[Rails][Model] validate :if options - Qiita

[Rails][Model] validate :if options - Qiita

5 Conditional Validation Sometimes it will make sense to validate an object only when a given pre...概要を表示 5 Conditional Validation Sometimes it will make sense to validate an object only when a given predicate is satisfied. You can do that by using the :if and :unless options, which can take a symbol, a string, a Proc or an Array. You may use the :if option when you want to specify when the validation should happen. If you want to specify when the validation should not happen, then you may use the :un

• Rails
• validation
• ActiveRecord
• Model
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