296 lines
9.1 KiB
Python
296 lines
9.1 KiB
Python
# -*- coding: utf-8 -*-
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# vi:si:et:sw=4:sts=4:ts=4
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import json
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import sqlalchemy as sa
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from changelog import Changelog
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from db import MutableDict
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from queryparser import Parser
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import db
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import json_pickler
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import settings
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import state
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import logging
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logger = logging.getLogger('oml.user.models')
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class User(db.Model):
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__tablename__ = 'user'
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created = sa.Column(sa.DateTime())
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modified = sa.Column(sa.DateTime())
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id = sa.Column(sa.String(43), primary_key=True)
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info = sa.Column(MutableDict.as_mutable(sa.PickleType(pickler=json_pickler)))
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nickname = sa.Column(sa.String(256), unique=True)
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pending = sa.Column(sa.String(64)) # sent|received
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queued = sa.Column(sa.Boolean())
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peered = sa.Column(sa.Boolean())
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online = sa.Column(sa.Boolean())
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def __repr__(self):
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return self.id
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@classmethod
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def get(cls, id):
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return cls.query.filter_by(id=id).first()
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@classmethod
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def get_or_create(cls, id):
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user = cls.get(id)
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if not user:
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user = cls(id=id, peered=False, online=False)
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user.info = {}
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user.update_name()
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user.save()
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return user
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def save(self):
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state.db.session.add(self)
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state.db.session.commit()
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@property
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def name(self):
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name = self.nickname if self.id != settings.USER_ID else ''
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return name
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def json(self):
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j = {}
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if self.info:
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j.update(self.info)
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j['id'] = self.id
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if self.pending:
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j['pending'] = self.pending
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j['peered'] = self.peered
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j['online'] = self.is_online()
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j['nickname'] = self.info.get('nickname')
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j['username'] = self.info.get('username') if self.id != settings.USER_ID else settings.preferences['username']
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j['name'] = self.name
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return j
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def is_online(self):
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return state.nodes and state.nodes.is_online(self.id)
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def lists_json(self):
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return [{
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'id': '%s:' % ('' if self.id == settings.USER_ID else self.nickname),
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'name': 'Library',
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'type': 'library',
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'items': self.items.count(),
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'user': self.name
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}] + [l.json() for l in self.lists.order_by('index_')]
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def update_peering(self, peered, username=None):
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was_peering = self.peered
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if peered:
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self.pending = ''
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if username:
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self.info['username'] = username
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self.update_name()
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# FIXME: need to set peered to False to not trigger changelog event
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# before other side receives acceptPeering request
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self.peered = False
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self.save()
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if not was_peering:
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Changelog.record(state.user(), 'addpeer', self.id, self.nickname)
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self.peered = True
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self.queued = True
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self.save()
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else:
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self.pending = ''
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self.peered = False
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self.update_name()
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self.save()
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List.query.filter_by(user_id=self.id).delete()
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for i in self.items:
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i.users.remove(self)
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if not i.users:
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i.delete()
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Changelog.query.filter_by(user_id=self.id).delete()
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self.save()
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if was_peering:
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Changelog.record(state.user(), 'removepeer', self.id)
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self.save()
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def update_name(self):
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if self.id == settings.USER_ID:
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name = settings.preferences.get('username', 'anonymous')
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else:
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name = self.info.get('nickname') or self.info.get('username') or 'anonymous'
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nickname = name
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n = 2
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while self.query.filter_by(nickname=nickname).filter(User.id!=self.id).first():
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nickname = '%s [%d]' % (name, n)
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n += 1
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self.nickname = nickname
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list_items = sa.Table('listitem', db.metadata,
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sa.Column('list_id', sa.Integer(), sa.ForeignKey('list.id')),
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sa.Column('item_id', sa.String(32), sa.ForeignKey('item.id'))
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)
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class List(db.Model):
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__tablename__ = 'list'
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id = sa.Column(sa.Integer(), primary_key=True)
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name = sa.Column(sa.String())
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index_ = sa.Column(sa.Integer())
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type = sa.Column(sa.String(64))
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_query = sa.Column('query', MutableDict.as_mutable(sa.PickleType(pickler=json_pickler)))
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user_id = sa.Column(sa.String(43), sa.ForeignKey('user.id'))
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user = sa.orm.relationship('User', backref=sa.orm.backref('lists', lazy='dynamic'))
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items = sa.orm.relationship('Item', secondary=list_items,
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backref=sa.orm.backref('lists', lazy='dynamic'))
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@classmethod
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def get(cls, user_id, name=None):
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if name is None:
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user_id, name = cls.get_user_name(user_id)
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return cls.query.filter_by(user_id=user_id, name=name).first()
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@classmethod
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def get_user_name(cls, user_id):
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nickname, name = user_id.split(':', 1)
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if nickname:
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user = User.query.filter_by(nickname=nickname).first()
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user_id = user.id
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else:
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user_id = settings.USER_ID
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return user_id, name
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@classmethod
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def get_or_create(cls, user_id, name=None, query=None):
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if name is None:
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user_id, name = cls.get_user_name(user_id)
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l = cls.get(user_id, name)
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if not l:
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l = cls.create(user_id, name, query)
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return l
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@classmethod
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def create(cls, user_id, name, query=None):
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prefix = name
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n = 2
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while cls.get(user_id, name):
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name = '%s [%s]' % (prefix, n)
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n += 1
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l = cls(user_id=user_id, name=name)
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l._query = query
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l.type = 'smart' if l._query else 'static'
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l.index_ = cls.query.filter_by(user_id=user_id).count()
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state.db.session.add(l)
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state.db.session.commit()
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if user_id == settings.USER_ID:
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if not l._query:
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Changelog.record(state.user(), 'addlist', l.name)
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return l
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@classmethod
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def rename_user(cls, old, new):
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for l in cls.query.filter(cls._query!=None):
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def update_conditions(conditions):
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changed = False
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for c in conditions:
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if 'conditions' in c:
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changed = update_conditions(conditions)
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else:
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if c.get('key') == 'list' and c.get('value', '').startswith('%s:' % old):
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c['value'] = '%s:%s' % new, c['value'].split(':', 1)[1]
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changed = True
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return changed
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if update_conditions(l._query.get('conditions', [])):
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l.save()
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def add_items(self, items):
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from item.models import Item
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for item_id in items:
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i = Item.get(item_id)
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if i:
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self.items.append(i)
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if self.user_id == settings.USER_ID:
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i.queue_download()
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i.update()
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state.db.session.add(self)
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state.db.session.commit()
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if self.user_id == settings.USER_ID:
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Changelog.record(self.user, 'addlistitems', self.name, items)
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def remove_items(self, items):
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from item.models import Item
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for item_id in items:
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i = Item.get(item_id)
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if i in self.items:
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self.items.remove(i)
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i.update()
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state.db.session.add(self)
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state.db.session.commit()
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if self.user_id == settings.USER_ID:
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Changelog.record(self.user, 'removelistitems', self.name, items)
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def remove(self):
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if not self._query:
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for i in self.items:
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self.items.remove(i)
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if not self._query:
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if self.user_id == settings.USER_ID:
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Changelog.record(self.user, 'removelist', self.name)
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state.db.session.delete(self)
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state.db.session.commit()
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@property
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def public_id(self):
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id = ''
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if self.user_id != settings.USER_ID:
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id += self.user.nickname
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id = '%s:%s' % (id, self.name)
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return id
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@property
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def find_id(self):
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id = ''
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if self.user_id != settings.USER_ID:
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id += self.user_id
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id = '%s:%s' % (id, self.id)
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return id
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def __repr__(self):
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return self.public_id.encode('utf-8')
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def items_count(self):
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key = 'list:' + self.public_id
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value = state.cache.get(key)
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if value is None:
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from item.models import Item
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if self._query:
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data = self._query
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value = Parser(Item).find({'query': data}).count()
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else:
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value = len(self.items)
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state.cache.set(key, value)
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return value
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def json(self):
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r = {
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'id': self.public_id,
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'user': self.user.name,
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'name': self.name,
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'index': self.index_,
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'items': self.items_count(),
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'type': self.type
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}
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if self.type == 'smart':
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r['query'] = self._query
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return r
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def save(self):
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state.db.session.add(self)
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state.db.session.commit()
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