Gate sign-up on AllowSignup field instead of user count

handler/auth.go

@@ -48,14 +48,14 @@ func (ss *SessionStore) Delete(token string) {
 // --- Handlers ---
 
 type AuthHandler struct {
-	Store    *store.Store
-	Sessions *SessionStore
-	Tpl      *Templates
+	Store       *store.Store
+	Sessions    *SessionStore
+	Tpl         *Templates
+	AllowSignup bool
 }
 
 func (h *AuthHandler) ServeSignup(w http.ResponseWriter, r *http.Request) {
-	count, err := h.Store.UserCount()
-	if err == nil && count > 0 {
+	if !h.AllowSignup {
 		http.Redirect(w, r, "/signin", http.StatusSeeOther)
 		return
 	}
@@ -97,14 +97,13 @@ func (h *AuthHandler) ServeSignup(w http.ResponseWriter, r *http.Request) {
 	}
 }
 
-func (h *AuthHandler) hasUsers() bool {
-	count, err := h.Store.UserCount()
-	return err == nil && count > 0
+func (h *AuthHandler) allowSignup() bool {
+	return h.AllowSignup
 }
 
 func (h *AuthHandler) ServeSignin(w http.ResponseWriter, r *http.Request) {
 	if r.Method == http.MethodGet {
-		h.Tpl.Render(w, "signin", map[string]any{"HasUser": h.hasUsers()})
+		h.Tpl.Render(w, "signin", map[string]any{"HasUser": h.allowSignup()})
 		return
 	}
 
@@ -114,12 +113,12 @@ func (h *AuthHandler) ServeSignin(w http.ResponseWriter, r *http.Request) {
 
 		user, err := h.Store.UserByEmail(email)
 		if err != nil {
-			h.Tpl.Render(w, "signin", map[string]any{"Error": "Invalid email or password.", "HasUser": h.hasUsers()})
+			h.Tpl.Render(w, "signin", map[string]any{"Error": "Invalid email or password.", "HasUser": h.allowSignup()})
 			return
 		}
 
 		if err := bcrypt.CompareHashAndPassword([]byte(user.PasswordHash), []byte(password)); err != nil {
-			h.Tpl.Render(w, "signin", map[string]any{"Error": "Invalid email or password.", "HasUser": h.hasUsers()})
+			h.Tpl.Render(w, "signin", map[string]any{"Error": "Invalid email or password.", "HasUser": h.allowSignup()})
 			return
 		}