taiga-back/greenmine/projects/milestones/api.py

40 lines
1.4 KiB
Python

# -*- coding: utf-8 -*-
from django.utils.translation import ugettext_lazy as _
from rest_framework.permissions import IsAuthenticated
from greenmine.base import filters
from greenmine.base import exceptions as exc
from greenmine.base.api import ModelCrudViewSet
from greenmine.base.notifications.api import NotificationSenderMixin
from . import serializers
from . import models
from . import permissions
class MilestoneViewSet(NotificationSenderMixin, ModelCrudViewSet):
model= models.Milestone
serializer_class = serializers.MilestoneSerializer
permission_classes = (IsAuthenticated, permissions.MilestonePermission)
filter_backends = (filters.IsProjectMemberFilterBackend,)
filter_fields = ("project",)
create_notification_template = "create_milestone_notification"
update_notification_template = "update_milestone_notification"
destroy_notification_template = "destroy_milestone_notification"
def pre_conditions_on_save(self, obj):
super().pre_conditions_on_save(obj)
if (obj.project.owner != self.request.user and
obj.project.memberships.filter(user=self.request.user).count() == 0):
raise exc.PreconditionError("You must not add a new milestone to this project.")
def pre_save(self, obj):
if not obj.id:
obj.owner = self.request.user
super().pre_save(obj)