add simple / path handler

internal/handler/home.go

@@ -1,6 +1,10 @@
 package handler
 
-import "net/http"
+import (
+	"net/http"
+
+	"git.juancwu.dev/juancwu/budgit/internal/ctxkeys"
+)
 
 type homeHandler struct{}
 
@@ -8,6 +12,16 @@ func NewHomeHandler() *homeHandler {
 	return &homeHandler{}
 }
 
+// HomePage will redirect to /auth if not authenticated or to /app/dashboard if authenticated.
+func (h *homeHandler) HomePage(w http.ResponseWriter, r *http.Request) {
+	user := ctxkeys.User(r.Context())
+	if user == nil {
+		http.Redirect(w, r, "/auth", http.StatusSeeOther)
+		return
+	}
+	http.Redirect(w, r, "/app/dashboard", http.StatusSeeOther)
+}
+
 func (home *homeHandler) NotFoundPage(w http.ResponseWriter, r *http.Request) {
 	w.WriteHeader(http.StatusNotFound)
 	w.Write([]byte("404 Page Not Found"))

internal/routes/routes.go

@@ -25,6 +25,9 @@ func SetupRoutes(a *app.App) http.Handler {
 	sub, _ := fs.Sub(assets.AssetsFS, ".")
 	mux.Handle("GET /assets/", http.StripPrefix("/assets/", http.FileServer(http.FS(sub))))
 
+	// Home
+	mux.HandleFunc("GET /{$}", home.HomePage)
+
 	// Auth pages
 	authRateLimiter := middleware.RateLimitAuth()