dintval($uids, true))) {
return null;
}
return DB::fetch_all('SELECT * FROM %t '.(($findex) ? 'USE INDEX(dateline)' : '').' WHERE uid IN (%n) ORDER BY dateline desc %i', array($this->_table, $uids, DB::limit($start, $limit)));
}
public function fetch_all_by_hot($hotstarttime) {
return DB::fetch_all('SELECT * FROM %t USE INDEX(hot) WHERE dateline>=%d ORDER BY hot DESC LIMIT 0,10', array($this->_table, $hotstarttime));
}
public function update($id, $data, $idtype = '', $uid = '', $feedid = '') {
$condition = array();
if($feedid) {
$condition[] = DB::field('feedid', $feedid);
}
if($id) {
$condition[] = DB::field('id', $id);
$condition[] = DB::field('idtype', $idtype);
}
if($uid) {
$condition[] = DB::field('uid', $uid);
}
if(empty($data) || !is_array($data) || !count($condition)) {
return null;
}
DB::update($this->_table, $data, implode(' AND ', $condition));
}
public function update_hot_by_id($id, $idtype, $uid, $inchot) {
DB::query('UPDATE %t SET hot = hot+\'%d\' WHERE id = %d AND idtype = %s AND uid = %d', array($this->_table, $inchot, $id, $idtype, $uid));
}
public function update_hot_by_feedid($feedid, $inchot) {
DB::query('UPDATE %t SET hot = hot+\'%d\' WHERE feedid = %d', array($this->_table, $inchot, $feedid));
}
public function delete_by_dateline($dateline, $hot = 0) {
if(!is_numeric($dateline) || !is_numeric($hot)) {
return false;
}
$condition = array();
$condition[] = DB::field('dateline', $dateline, '<');
$condition[] = DB::field('hot', $hot);
DB::delete($this->_table, implode(' AND ', $condition));
}
public function delete_by_id_idtype($ids, $idtype) {
if(!$ids || !$idtype) {
return null;
}
$condition = array();
$condition[] = DB::field('id', $ids);
$condition[] = DB::field('idtype', $idtype);
DB::delete($this->_table, implode(' AND ', $condition));
}
public function delete_by_uid_idtype($uid, $idtype) {
if(!$uid || !$idtype) {
return null;
}
$condition = array();
$condition[] = DB::field('uid', $uid);
$condition[] = DB::field('idtype', $idtype);
DB::delete($this->_table, implode(' AND ', $condition));
}
public function delete_by_icon($icon) {
if(!$icon) {
return null;
}
DB::delete($this->_table, DB::field('icon', $icon));
}
public function delete($feedid, $uid = '') {
$condition = array();
if($feedid) {
$condition[] = DB::field('feedid', $feedid);
}
if($uid) {
$condition[] = DB::field('uid', $uid);
}
if(!count($condition)) {
return null;
}
DB::delete($this->_table, implode(' AND ', $condition));
}
public function delete_by_uid($uids) {
if(!$uids) {
return null;
}
DB::delete($this->_table, DB::field('uid', $uids).' OR ('.DB::field('id', $uids).' AND idtype=\'uid\')');
}
public function fetch_uid_by_username($users) {
if(!$users) {
return null;
}
return DB::fetch_all('SELECT uid FROM %t WHERE username IN (%n)', array($this->_table, $users), 'uid');
}
public function fetch_icon_by_icon($icon) {
return DB::fetch_first('SELECT icon FROM %t WHERE icon=%s', array($this->_table, $icon));
}
public function fetch_feedid_by_hashdata($uid, $hash_data) {
return DB::fetch_first('SELECT feedid FROM %t WHERE uid=%d AND hash_data=%s LIMIT 0,1', array($this->_table, $uid, $hash_data));
}
public function fetch_feedid_by_feedid($feedid) {
if(!$feedid) {
return null;
}
return DB::fetch_all('SELECT feedid FROM %t WHERE feedid IN (%n)', array($this->_table, $feedid), 'feedid');
}
public function fetch_uid_by_uid($uid) {
if(!$uid) {
return null;
}
return DB::fetch_all('SELECT uid FROM %t WHERE uid IN (%n)', array($this->_table, $uid), 'uid');
}
public function fetch_all_by_search($fetchtype, $uids, $icon, $starttime, $endtime, $feedids, $hot1, $hot2, $start = 0, $limit = 0, $findex = '', $appid = '') {
$parameter = array($this->_table);
$wherearr = array();
if(is_array($uids) && count($uids)) {
$parameter[] = $uids;
$wherearr[] = 'uid IN(%n)';
}
if($appid) {
$parameter[] = $appid;
$wherearr[] = 'appid=%d';
}
if($icon) {
$parameter[] = $icon;
$wherearr[] = 'icon=%s';
}
if($starttime) {
$parameter[] = is_numeric($starttime) ? $starttime : strtotime($starttime);
$wherearr[] = 'dateline>%d';
}
if($endtime) {
$parameter[] = is_numeric($endtime) ? $endtime : strtotime($endtime);
$wherearr[] = 'dateline<%d';
}
if(is_array($feedids) && count($feedids)) {
$parameter[] = $feedids;
$wherearr[] = 'feedid IN(%n)';
}
if($hot1) {
$parameter[] = $hot1;
$wherearr[] = 'hot>=%d';
}
if($hot2) {
$parameter[] = $hot2;
$wherearr[] = 'hot<=%d';
}
if($fetchtype == 3) {
$selectfield = "count(*)";
} elseif ($fetchtype == 2) {
$selectfield = "feedid";
} else {
$selectfield = "*";
$parameter[] = DB::limit($start, $limit);
$ordersql = ' ORDER BY dateline DESC %i';
}
if($findex) {
$findex = 'USE INDEX(dateline)';
}
$wheresql = !empty($wherearr) && is_array($wherearr) ? ' WHERE '.implode(' AND ', $wherearr) : '';
if($fetchtype == 3) {
return DB::result_first("SELECT $selectfield FROM %t $wheresql", $parameter);
} else {
return DB::fetch_all("SELECT $selectfield FROM %t {$findex} $wheresql $ordersql", $parameter);
}
}
}
?>