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<!DOCTYPE html>
<html lang="zh-Hans">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<link rel="shortcut icon" href="../assets/images/favicon.ico" type="image/x-icon"/>
<link rel="stylesheet" href="../assets/main.css">
<title>前端晚练课</title>
</head>
<body>
<div id="app" v-cloak>
<header>
<h1 class="app-name">
<img src="../assets/images/title_exerciser-ranking-list.png" draggable="false" :alt="title">
<span>{{ stageRange.join('-') }}期</span>
</h1>
</header>
<ol class="ranking-list">
<li v-for="rank in rankings" v-if="rank.attends.length">
<div class="ranking-list-order"></div>
<div class="ranking-list-main">
<img :src="getAvatar(rank.user)">
<a :href="getGitHubPage(rank.user)" target="_blank" rel="noopener noreferrer">
{{ rank.user }}
</a>
</div>
<div class="ranking-list-count">
<a class="count-item" href="javascript:;"
:class="{active: checkActive(rank.user)}"
:title="category['stage']"
@click="showUserData($event, rank.user)"
>
<svg class="icon" aria-hidden="true">
<use xlink:href="#icon-count"></use>
</svg>
<b>{{ rank.attends.length }}</b>
</a>
<span class="count-item" :title="category.excellent">
<svg class="icon" aria-hidden="true">
<use xlink:href="#icon-excellent"></use>
</svg>
<b>{{ rank.excellentNum }}</b>
</span>
<span class="count-item" :title="category['thumbs']">
<svg class="icon" aria-hidden="true">
<use xlink:href="#icon-thumbs"></use>
</svg>
<b>{{ rank.thumbsNum }}</b>
</span>
</div>
</li>
</ol>
<div class="modal" v-show="modal.isShow"
:style="{top: modal.posY + 'px', left: modal.posX + 'px'}"
>
<div class="modal-head">
<h3 class="modal-title">{{ modal.title }}</h3>
<a class="modal-close-btn" href="javascript:;"
@click="closeModal"
>
<svg class="icon" aria-hidden="true">
<use xlink:href="#icon-close"></use>
</svg>
</a>
</div>
<div class="modal-body">
<table class="table">
<thead>
<tr>
<th>期数</th>
<th>{{ category.stage }}</th>
<th>{{ category.excellent }}</th>
<th>{{ category.thumbs }}</th>
</tr>
</thead>
<tbody>
<tr v-for="stageInfo in countStages">
<td>{{ stageInfo.idx }}</td>
<template v-if="stageInfo.data">
<td>
<i class="highlight">√</i>
</td>
<td>
<i class="highlight" v-if="stageInfo.data.excellent">√</i>
<i v-else>-</i>
</td>
<td>{{ stageInfo.data.thumbs || 0 }}</td>
</template>
<template v-else>
<td v-for="n in 3">-</td>
</template>
</tr>
</tbody>
</table>
</div>
</div>
</div>
<!-- <script src="https://cdn.jsdelivr.net/npm/vue@2.6.10/dist/vue.js" integrity="sha256-ufGElb3TnOtzl5E4c/qQnZFGP+FYEZj5kbSEdJNrw0A=" crossorigin="anonymous"></script> -->
<script src="https://cdn.jsdelivr.net/npm/vue@2.6.10/dist/vue.min.js" integrity="sha256-chlNFSVx3TdcQ2Xlw7SvnbLAavAQLO0Y/LBiWX04viY=" crossorigin="anonymous"></script>
<script src="//at.alicdn.com/t/font_1171464_4vo2bprjxsk.js"></script>
<script src="https://cdn.jsdelivr.net/npm/axios@0.18.0/dist/axios.min.js" integrity="sha256-mpnrJ5DpEZZkwkE1ZgkEQQJW/46CSEh/STrZKOB/qoM=" crossorigin="anonymous"></script>
<script src="../assets/js/multi-sort.js"></script>
<script src="../assets/js/closest.js"></script>
<script src="../assets/js/get-url-param.js"></script>
<script>
var ONE_SESSION = 100; // 一届为100期 (1 session = 100 stage)
new Vue({
el: '#app',
data: {
title: '试炼者排行榜',
category: {
stage: '参与期数',
excellent: '优秀回答',
thumbs: '点赞数'
},
session: 1, // 第几届（日常更新）
rankings: [], // 格式化后的排行数据
modal: {
isShow: false,
title: '',
data: null,
posX: 0,
posY: 0
}
},
computed: {
// 期数范围
stageRange: function() {
var start = (this.session - 1) * ONE_SESSION + 1;
var end = this.session * ONE_SESSION;
return [start, end];
},
// 统计当前用户参与场期的数据
countStages: function() {
var start = this.stageRange[0];
var details = this.modal.data;
var result = [];
if (details && details.length) {
for (var i = 0; i < ONE_SESSION; i++) {
var temp = { idx: i + start };
for (var j = 0; j < details.length; j++) {
if (details[j].stage === temp.idx) {
temp.data = details[j];
break;
}
}
result.push(temp);
}
}
return result;
}
},
created: function() {
this.session = this.verifyUrlParam('session', 1);
// 浏览器标题：xx排行榜 (m-n期) - 前端晚练课
document.title = this.title +
' (' + this.stageRange.join('-') + '期)' +
' - ' + document.title;
this.reqData(this.session) // 获取 json 数据
.catch(
// 获取不到文件时（一般由于 session 期数越界），缺省加载第一个
(function() {
this.session = 1;
this.reqData(this.session);
}).bind(this)
);
// 点击空白处关闭弹框
window.addEventListener('click', (function(e) {
var el = e.target;
if (this.modal.isShow) {
// 排除点击触发按钮和弹出框的情况
if (!el.closest('a.count-item') && !el.closest('.modal')) {
this.closeModal();
}
}
}).bind(this), false);
},
methods: {
// 拉取数据
reqData: function(sessionNum) {
var that = this;
return axios.get('session' + sessionNum + '.json?' + (+new Date()))
.then(function(res) { return res.data })
.then(function(data) {
data = data.map(function(item) {
// 参与期数
item.attendNum = item.attends.length;
// 优秀回答数量
item.excellentNum = item.attends.reduce(function(total, attend) {
return total += attend.excellent ? 1 : 0
}, 0);
// 点赞数量
item.thumbsNum = item.attends.reduce(function(total, attend) {
return total += attend.thumbs || 0
}, 0);
return item;
});
// 按优秀回答数、点赞数、参与期数多重排序（降序）
data.sort(
multiSort(['excellentNum', 'thumbsNum', 'attendNum'], true)
)
that.rankings = data;
});
},
// url 参数校验
verifyUrlParam: function(name, defValue) {
var value = getUrlParam(name);
if (name === 'session') {
if (!(value && (value | 0) === Number(value))) { // 期数不存在或非整数的期数
value = defValue;
}
}
return value;
},
// 获取用户的 github 头像
getAvatar: function(username) {
return 'https://avatars.githubusercontent.com/' + username + '?s=52&v=4';
},
// 获取用户的 github 主页地址
getGitHubPage: function(username) {
return 'https://github.com/' + username;
},
checkActive: function(username) {
return this.modal.title === username;
},
// 展示当前用户的参与场期统计数据
showUserData: function(e, username) {
var node = e.target.closest('.count-item');
var modalHt = 444;
for (var i = 0; i < this.rankings.length; i++) {
if (this.rankings[i].user === username) {
this.modal.data = this.rankings[i].attends;
break;
}
}
var pos = node.getBoundingClientRect();
var posY = pos.top + pos.height + pageYOffset;
// 溢出视区下方，则自上方弹出
if (posY + modalHt > document.documentElement.clientHeight) {
posY = pos.top - modalHt + pageYOffset;
// 上方也溢出，则下方弹出（撑出滚动条）
if (posY < 0) {
posY = pos.top + pos.height + pageYOffset
}
}
this.modal.posX = pos.left + pos.width / 2;
this.modal.posY = posY;
this.modal.title = username;
this.modal.isShow = true;
},
closeModal: function() {
this.modal.isShow = false;
this.modal.title = '';
this.modal.data = null;
}
}
});
</script>
</body>
</html>