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'''
Created on Jun 23, 2010
@author: leifj
'''
from django.db import models
from django.contrib.auth.models import User
from coip.apps.name.models import Name
import datetime
import logging
from coip.apps.entity.models import Entity
import tagging
from django.core.mail import send_mail
from coip.settings import NOREPLY
class Membership(models.Model):
'''
Membership in a namespace/group
'''
user = models.ForeignKey(User,blank=True,null=True,related_name='user')
entity = models.ForeignKey(Entity,blank=True,null=True,related_name='entity')
name = models.ForeignKey(Name,related_name='memberships')
enabled = models.BooleanField()
hidden = models.BooleanField()
timecreated = models.DateTimeField(auto_now_add=True)
lastupdated = models.DateTimeField(auto_now=True)
expires = models.DateTimeField(blank=True,null=True)
def __unicode__(self):
return "%s in %s" % (self.user,self.name)
def valid(self):
return self.enabled and datetime.date.today() > self.expires
def status(self):
if self.valid():
return "active"
else:
return "inactive";
def is_user(self):
return self.user != None
def is_entity(self):
return self.entity != None
def send_notification(self,what):
if not self.user or not self.user.email:
return
send_mail('You have been %s \'%s\'' % (what,self.name.short),
'''
You have been %s \'%s\'.
To view information about \'%s\' open this link in your browser:
%s
''' % (what,self.name.shortname(),self.name.shortname(),self.name.url()),
NOREPLY,
[self.user.email],
fail_silently=False)
return
def add_member(name,member_name,hidden=False):
if isinstance(member_name,User):
(m,created) = Membership.objects.get_or_create(user=member_name,name=name)
else:
(m,created) = Membership.objects.get_or_create(entity=member_name,name=name)
if created or not m.enabled or m.hidden != hidden:
m.enabled = True
m.hidden = hidden
m.save()
return m.send_notification("added to")
def disable_member(name,member_name):
if isinstance(member_name,User):
m = Membership.objects.get(name=name,user=member_name)
else:
m = Membership.objects.get(name=name,entity=member_name)
if m:
m.enabled = False
m.save()
m.send_notification("temporarily removed from")
def remove_member(name,member_name):
if isinstance(member_name,User):
m = Membership.objects.get(name=name,user=member_name)
else:
m = Membership.objects.get(name=name,entity=member_name)
if m:
m.send_notification("removed from")
m.delete()
def has_member(name,member_name):
if isinstance(member_name,User):
return Membership.objects.filter(name=name,user=member_name)
else:
return Membership.objects.filter(name=name,entity=member_name)
tagging.register(Membership)
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