new version update send to frontend

Author: Piotr

http/client_handlers.go

@@ -47,6 +47,8 @@ func handleStatus(config *Config) func(w http.ResponseWriter, r *http.Request) {
 			configStr = utils.LoadFile(config.ConfigFilePath)
 		}
 
+		newVersion, _ := utils.IsNewVersionAvailable()
+
 		initMsg, _ := json.Marshal(models.InitMessage{
 			BaseMessage: models.BaseMessage{
 				MessageType: models.MessageTypeInit,
@@ -55,6 +57,7 @@ func handleStatus(config *Config) func(w http.ResponseWriter, r *http.Request) {
 			AuthRequired:     config.UiPass != "",
 			ConfigStr:        configStr,
 			ApiPrefix:        config.HttpPathPrefix,
+			UpdateVersion:    newVersion,
 		})
 
 		w.Header().Add("content-type", "application/json")

models/message.go

@@ -1,6 +1,8 @@
 package models
 
-import "encoding/json"
+import (
+	"encoding/json"
+)
 
 type LogType int
 
@@ -51,10 +53,21 @@ type ClientMsgStatus struct {
 	Stats  Stats       `json:"stats"`
 }
 
+type LogdyVersionUpdateResponse struct {
+	Checked                   bool   `json:"checked"` // whether the new version was checked
+	LocalVersion              string `json:"local_version"`
+	CurrentVersion            string `json:"current_version"`
+	CurrentVersionPublishedAt string `json:"current_version_published"`
+	DownloadLink              string `json:"download_link"`
+	BlogLink                  string `json:"blog_link"`
+	Excerpt                   string `json:"excerpt"`
+}
+
 type InitMessage struct {
 	BaseMessage
-	AnalyticsEnabled bool   `json:"analyticsEnabled"`
-	AuthRequired     bool   `json:"authRequired"`
-	ConfigStr        string `json:"configStr"`
-	ApiPrefix        string `json:"apiPrefix"`
+	AnalyticsEnabled bool                       `json:"analyticsEnabled"`
+	AuthRequired     bool                       `json:"authRequired"`
+	ConfigStr        string                     `json:"configStr"`
+	ApiPrefix        string                     `json:"apiPrefix"`
+	UpdateVersion    LogdyVersionUpdateResponse `json:"updateVersion"`
 }

utils/update.go

@@ -6,6 +6,7 @@ import (
 	"net/http"
 	"runtime"
 
+	"github.com/logdyhq/logdy-core/models"
 	"github.com/sirupsen/logrus"
 )
 
@@ -18,16 +19,8 @@ import (
 	    };
 */
 
-type UpdateResponse struct {
-	CurrentVersion            string `json:"current_version"`
-	CurrentVersionPublishedAt string `json:"current_version_published"`
-	DownloadLink              string `json:"download_link"`
-	BlogLink                  string `json:"blog_link"`
-	Excerpt                   string `json:"excerpt"`
-}
-
-func checkUpdates(version string) (UpdateResponse, error) {
-	update := UpdateResponse{}
+func checkUpdates(version string) (models.LogdyVersionUpdateResponse, error) {
+	update := models.LogdyVersionUpdateResponse{}
 	resp, err := http.Get("https://update.logdy.dev?version=" + version)
 	if err != nil {
 		return update, err
@@ -59,7 +52,16 @@ func init() {
 	}
 }
 
+var UpdateVersionChecked = false
+var UpdateVersion models.LogdyVersionUpdateResponse
+
+func IsNewVersionAvailable() (models.LogdyVersionUpdateResponse, bool) {
+	return UpdateVersion, UpdateVersionChecked
+}
+
 func CheckUpdatesAndPrintInfo(currentVersion string) {
+	UpdateVersionChecked = true
+
 	update, err := checkUpdates(currentVersion)
 
 	if err != nil {
@@ -99,6 +101,10 @@ func CheckUpdatesAndPrintInfo(currentVersion string) {
 		return
 	}
 
+	UpdateVersion = update
+	UpdateVersion.Checked = true
+	UpdateVersion.LocalVersion = currentVersion
+
 	Logger.WithFields(logrus.Fields{
 		"response":        update,
 		"current_version": currentVersion,