go_blog/handlers/helpers.go

package handlers

import (
	"github.com/gin-gonic/gin"
)

// DefaultData builds a base gin.H map populated with values set by the
// SetUserContext middleware (translations, language, auth state). Handlers
// add page-specific fields on top and pass it to c.HTML().
func DefaultData(c *gin.Context) gin.H {
	tr, _ := c.Get("tr")
	isLoggedIn, _ := c.Get("is_logged_in")
	username, _ := c.Get("username")
	lang, _ := c.Get("lang")
	switchLang, _ := c.Get("switch_lang")
	avatar, _ := c.Get("avatar")
	displayName, _ := c.Get("display_name")
	role, _ := c.Get("role")

	return gin.H{
		"Tr":          tr,
		"IsLoggedIn":  isLoggedIn,
		"Username":    username,
		"Lang":        lang,
		"SwitchLang":  switchLang,
		"Avatar":      avatar,
		"DisplayName": displayName,
		"Role":        role,
	}
}

// getTr is a convenience helper that returns the translation map from the
// Gin context, falling back to an empty map if not set.
func getTr(c *gin.Context) map[string]string {
	tr, ok := c.Get("tr")
	if !ok {
		return map[string]string{}
	}
	m, ok := tr.(map[string]string)
	if !ok {
		return map[string]string{}
	}
	return m
}