95 lines
3.8 KiB
Python
95 lines
3.8 KiB
Python
from django.contrib.admin.options import get_content_type_for_model
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from django.conf import settings as django_settings
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from django.utils.encoding import force_text
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from django.utils.module_loading import autodiscover_modules
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from django.utils.translation import ugettext as _
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from rest_framework.routers import DefaultRouter
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from orchestra import settings
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from orchestra.utils.python import import_class
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from .helpers import insert_links
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class LogApiMixin(object):
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def create(self, request, *args, **kwargs):
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from django.contrib.admin.models import ADDITION
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response = super(LogApiMixin, self).create(request, *args, **kwargs)
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message = _('Added.')
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self.log(request, message, ADDITION, instance=self.serializer.instance)
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return response
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def perform_create(self, serializer):
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""" stores serializer for accessing instance on create() """
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super(LogApiMixin, self).perform_create(serializer)
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self.serializer = serializer
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def update(self, request, *args, **kwargs):
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from django.contrib.admin.models import CHANGE
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response = super(LogApiMixin, self).update(request, *args, **kwargs)
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message = _('Changed data')
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self.log(request, message, CHANGE)
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return response
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def partial_update(self, request, *args, **kwargs):
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from django.contrib.admin.models import CHANGE
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response = super(LogApiMixin, self).partial_update(request, *args, **kwargs)
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message = _('Changed %s') % response.data
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self.log(request, message, CHANGE)
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return response
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def destroy(self, request, *args, **kwargs):
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from django.contrib.admin.models import DELETION
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message = _('Deleted')
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self.log(request, message, DELETION)
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response = super(LogApiMixin, self).destroy(request, *args, **kwargs)
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return response
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def log(self, request, message, action, instance=None):
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from django.contrib.admin.models import LogEntry
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instance = instance or self.get_object()
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LogEntry.objects.log_action(
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user_id=request.user.pk,
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content_type_id=get_content_type_for_model(instance).pk,
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object_id=instance.pk,
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object_repr=force_text(instance),
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action_flag=action,
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change_message=message,
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)
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class LinkHeaderRouter(DefaultRouter):
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def get_api_root_view(self, api_urls=None):
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""" returns the root view, with all the linked collections """
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APIRoot = import_class(settings.ORCHESTRA_API_ROOT_VIEW)
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APIRoot.router = self
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return APIRoot.as_view()
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def register(self, prefix, viewset, base_name=None):
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""" inserts link headers on every viewset """
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if base_name is None:
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base_name = self.get_default_base_name(viewset)
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insert_links(viewset, base_name)
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self.registry.append((prefix, viewset, base_name))
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def get_viewset(self, prefix_or_model):
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for _prefix, viewset, __ in self.registry:
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if _prefix == prefix_or_model or viewset.queryset.model == prefix_or_model:
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return viewset
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msg = "%s does not have a regiestered viewset" % prefix_or_model
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raise KeyError(msg)
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def insert(self, prefix_or_model, name, field, **kwargs):
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""" Dynamically add new fields to an existing serializer """
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viewset = self.get_viewset(prefix_or_model)
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if viewset.serializer_class is None:
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viewset.serializer_class = viewset().get_serializer_class()
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viewset.serializer_class._declared_fields.update({name: field(**kwargs)})
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viewset.serializer_class.Meta.fields += (name,)
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# Create a router and register our viewsets with it.
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router = LinkHeaderRouter(trailing_slash=django_settings.APPEND_SLASH)
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autodiscover = lambda: (autodiscover_modules('api'), autodiscover_modules('serializers'))
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