140 lines
4.2 KiB
Python
140 lines
4.2 KiB
Python
# -*- coding: utf-8 -*-
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# vi:si:et:sw=4:sts=4:ts=4
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from __future__ import division, with_statement
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import os
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import subprocess
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from django.db import models
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from django.contrib.auth.models import User
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from ox.django.fields import DictField
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import managers
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class List(models.Model):
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class Meta:
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unique_together = ("user", "name")
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created = models.DateTimeField(auto_now_add=True)
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modified = models.DateTimeField(auto_now=True)
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user = models.ForeignKey(User, related_name='lists')
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name = models.CharField(max_length=255)
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status = models.CharField(max_length=20, default='private')
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_status = ['private', 'public', 'featured']
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query = DictField(default={"static": True})
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type= models.CharField(max_length=255, default='static')
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description = models.TextField(default='')
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icon = models.ImageField(default=None, blank=True,
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upload_to=lambda i, x: i.path("icon.jpg"))
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#is through table still required?
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items = models.ManyToManyField('item.Item', related_name='lists',
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through='ListItem')
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subscribed_users = models.ManyToManyField(User, related_name='subscribed_lists')
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objects = managers.ListManager()
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def save(self, *args, **kwargs):
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if self.query.get('static', False):
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self.type = 'static'
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else:
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self.type = 'smart'
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super(List, self).save(*args, **kwargs)
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def get_number_of_items(self, user=None):
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if self.query.get('static', False):
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return self.items.count()
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else:
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from item.models import Item
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return Item.objects.find({'query': self.query}, user).count()
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def add(self, item):
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q = self.items.filter(id=item.id)
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if q.count() == 0:
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l = ListItem()
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l.list = self
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l.item = item
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l.save()
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def remove(self, item):
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ListItem.objects.all().filter(item=item, list=self).delete()
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def __unicode__(self):
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return self.get_id()
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def get_id(self):
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return u'%s/%s' % (self.user.username, self.name)
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def editable(self, user):
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#FIXME: make permissions work
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if self.user == user or user.is_staff:
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return True
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return False
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def json(self, keys=None, user=None):
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if not keys:
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keys=['id', 'name', 'user', 'type', 'query', 'status', 'subscribed']
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response = {}
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for key in keys:
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if key == 'items':
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response[key] = self.get_number_of_items(user)
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elif key == 'id':
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response[key] = self.get_id()
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elif key == 'user':
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response[key] = self.user.username
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elif key == 'query':
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if not self.query.get('static', False):
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response[key] = self.query
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elif key == 'subscribed':
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if user and not user.is_anonymous():
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response[key] = self.subscribed_users.filter(id=user.id).exists()
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else:
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response[key] = getattr(self, key)
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return response
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def path(self, name=''):
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h = self.get_id()
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return os.path.join('lists', h[:2], h[2:4], h[4:6], h[6:], name)
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def make_icon(self):
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frames = []
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self.icon.name = self.path('icon.png')
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icon = self.icon.path
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if frames:
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cmd = [
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'scripts/list_icon',
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'-f', ','.join(frames),
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'-o', icon
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]
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p = subprocess.Popen(cmd)
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p.wait()
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class ListItem(models.Model):
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created = models.DateTimeField(auto_now_add=True)
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modified = models.DateTimeField(auto_now=True)
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list = models.ForeignKey(List)
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item = models.ForeignKey('item.Item')
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def __unicode__(self):
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return u'%s in %s' % (self.item, self.list)
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class Position(models.Model):
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class Meta:
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unique_together = ("user", "list", "section")
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list = models.ForeignKey(List, related_name='position')
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user = models.ForeignKey(User)
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section = models.CharField(max_length='255')
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position = models.IntegerField(default=0)
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def __unicode__(self):
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return u'%s/%s/%s' % (self.section, self.position, self.list)
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