forked from 0x2620/pandora
338 lines
12 KiB
Python
338 lines
12 KiB
Python
# -*- coding: utf-8 -*-
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import os
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import re
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import subprocess
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from glob import glob
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from django.db import models
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from django.db.models import Max
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from django.contrib.auth import get_user_model
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from django.conf import settings
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from oxdjango.fields import JSONField
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import ox
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from archive import extract
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from user.utils import update_groups
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from user.models import Group
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from . import managers
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User = get_user_model()
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def get_path(f, x): return f.path(x)
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def get_icon_path(f, x): return get_path(f, 'icon.jpg')
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def get_listview(): return settings.CONFIG['user']['ui']['listView']
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def get_listsort(): return tuple(settings.CONFIG['user']['ui']['listSort'])
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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', on_delete=models.CASCADE)
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groups = models.ManyToManyField(Group, blank=True, 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 = JSONField(default=lambda: {"static": True}, editable=False)
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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, upload_to=get_icon_path)
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view = models.TextField(default=get_listview)
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sort = JSONField(default=get_listsort, editable=False)
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poster_frames = JSONField(default=list, editable=False)
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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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numberofitems = models.IntegerField(default=0)
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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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if self.id:
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self.numberofitems = self.get_numberofitems(self.user)
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super(List, self).save(*args, **kwargs)
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@classmethod
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def get(cls, id):
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id = id.split(':')
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username = id[0]
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listname = ":".join(id[1:])
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return cls.objects.get(user__username=username, name=listname)
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def get_items(self, user=None):
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if self.query.get('static', False):
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return self.items
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from item.models import Item
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return Item.objects.find({'query': self.query}, user)
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def get_numberofitems(self, user=None):
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return self.get_items(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.index = ListItem.objects.filter(list=self).aggregate(Max('index'))['index__max']
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if l.index == None:
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l.index = 0
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else:
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l.index += 1
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l.save()
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def remove(self, item=None, items=None):
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if item:
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ListItem.objects.all().filter(item=item, list=self).delete()
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if items:
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ListItem.objects.all().filter(item__public_id__in=items, list=self).delete()
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def __str__(self):
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return self.get_id()
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def get_id(self):
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return '%s:%s' % (self.user.username, self.name)
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def accessible(self, user):
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return self.user == user or self.status in ('public', 'featured')
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def editable(self, user):
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if not user or user.is_anonymous:
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return False
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if self.user == user or \
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self.groups.filter(id__in=user.groups.all()).count() > 0 or \
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user.is_staff or \
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user.profile.capability('canEditFeaturedLists'):
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return True
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return False
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def edit(self, data, user):
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if 'groups' in data:
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groups = data.pop('groups')
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update_groups(self, groups)
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for key in data:
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if key == 'query' and not data['query']:
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setattr(self, key, {"static": True})
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elif key == 'query' and isinstance(data[key], dict):
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setattr(self, key, data[key])
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elif key == 'type':
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if data[key] == 'static':
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self.query = {"static": True}
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self.type = 'static'
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else:
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self.type = 'smart'
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if self.query.get('static', False):
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self.query = {}
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elif key == 'status':
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value = data[key]
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if value not in self._status:
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value = self._status[0]
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if value == 'private':
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for user in self.subscribed_users.all():
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self.subscribed_users.remove(user)
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qs = Position.objects.filter(user=user, list=self)
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if qs.count() > 1:
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pos = qs[0]
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pos.section = 'personal'
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pos.save()
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elif value == 'featured':
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if user.profile.capability('canEditFeaturedLists'):
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pos, created = Position.objects.get_or_create(list=self, user=user,
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section='featured')
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if created:
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qs = Position.objects.filter(user=user, section='featured')
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pos.position = qs.aggregate(Max('position'))['position__max'] + 1
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pos.save()
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Position.objects.filter(list=self).exclude(id=pos.id).delete()
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else:
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value = self.status
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elif self.status == 'featured' and value == 'public':
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Position.objects.filter(list=self).delete()
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pos, created = Position.objects.get_or_create(list=self,
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user=self.user, section='personal')
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qs = Position.objects.filter(user=self.user, section='personal')
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pos.position = qs.aggregate(Max('position'))['position__max'] + 1
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pos.save()
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for u in self.subscribed_users.all():
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pos, created = Position.objects.get_or_create(list=self, user=u,
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section='public')
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qs = Position.objects.filter(user=u, section='public')
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pos.position = qs.aggregate(Max('position'))['position__max'] + 1
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pos.save()
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self.status = value
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elif key == 'name':
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data['name'] = re.sub(' \[\d+\]$', '', data['name']).strip()
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if not data['name']:
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data['name'] = "Untitled"
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name = data['name']
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num = 1
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while List.objects.filter(name=name, user=self.user).exclude(id=self.id).count()>0:
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num += 1
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name = data['name'] + ' [%d]' % num
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self.name = name
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elif key == 'description':
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self.description = ox.sanitize_html(data['description'])
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if 'position' in data:
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pos, created = Position.objects.get_or_create(list=self, user=user)
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pos.position = data['position']
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pos.section = 'featured'
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if self.status == 'private':
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pos.section = 'personal'
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pos.save()
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if 'posterFrames' in data:
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self.poster_frames = tuple(data['posterFrames'])
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if 'view' in data:
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self.view = data['view']
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if 'sort' in data:
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self.sort = tuple(data['sort'])
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self.save()
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if 'posterFrames' in data:
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self.update_icon()
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def json(self, keys=None, user=None):
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if not keys:
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keys = [
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'description',
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'editable',
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'groups',
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'id',
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'name',
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'posterFrames',
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'query',
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'status',
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'subscribed',
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'type',
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'user',
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'view',
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]
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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_numberofitems(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 == 'groups':
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response[key] = [g.name for g in self.groups.all()]
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elif key == 'editable':
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response[key] = self.editable(user)
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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 == 'subscribers':
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response[key] = self.subscribed_users.all().count()
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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, {
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'posterFrames': 'poster_frames'
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}.get(key, key))
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return response
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def path(self, name=''):
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h = "%07d" % self.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 update_icon(self):
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frames = []
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if not self.poster_frames:
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items = self.get_items(self.user).filter(rendered=True)
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if items.count():
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poster_frames = []
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for i in range(0, items.count(), max(1, int(items.count()/4))):
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poster_frames.append({
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'item': items[int(i)].public_id,
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'position': items[int(i)].poster_frame
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})
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self.poster_frames = tuple(poster_frames)
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self.save()
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for i in self.poster_frames:
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from item.models import Item
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if 'item' in i:
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qs = Item.objects.filter(public_id=i['item'])
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if qs.count() > 0:
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if i.get('position'):
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frame = qs[0].frame(i['position'])
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if frame:
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frames.append(frame)
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self.icon.name = self.path('icon.jpg')
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icon = self.icon.path
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if frames:
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while len(frames) < 4:
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frames += frames
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folder = os.path.dirname(icon)
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ox.makedirs(folder)
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for f in glob("%s/icon*.jpg" % folder):
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os.unlink(f)
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cmd = [
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settings.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, close_fds=True)
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p.wait()
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self.save()
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def get_icon(self, size=16):
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path = self.path('icon%d.jpg' % size)
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path = os.path.join(settings.MEDIA_ROOT, path)
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if not os.path.exists(path):
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folder = os.path.dirname(path)
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ox.makedirs(folder)
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if self.icon and os.path.exists(self.icon.path):
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source = self.icon.path
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max_size = min(self.icon.width, self.icon.height)
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else:
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source = os.path.join(settings.STATIC_ROOT, 'jpg/list256.jpg')
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max_size = 256
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if size < max_size:
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extract.resize_image(source, path, size=size)
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else:
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path = source
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return path
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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, on_delete=models.CASCADE)
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index = models.IntegerField(default=0)
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item = models.ForeignKey('item.Item', on_delete=models.CASCADE)
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def __str__(self):
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return '%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', on_delete=models.CASCADE)
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user = models.ForeignKey(User, on_delete=models.CASCADE)
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section = models.CharField(max_length=255)
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position = models.IntegerField(default=0)
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def __str__(self):
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return '%s/%s/%s' % (self.section, self.position, self.list)
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