display the projects field if it was a ``detail`` response

resources.py

from tastypie import fields
from tastypie.resources import ModelResource
from company.models import Company

class CompanyResource(ModelResource):
    """
    Tastypie resource for Company
    """

    class Meta:
        queryset = Company.objects.all()
        resource_name = 'companies'
        additional_detail_fields = {'projects': fields.ToManyField('api.resources.ProjectResource', 'projects',full=True)}

    def dehydrate(self, bundle):
        # detect if detail
        if self.get_resource_uri(bundle) == bundle.request.path:
            # detail detected, include additional fields
            bundle = self.extra_dehydrate(bundle, self._meta.additional_detail_fields)

        return bundle

    # extra_dehydrate is basically full_dehydrate
    # except we'll loop over the additional_detail_fields
    # and we won't want to do the dehydrate(bundle) at the end
    def extra_dehydrate(self, bundle, fields=None):
        """
        Given a bundle with an object instance, extract the information from it
        to populate the resource.
        """
        # Dehydrate each field.
        # loop over additional_detail_fields instead
        #for field_name, field_object in self.fields.items():
        for field_name, field_object in fields.items():
            # A touch leaky but it makes URI resolution work.
            if getattr(field_object, 'dehydrated_type', None) == 'related':
                field_object.api_name = self._meta.api_name
                field_object.resource_name = self._meta.resource_name

            bundle.data[field_name] = field_object.dehydrate(bundle)

            # Check for an optional method to do further dehydration.
            method = getattr(self, "dehydrate_%s" % field_name, None)

            if method:
                bundle.data[field_name] = method(bundle)

        # dehydrating the bundle will create an infinite loop
        #bundle = self.dehydrate(bundle)