Mvc6 trim all values of json model before validation (incl. strings in nested model objects)

Question

I'm using Mvc6 beta6 and model is passed in Json format. What is the recommended way to trim all values inside json model before it is validated? I also need to trim values of strings of nested objects inside the model.

Here is an example:

[HttpPut("{userId}/{id}/details")]    
public async Task<IActionResult> UpdateProfileDetails(string userId, string id, [FromBody] UserProfileDetailsModel userProfileDetailsModel)
{
  // Inside the action all (nested)values of userProfileDetailsModel should be already trimmed without the need to trim them manually based on model type
}

So provided userProfileDetailsModel has a nested object "geoLocation" : { "continent" : " EU "} the effect I'm trying to obtain is having the continent value trimmed as "EU" when reading this value inside the action.

I'm looking for a global filter or global formatter solution which does not depend on model type.

did you find a way to trim all values?

Luis Palacios
– Luis Palacios

2016-10-11 19:44:48 +00:00
Commented Oct 11, 2016 at 19:44 — Luis Palacios
– Luis Palacios, Commented Oct 11, 2016 at 19:44

Adam Tuliper · Accepted Answer · 2015-09-02 06:46:37Z

1

Try creating your own model binder Simple ModelBinder

There's a sample available as well at: Model Binding Sample WebSite

You are using [FromBody] which I believe uses input formatters and prevents model binders from running, in that case if you want to go more on the formatter route, have a look at Formatter Sample Web Site

answered Sep 2, 2015 at 6:46

Adam Tuliper

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