mirror of
https://github.com/renbaoshuo/S2OJ.git
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0ec962b4af
In order to support PHP7, change the way to operate database. PHP7 removed the mysql extension, so the old way to operate database is not usable. This commit use a new way to operate database. BREAKING CHANGE: the way to operate database has changed.
303 lines
8.8 KiB
PHP
303 lines
8.8 KiB
PHP
<?php
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if ($myUser == null) {
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redirectToLogin();
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}
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function handleMsgPost() {
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global $myUser;
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if (!isset($_POST['receiver'])) {
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return 'fail';
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}
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if (!isset($_POST['message'])) {
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return 'fail';
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}
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if (0 > strlen($_POST['message']) || strlen($_POST['message']) > 65535) {
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return 'fail';
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}
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$receiver = $_POST['receiver'];
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$esc_message = DB::escape($_POST['message']);
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$sender = $myUser['username'];
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if (!validateUsername($receiver) || !queryUser($receiver)) {
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return 'fail';
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}
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DB::query("insert into user_msg (sender, receiver, message, send_time) values ('$sender', '$receiver', '$esc_message', now())");
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return "ok";
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}
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function getConversations() {
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global $myUser;
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$username = $myUser['username'];
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$result = DB::query( "select * from user_msg where sender = '$username' or receiver = '$username' order by send_time DESC" );
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$ret = array();
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while ($msg = DB::fetch($result)) {
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if ($msg['sender'] !== $username) {
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if (isset($ret[$msg['sender']])) {
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$ret[$msg['sender']][1] |= ($msg['read_time'] == null);
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continue;
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}
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$ret[$msg['sender']] = array($msg['send_time'], ($msg['read_time'] == null));
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} else {
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if (isset($ret[$msg['receiver']])) continue;
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$ret[$msg['receiver']] = array($msg['send_time'], 0);
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}
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}
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$res = [];
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foreach ($ret as $name => $con) {
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$res[] = [$con[0], $con[1], $name];
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}
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usort($res, function($a, $b) { return -strcmp($a[0], $b[0]); });
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return json_encode($res);
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}
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function getHistory() {
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global $myUser;
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$username = $myUser['username'];
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if (!isset($_GET['conversationName']) || !validateUsername($_GET['conversationName'])) {
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return '[]';
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}
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if (!isset($_GET['pageNumber']) || !validateUInt($_GET['pageNumber'])) {
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return '[]';
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}
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$conversationName = $_GET['conversationName'];
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$pageNumber = ($_GET['pageNumber'] - 1) * 10;
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DB::query("update user_msg set read_time = now() where sender = '$conversationName' and receiver = '$username' and read_time is null");
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$result = DB::query("select * from user_msg where (sender = '$username' and receiver = '$conversationName') or (sender = '$conversationName' and receiver = '$username') order by send_time DESC limit $pageNumber, 11");
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$ret = array();
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while ($msg = DB::fetch($result)) {
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$ret[] = array($msg['message'], $msg['send_time'], $msg['read_time'], $msg['id'], ($msg['sender'] == $username));
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}
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return json_encode($ret);
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}
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/*
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function deleteMsg($msgId) {
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return 1;
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$str = <<<EOD
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select * from user_msg
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where id = $msgId
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and read_time is null
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EOD;
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$result = DB::query($str);
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if (DB::fetch($result)) {
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$str = <<<EOD
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delete from user_msg
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where id = $msgId
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EOD;
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DB::query($str);
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return 1;
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}
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return 0;
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}
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*/
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if (isset($_POST['user_msg'])) {
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die(handleMsgPost());
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} elseif (isset($_GET['getConversations'])) {
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die(getConversations());
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} elseif (isset($_GET['getHistory'])) {
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die(getHistory());
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}
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?>
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<?php echoUOJPageHeader('私信') ?>
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<h1 class="page-header">私信</h1>
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<div id="conversations">
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</div>
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<div id="history" style="display:none">
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<div class="panel panel-primary">
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<div class="panel-heading">
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<button type="button" id="goBack" class="btn btn-info btn-xs" style="position:absolute">返回</button>
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<div id="conversation-name" class="text-center"></div>
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</div>
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<div class="panel-body">
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<ul class="pager top-buffer-no">
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<li class="previous"><a href="#" id="pageLeft">← 更早的消息</a></li>
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<li class="text-center" id="pageShow" style="line-height:32px"></li>
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<li class="next"><a href="#" id="pageRight">更新的消息 →</a></li>
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</ul>
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<div id="history-list" style="min-height: 200px;">
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</div>
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<ul class="pager bot-buffer-no">
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<li class="previous"><a href="#history" id="pageLeft2">← 更早的消息</a></li>
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<li class="next"><a href="#history" id="pageRight2">更新的消息 →</a></li>
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</ul>
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<hr />
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<form id="form-message">
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<div class="form-group" id="form-group-message">
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<textarea id="input-message" class="form-control"></textarea>
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<span id="help-message" class="help-block"></span>
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</div>
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<div class="text-right">
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<button type="submit" id="message-submit" class="btn btn-info btn-md">发送</button>
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</div>
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</form>
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</div>
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</div>
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</div>
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<script type="text/javascript">
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$(document).ready(function() {
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$.ajaxSetup({async:false});
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refreshConversations();
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<?php if (isset($_GET['enter'])): ?>
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enterConversation("<?= $_GET['enter'] ?>");
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<?php endif ?>
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});
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</script>
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<script type="text/javascript">
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function addButton(conversationName, send_time, type) {
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$("#conversations").append(
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'<div class="row top-buffer-sm">' +
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'<div class="col-sm-3">' +
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'<button type="button" class="btn btn-' + ( type ? 'warning' : 'primary' ) + ' btn-block" ' +
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'onclick="enterConversation(\'' + conversationName + '\')">' +
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conversationName +
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'</button>' +
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'</div>' +
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'<div class="col-sm-9" style="line-height:34px">' +
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'最后发送时间：' + send_time +
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'</div>' +
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'</div>'
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);
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}
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function addBubble(content, send_time, read_time, msgId, conversation, page, type) {
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$("#history-list").append(
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'<div style=' + (type ? "margin-left:0%;margin-right:20%;" : "margin-left:20%;margin-right:0%;") + '>' +
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'<div class="panel panel-info">' +
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'<div class="panel-body" style="background:#afeeee; word-break: break-all">' +
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'<div style="white-space:pre-wrap">' +
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htmlspecialchars(content) +
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'</div>' +
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'</div>' +
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'<div>' +
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'<div class="row">' +
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'<div class="col-sm-6">' +
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'发送时间：' + send_time +
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'</div>' +
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'<div class="col-sm-6 text-right">' +
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'查看时间：' + (read_time == null ? '<strong>未查看</strong>' : read_time) +
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'</div>' +
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'</div>' +
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'</div>' +
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'</div>' +
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'</div>'
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);
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}
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function submitMessagePost(conversationName) {
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if ($('#input-message').val().length == 0 || $('#input-message').val().length >= 65536) {
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$('#help-message').text('私信长度必须在1~65535之间。');
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$('#form-group-message').addClass('has-error');
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return;
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}
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$('#help-message').text('');
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$('#form-group-message').removeClass('has-error');
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$.post('/user/msg', {
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user_msg : 1,
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receiver : conversationName,
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message : $('#input-message').val()
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}, function(msg) {
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$('#input-message').val("");
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});
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}
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function refreshHistory(conversation, page) {
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$("#history-list").empty();
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var ret = false;
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$('#conversation-name').text(conversation);
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$('#pageShow').text("第" + page.toString() + "页");
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$.get('/user/msg', {
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getHistory : '',
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conversationName : conversation,
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pageNumber : page
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}, function(msg) {
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var result = JSON.parse(msg);
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var cnt = 0, flag = 0, F = 0;
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if (result.length == 11) flag = 1, F = 1;
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result.reverse();
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for (msg in result) {
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if (flag) {flag = 0; continue;}
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var message = result[msg];
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addBubble(message[0], message[1], message[2], message[3], conversation, page, message[4]);
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if ((++cnt) + 1 == result.length && F) break;
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}
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if (result.length == 11) ret = true;
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});
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return ret;
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}
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function refreshConversations() {
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$("#conversations").empty();
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$.get('/user/msg', {
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getConversations : ""
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}, function(msg) {
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var result = JSON.parse(msg);
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for (i in result) {
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var conversation = result[i];
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if (conversation[1] == 1) {
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addButton(conversation[2], conversation[0], conversation[1]);
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}
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}
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for (i in result) {
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var conversation = result[i];
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if (conversation[1] == 0) {
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addButton(conversation[2], conversation[0], conversation[1]);
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}
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}
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}
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);
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}
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function enterConversation(conversationName) {
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var slideTime = 300;
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var page = 1;
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$("#conversations").hide(slideTime);
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var changeAble = refreshHistory(conversationName, page);
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$("#history").slideDown(slideTime);
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$('#form-message').unbind("submit").submit(function() {
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submitMessagePost(conversationName);
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page = 1;
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changeAble = refreshHistory(conversationName, page);
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refreshConversations();
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return false;
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});
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$('#goBack').unbind("click").click(function() {
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refreshConversations();
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$("#history").slideUp(slideTime);
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$("#conversations").show(slideTime);
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return;
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});
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$('#pageLeft').unbind("click").click(function() {
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if (changeAble) page++;
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changeAble = refreshHistory(conversationName, page);
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return false;
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});
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$('#pageLeft2').unbind("click").click(function() {
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if (changeAble) page++;
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changeAble = refreshHistory(conversationName, page);
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});
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$('#pageRight').unbind("click").click(function() {
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if (page > 1) page--;
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changeAble = refreshHistory(conversationName, page);
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return false;
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});
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$('#pageRight2').unbind("click").click(function() {
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if (page > 1) page--;
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changeAble = refreshHistory(conversationName, page);
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});
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}
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</script>
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<?php echoUOJPageFooter() ?>
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