datatracker/ietf/group/models.py
2012-01-24 17:17:24 +00:00

133 lines
5.2 KiB
Python

# Copyright The IETF Trust 2007, All Rights Reserved
from django.db import models
from ietf.name.models import *
from ietf.person.models import Email, Person
import datetime
class GroupInfo(models.Model):
time = models.DateTimeField(default=datetime.datetime.now)
name = models.CharField(max_length=80)
state = models.ForeignKey(GroupStateName, null=True)
type = models.ForeignKey(GroupTypeName, null=True)
parent = models.ForeignKey('Group', blank=True, null=True)
ad = models.ForeignKey(Person, verbose_name="AD", blank=True, null=True)
list_email = models.CharField(max_length=64, blank=True)
list_subscribe = models.CharField(max_length=255, blank=True)
list_archive = models.CharField(max_length=255, blank=True)
comments = models.TextField(blank=True)
unused_states = models.ManyToManyField('doc.State', help_text="Document states that have been disabled for the group")
unused_tags = models.ManyToManyField(DocTagName, help_text="Document tags that have been disabled for the group")
def __unicode__(self):
return self.name
class Meta:
abstract = True
class GroupManager(models.Manager):
def active_wgs(self):
return self.get_query_set().filter(type='wg', state__in=('bof','proposed','active'))
class Group(GroupInfo):
objects = GroupManager()
acronym = models.CharField(max_length=40, unique=True, db_index=True)
charter = models.OneToOneField('doc.Document', related_name='chartered_group', blank=True, null=True)
def latest_event(self, *args, **filter_args):
"""Get latest event of optional Python type and with filter
arguments, e.g. g.latest_event(type="xyz") returns a GroupEvent
while g.latest_event(ChangeStateGroupEvent, type="xyz") returns a
ChangeStateGroupEvent event."""
model = args[0] if args else GroupEvent
e = model.objects.filter(group=self).filter(**filter_args).order_by('-time', '-id')[:1]
return e[0] if e else None
class GroupHistory(GroupInfo):
group = models.ForeignKey(Group, related_name='history_set')
acronym = models.CharField(max_length=40)
class Meta:
verbose_name_plural="group histories"
class GroupURL(models.Model):
group = models.ForeignKey(Group)
name = models.CharField(max_length=255)
url = models.URLField(verify_exists=False)
def __unicode__(self):
return u"%s (%s)" % (self.url, self.name)
class GroupMilestone(models.Model):
group = models.ForeignKey(Group)
desc = models.TextField()
expected_due_date = models.DateField()
done = models.BooleanField()
done_date = models.DateField(null=True, blank=True)
time = models.DateTimeField(auto_now=True)
def __unicode__(self):
return self.desc[:20] + "..."
class Meta:
ordering = ['expected_due_date']
class GroupStateTransitions(models.Model):
"""Captures that a group has overriden the default available
document state transitions for a certain state."""
group = models.ForeignKey(Group)
state = models.ForeignKey('doc.State', help_text="State for which the next states should be overridden")
next_states = models.ManyToManyField('doc.State', related_name='previous_groupstatetransitions_states')
def __unicode__(self):
return u'%s "%s" -> %s' % (self.group.acronym, self.state.name, [s.name for s in self.next_states.all()])
GROUP_EVENT_CHOICES = [
("changed_state", "Changed state"),
("added_comment", "Added comment"),
("info_changed", "Changed metadata"),
]
class GroupEvent(models.Model):
"""An occurrence for a group, used for tracking who, when and what."""
group = models.ForeignKey(Group)
time = models.DateTimeField(default=datetime.datetime.now, help_text="When the event happened")
type = models.CharField(max_length=50, choices=GROUP_EVENT_CHOICES)
by = models.ForeignKey(Person)
desc = models.TextField()
def __unicode__(self):
return u"%s %s at %s" % (self.by.plain_name(), self.get_type_display().lower(), self.time)
class Meta:
ordering = ['-time', 'id']
class ChangeStateGroupEvent(GroupEvent):
state = models.ForeignKey(GroupStateName)
class Role(models.Model):
name = models.ForeignKey(RoleName)
group = models.ForeignKey(Group)
person = models.ForeignKey(Person)
email = models.ForeignKey(Email, help_text="Email address used by person for this role")
def __unicode__(self):
return u"%s is %s in %s" % (self.person.plain_name(), self.name.name, self.group.acronym or self.group.name)
def formatted_email(self):
return u'"%s" <%s>' % (self.person.plain_name(), self.email.address)
class RoleHistory(models.Model):
# RoleHistory doesn't have a time field as it's not supposed to be
# used on its own - there should always be a GroupHistory
# accompanying a change in roles, so lookup the appropriate
# GroupHistory instead
name = models.ForeignKey(RoleName)
group = models.ForeignKey(GroupHistory)
person = models.ForeignKey(Person)
email = models.ForeignKey(Email, help_text="Email address used by person for this role")
def __unicode__(self):
return u"%s is %s in %s" % (self.person.plain_name(), self.name.name, self.group.acronym)
class Meta:
verbose_name_plural = "role histories"