make "create an account" link disabled when user registration is disabled in config

pkg/middlewares/server_settings_cookie.go

@@ -0,0 +1,32 @@
+package middlewares
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/mayswind/lab/pkg/core"
+	"github.com/mayswind/lab/pkg/settings"
+)
+
+const SETTINGS_COOKIE_NAME = "ACP_SETTINGS"
+
+func ServerSettingsCookie(config *settings.Config) core.MiddlewareHandlerFunc {
+	return func(c *core.Context) {
+		settingsArr := []string{
+			buildBooleanSetting("r", config.EnableUserRegister),
+		}
+
+		bundledSettings := strings.Join(settingsArr, "_")
+		c.SetCookie(SETTINGS_COOKIE_NAME, bundledSettings, config.TokenExpiredTime, "", "", false, false)
+
+		c.Next()
+	}
+}
+
+func buildBooleanSetting(key string, value bool) string {
+	if value {
+		return fmt.Sprintf("%s.1", key)
+	} else {
+		return fmt.Sprintf("%s.0", key)
+	}
+}