From e4c012cf2f83a7aa6f7338c48a84152f21186f27 Mon Sep 17 00:00:00 2001
From: marvzhang <tikazyq@163.com>
Date: Wed, 19 Feb 2020 13:16:46 +0800
Subject: [PATCH] =?UTF-8?q?=E5=8A=A0=E5=85=A5=E7=89=88=E6=9C=AC=E6=A3=80?=
 =?UTF-8?q?=E6=B5=8B?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 backend/entity/version.go                     |  23 +++
 backend/main.go                               |   3 +-
 backend/routes/version.go                     |  20 +++
 backend/services/version.go                   |  29 ++++
 frontend/src/App.vue                          |  30 +---
 .../src/views/layout/components/Navbar.vue    | 142 +++++++++++++++++-
 6 files changed, 218 insertions(+), 29 deletions(-)
 create mode 100644 backend/entity/version.go
 create mode 100644 backend/routes/version.go
 create mode 100644 backend/services/version.go

diff --git a/backend/entity/version.go b/backend/entity/version.go
new file mode 100644
index 00000000..97a0278d
--- /dev/null
+++ b/backend/entity/version.go
@@ -0,0 +1,23 @@
+package entity
+
+type Release struct {
+	Name        string `json:"name"`
+	Draft       bool   `json:"draft"`
+	PreRelease  bool   `json:"pre_release"`
+	PublishedAt string `json:"published_at"`
+	Body        string `json:"body"`
+}
+
+type ReleaseSlices []Release
+
+func (r ReleaseSlices) Len() int {
+	return len(r)
+}
+
+func (r ReleaseSlices) Less(i, j int) bool {
+	return r[i].PublishedAt < r[j].PublishedAt
+}
+
+func (r ReleaseSlices) Swap(i, j int) {
+	r[i], r[j] = r[j], r[i]
+}
diff --git a/backend/main.go b/backend/main.go
index 7e9d1369..6c00c797 100644
--- a/backend/main.go
+++ b/backend/main.go
@@ -133,7 +133,8 @@ func main() {
 			anonymousGroup.PUT("/users", routes.PutUser)      // 添加用户
 			anonymousGroup.GET("/setting", routes.GetSetting) // 获取配置信息
 			// release版本
-			anonymousGroup.GET("/version", routes.GetVersion) // 获取发布的版本
+			anonymousGroup.GET("/version", routes.GetVersion)               // 获取发布的版本
+			anonymousGroup.GET("/releases/latest", routes.GetLatestRelease) // 获取最近发布的版本
 		}
 		authGroup := app.Group("/", middlewares.AuthorizationMiddleware())
 		{
diff --git a/backend/routes/version.go b/backend/routes/version.go
new file mode 100644
index 00000000..ec3b80c7
--- /dev/null
+++ b/backend/routes/version.go
@@ -0,0 +1,20 @@
+package routes
+
+import (
+	"crawlab/services"
+	"github.com/gin-gonic/gin"
+	"net/http"
+)
+
+func GetLatestRelease(c *gin.Context) {
+	latestRelease, err := services.GetLatestRelease()
+	if err != nil {
+		HandleError(http.StatusInternalServerError, c, err)
+		return
+	}
+	c.JSON(http.StatusOK, Response{
+		Status:  "ok",
+		Message: "success",
+		Data:    latestRelease,
+	})
+}
diff --git a/backend/services/version.go b/backend/services/version.go
new file mode 100644
index 00000000..34df7b22
--- /dev/null
+++ b/backend/services/version.go
@@ -0,0 +1,29 @@
+package services
+
+import (
+	"crawlab/entity"
+	"github.com/apex/log"
+	"github.com/imroc/req"
+	"runtime/debug"
+	"sort"
+)
+
+func GetLatestRelease() (release entity.Release, err error) {
+	res, err := req.Get("https://api.github.com/repos/crawlab-team/crawlab/releases")
+	if err != nil {
+		log.Errorf(err.Error())
+		debug.PrintStack()
+		return release, err
+	}
+
+	var releaseDataList entity.ReleaseSlices
+	if err := res.ToJSON(&releaseDataList); err != nil {
+		log.Errorf(err.Error())
+		debug.PrintStack()
+		return release, err
+	}
+
+	sort.Sort(releaseDataList)
+
+	return releaseDataList[len(releaseDataList)-1], nil
+}
diff --git a/frontend/src/App.vue b/frontend/src/App.vue
index ec60d28b..d66691c4 100644
--- a/frontend/src/App.vue
+++ b/frontend/src/App.vue
@@ -35,33 +35,6 @@ export default {
   },
   methods: {},
   async mounted () {
-    // window.setUseStats = (value) => {
-    //   document.querySelector('.el-message__closeBtn').click()
-    //   if (value === 1) {
-    //     this.$st.sendPv('/allow_stats')
-    //     this.$st.sendEv('全局', '允许/禁止统计', '允许')
-    //   } else {
-    //     this.$st.sendPv('/disallow_stats')
-    //     this.$st.sendEv('全局', '允许/禁止统计', '禁止')
-    //   }
-    //   localStorage.setItem('useStats', value)
-    // }
-
-    // first-time user
-    // if (this.useStats === undefined || this.useStats === null) {
-    // this.$message({
-    //   type: 'info',
-    //   dangerouslyUseHTMLString: true,
-    //   showClose: true,
-    //   duration: 0,
-    //   message: '<p>' + this.$t('Do you allow us to collect some statistics to improve Crawlab?') + '</p>' +
-    //     '<div style="text-align: center;margin-top: 10px;">' +
-    //     '<button class="message-btn" onclick="setUseStats(1)">' + this.$t('Yes') + '</button>' +
-    //     '<button class="message-btn" onclick="setUseStats(0)">' + this.$t('No') + '</button>' +
-    //     '</div>'
-    // })
-    // }
-
     // set uid if first visit
     if (this.uid === undefined || this.uid === null) {
       localStorage.setItem('uid', this.$utils.encrypt.UUID())
@@ -71,6 +44,9 @@ export default {
     if (this.sid === undefined || this.sid === null) {
       sessionStorage.setItem('sid', this.$utils.encrypt.UUID())
     }
+
+    // get latest version
+    await this.$store.dispatch('version/getLatestRelease')
   }
 }
 </script>
diff --git a/frontend/src/views/layout/components/Navbar.vue b/frontend/src/views/layout/components/Navbar.vue
index 10c98427..72555bd7 100644
--- a/frontend/src/views/layout/components/Navbar.vue
+++ b/frontend/src/views/layout/components/Navbar.vue
@@ -1,5 +1,27 @@
 <template>
   <div class="navbar">
+    <el-dialog
+      :visible.sync="isLatestReleaseNoteVisible"
+      :title="$t('Release') + ` ${latestRelease.name}`"
+    >
+      <el-tabs v-model="activeTabName">
+        <el-tab-pane :label="$t('Release Note')" name="release-note">
+          <div class="content markdown-body" v-html="latestReleaseNoteHtml">
+          </div>
+          <template slot="footer">
+            <el-button type="primary" size="small" @click="isLatestReleaseNoteVisible = false">{{$t('Ok')}}</el-button>
+          </template>
+        </el-tab-pane>
+        <el-tab-pane :label="$t('How to Upgrade')" name="how-to-upgrade">
+          <div class="content markdown-body" v-html="howToUpgradeHtml">
+          </div>
+        </el-tab-pane>
+      </el-tabs>
+      <template slot="footer">
+        <el-button type="primary" size="small" @click="isLatestReleaseNoteVisible = false">{{$t('Ok')}}</el-button>
+      </template>
+    </el-dialog>
+
     <hamburger :toggle-click="toggleSideBar" :is-active="sidebar.opened" class="hamburger-container"/>
     <breadcrumb class="breadcrumb"/>
     <el-dropdown class="avatar-container right" trigger="click">
@@ -33,6 +55,12 @@
         <span style="margin-left: 5px;">{{$t('Documentation')}}</span>
       </a>
     </div>
+    <div v-if="isUpgradable" class="upgrade right" @click="onClickUpgrade">
+      <font-awesome-icon :icon="['fas', 'arrow-up']"/>
+      <el-badge is-dot>
+        <span style="margin-left: 5px;">{{$t('Upgrade')}}</span>
+      </el-badge>
+    </div>
     <div class="github right">
       <!-- Place this tag where you want the button to render. -->
       <github-button
@@ -50,10 +78,15 @@
 </template>
 
 <script>
-import { mapGetters } from 'vuex'
+import {
+  mapState,
+  mapGetters
+} from 'vuex'
 import Breadcrumb from '@/components/Breadcrumb'
 import Hamburger from '@/components/Hamburger'
 import GithubButton from 'vue-github-button'
+import showdown from 'showdown'
+import 'github-markdown-css/github-markdown.css'
 
 export default {
   components: {
@@ -61,7 +94,58 @@ export default {
     Hamburger,
     GithubButton
   },
+  data () {
+    const converter = new showdown.Converter()
+    return {
+      isLatestReleaseNoteVisible: false,
+      converter,
+      activeTabName: 'release-note',
+      howToUpgradeHtmlZh: `
+### Docker 部署
+\`\`\`bash
+# 拉取最新镜像
+docker pull tikazyq/crawlab:latest
+
+# 删除容器
+docker-compose down | true
+
+# 启动容器
+docker-compose up -d
+\`\`\`
+
+### 直接部署
+
+1. 拉取最新 Github 代码
+2. 重新构建前后端应用
+3. 启动前后端应用
+`,
+      howToUpgradeHtmlEn: `
+### Docker Deployment
+\`\`\`bash
+# pull the latest image
+docker pull tikazyq/crawlab:latest
+
+# delete containers
+docker-compose down | true
+
+# start containers
+docker-compose up -d
+\`\`\`
+
+### Direct Deployment
+1. Pull the latest Github repository
+2. Build frontend and backend applications
+3. Start frontend and backend applications
+`
+    }
+  },
   computed: {
+    ...mapState('version', [
+      'latestRelease'
+    ]),
+    ...mapState('lang', [
+      'lang'
+    ]),
     ...mapGetters([
       'sidebar',
       'avatar'
@@ -70,6 +154,39 @@ export default {
       if (!this.$store.getters['user/userInfo']) return this.$t('User')
       if (!this.$store.getters['user/userInfo'].username) return this.$t('User')
       return this.$store.getters['user/userInfo'].username
+    },
+    isUpgradable () {
+      if (!this.latestRelease.name) return false
+
+      const currentVersion = sessionStorage.getItem('v')
+      const latestVersion = this.latestRelease.name.replace('v', '')
+
+      if (!latestVersion || !currentVersion) return false
+
+      const currentVersionList = currentVersion.split('.')
+      const latestVersionList = latestVersion.split('.')
+      for (let i = 0; i < currentVersionList.length; i++) {
+        let nc = Number(currentVersionList[i])
+        let nl = Number(latestVersionList[i])
+        if (isNaN(nl)) nl = 0
+        if (nc < nl) return true
+      }
+      return false
+    },
+    latestReleaseNoteHtml () {
+      if (!this.latestRelease.body) return ''
+      const body = this.latestRelease.body
+      return this.converter.makeHtml(body)
+    },
+    howToUpgradeHtml () {
+      if (this.lang === 'zh') {
+        console.log(this.howToUpgradeHtmlZh)
+        return this.converter.makeHtml(this.howToUpgradeHtmlZh)
+      } else if (this.lang === 'en') {
+        return this.converter.makeHtml(this.howToUpgradeHtmlEn)
+      } else {
+        return ''
+      }
     }
   },
   methods: {
@@ -86,6 +203,10 @@ export default {
       this.$store.commit('lang/SET_LANG', lang)
 
       this.$st.sendEv('全局', '切换中英文', lang)
+    },
+    onClickUpgrade () {
+      this.isLatestReleaseNoteVisible = true
+      this.$st.sendEv('全局', '点击版本升级')
     }
   }
 }
@@ -132,6 +253,7 @@ export default {
       margin-right: 35px;
       color: #606266;
       font-size: 14px;
+
       .span {
         margin-left: 5px;
       }
@@ -143,8 +265,26 @@ export default {
       margin-top: -10px;
     }
 
+    .upgrade {
+      margin-top: 12.5px;
+      line-height: 25px;
+      cursor: pointer;
+      font-size: 14px;
+      color: #606266;
+      margin-right: 35px;
+
+      .span {
+        margin-left: 5px;
+      }
+    }
+
     .right {
       float: right
     }
   }
 </style>
+<style scoped>
+  .navbar >>> .el-dialog__body {
+    padding-top: 0;
+  }
+</style>