在Rails中失败的自定义验证中引发错误

Question

我编写了一个自定义验证，一旦用户尝试提款超过允许的最小提款金额，就会出错。当用户的提款额低于最小允许金额但代码继续运行时，验证将失败，验证应该失败。它不像对模型字段进行常规验证那样。

validate :minimum_withdrawal_amount, on: :create
validates :amount, numericality: {greater_than: 0}

def minimum_withdrawal_amount
    if sum.nil? || sum < currency.min_withdraw_amount
      errors.add :base, -> { I18n.t('activerecord.errors.models.withdraw.amount.min_withdraw_amount', currency: currency.key, amount: currency.min_withdraw_amount ) }
    end
  end

它继续进行并验证其后的金额。如果验证失败，则会出错。我希望我的自定义验证像amount上的验证一样工作。希望我足够清楚

Answer 1

Following replacement might work for you: errors.add(:base, I18n.t('activerecord.errors.models.withdraw.amount.min_withdraw_amount', currency: currency.key, amount: currency.min_withdraw_amount ))