Incomplete header data in Angular $resource GET request

Currently, I am working with Ionic 1.3 and Angular 1.5.

My goal is to retrieve some header properties from my response. The code snippet I am using looks something like this:

factory('Service', function($resource, API_SETTINGS, JsonData) {
  return $resource('/users/path', {}, {
    'fetch': {
      method: 'GET',
      headers: {
        Authorization: 'Bearer'
      },
      transformResponse: function(data, headersGetter, status) {
        if (data) {
          data = JSON.parse(data);
          return {
            data: data,
            headers: headersGetter()
          };
        }
      }
    }
  });
})

The values for the headers are as follows:

{
  cache-control: 'max-age=0, private, must-revalidate',
  content-type: 'application/json; charset=utf-8'
}

Despite having set up the 'Access-Control-Expose-Headers: X-User-Count' in both the server and within the $resource headers object, I still cannot access the X-User-Count property that I need.

I have even tried using a Chrome extension to toggle CORS, but unfortunately, it hasn't made any difference. Although I have checked multiple Stack Overflow posts on this issue, none of them seem to provide relevant solutions.

If anyone has any advice or suggestions on how to tackle this problem, I would greatly appreciate your input!

Answer №1

It appears that I forgot to add the Access-Control-Expose-Headers to my server configuration in Rails. After adding it to the resource method, everything is working as expected:

:expose => ['X-User-Count']

As a side note, the header object now includes three properties:

{
  cache-control: 'max-age=0, private, must-revalidate',
  content-type: 'application/json; charset=utf-8',
  x-user-count: 5
}

I wanted to include this information because I was unsure of the default header object structure, but it seems to be just a simple two-property object.

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