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'''
Created on Jun 19, 2011
@author: leifj
'''
from tastypie.resources import ModelResource
from coip.apps.opensocial.serializer import OpenSocialSerializer
from django.conf.urls.defaults import url
from coip.apps.membership.models import Membership
from tastypie.fields import ToOneField
from tastypie.utils.urls import trailing_slash
from django.core.exceptions import ObjectDoesNotExist, MultipleObjectsReturned
from tastypie.http import HttpGone, HttpMultipleChoices
from coip.apps.name.models import Name
from tastypie.constants import ALL_WITH_RELATIONS
from django.shortcuts import get_object_or_404
import logging
from pprint import pformat
from tastypie.bundle import Bundle
from coip.apps.user.models import Identifier
_rekey = {
'objects': 'entry'
}
class OpenSocialResource(ModelResource):
def _restructure(self,request,data,depth):
if isinstance(data, (list,tuple)):
for v in data:
self._restructure(request,v,depth+1)
elif isinstance(data,dict):
for (key,value) in data.iteritems():
nkey = key
if _rekey.has_key(key):
nkey = _rekey[key]
data[nkey] = self._restructure(request,data.pop(key),depth+1)
if data.has_key('meta') and depth == 1:
meta = data.pop('meta')
if request.GET.has_key('count'):
data['totalResults'] = meta['total_count']
data['itemsPerPage'] = meta['limit']
data['startIndex'] = meta['offset']
elif isinstance(data,Bundle):
pass
return data
def alter_list_data_to_serialize(self,request,data):
return self._restructure(request,{'response':data},0)
def alter_detail_data_to_serialize(self,request,data):
return self._restructure(request,{'response': data},0)
class GroupResource(OpenSocialResource):
class Meta:
queryset = Name.objects.all()
serializer = OpenSocialSerializer()
resource_name = 'groups'
fields = ['short','description','id']
def override_urls(self):
return [
url(r"^(?P<resource_name>%s)/(?P<username>[\@\w\d_.-:]+)/(?P<group_name_id>[\d]+)%s?" % (self._meta.resource_name,trailing_slash()),
self.wrap_view('list_memberships'), name="api_list_memberships"),
url(r"^(?P<resource_name>%s)/(?P<username>[\@\w\d_.-:]+)%s" % (self._meta.resource_name,trailing_slash()),
self.wrap_view('list_memberships'), name="api_list_memberships"),
url(r"^(?P<resource_name>%s)%s" % (self._meta.resource_name,trailing_slash()),
self.wrap_view('list_memberships'), name="api_list_memberships"),
]
def list_memberships(self, request, **kwargs):
logging.debug(pformat(kwargs))
try:
user = self.cached_obj_get(request=request, username=kwargs['username'])
logging.debug(pformat(user))
except ObjectDoesNotExist:
return HttpGone()
except MultipleObjectsReturned:
return HttpMultipleChoices("More than one resource is found at this URI.")
group_resource = GroupResource()
if kwargs.has_key('name_id'):
name_id = kwargs.pop('name_id')
return group_resource.get_list(request=request, pk=name_id)
else:
return
def dispatch(self, request_type, request, **kwargs):
if kwargs.has_key('username') and kwargs['username'] == '@me':
kwargs['username'] = request.user.username
return super(GroupResource, self).dispatch(request_type, request, **kwargs)
class MembershipResource(OpenSocialResource):
user = ToOneField("coip.apps.opensocial.people.PersonResource",'user',full=True)
name = ToOneField("coip.apps.opensocial.people.GroupResource",'name',full=False)
class Meta:
queryset = Membership.objects.all()
serializer = OpenSocialSerializer()
resource_name = 'membership'
fields = ['user','name']
filtering = {
'name': ALL_WITH_RELATIONS
}
def dehydrate(self,bundle):
bundle = super(MembershipResource,self).dehydrate(bundle)
del bundle.data['resource_uri']
logging.debug(pformat(bundle))
return bundle
class PersonResource(OpenSocialResource):
#memberships = ToManyField(MembershipResource,'memberships',full=True)
class Meta:
queryset = Identifier.objects.filter(type=Identifier.FEDERATION)
fields = ['value']
resource_name = 'people'
serializer = OpenSocialSerializer()
def override_urls(self):
return [
url(r"^(?P<resource_name>%s)/(?P<username>[\@\w\d_.-:]+)/(?P<name_id>[\d]+)%s?" % (self._meta.resource_name,trailing_slash()),
self.wrap_view('list_memberships'), name="api_list_memberships"),
url(r"^(?P<resource_name>%s)/(?P<username>[\@\w\d_.-:]+)(?:/\@self)?%s" % (self._meta.resource_name,trailing_slash()),
self.wrap_view('dispatch_detail'), name="api_dispatch_detail"),
]
def list_memberships(self, request, **kwargs):
logging.debug(pformat(kwargs))
try:
id = self.cached_obj_get(request=request, value=kwargs['username'])
logging.debug(pformat(id))
except ObjectDoesNotExist:
return HttpGone()
except MultipleObjectsReturned:
return HttpMultipleChoices("More than one resource is found at this URI.")
people_resource = PersonResource()
name_id = kwargs.pop('name_id')
name = get_object_or_404(Name,id=name_id)
return people_resource.get_list(request=request, memberships__name=name)
def dispatch(self, request_type, request, **kwargs):
if kwargs.has_key('username') and kwargs['username'] == '@me':
kwargs['username'] = request.user.username
return super(PersonResource, self).dispatch(request_type, request, **kwargs)
def dehydrate(self,bundle):
bundle = super(PersonResource,self).dehydrate(bundle)
bundle.data['id'] = bundle.data['value']
bundle.data['displayName'] = bundle.data['display_name']
del bundle.data['resource_uri']
del bundle.data['value']
return bundle
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