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rest_framework_ember 1.0.2

Make EmberJS and Django Rest Framework play nice together.

Latest Version: 1.3.2

The default Ember Data REST Adapter conventions differ from the default Django Rest Framework JSON request and response format. Instead of adding a Django specific adapter to Ember Data we use this adapter in Django to output and accept JSON in the format the Ember Data REST Adapter expects.

By default, Django REST Framework will produce a response like:

{
    "count": 20,
    "next": "http://example.com/api/1.0/identities/?page=2",
    "previous": null,
    "results": [
        {
            "id": 1,
            "username": "john",
            "full_name": "John Coltrane"
        },
        {
            ...
        }
    ]
}

However, for an identity model in EmberJS, the Ember Data REST Adapter expects a response to look like the following:

{
    "identity": [
        {
            "id": 1,
            "username": "john",
            "full_name": "John Coltrane"
        },
        {
            ...
        }
    ],
    "meta": {
        "count": 20,
        "next": 2,
        "next_link": "http://example.com/api/1.0/identities/?page=2",
        "page": 1,
        "previous": null,
        "previous_link": null
    }
}

Requirements

  1. Django
  2. Django REST Framework

Installation

From PyPI

pip install rest_framework_ember

From Source

$ git clone https://github.com/ngenworks/rest_framework_ember.git
$ cd rest_framework_ember && pip install -e .

Usage

rest_framework_ember assumes you are using class-based views in Django Rest Framework.

Settings

One can either add rest_framework_ember.parsers.EmberJSONParser and rest_framework_ember.renderers.JSONRenderer to each ViewSet class, or override settings.REST_FRAMEWORK:

REST_FRAMEWORK = {
    'PAGINATE_BY': 10,
    'PAGINATE_BY_PARAM': 'page_size',
    'MAX_PAGINATE_BY': 100,
    'DEFAULT_PAGINATION_SERIALIZER_CLASS':
        'rest_framework_ember.pagination.EmberPaginationSerializer',
    'DEFAULT_PARSER_CLASSES': (
        'rest_framework_ember.parsers.EmberJSONParser',
        'rest_framework.parsers.FormParser',
        'rest_framework.parsers.MultiPartParser'
    ),
    'DEFAULT_RENDERER_CLASSES': (
        'rest_framework_ember.renderers.JSONRenderer',
        'rest_framework.renderers.BrowsableAPIRenderer',
    ),
    'DATETIME_FORMAT': '%Y-%m-%d %H:%M:%S',
}

If PAGINATE_BY is set the renderer will return a meta object with record count and the next and previous links. Django Rest Framework looks for the page GET parameter by default allowing you to make requests for subsets of the data with this.store.find('identity', {page: 2});.

resource_name property

On resources that do not subclass rest_framework.viewsets.ModelViewSet, the resource_name property is required on the class:

class Me(generics.GenericAPIView):
    """
    Current user's identity endpoint.

    GET /me
    """
    resource_name = 'data'
    serializer_class = identity_serializers.IdentitySerializer
    allowed_methods = ['GET']
    permission_classes = (permissions.IsAuthenticated, )

Managing the trailing slash

By default Django expects a trailing slash on urls and will 301 redirect any requests lacking a trailing slash. You can change the server side by instantiating the Django REST Framework’s router like so:

router = routers.SimpleRouter(trailing_slash=False)

If you aren’t using SimpleRouter you can instead set APPEND_SLASH = False in Django’s settings.py file and modify url pattern regex to match routes without a trailing slash.

If you prefer to make the change on the client side then add an application adapter to your Ember app and override the buildURL method:

App.ApplicationAdapter = DS.RESTAdapter.extend({
  buildURL: function() {
    var url = this._super.apply(this, arguments);
    if (url.charAt(url.length -1) !== '/') {
      url += '/';
    }
    return url;
  }
});
 
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rest_framework_ember-1.0.2.tar.gz (md5, pgp) Source 2014-08-01 9KB
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