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I am looking to optimize how we build forms for some of our models and ideally I would like to build them from json-schema.
Is there a gem or the like which would allow me to export a model definition to json-schema?
Bonus: With validations.
Bonus: While modelling association relationships.
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JSON (JavaScript Object Notation) is a simple and lightweight text-based data format. JSON Schema is an IETF standard providing a format for what JSON data is required for a given application and how to interact with it.
In a JSON schema, a $ref keyword is a JSON Pointer to a schema, or a type or property in a schema. A JSON pointer takes the form of A # B in which: A is the relative path from the current schema to a target schema. If A is empty, the reference is to a type or property in the same schema, an in-schema reference.
I am working on a gem that creates models based on a JSON Schema: jsonmodel
And I am also working on support for formtastic in a separate gem: jsonmodel-formtastic
Please note that both are a work in progress, but it would be nice to get feedback :-)
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Formtastic: http://github.com/justinfrench/formtastic has a mechanism for building forms from the models. Maybe you could base your code on theirs.
Check in lib/formtastic.rb line 474 or so.
Railscast for formtastic: http://railscasts.com/episodes/184-formtastic-part-1
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