gistfile1.txt

type LoginForm struct {
	utils.Flash
	Username string
	Password string
}

func (form *LoginForm) Validate() bool {
	form.Errors = make(map[string]string)

	if strings.TrimSpace(form.Password) == "" {
		form.Errors["Password"] = "Password must not be blank"
	}

	if strings.TrimSpace(form.Username) == "" {
		form.Errors["Username"] = "Username must not be blank"
	}

	else {
		user, err := models.UserByName(form.Username)

		if err != nil {
			form.Errors["Username"] = "Username does not exist"
		} else {
			if err := bcrypt.CompareHashAndPassword([]byte(user.PasswordHash), []byte(form.Password)); err != nil {
				form.Errors["Password"] = "Password is incorrect"
			}
		}
	}

	return len(form.Errors) == 0
}