148 lines
6.5 KiB
Python
148 lines
6.5 KiB
Python
# -*- coding: utf-8 -*-
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from django.db import models
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from django.conf import settings
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from django.utils import timezone
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from django.dispatch import receiver
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from django.utils.translation import ugettext_lazy as _
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from picklefield.fields import PickledObjectField
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from greenmine.base.utils.slug import ref_uniquely
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from greenmine.base.notifications.models import WatchedMixin
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import reversion
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class TaskStatus(models.Model):
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name = models.CharField(max_length=255, null=False, blank=False, verbose_name=_("name"))
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order = models.IntegerField(default=10, null=False, blank=False, verbose_name=_("order"))
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is_closed = models.BooleanField(default=False, null=False, blank=True,
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verbose_name=_("is closed"))
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color = models.CharField(max_length=20, null=False, blank=False, default="#999999",
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verbose_name=_("color"))
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project = models.ForeignKey("projects.Project", null=False, blank=False,
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related_name="task_statuses", verbose_name=_("project"))
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class Meta:
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verbose_name = u"task status"
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verbose_name_plural = u"task statuses"
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ordering = ["project", "name"]
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unique_together = ("project", "name")
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def __unicode__(self):
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return u"project {0} - {1}".format(self.project_id, self.name)
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class Task(models.Model, WatchedMixin):
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uuid = models.CharField(max_length=40, unique=True, null=False, blank=True,
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verbose_name=_("uuid"))
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user_story = models.ForeignKey("userstories.UserStory", null=True, blank=True,
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related_name="tasks", verbose_name=_("user story"))
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ref = models.BigIntegerField(db_index=True, null=True, blank=True, default=None,
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verbose_name=_("ref"))
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owner = models.ForeignKey(settings.AUTH_USER_MODEL, null=True, blank=True, default=None,
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related_name="owned_tasks", verbose_name=_("owner"))
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status = models.ForeignKey("TaskStatus", null=False, blank=False,
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related_name="tasks", verbose_name=_("status"))
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project = models.ForeignKey("projects.Project", null=False, blank=False,
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related_name="tasks", verbose_name=_("project"))
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milestone = models.ForeignKey("milestones.Milestone", null=True, blank=True, default=None,
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related_name="tasks", verbose_name=_("milestone"))
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created_date = models.DateTimeField(auto_now_add=True, null=False, blank=False,
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verbose_name=_("created date"))
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modified_date = models.DateTimeField(auto_now_add=True, null=False, blank=False,
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verbose_name=_("modified date"))
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finished_date = models.DateTimeField(null=True, blank=True,
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verbose_name=_("finished date"))
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subject = models.CharField(max_length=500, null=False, blank=False,
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verbose_name=_("subject"))
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description = models.TextField(null=False, blank=True, verbose_name=_("description"))
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assigned_to = models.ForeignKey(settings.AUTH_USER_MODEL, blank=True, null=True,
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default=None, related_name="user_storys_assigned_to_me",
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verbose_name=_("assigned to"))
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watchers = models.ManyToManyField(settings.AUTH_USER_MODEL, null=True, blank=True,
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related_name="watched_tasks", verbose_name=_("watchers"))
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tags = PickledObjectField(null=False, blank=True, verbose_name=_("tags"))
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is_iocaine = models.BooleanField(default=False, null=False, blank=True,
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verbose_name=_("is iocaine"))
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notifiable_fields = [
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"owner",
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"status",
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"finished_date",
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"subject",
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"description",
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"assigned_to",
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"tags",
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"is_iocaine",
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]
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class Meta:
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verbose_name = u"task"
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verbose_name_plural = u"tasks"
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ordering = ["project", "created_date"]
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unique_together = ("ref", "project")
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permissions = (
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("comment_task", "Can comment tasks"),
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("change_owned_task", "Can modify owned tasks"),
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("change_assigned_task", "Can modify assigned tasks"),
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("assign_task_to_other", "Can assign tasks to others"),
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("assign_task_to_myself", "Can assign tasks to myself"),
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("change_task_state", "Can change the task state"),
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("view_task", "Can view the task"),
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("add_task_to_us", "Can add tasks to a user story"),
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)
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def __unicode__(self):
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return u"({1}) {0}".format(self.ref, self.subject)
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def save(self, *args, **kwargs):
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if self.id:
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self.modified_date = timezone.now()
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super(Task, self).save(*args, **kwargs)
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def _get_watchers_by_role(self):
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return {
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"owner": self.owner,
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"assigned_to": self.assigned_to,
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"suscribed_watchers": self.watchers.all(),
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"project_owner": (self.project, self.project.owner),
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}
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# Reversion registration (usufull for base.notification and for meke a historical)
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reversion.register(Task)
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# Model related signals handlers
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@receiver(models.signals.pre_save, sender=Task, dispatch_uid="task_ref_handler")
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def task_ref_handler(sender, instance, **kwargs):
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if not instance.id and instance.project:
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instance.ref = ref_uniquely(instance.project, "last_task_ref", instance.__class__)
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@receiver(models.signals.pre_save, sender=Task, dispatch_uid="tasks_close_handler")
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def tasks_close_handler(sender, instance, **kwargs):
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"""
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Automatically assignes a seguent reference code to a
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user story if that is not created.
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"""
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if instance.id:
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if (sender.objects.get(id=instance.id).status.is_closed == False and
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instance.status.is_closed == True):
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instance.finished_date = timezone.now()
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if (all([task.status.is_closed for task in
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instance.user_story.tasks.exclude(id=instance.id)])):
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instance.user_story.finish_date = timezone.now()
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instance.user_story.save()
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elif (sender.objects.get(id=instance.id).status.is_closed == True and
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instance.status.is_closed == False):
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instance.finished_date = None
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instance.user_story.finish_date = None
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instance.user_story.save()
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else:
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instance.user_story.finish_date = None
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instance.user_story.save()
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