class CursorPaginatedListSerializer(serializers.ListSerializer):
def __init__(self,
queryset,
request,
ordering='updated_at',
*args,
**kwargs):
self.paginator = BadgrCursorPagination(ordering=ordering)
self.page = self.paginator.paginate_queryset(queryset, request)
super(CursorPaginatedListSerializer, self).__init__(data=self.page,
*args,
**kwargs)
def to_representation(self, data):
representation = super(CursorPaginatedListSerializer,
self).to_representation(data)
envelope = BaseSerializerV2.response_envelope(result=representation,
success=True,
description='ok')
envelope['pagination'] = self.paginator.get_page_info()
return envelope
@property
def data(self):
return super(serializers.ListSerializer, self).data
def __init__(self,
queryset,
request,
ordering='updated_at',
*args,
**kwargs):
self.paginator = BadgrCursorPagination(ordering=ordering)
self.page = self.paginator.paginate_queryset(queryset, request)
super(CursorPaginatedListSerializer, self).__init__(data=self.page,
*args,
**kwargs)
def get_objects(self, request, **kwargs):
queryset = self.get_queryset(request=request, **kwargs)
per_page = self.get_page_size(request)
# only paginate on request
if per_page:
self.paginator = BadgrCursorPagination(ordering=self.get_ordering(), page_size=per_page)
page = self.paginator.paginate_queryset(queryset, request=request)
else:
page = list(queryset)
return page
class UncachedPaginatedViewMixin(object):
min_per_page = 1
max_per_page = 500
default_per_page = None # dont paginate by default
per_page_query_parameter_name = 'num'
ordering = "-created_at"
def get_ordering(self):
return self.ordering
def get_queryset(self, request, **kwargs):
raise NotImplementedError
def get_objects(self, request, **kwargs):
queryset = self.get_queryset(request=request, **kwargs)
try:
per_page = int(
request.query_params.get(self.per_page_query_parameter_name,
self.default_per_page))
per_page = max(self.min_per_page, per_page)
per_page = min(self.max_per_page, per_page)
except (TypeError, ValueError):
per_page = None
# only paginate on request
if per_page:
self.paginator = BadgrCursorPagination(
ordering=self.get_ordering(), page_size=per_page)
page = self.paginator.paginate_queryset(queryset, request=request)
else:
page = list(queryset)
return page
class UncachedPaginatedViewMixin(object):
min_per_page = 1
max_per_page = 500
default_per_page = None # dont paginate by default
per_page_query_parameter_name = 'num'
ordering = "-created_at"
def get_ordering(self):
return self.ordering
def get_queryset(self, request, **kwargs):
raise NotImplementedError
def get_objects(self, request, **kwargs):
queryset = self.get_queryset(request=request, **kwargs)
try:
per_page = int(request.query_params.get(self.per_page_query_parameter_name, self.default_per_page))
per_page = max(self.min_per_page, per_page)
per_page = min(self.max_per_page, per_page)
except (TypeError, ValueError):
per_page = None
# only paginate on request
if per_page:
self.paginator = BadgrCursorPagination(ordering=self.get_ordering(), page_size=per_page)
page = self.paginator.paginate_queryset(queryset, request=request)
else:
page = list(queryset)
return page
class CursorPaginatedListSerializer(serializers.ListSerializer):
def __init__(self, queryset, request, *args, **kwargs):
self.paginator = BadgrCursorPagination()
self.page = self.paginator.paginate_queryset(queryset, request)
super(CursorPaginatedListSerializer, self).__init__(data=self.page, *args, **kwargs)
def to_representation(self, data):
representation = super(CursorPaginatedListSerializer, self).to_representation(data)
envelope = BaseSerializerV2.response_envelope(result=representation,
success=True,
description='ok')
envelope['pagination'] = self.paginator.get_page_info()
return envelope
@property
def data(self):
return super(serializers.ListSerializer, self).data
def get_objects(self, request, **kwargs):
queryset = self.get_queryset(request=request, **kwargs)
try:
per_page = int(
request.query_params.get(self.per_page_query_parameter_name,
self.default_per_page))
per_page = max(self.min_per_page, per_page)
per_page = min(self.max_per_page, per_page)
except (TypeError, ValueError):
per_page = None
# only paginate on request
if per_page:
self.paginator = BadgrCursorPagination(
ordering=self.get_ordering(), page_size=per_page)
page = self.paginator.paginate_queryset(queryset, request=request)
else:
page = list(queryset)
return page
def get_objects(self, request, **kwargs):
queryset = self.get_queryset(request=request, **kwargs)
try:
per_page = int(request.query_params.get(self.per_page_query_parameter_name, self.default_per_page))
per_page = max(self.min_per_page, per_page)
per_page = min(self.max_per_page, per_page)
except (TypeError, ValueError):
per_page = None
# only paginate on request
if per_page:
self.paginator = BadgrCursorPagination(ordering=self.get_ordering(), page_size=per_page)
page = self.paginator.paginate_queryset(queryset, request=request)
else:
page = list(queryset)
return page
def __init__(self, queryset, request, *args, **kwargs):
self.paginator = BadgrCursorPagination()
self.page = self.paginator.paginate_queryset(queryset, request)
super(CursorPaginatedListSerializer, self).__init__(data=self.page, *args, **kwargs)