taiga-back/greenmine/projects/aggregates/stats.py

105 lines
4.0 KiB
Python

# -*- coding: utf-8 -*-
from django.db.models import Q, Count
def _get_milestones_stats_for_backlog(project):
"""
Get collection of stats for each millestone of project.
Data returned by this function are used on backlog.
"""
current_evolution = 0
current_team_increment = 0
current_client_increment = 0
optimal_points_per_sprint = project.total_story_points / (project.total_milestones)
future_team_increment = sum(project.future_team_increment.values())
future_client_increment = sum(project.future_client_increment.values())
milestones = project.milestones.order_by('estimated_start')
for current_milestone in range(0, max(milestones.count(), project.total_milestones)):
optimal_points = (project.total_story_points -
(optimal_points_per_sprint * current_milestone))
evolution = (project.total_story_points - current_evolution
if current_evolution is not None else None)
if current_milestone < milestones.count():
ml = milestones[current_milestone]
milestone_name = ml.name
team_increment = current_team_increment
client_increment = current_client_increment
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())
else:
milestone_name = "Future sprint"
team_increment = current_team_increment + future_team_increment,
client_increment = current_client_increment + future_client_increment,
current_evolution = None
yield {
'name': milestone_name,
'optimal': optimal_points,
'evolution': evolution,
'team-increment': team_increment,
'client-increment': client_increment,
}
optimal_points -= optimal_points_per_sprint
evolution = (project.total_story_points - current_evolution
if current_evolution is not None else None)
yield {
'name': 'Project End',
'optimal': optimal_points,
'evolution': evolution,
'team-increment': team_increment,
'client-increment': client_increment,
}
def _get_issues_assigned_to_counter(issues):
issues_per_assigned_to = _get_issues_counter_per_field(issues, "assigned_to")
if None in issues_per_assigned_to:
del issues_per_assigned_to[None]
issues_per_assigned_to["Unassigned"] = issues.count() - sum(issues_per_assigned_to.values())
return issues_per_assigned_to
def _get_issues_counter_per_field(issues, field):
return dict(
map(
lambda x: (x[field], x[field+'__count']),
issues.values(field).order_by().annotate(Count(field))
)
)
def get_stats_for_project_issues(project):
queryset = project.issues.all()
project_issues_stats = {
'total_issues': queryset.count(),
'issues_per_type': _get_issues_counter_per_field(queryset, "type__name"),
'issues_per_status': _get_issues_counter_per_field(queryset, "status__name"),
'issues_per_priority': _get_issues_counter_per_field(queryset, "priority__name"),
'issues_per_severity': _get_issues_counter_per_field(queryset, "severity__name"),
'issues_per_owner': _get_issues_counter_per_field(queryset, "owner"),
'issues_per_assigned_to': _get_issues_assigned_to_counter(queryset),
}
return project_issues_stats
def get_stats_for_project(project):
project_stats = {
'name': project.name,
'total_milestones': project.total_milestones,
'total_points': project.total_story_points,
'closed_points': sum(project.closed_points.values()),
'defined_points': sum(project.defined_points.values()),
'assigned_points': sum(project.assigned_points.values()),
'milestones': _get_milestones_stats_for_backlog(project)
}
return project_stats