Add old version update check

pkg/res/res.go

@@ -18,7 +18,7 @@ import (
 const (
 	ProjectURL      = "https://github.com/koho/frpmgr"
 	FRPProjectURL   = "https://github.com/fatedier/frp"
-	UpdateURL       = "https://api.github.com/repos/koho/frpmgr/releases/latest"
+	UpdateURL       = "https://api.github.com/repos/koho/frpmgr/releases"
 	ShareLinkScheme = "frp://"
 )
 

pkg/version/parser.go

@@ -0,0 +1,27 @@
+package version
+
+import (
+	"fmt"
+	"regexp"
+	"strconv"
+)
+
+// Parse parses a version string into its major, minor, and patch components.
+func Parse(s string) (major, minor, patch int, err error) {
+	re := regexp.MustCompile(`^v?(\d+)\.(\d+)\.(\d+)$`)
+	matches := re.FindStringSubmatch(s)
+	if matches == nil {
+		err = fmt.Errorf("invalid version string: %s", s)
+		return
+	}
+	major, err = strconv.Atoi(matches[1])
+	if err != nil {
+		return
+	}
+	minor, err = strconv.Atoi(matches[2])
+	if err != nil {
+		return
+	}
+	patch, err = strconv.Atoi(matches[3])
+	return
+}

ui/aboutpage.go

@@ -28,6 +28,7 @@ type GithubRelease struct {
 
 type aboutViewModel struct {
 	GithubRelease
+	Releases   []GithubRelease
 	Checking   bool
 	NewVersion bool
 	TabIcon    *walk.Icon
@@ -130,7 +131,8 @@ func (ap *AboutPage) checkUpdate(showErr bool) {
 			goto Fin
 		}
 		ap.viewModel.GithubRelease = GithubRelease{}
-		err = json.Unmarshal(body, &ap.viewModel.GithubRelease)
+		ap.viewModel.Releases = []GithubRelease{}
+		err = json.Unmarshal(body, &ap.viewModel.Releases)
 	Fin:
 		ap.Synchronize(func() {
 			ap.viewModel.Checking = false
@@ -141,9 +143,23 @@ func (ap *AboutPage) checkUpdate(showErr bool) {
 				}
 				return
 			}
-			if ap.viewModel.TagName != "" && ap.viewModel.TagName[1:] != version.Number {
-				ap.viewModel.NewVersion = true
-			} else {
+			major, minor, patch, err := version.Parse(version.Number)
+			if err != nil {
+				return
+			}
+			for _, v := range ap.viewModel.Releases {
+				rMajor, rMinor, rPatch, err := version.Parse(v.TagName)
+				if err != nil {
+					continue
+				}
+				// Find the latest available version
+				if rMajor == major && rMinor == minor && rPatch > patch {
+					patch = rPatch
+					ap.viewModel.NewVersion = true
+					ap.viewModel.GithubRelease = v
+				}
+			}
+			if ap.viewModel.TagName == "" {
 				ap.viewModel.NewVersion = false
 				if showErr {
 					showInfoMessage(ap.Form(), "", i18n.Sprintf("There are currently no updates available."))