A JSON API Errors Serializer in Rails

The default serialization of error states in Rails might not be what you want for your app. In that case, it'd be worth knowing how to write a custom serialization format for your needs. In my case, I am trying to match the JSON API format for errors. Here's a potential implementation... JSON API Errors FormatJSON API is cool because it is a standard format for REST APIs to serialize data. It woul

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モデルのvalidationエラーカスタマイズ例。modelのvalidationでエラー返すとステータスコードが微妙になるかも。例えばuniquenessのvalidationなら409返したいし、presenceだと400返したい。この使い分けが厳しそう。