Scope Angularjs $resource parameters to HTTP Hash

Question

By default, Angular's $resource.$save method sends a request with parameters in the "base" scope. For example, creating resource with properties {name: 'John Smith', email: '[email protected]'} will result in a POST with parameters:

name=John Smith&[email protected].

However, I have a Rails controller that needs the resource scoped to a sub-hash (more like the normal railsy way of doing things). I would want that same create request to have parameters:

user[name]=John Smith&user[email][email protected]

The problem is, I just don't see a way to do this using $resource. Is it possible?

Paul Fletcher-Hill · Accepted Answer · 2015-02-20 14:56:35Z

1

This can be accomplished by using $resource's transformRequest option. Below is an example using the update action (written in coffeescript):

update:
  method: 'PUT'
  transformRequest: (data, headersGetter) ->
    data = _.omit(data, '$promise', '$resolved')
    json = {'user': data}
    return JSON.stringify(json)

If you want to do this by default, I recommend writing a service that wraps $resource and adds the transformRequest functions to all actions.

answered Feb 20, 2015 at 14:56

Paul Fletcher-Hill

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