Commit 0d1923da authored by Sylvain Le Bon's avatar Sylvain Le Bon

feature: auto author (fix #12)

parent b1a63670
from django.db.models import options
options.DEFAULT_NAMES += ('rdf_type',)
options.DEFAULT_NAMES += ('rdf_type', 'auto_author')
......@@ -26,59 +26,10 @@ class NoCSRFAuthentication(SessionAuthentication):
def enforce_csrf(self, request):
return
class LDPViewSet(ModelViewSet):
model = None
fields = None
exclude = None
parent_model = None
nested_field = None
nested_related_name = None
list_actions = {'get': 'list', 'post': 'create'}
detail_actions = {'get': 'retrieve', 'put': 'update', 'patch': 'partial_update', 'delete': 'destroy'}
renderer_classes = (JSONLDRenderer, )
parser_classes = (JSONLDParser, )
authentication_classes = (NoCSRFAuthentication,)
def __init__(self, **kwargs):
super().__init__(**kwargs)
model_name = self.model._meta.object_name.lower()
lookup_field = get_resolver().reverse_dict[model_name+'-detail'][0][0][1][0]
meta_args = {'model': self.model, 'extra_kwargs': {'@id': {'lookup_field': lookup_field}}}
if self.fields:
meta_args['fields'] = self.fields
else:
meta_args['exclude'] = self.exclude or ()
meta_class = type('Meta', (), meta_args)
self.serializer_class = type(LDPSerializer)(model_name+'Serializer', (LDPSerializer,), {'Meta': meta_class})
def get_parent(self):
return self.parent_model.objects.get(id=self.kwargs[self.lookup_field])
def perform_create(self, serializer):
if self.parent_model:
serializer.validated_data[self.nested_related_name] = self.get_parent()
return super().perform_create(serializer)
def get_queryset(self, *args, **kwargs):
if self.parent_model:
return getattr(self.get_parent(), self.nested_field).all()
if self.model:
return self.model.objects.all()
else:
return super(LDPView, self).get_queryset(*args, **kwargs)
def dispatch(self, request, *args, **kwargs):
response = super(LDPViewSet, self).dispatch(request, *args, **kwargs)
response["Access-Control-Allow-Origin"] = request.META.get('HTTP_ORIGIN')
response["Access-Control-Allow-Methods"] = "POST,PUT"
response["Access-Control-Allow-Headers"] = "Content-Type, if-match"
response["Access-Control-Allow-Credentials"] = 'true'
response["Accept-Post"] = "application/ld+json"
return response
class LDPViewSetGenerator(ModelViewSet):
@classonlymethod
def get_model(cls, **kwargs):
'''gets the model in the arguments or in the viewset definition'''
model = kwargs.get('model') or cls.model
if isinstance(model, str):
model = apps.get_model(model)
......@@ -86,6 +37,7 @@ class LDPViewSet(ModelViewSet):
@classonlymethod
def get_detail_url(cls, lookup_field=None, base_url='', **kwargs):
'''builds the detail url based on the lookup_field'''
lookup_field = lookup_field or kwargs.get('lookup_field') or cls.lookup_field
if lookup_field and lookup_field != 'pk':
return r'{}(?P<{}>[\w-]+)/'.format(base_url, lookup_field)
......@@ -126,3 +78,56 @@ class LDPViewSet(ModelViewSet):
url(r'^$', cls.as_view(cls.list_actions, **kwargs), name='{}-list'.format(model_name)),
url(detail_url+'$', cls.as_view(cls.detail_actions, **kwargs), name='{}-detail'.format(model_name)),
] + cls.get_nested_urls(detail_url, model_name, **kwargs))
class LDPViewSet(LDPViewSetGenerator):
model = None
fields = None
exclude = None
parent_model = None
nested_field = None
nested_related_name = None
list_actions = {'get': 'list', 'post': 'create'}
detail_actions = {'get': 'retrieve', 'put': 'update', 'patch': 'partial_update', 'delete': 'destroy'}
renderer_classes = (JSONLDRenderer, )
parser_classes = (JSONLDParser, )
authentication_classes = (NoCSRFAuthentication,)
def __init__(self, **kwargs):
super().__init__(**kwargs)
model_name = self.model._meta.object_name.lower()
lookup_field = get_resolver().reverse_dict[model_name+'-detail'][0][0][1][0]
meta_args = {'model': self.model, 'extra_kwargs': {'@id': {'lookup_field': lookup_field}}}
if self.fields:
meta_args['fields'] = self.fields
else:
meta_args['exclude'] = self.exclude or ()
meta_class = type('Meta', (), meta_args)
self.serializer_class = type(LDPSerializer)(model_name+'Serializer', (LDPSerializer,), {'Meta': meta_class})
def get_parent(self):
return self.parent_model.objects.get(id=self.kwargs[self.lookup_field])
def perform_create(self, serializer):
create_args = {}
if self.parent_model:
create_args[self.nested_related_name] = self.get_parent()
if hasattr(self.model._meta, 'auto_author'):
create_args[self.model._meta.auto_author] = self.request.user
serializer.save(**create_args)
def get_queryset(self, *args, **kwargs):
if self.parent_model:
return getattr(self.get_parent(), self.nested_field).all()
if self.model:
return self.model.objects.all()
else:
return super(LDPView, self).get_queryset(*args, **kwargs)
def dispatch(self, request, *args, **kwargs):
response = super(LDPViewSet, self).dispatch(request, *args, **kwargs)
response["Access-Control-Allow-Origin"] = request.META.get('HTTP_ORIGIN')
response["Access-Control-Allow-Methods"] = "POST,PUT"
response["Access-Control-Allow-Headers"] = "Content-Type, if-match"
response["Access-Control-Allow-Credentials"] = 'true'
response["Accept-Post"] = "application/ld+json"
return response
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