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niclin avatar niclin commented on June 12, 2024

@afgnsu

Item.transaction do

中的 @event.save 改成 @event.save! 呢?

! 才會 raise error 出来,transaction 才會 rollback

是我的話我應該會這樣做

ActiveRecord::Base.transaction do

  if @event.subject == "plus"
    ...
  else
    ...
  end

  @event.save!
end

把他包在一個 transaction, 確保資料都是對的才 commit

from ama.

afgnsu avatar afgnsu commented on June 12, 2024

Cool,FB有位羅先生教我用以下方法也可以『Redirect_to .... and return false』:

2018-07-25_164510

2018-07-25_164255

2018-07-25_164237

from ama.

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