taiga-back/greenmine/projects/userstories/models.py

154 lines
6.3 KiB
Python

# -*- coding: utf-8 -*-
from django.db import models
from django.contrib.contenttypes import generic
from django.conf import settings
from django.dispatch import receiver
from django.utils.translation import ugettext_lazy as _
from picklefield.fields import PickledObjectField
import reversion
from greenmine.base.utils.slug import ref_uniquely
from greenmine.base.notifications.models import WatchedMixin
class RolePoints(models.Model):
user_story = models.ForeignKey("UserStory", null=False, blank=False,
related_name="role_points",
verbose_name=_("user story"))
role = models.ForeignKey("users.Role", null=False, blank=False,
related_name="role_points",
verbose_name=_("role"))
points = models.ForeignKey("projects.Points", null=False, blank=False,
related_name="role_points",
verbose_name=_("points"))
class Meta:
verbose_name = "role points"
verbose_name_plural = "role points"
unique_together = ("user_story", "role")
ordering = ["user_story", "role"]
permissions = (
("view_rolepoints", "Can view role points"),
)
class UserStory(WatchedMixin):
ref = models.BigIntegerField(db_index=True, null=True, blank=True, default=None,
verbose_name=_("ref"))
milestone = models.ForeignKey("milestones.Milestone", null=True, blank=True,
default=None, related_name="user_stories",
on_delete=models.SET_NULL, verbose_name=_("milestone"))
project = models.ForeignKey("projects.Project", null=False, blank=False,
related_name="user_stories", verbose_name=_("project"))
owner = models.ForeignKey(settings.AUTH_USER_MODEL, null=True, blank=True,
related_name="owned_user_stories", verbose_name=_("owner"),
on_delete=models.SET_NULL)
status = models.ForeignKey("projects.UserStoryStatus", null=True, blank=True,
related_name="user_stories", verbose_name=_("status"),
on_delete=models.SET_NULL)
points = models.ManyToManyField("projects.Points", null=False, blank=False,
related_name="userstories", through="RolePoints",
verbose_name=_("points"))
order = models.PositiveSmallIntegerField(null=False, blank=False, default=100,
verbose_name=_("order"))
created_date = models.DateTimeField(auto_now_add=True, null=False, blank=False,
verbose_name=_("created date"))
modified_date = models.DateTimeField(auto_now=True, null=False, blank=False,
verbose_name=_("modified date"))
finish_date = models.DateTimeField(null=True, blank=True,
verbose_name=_("finish date"))
subject = models.CharField(max_length=500, null=False, blank=False,
verbose_name=_("subject"))
description = models.TextField(null=False, blank=True, verbose_name=_("description"))
watchers = models.ManyToManyField(settings.AUTH_USER_MODEL, null=True, blank=True,
related_name="watched_us", verbose_name=_("watchers"))
client_requirement = models.BooleanField(default=False, null=False, blank=True,
verbose_name=_("is client requirement"))
team_requirement = models.BooleanField(default=False, null=False, blank=True,
verbose_name=_("is team requirement"))
tags = PickledObjectField(null=False, blank=True,
verbose_name=_("tags"))
attachments = generic.GenericRelation("projects.Attachment")
notifiable_fields = [
"milestone",
"owner",
"status",
"points",
"finish_date",
"subject",
"description",
"client_requirement",
"team_requirement",
"tags",
]
class Meta:
verbose_name = "user story"
verbose_name_plural = "user stories"
ordering = ["project", "order"]
unique_together = ("ref", "project")
permissions = (
("view_userstory", "Can view user story"),
)
def __str__(self):
return "({1}) {0}".format(self.ref, self.subject)
def __repr__(self):
return "<UserStory %s>" % (self.id)
@property
def is_closed(self):
return self.status.is_closed
def get_role_points(self):
return self.role_points
def get_total_points(self):
total = 0.0
for rp in self.role_points.select_related("points"):
if rp.points.value:
total += rp.points.value
return total
def _get_watchers_by_role(self):
return {
"owner": self.owner,
"suscribed_watchers": self.watchers.all(),
"project_owner": (self.project, self.project.owner),
}
# Reversion registration (usufull for base.notification and for meke a historical)
reversion.register(UserStory)
# Model related signals handlers
@receiver(models.signals.pre_save, sender=UserStory, dispatch_uid="user_story_ref_handler")
def us_ref_handler(sender, instance, **kwargs):
if not instance.id and instance.project:
instance.ref = ref_uniquely(instance.project, "last_us_ref", instance.__class__)
@receiver(models.signals.post_save, sender=UserStory,
dispatch_uid="user_story_create_role_points_handler")
def us_create_role_points_handler(sender, instance, **kwargs):
instance.project.update_role_points()
@receiver(models.signals.post_save, sender=UserStory,
dispatch_uid="user_story_tasks_reassignation")
def us_task_reassignation(sender, instance, created, **kwargs):
if not created:
instance.tasks.update(milestone=instance.milestone)
@receiver(models.signals.pre_save, sender=UserStory, dispatch_uid="us-tags-normalization")
def us_tags_normalization(sender, instance, **kwargs):
if isinstance(instance.tags, (list, tuple)):
instance.tags = list(map(lambda x: x.lower(), instance.tags))