[feature] check for new release and show the version on the UI

internal/models/html.go

@@ -3,7 +3,10 @@ package models
 // HTMLData is a list of HTML fields to be rendered.
 // It is exported so that the HTML template engine can render it.
 type HTMLData struct {
-	Rows []HTMLRow
+	Rows            []HTMLRow
+	Version         string
+	UpdateAvailable bool
+	LatestVersion   string
 }
 
 // HTMLRow contains HTML fields to be rendered

internal/provider/providers/porkbun/provider.go

@@ -103,7 +103,7 @@ func (p *Provider) HTML() models.HTMLRow {
 	return models.HTMLRow{
 		Domain:    fmt.Sprintf("<a href=\"http://%s\">%s</a>", p.BuildDomainName(), p.BuildDomainName()),
 		Owner:     p.Owner(),
-		Provider:  "<a href=\"https://www.porkbun.com/\">Porkbun DNS</a>",
+		Provider:  "<a href=\"https://www.porkbun.com/\">Porkbun</a>",
 		IPVersion: p.ipVersion.String(),
 	}
 }

internal/server/index.go

@@ -12,7 +12,20 @@ func (h *handlers) index(w http.ResponseWriter, _ *http.Request) {
 		row := record.HTML(h.timeNow())
 		htmlData.Rows = append(htmlData.Rows, row)
 	}
-	err := h.indexTemplate.ExecuteTemplate(w, "index.html", htmlData)
+
+	currentVersion := getCurrentVersion()
+	latestVersion, err := getLatestRelease()
+	if err != nil {
+		httpError(w, http.StatusInternalServerError, "failed getting latest release: "+err.Error())
+		return
+	}
+	htmlData.Version = currentVersion
+	if currentVersion != latestVersion {
+		htmlData.UpdateAvailable = true
+		htmlData.LatestVersion = latestVersion
+	}
+
+	err = h.indexTemplate.ExecuteTemplate(w, "index.html", htmlData)
 	if err != nil {
 		httpError(w, http.StatusInternalServerError, "failed generating webpage: "+err.Error())
 	}

internal/server/ui/index.html

@@ -48,6 +48,8 @@
         </svg>
       </a>
     </div>
+    <div>{{.Version}} {{if .UpdateAvailable}} (Update Available: <a
+        href="https://github.com/qdm12/ddns-updater/releases/latest">{{.LatestVersion}}</a>){{end}}</div>
     <div>by <a href="https://github.com/qdm12">Quentin McGaw</a> / UI reworked by <a
         href="https://github.com/fuse314">Gottfried Mayer</a></div>
   </footer>

internal/server/version.go

@@ -0,0 +1,31 @@
+package server
+
+import (
+	"encoding/json"
+	"net/http"
+)
+
+type GitHubRelease struct {
+	TagName string `json:"tag_name"`
+}
+
+func getLatestRelease() (string, error) {
+	resp, err := http.Get("https://api.github.com/repos/qdm12/ddns-updater/releases/latest")
+	if err != nil {
+		return "", err
+	}
+	defer resp.Body.Close()
+
+	var release GitHubRelease
+	if err := json.NewDecoder(resp.Body).Decode(&release); err != nil {
+		return "", err
+	}
+
+	return release.TagName, nil
+}
+
+// Add a function to get the current version
+func getCurrentVersion() string {
+	// Replace with actual logic to get the current version
+	return "v2.9.0"
+}