107 lines
3.5 KiB
PHP
107 lines
3.5 KiB
PHP
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<?php
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/*
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[UCenter] (C)2001-2099 Comsenz Inc.
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This is NOT a freeware, use is subject to license terms
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$Id: friend.php 1059 2011-03-01 07:25:09Z monkey $
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*/
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!defined('IN_UC') && exit('Access Denied');
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class friendmodel {
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var $db;
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var $base;
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function __construct(&$base) {
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$this->friendmodel($base);
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}
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function friendmodel(&$base) {
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$this->base = $base;
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$this->db = $base->db;
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}
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function add($uid, $friendid, $comment='') {
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$direction = $this->db->result_first("SELECT direction FROM ".UC_DBTABLEPRE."friends WHERE uid='$friendid' AND friendid='$uid' LIMIT 1");
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if($direction == 1) {
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$this->db->query("INSERT INTO ".UC_DBTABLEPRE."friends SET uid='$uid', friendid='$friendid', comment='$comment', direction='3'", 'SILENT');
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$this->db->query("UPDATE ".UC_DBTABLEPRE."friends SET direction='3' WHERE uid='$friendid' AND friendid='$uid'");
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return 1;
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} elseif($direction == 2) {
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return 1;
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} elseif($direction == 3) {
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return -1;
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} else {
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$this->db->query("INSERT INTO ".UC_DBTABLEPRE."friends SET uid='$uid', friendid='$friendid', comment='$comment', direction='1'", 'SILENT');
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return $this->db->insert_id();
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}
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}
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function delete($uid, $friendids) {
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$friendids = $this->base->implode($friendids);
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$this->db->query("DELETE FROM ".UC_DBTABLEPRE."friends WHERE uid='$uid' AND friendid IN ($friendids)");
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$affectedrows = $this->db->affected_rows();
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if($affectedrows > 0) {
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$this->db->query("UPDATE ".UC_DBTABLEPRE."friends SET direction=1 WHERE uid IN ($friendids) AND friendid='$uid' AND direction='3'");
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}
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return $affectedrows;
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}
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function get_totalnum_by_uid($uid, $direction = 0) {
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$sqladd = '';
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if($direction == 0) {
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$sqladd = "uid='$uid'";
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} elseif($direction == 1) {
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$sqladd = "uid='$uid' AND direction='1'";
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} elseif($direction == 2) {
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$sqladd = "friendid='$uid' AND direction='1'";
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} elseif($direction == 3) {
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$sqladd = "uid='$uid' AND direction='3'";
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}
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$totalnum = $this->db->result_first("SELECT COUNT(*) FROM ".UC_DBTABLEPRE."friends WHERE $sqladd");
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return $totalnum;
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}
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function get_list($uid, $page, $pagesize, $totalnum, $direction = 0) {
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$start = $this->base->page_get_start($page, $pagesize, $totalnum);
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$sqladd = '';
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if($direction == 0) {
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$sqladd = "f.uid='$uid'";
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} elseif($direction == 1) {
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$sqladd = "f.uid='$uid' AND f.direction='1'";
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} elseif($direction == 2) {
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$sqladd = "f.friendid='$uid' AND f.direction='1'";
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} elseif($direction == 3) {
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$sqladd = "f.uid='$uid' AND f.direction='3'";
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}
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if($sqladd) {
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$data = $this->db->fetch_all("SELECT f.*, m.username FROM ".UC_DBTABLEPRE."friends f LEFT JOIN ".UC_DBTABLEPRE."members m ON f.friendid=m.uid WHERE $sqladd LIMIT $start, $pagesize");
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return $data;
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} else {
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return array();
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}
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}
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function is_friend($uid, $friendids, $direction = 0) {
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$friendid_str = implode("', '", $friendids);
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$sqladd = '';
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if($direction == 0) {
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$sqladd = "uid='$uid'";
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} elseif($direction == 1) {
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$sqladd = "uid='$uid' AND friendid IN ('$friendid_str') AND direction='1'";
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} elseif($direction == 2) {
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$sqladd = "friendid='$uid' AND uid IN ('$friendid_str') AND direction='1'";
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} elseif($direction == 3) {
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$sqladd = "uid='$uid' AND friendid IN ('$friendid_str') AND direction='3'";
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}
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if($this->db->result_first("SELECT COUNT(*) FROM ".UC_DBTABLEPRE."friends WHERE $sqladd") == count($friendids)) {
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return true;
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} else {
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return false;
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}
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}
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}
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?>
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