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Working on backlog stats api

remotes/origin/enhancement/email-actions
Jesús Espino 2013-11-04 17:08:02 +01:00
parent fe8da58db3
commit eb85534813
2 changed files with 119 additions and 0 deletions
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50
greenmine/projects/api.py
View File

@ -1,8 +1,11 @@
# -*- coding: utf-8 -*-
from django.db.models import Q
from django.shortcuts import get_object_or_404
from rest_framework.permissions import IsAuthenticated
from rest_framework.response import Response
from rest_framework.decorators import detail_route
from greenmine.base import filters
from greenmine.base.api import ModelCrudViewSet, ModelListViewSet
@ -19,6 +22,53 @@ class ProjectViewSet(ModelCrudViewSet):
list_serializer_class = serializers.ProjectSerializer
permission_classes = (IsAuthenticated, permissions.ProjectPermission)
@detail_route(methods=['get'])
def stats(self, request, pk=None):
project = get_object_or_404(models.Project, pk=pk)
project_stats = {
'name': project.name,
'total_milestones': project.total_milestones,
'total_points': project.total_story_points,
'milestones': []
}
current_milestone = 0
current_evolution = 0
current_team_increment = 0
current_client_increment = 0
optimal_points_per_sprint = project.total_story_points / (project.total_milestones - 1)
for ml in project.milestones.all():
optimal_points = project.total_story_points - (optimal_points_per_sprint * current_milestone)
project_stats['milestones'].append({
'name': ml.name,
'optimal': optimal_points,
'evolution': project.total_story_points - current_evolution,
'team-increment': current_team_increment,
'client-increment': current_client_increment,
})
current_milestone += 1
current_evolution += sum(ml.closed_points.values())
current_team_increment += sum(ml.team_increment_points.values())
current_client_increment += sum(ml.client_increment_points.values())
if project.total_milestones > project.milestones.all().count():
for x in range(project.milestones.all().count(), project.total_milestones):
optimal_points = project.total_story_points - (optimal_points_per_sprint * current_milestone)
if current_evolution is not None:
current_evolution = project.total_story_points - current_evolution
project_stats['milestones'].append({
'name': "Future sprint",
'optimal': optimal_points,
'evolution': current_evolution,
'team-increment': current_team_increment + sum(project.future_team_increment.values()),
'client-increment': current_client_increment + sum(project.future_client_increment.values()),
})
current_milestone += 1
current_evolution = None
return Response(project_stats)
def get_queryset(self):
qs = super(ProjectViewSet, self).get_queryset()
qs = qs.filter(Q(owner=self.request.user) |

69
greenmine/projects/models.py
View File

@ -13,9 +13,12 @@ from picklefield.fields import PickledObjectField
from greenmine.base.utils.slug import slugify_uniquely
from greenmine.base.notifications.models import WatchedMixin
from greenmine.projects.userstories.models import UserStory
from . import choices
import reversion
import itertools
import copy
def get_attachment_file_path(instance, filename):
@ -157,6 +160,72 @@ class Project(models.Model):
rp_query = rp_query.exclude(role__id__in=roles.values_list("id", flat=True))
rp_query.delete()
def _get_user_stories_points(self, user_stories):
role_points = [us.role_points.all() for us in user_stories]
flat_role_points = itertools.chain(*role_points)
result = {}
for role_point in flat_role_points:
if role_point.points.value is not None:
if role_point.role_id in result:
result[role_point.role_id] += float(role_point.points.value)
else:
result[role_point.role_id] = float(role_point.points.value)
return result
def _dict_sum(self, dict1, dict2):
dict_result = copy.copy(dict2)
for key, value in dict1.items():
if key in dict_result:
dict_result[key] += value
else:
dict_result[key] = value
return dict_result
@property
def future_team_increment(self):
user_stories = UserStory.objects.none()
last_milestones = self.milestones.order_by('-estimated_finish')
last_milestone = last_milestones[1] if last_milestones else None
user_stories = UserStory.objects.filter(
created_date__gte=last_milestone.estimated_finish if last_milestones else None,
project_id=self.id,
client_requirement=False,
team_requirement=True
)
team_increment = self._get_user_stories_points(user_stories)
shared_increment = {key: value/2 for key, value in self.future_shared_increment.items()}
return self._dict_sum(team_increment, shared_increment)
@property
def future_client_increment(self):
user_stories = UserStory.objects.none()
last_milestones = self.milestones.order_by('-estimated_finish')
last_milestone = last_milestones[1] if last_milestones else None
user_stories = UserStory.objects.filter(
created_date__gte=last_milestone.estimated_finish if last_milestones else None,
project_id=self.id,
client_requirement=True,
team_requirement=False
)
client_increment = self._get_user_stories_points(user_stories)
shared_increment = {key: value/2 for key, value in self.future_shared_increment.items()}
return self._dict_sum(client_increment, shared_increment)
@property
def future_shared_increment(self):
user_stories = UserStory.objects.none()
last_milestones = self.milestones.order_by('-estimated_finish')
last_milestone = last_milestones[1] if last_milestones else None
user_stories = UserStory.objects.filter(
created_date__gte=last_milestone.estimated_finish if last_milestones else None,
project_id=self.id,
client_requirement=True,
team_requirement=True
)
return self._get_user_stories_points(user_stories)
# User Stories common Models