客户端预加载

+
+const Router = require('koa-router');
+const _ = require('lodash');
+const md5 = require('md5');
+const stream = require('stream');
+
+const CDNCONFIG = require('../../../config/cdn_config');
+
+
+let r = new Router();
+
+const manifestPath = 'client/precache/statics/manifest.json';
+
+const client = {
+    index: async(ctx, next) => {
+        await ctx.render('action/client-precache', {
+            manifestPath
+        });
+    },
+    save: async(ctx, next) => {
+        let files = ctx.request.body.files;
+        let lastRevision = ctx.request.body.lastRevision;
+        let trimFiles = [];
+
+        _.forEach(files, val => {
+            trimFiles.push(_.trim(val));
+        });
+
+        trimFiles = _.compact(trimFiles);
+
+        let revision = md5(trimFiles);
+
+        if (revision === lastRevision) {
+            return ctx.body = {
+                code: 400,
+                message: '请修改后再保存'
+            };
+        }
+
+        let ste = new Buffer.from(JSON.stringify({
+            files: trimFiles,
+            revision
+        }));
+
+        const bufferStream = new stream.PassThrough();
+        let readable = bufferStream.end(new Buffer.from(JSON.stringify({
+            files: trimFiles,
+            revision
+        })));
+        let config = _.cloneDeep(CDNCONFIG.main);
+
+        _.assign(config, {
+            key: manifestPath
+        });
+
+        let qnMain = require('../../../lib/qiniu')(config);
+        let upResult = await qnMain.uploadAsync(readable, {key: manifestPath});
+
+        if (upResult && upResult.url) {
+            return ctx.body = {
+                code: 200,
+                message: '修改成功',
+                data: {
+                    url: upResult.url
+                }
+            };
+        } else {
+            return ctx.body = {
+                code: 400,
+                message: '修改失败'
+            };
+        }
+    }
+}
+
+r.get('/client', client.index);
+r.post('/client/save', client.save);
+
+module.exports = r;

@@ -11,6 +11,7 @@ const monitor = require('./actions/monitor');
 const users = require('./actions/users');
 const hotfix = require('./actions/hotfix');
 const operationLog = require('./actions/operation_log');
+const clientPrecache = require('./actions/client-precache');
 const pageCache = require('./actions/page_cache');
 const cdnCache = require('./actions/cdn_cache');
 const productCache = require('./actions/product_cache');
@@ -57,6 +58,7 @@ module.exports = function(app) {
     base.use('/monitor', monitor.routes(), monitor.allowedMethods());
     base.use('/users', users.routes(), users.allowedMethods());
     // base.use('/hotfix', hotfix.routes(), hotfix.allowedMethods());
+    base.use('/precache', clientPrecache.routes(), clientPrecache.allowedMethods());
     base.use('/operation', operationLog.routes(), operationLog.allowedMethods());
     base.use('/check', checkcode.routes(), checkcode.allowedMethods());
     base.use('/page_cache', pageCache.routes(), pageCache.allowedMethods());

+<style type="text/css">
+.panel-body-container {
+    position: relative;
+    min-height: 100px;
+}
+
+.edit-area {
+    width: 100%;
+    position: absolute;
+    left: 0;
+    top: 0;
+    bottom: 0;
+}
+
+.edit-area > textarea {
+    width: 100%;
+    height: 100%;
+}
+
+.pannel-option > * {
+    margin-left: 10px;
+}
+
+.pannel-option .save,
+.pannel-option .cancle {
+    display: none;
+}
+
+.pannel-option.pannel-edit .edit {
+    display: none;
+}
+
+.pannel-option.pannel-edit .cancle,
+.pannel-option.pannel-edit .save {
+    display: inline;
+}
+
+.edit-area {
+    display: none;
+}
+</style>
+
+<div class="pageheader">
+    <div class="media">
+        <div class="pageicon pull-left">
+            <i class="fa fa-th-list"></i>
+        </div>
+        <div class="media-body">
+            <ul class="breadcrumb">
+                <li><a href="/"><i class="glyphicon glyphicon-home"></i></a></li>
+                <li><a href="/servers">Projects</a></li>
+            </ul>
+            <h4>客户端预加载清单</h4>
+        </div>
+    </div>
+    <!-- media -->
+</div>
+
+<div class="contentpanel task-panel" style="padding-bottom:0;">
+    <!-- pageheader -->
+    <div class="panel panel-default">
+        <div class="panel-heading">
+            <div class="pull-right pannel-option">
+                <a href="javascript:;" class="tooltips edit">编辑</a>
+                <a href="javascript:;" class="tooltips save">保存</a>
+                <a href="javascript:;" class="tooltips cancle">取消</a>
+            </div>
+            <h4 class="panel-title">预加载清单</h4>
+        </div>
+        <div class="panel-body">
+            <div class="panel-body-container">
+                <div id="edit-area" class="edit-area">
+                    <textarea id="textarea" class="form-control" pleaceholder="支持多条换行输入"></textarea>
+                </div>
+                <div id="static-list" class="static-list"></div>
+            </div>
+        </div>
+    </div>
+</div>
+
+<script>
+    var files = [];
+    var revision = ''
+
+    function resetManifest(list) {
+        files = list || [];
+
+        var h = '';
+
+        for (var i = 0; i < files.length; i++) {
+            h += '<p>' + files[i] + '</p>';
+        }
+
+        $('#static-list').html(h);
+    }
+
+    function getManifest(file) {
+        $.get(file + '?t=' + new Date().getTime(), function(res) {
+            if (res && res.files) {
+                resetManifest(res.files);
+                revision = res.revision;
+            };
+        });
+    }
+
+    $('.pannel-option').on('click', '.tooltips', function() {
+        var $this = $(this),
+            $par = $this.parent(),
+            $edit = $('#edit-area');
+
+        $par.toggleClass('pannel-edit');
+
+        if ($this.hasClass('save')) {
+            var _files = $('#textarea').val().split('\n');
+            $.post('/precache/client/save', {
+                files: _files,
+                lastRevision: revision
+            }, function(res) {
+                if (res.code === 200) {
+                    getManifest(res.data.url);
+                    $edit.hide();
+                } else {
+                    $par.addClass('pannel-edit');
+                    alert(res.message || '保存失败');
+                }
+            });
+        } else if ($this.hasClass('edit')) {
+            $('#textarea').val(files.join('\n'));
+            $edit.show();
+        } else {
+            $edit.hide();
+        }
+    });
+
+    getManifest('//cdn.yoho.cn/{{manifestPath}}');
+</script>

@@ -26,6 +26,10 @@ const normalMenus = [
             title: 'Memcached',
             link: '/api_cache',
             isClassic: true
+        }, {
+            title: '客户端预加载',
+            link: '/precache/client',
+            isClassic: true
         }]
     },
     {