handler.go

func ProfileFn(c *gin.Context) {
	dbc, exist := c.Get("db")
	if !exist {
		c.HTML(http.StatusOK, "index", gin.H{
			"title": "Hi! GoBlog.",
			"error": "We've got an internal error, please try later.",
		})
		return
	}
	db := dbc.(*gorm.DB)
	username := c.Param("name")
	user := models.User{}
	db.Where(&models.User{Username: username}).First(&user)
	if user.Username != "" {
		posts := [...]struct {
			Author *models.User
			Body   string
		}{
			{&user, "Test post #1"},
			{&user, "Test post #2"},
		}
		c.HTML(http.StatusOK, "profile", gin.H{
			"title": "Hi! GoBlog.",
			"user":  &user,
			"posts": posts,
		})
		return
	} else {
		c.HTML(http.StatusOK, "index", gin.H{
			"title": "Hi! GoBlog.",
			"error": "User not found",
		})
		return
	}
}