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ruby rails 入力チェック
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| #app/models/product.rb | |
| #必須入力チェック | |
| validates :description, :image_url, :price, :title , presence: true | |
| #数値属性チェック | |
| validates :price , numericality: {greater_than_of_equal_to: 0.01} | |
| #重複チェック | |
| validates :title, uniqueness: true |
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