77 lines
3.2 KiB
Python
77 lines
3.2 KiB
Python
# -*- coding: utf-8 -*-
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from django.utils.translation import ugettext_lazy as _
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from django.shortcuts import get_object_or_404
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from rest_framework.permissions import IsAuthenticated
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from rest_framework.decorators import detail_route
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from rest_framework.response import Response
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from greenmine.base import filters
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from greenmine.base import exceptions as exc
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from greenmine.base.api import ModelCrudViewSet
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from greenmine.base.notifications.api import NotificationSenderMixin
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from . import serializers
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from . import models
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from . import permissions
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import datetime
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class MilestoneViewSet(NotificationSenderMixin, ModelCrudViewSet):
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queryset = models.Milestone.objects.all().order_by("-estimated_start")
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serializer_class = serializers.MilestoneSerializer
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permission_classes = (IsAuthenticated, permissions.MilestonePermission)
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filter_backends = (filters.IsProjectMemberFilterBackend,)
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filter_fields = ("project",)
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create_notification_template = "create_milestone_notification"
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update_notification_template = "update_milestone_notification"
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destroy_notification_template = "destroy_milestone_notification"
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def pre_conditions_on_save(self, obj):
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super().pre_conditions_on_save(obj)
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if (obj.project.owner != self.request.user and
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obj.project.memberships.filter(user=self.request.user).count() == 0):
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raise exc.PreconditionError("You must not add a new milestone to this project.")
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def pre_save(self, obj):
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if not obj.id:
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obj.owner = self.request.user
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super().pre_save(obj)
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@detail_route(methods=['get'])
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def stats(self, request, pk=None):
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milestone = get_object_or_404(models.Milestone, pk=pk)
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total_points = milestone.total_points
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milestone_stats = {
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'name': milestone.name,
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'estimated_start': milestone.estimated_start,
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'estimated_finish': milestone.estimated_finish,
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'total_points': total_points,
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'completed_points': milestone.closed_points.values(),
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'total_userstories': milestone.user_stories.count(),
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'completed_userstories': len([us for us in milestone.user_stories.all() if us.is_closed]),
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'total_tasks': milestone.tasks.all().count(),
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'completed_tasks': milestone.tasks.all().filter(status__is_closed=True).count(),
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'days': []
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}
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current_date = milestone.estimated_start
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sumTotalPoints = sum(total_points.values())
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optimal_points = sumTotalPoints
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milestone_days = (milestone.estimated_finish - milestone.estimated_start).days
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optimal_points_per_day = sumTotalPoints / milestone_days if milestone_days else 0
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while current_date <= milestone.estimated_finish:
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milestone_stats['days'].append({
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'day': current_date,
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'name': current_date.day,
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'open_points': sumTotalPoints - sum(milestone.closed_points_by_date(current_date).values()),
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'optimal_points': optimal_points,
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})
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current_date = current_date + datetime.timedelta(days=1)
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optimal_points -= optimal_points_per_day
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return Response(milestone_stats)
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