Gate sign-up on AllowSignup field instead of user count

handler/auth.go

@@ -51,11 +51,11 @@ type AuthHandler struct {
 	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 !h.AllowSignup {
-	if err == nil && count > 0 {
 		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 {
+func (h *AuthHandler) allowSignup() bool {
-	count, err := h.Store.UserCount()
+	return h.AllowSignup
-	return err == nil && count > 0
 }
 
 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
 		}