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'''
Created on Jan 31, 2011
@author: leifj
'''
from django.db import models
from django.db.models.fields import CharField, BooleanField, IntegerField,\
TextField
from django.db.models.fields.related import ForeignKey
from django.contrib.auth.models import User
from meetingtools.apps.cluster.models import ACCluster
import time
import tagging
from meetingtools.settings import BASE_URL, LOCK_DIR
from django.db.models.signals import post_save
from tagging.models import Tag
import os
class FileLock(object):
def __init__(self,obj):
self.obj = obj
def __get__(self):
return os.access(LOCK_DIR+os.sep+self.obj.__class__+"_"+self.obj.id+".lock",os.F_OK)
def __set__(self,value):
if not isinstance(value,bool):
raise AttributeError
if value:
f = open(LOCK_DIR+os.sep+self.obj.__class__+"_"+self.obj.id+".lock")
f.close()
else:
os.remove(LOCK_DIR+os.sep+self.obj.__class__+"_"+self.obj.id+".lock")
def __delete__(self):
raise AttributeError
class Room(models.Model):
creator = ForeignKey(User,editable=False)
name = CharField(max_length=128)
urlpath = CharField(verbose_name="Custom URL",max_length=128,unique=True)
acc = ForeignKey(ACCluster,verbose_name="Adobe Connect Cluster",editable=False)
self_cleaning = BooleanField(verbose_name="Clean-up when empty?")
allow_host = BooleanField(verbose_name="Allow first participant to become host?",default=True)
sco_id = IntegerField(verbose_name="Adobe Connect Room")
source_sco_id = IntegerField(verbose_name="Template",blank=True,null=True)
folder_sco_id = IntegerField(verbose_name="Adobe Connect Room Folder",editable=False)
description = TextField(blank=True,null=True)
user_count = IntegerField(verbose_name="User Count At Last Visit",editable=False,blank=True,null=True)
host_count = IntegerField(verbose_name="Host Count At Last Visit",editable=False,blank=True,null=True)
timecreated = models.DateTimeField(auto_now_add=True)
lastupdated = models.DateTimeField(auto_now=True)
lastvisited = models.DateTimeField(blank=True,null=True)
class Meta:
unique_together = (('acc','sco_id'),('name','folder_sco_id'))
def __unicode__(self):
return "%s (sco_id=%s,source_sco_id=%s,folder_sco_id=%s,urlpath=%s)" % (self.name,self.sco_id,self.source_sco_id,self.folder_sco_id,self.urlpath)
def _lockf(self):
return "%s%sroom-%d.lock" % (LOCK_DIR,os.sep,+self.id)
def lock(self,msg=None):
f = open(self._lockf(),'w')
if msg:
f.write(msg)
f.close()
def unlock(self):
os.remove(self._lockf())
def is_locked(self):
os.access(self._lockf(),os.F_OK)
def lastvisit(self):
if not self.lastvisited:
return 0
else:
return int(time.mktime(self.lastvisited.timetuple())*1000)
def lastupdate(self):
if not self.lastupdated:
return 0
else:
return int(time.mktime(self.lastupdated.timetuple()))
def go_url(self):
return "%s/go/%s" % (BASE_URL,self.urlpath)
def go_url_internal(self):
return "%s/go/%d" % (BASE_URL,self.id)
def permalink(self):
return "%s/room/%d" % (BASE_URL,self.id)
def recordings_url(self):
return "%s/room/%d/recordings" % (BASE_URL,self.id)
def nusers(self):
if self.user_count == None:
return "unknown many"
else:
return self.user_count
def nhosts(self):
if self.host_count == None:
return "unknown many"
else:
return self.host_count
tagging.register(Room)
def _magic_tags(sender,**kwargs):
room = kwargs['instance']
if room.self_cleaning:
Tag.objects.add_tag(room, "cleaning")
else:
tags = Tag.objects.get_for_object(room)
ntags = []
for tag in tags:
if tag.name != "cleaning":
ntags.append(tag.name)
Tag.objects.update_tags(room, " ".join(ntags))
post_save.connect(_magic_tags,sender=Room)
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