What is the best way to override Loopback validation?

[Alberto Leal]

Hi guys,

we've been working on a project which adds jsonschema support to loopback -- check this out at http://github.com/globocom/loopback-jsonschema. 

And, at this moment, we're trying to add support to validations(https://github.com/natesilva/jayschema). I was thinking to use any kind of hook, such as beforeValidate or afterValidate, to call a custom class responsible to validate the data sent.

Taking a look at the Loopback internals, I could return an instance of ValidationError: 

callback(new ValidationError(obj), obj);

so, I don't need to handle the output. Loopback does it already for me.

But, it seems I don't have access to any callback inside the hooks. What do you suggest us to do in this scenario?

thanks a lot,

Alberto

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Alberto Leal
@albertoleal

[Psi]

Hi Alberto,

i came up with this solution:

https://github.com/psi-4ward/anguloop-example/blob/master/packages/socket-test/loopback/boot/100-jsonschema-validator.js

https://github.com/psi-4ward/anguloop-example/blob/master/packages/socket-test/loopback/models/car.json

I looked into your module, interesting idea but if i have dynamic Models i would need some dynamic frontend-generation too.

[Steeve Fong]

Hi Psi,

Github links are dead. Do you have another link for as example?

Thanks,

Steeve

[Christoph]

Try:
https://github.com/psi-4ward/anguloop-example/blob/master/packages/anguloop/loopback/boot/100-jsonschema-validator.js

https://github.com/psi-4ward/anguloop-example/blob/master/packages/cars/loopback/models/car.json

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