/
user_msg.php
306 lines (283 loc) · 9.07 KB
/
user_msg.php
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<?php
if ($myUser == null) {
redirectToLogin();
}
function handleMsgPost() {
global $myUser;
if (!isset($_POST['receiver'])) {
return 'fail';
}
if (!isset($_POST['message'])) {
return 'fail';
}
if (0 > strlen($_POST['message']) || strlen($_POST['message']) > 65535) {
return 'fail';
}
$receiver = $_POST['receiver'];
$esc_message = DB::escape($_POST['message']);
$sender = $myUser['username'];
if (!validateUsername($receiver) || !queryUser($receiver)) {
return 'fail';
}
DB::query("insert into user_msg (sender, receiver, message, send_time) values ('$sender', '$receiver', '$esc_message', now())");
return "ok";
}
function getConversations() {
global $myUser;
$username = $myUser['username'];
$result = DB::query( "select * from user_msg where sender = '$username' or receiver = '$username' order by send_time DESC" );
$ret = array();
while ($msg = DB::fetch($result)) {
if ($msg['sender'] !== $username) {
if (isset($ret[$msg['sender']])) {
$ret[$msg['sender']][1] |= ($msg['read_time'] == null);
continue;
}
$ret[$msg['sender']] = array($msg['send_time'], ($msg['read_time'] == null));
} else {
if (isset($ret[$msg['receiver']])) {
continue;
}
$ret[$msg['receiver']] = array($msg['send_time'], 0);
}
}
$res = [];
foreach ($ret as $name => $con) {
$res[] = [$con[0], $con[1], $name];
}
usort($res, function($a, $b) {
return -strcmp($a[0], $b[0]);
});
return json_encode($res);
}
function getHistory() {
global $myUser;
$username = $myUser['username'];
if (!isset($_GET['conversationName']) || !validateUsername($_GET['conversationName'])) {
return '[]';
}
if (!isset($_GET['pageNumber']) || !validateUInt($_GET['pageNumber'])) {
return '[]';
}
$conversationName = $_GET['conversationName'];
$pageNumber = ($_GET['pageNumber'] - 1) * 10;
DB::query("update user_msg set read_time = now() where sender = '$conversationName' and receiver = '$username' and read_time is null");
$result = DB::query("select * from user_msg where (sender = '$username' and receiver = '$conversationName') or (sender = '$conversationName' and receiver = '$username') order by send_time DESC limit $pageNumber, 11");
$ret = array();
while ($msg = DB::fetch($result)) {
$ret[] = array($msg['message'], $msg['send_time'], $msg['read_time'], $msg['id'], ($msg['sender'] == $username));
}
return json_encode($ret);
}
/*
function deleteMsg($msgId) {
return 1;
$str = <<<EOD
select * from user_msg
where id = $msgId
and read_time is null
EOD;
$result = DB::query($str);
if (DB::fetch($result)) {
$str = <<<EOD
delete from user_msg
where id = $msgId
EOD;
DB::query($str);
return 1;
}
return 0;
}
*/
if (isset($_POST['user_msg'])) {
die(handleMsgPost());
} elseif (isset($_GET['getConversations'])) {
die(getConversations());
} elseif (isset($_GET['getHistory'])) {
die(getHistory());
}
?>
<?php echoUOJPageHeader('私信') ?>
<h1 class="page-header">私信</h1>
<div id="conversations">
</div>
<div id="history" style="display:none">
<div class="card border-primary">
<div class="card-header bg-primary text-white">
<button type="button" id="goBack" class="btn btn-info btn-sm" style="position:absolute">返回</button>
<div id="conversation-name" class="text-center"></div>
</div>
<div class="card-body">
<ul class="pagination top-buffer-no justify-content-between">
<li class="previous"><a class="btn btn-outline-secondary text-primary" href="#" id="pageLeft">← 更早的消息</a></li>
<li class="text-center" id="pageShow" style="line-height:32px"></li>
<li class="next"><a class="btn btn-outline-secondary text-primary" href="#" id="pageRight">更新的消息 →</a></li>
</ul>
<div id="history-list" style="min-height: 200px;">
</div>
<ul class="pagination top-buffer-no justify-content-between">
<li class="previous"><a class="btn btn-outline-secondary text-primary" href="#history" id="pageLeft2">← 更早的消息</a></li>
<li class="next"><a class="btn btn-outline-secondary text-primary" href="#history" id="pageRight2">更新的消息 →</a></li>
</ul>
<hr />
<form id="form-message">
<div class="form-group" id="form-group-message">
<textarea id="input-message" class="form-control"></textarea>
<span id="help-message" class="help-block"></span>
</div>
<div class="text-right">
<button type="submit" id="message-submit" class="btn btn-info btn-md">发送</button>
</div>
</form>
</div>
</div>
</div>
<script type="text/javascript">
$(document).ready(function() {
$.ajaxSetup({async:false});
refreshConversations();
<?php if (isset($_GET['enter'])): ?>
enterConversation(<?= json_encode($_GET['enter']) ?>);
<?php endif ?>
});
</script>
<script type="text/javascript">
function addButton(conversationName, send_time, type) {
$("#conversations").append(
'<div class="row top-buffer-sm">' +
'<div class="col-sm-3">' +
'<button type="button" class="btn btn-' + ( type ? 'warning' : 'primary' ) + ' btn-block" ' +
'onclick="enterConversation(\'' + conversationName + '\')">' +
conversationName +
'</button>' +
'</div>' +
'<div class="col-sm-9" style="line-height:34px">' +
'最后发送时间:' + send_time +
'</div>' +
'</div>'
);
}
function addBubble(content, send_time, read_time, msgId, conversation, page, type) {
$("#history-list").append(
'<div style=' + (type ? "margin-left:0%;margin-right:20%;" : "margin-left:20%;margin-right:0%;") + '>' +
'<div class="card border-info mb-4">' +
'<div class="card-body" style="background:#17a2b8; word-break: break-all">' +
'<div style="white-space:pre-wrap">' +
htmlspecialchars(content) +
'</div>' +
'</div>' +
'<div>' +
'<div class="row">' +
'<div class="col-sm-6">' +
'发送时间:' + send_time +
'</div>' +
'<div class="col-sm-6 text-right">' +
'查看时间:' + (read_time == null ? '<strong>未查看</strong>' : read_time) +
'</div>' +
'</div>' +
'</div>' +
'</div>' +
'</div>'
);
}
function submitMessagePost(conversationName) {
if ($('#input-message').val().length == 0 || $('#input-message').val().length >= 65536) {
$('#help-message').text('私信长度必须在1~65535之间。');
$('#form-group-message').addClass('has-error');
return;
}
$('#help-message').text('');
$('#form-group-message').removeClass('has-error');
$.post('/user/msg', {
user_msg : 1,
receiver : conversationName,
message : $('#input-message').val()
}, function(msg) {
$('#input-message').val("");
});
}
function refreshHistory(conversation, page) {
$("#history-list").empty();
var ret = false;
$('#conversation-name').text(conversation);
$('#pageShow').text("第" + page.toString() + "页");
$.get('/user/msg', {
getHistory : '',
conversationName : conversation,
pageNumber : page
}, function(msg) {
var result = JSON.parse(msg);
var cnt = 0, flag = 0, F = 0;
if (result.length == 11) flag = 1, F = 1;
result.reverse();
for (msg in result) {
if (flag) {flag = 0; continue;}
var message = result[msg];
addBubble(message[0], message[1], message[2], message[3], conversation, page, message[4]);
if ((++cnt) + 1 == result.length && F) break;
}
if (result.length == 11) ret = true;
});
return ret;
}
function refreshConversations() {
$("#conversations").empty();
$.get('/user/msg', {
getConversations : ""
}, function(msg) {
var result = JSON.parse(msg);
for (i in result) {
var conversation = result[i];
if (conversation[1] == 1) {
addButton(conversation[2], conversation[0], conversation[1]);
}
}
for (i in result) {
var conversation = result[i];
if (conversation[1] == 0) {
addButton(conversation[2], conversation[0], conversation[1]);
}
}
}
);
}
function enterConversation(conversationName) {
var slideTime = 300;
var page = 1;
$("#conversations").hide(slideTime);
var changeAble = refreshHistory(conversationName, page);
$("#history").slideDown(slideTime);
$('#form-message').unbind("submit").submit(function() {
submitMessagePost(conversationName);
page = 1;
changeAble = refreshHistory(conversationName, page);
refreshConversations();
return false;
});
$('#goBack').unbind("click").click(function() {
refreshConversations();
$("#history").slideUp(slideTime);
$("#conversations").show(slideTime);
return;
});
$('#pageLeft').unbind("click").click(function() {
if (changeAble) page++;
changeAble = refreshHistory(conversationName, page);
return false;
});
$('#pageLeft2').unbind("click").click(function() {
if (changeAble) page++;
changeAble = refreshHistory(conversationName, page);
});
$('#pageRight').unbind("click").click(function() {
if (page > 1) page--;
changeAble = refreshHistory(conversationName, page);
return false;
});
$('#pageRight2').unbind("click").click(function() {
if (page > 1) page--;
changeAble = refreshHistory(conversationName, page);
});
}
</script>
<?php echoUOJPageFooter() ?>