增加自动检查系统更新设置

internal/tasks/task_check_updates.go

@@ -0,0 +1,104 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package tasks
+
+import (
+	"encoding/json"
+	"errors"
+	teaconst "github.com/TeaOSLab/EdgeAdmin/internal/const"
+	"github.com/TeaOSLab/EdgeAdmin/internal/events"
+	"github.com/TeaOSLab/EdgeAdmin/internal/goman"
+	"github.com/iwind/TeaGo/logs"
+	"github.com/iwind/TeaGo/maps"
+	stringutil "github.com/iwind/TeaGo/utils/string"
+	"io/ioutil"
+	"net/http"
+	"runtime"
+	"strings"
+	"time"
+)
+
+func init() {
+	events.On(events.EventStart, func() {
+		var task = NewCheckUpdatesTask()
+		goman.New(func() {
+			task.Start()
+		})
+	})
+}
+
+type CheckUpdatesTask struct {
+	ticker *time.Ticker
+}
+
+func NewCheckUpdatesTask() *CheckUpdatesTask {
+	return &CheckUpdatesTask{}
+}
+
+func (this *CheckUpdatesTask) Start() {
+	this.ticker = time.NewTicker(12 * time.Hour)
+	for range this.ticker.C {
+		err := this.Loop()
+		if err != nil {
+			logs.Println("[TASK][CHECK_UPDATES_TASK]" + err.Error())
+		}
+	}
+}
+
+func (this *CheckUpdatesTask) Loop() error {
+	type Response struct {
+		Code    int         `json:"code"`
+		Message string      `json:"message"`
+		Data    interface{} `json:"data"`
+	}
+
+	// 目前支持Linux
+	if runtime.GOOS != "linux" {
+		return nil
+	}
+
+	var apiURL = teaconst.UpdatesURL
+	apiURL = strings.ReplaceAll(apiURL, "${os}", runtime.GOOS)
+	apiURL = strings.ReplaceAll(apiURL, "${arch}", runtime.GOARCH)
+	resp, err := http.Get(apiURL)
+	if err != nil {
+		return errors.New("read api failed: " + err.Error())
+	}
+
+	defer func() {
+		_ = resp.Body.Close()
+	}()
+	data, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return errors.New("read api failed: " + err.Error())
+	}
+
+	var apiResponse = &Response{}
+	err = json.Unmarshal(data, apiResponse)
+	if err != nil {
+		return errors.New("decode version data failed: " + err.Error())
+	}
+
+	if apiResponse.Code != 200 {
+		return errors.New("invalid response: " + apiResponse.Message)
+	}
+
+	var m = maps.NewMap(apiResponse.Data)
+	var dlHost = m.GetString("host")
+	var versions = m.GetSlice("versions")
+	if len(versions) > 0 {
+		for _, version := range versions {
+			var vMap = maps.NewMap(version)
+			if vMap.GetString("code") == "admin" {
+				var latestVersion = vMap.GetString("version")
+				if stringutil.VersionCompare(teaconst.Version, latestVersion) < 0 {
+					teaconst.NewVersionCode = latestVersion
+					teaconst.NewVersionDownloadURL = dlHost + vMap.GetString("url")
+					return nil
+				}
+			}
+		}
+	}
+
+	return nil
+}