rewrite using net/http

app/routes/settings.go

@@ -1,20 +1,35 @@
 package routes
 
 import (
+	"bytes"
 	"net/http"
 	"proxmoxaas-dashboard/app/common"
-
-	"github.com/gin-gonic/gin"
 )
 
-func HandleGETSettings(c *gin.Context) {
-	_, err := common.GetAuthFromRequest(c)
+func HandleGETSettings(w http.ResponseWriter, r *http.Request) {
+	auth, err := common.GetAuthFromRequest(r)
 	if err == nil {
-		c.HTML(http.StatusOK, "html/settings.html", gin.H{
+		_, err := GetUserBasic(auth)
+		if err != nil {
+			common.HandleNonFatalError(w, err)
+			return
+		}
+
+		w.Header().Set("Content-Type", "text/html")
+		body := bytes.Buffer{}
+		err = common.TMPL.ExecuteTemplate(&body, "html/settings.html", map[string]any{
 			"global": common.Global,
 			"page":   "settings",
 		})
+		if err != nil {
+			w.WriteHeader(http.StatusInternalServerError)
+			return
+		} else {
+			w.Write(body.Bytes())
+			return
+		}
 	} else {
-		c.Redirect(http.StatusFound, "/login")
+		http.Redirect(w, r, "/login", http.StatusFound)
+		return
 	}
 }