560 lines
19 KiB
Python
560 lines
19 KiB
Python
# -*- coding: utf-8 -*-
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# vi:si:et:sw=4:sts=4:ts=4
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from datetime import datetime
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import json
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import hashlib
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import os
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import shutil
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import ox
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from sqlalchemy.orm import load_only
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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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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 utils
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import media
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from websocket import trigger_event
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import logging
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logger = logging.getLogger(__name__)
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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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user = cls.query.filter_by(id=id).first()
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if user and not user.info:
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user.info = {}
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return user
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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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if state.nodes and state.nodes._local and id in state.nodes._local._nodes:
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user.info['local'] = state.nodes._local._nodes[id]
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user.info['username'] = user.info['local']['username']
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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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@property
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def library(self):
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l = List.get_or_create(self.id, '')
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if l.index_ != -1:
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l.index_ = -1
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l.save()
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return l
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def json(self, keys=None):
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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')
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j['name'] = self.name
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if self.id == settings.USER_ID:
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j['username'] = settings.preferences['username']
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j['contact'] = settings.preferences['contact']
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if keys:
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for k in set(j) - set(keys):
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del j[k]
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return j
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def export_library(self):
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old_path = os.path.join(os.path.expanduser(settings.preferences['libraryPath']), 'Books', 'library.json')
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if os.path.exists(old_path):
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os.unlink(old_path)
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path = os.path.join(settings.data_path, 'library.json')
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self.library.export_json(path)
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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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self.library
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return [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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logging.debug('update_peering, pending: %s queued: %s', self.pending, self.queued)
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self.queued = self.pending != 'sent'
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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.save()
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if self.id in state.removepeer:
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del state.removepeer[self.id]
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else:
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self.pending = ''
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self.peered = False
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self.queued = False
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self.update_name()
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self.save()
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if self.name in settings.ui['showFolder']:
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del settings.ui['showFolder'][self.name]
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settings.ui._save()
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state.removepeer[self.id] = True
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self.cleanup()
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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 cleanup(self):
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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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Metadata.query.filter_by(user_id=self.id).delete()
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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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def migrate_id(self, service_id):
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if len(service_id) == 16:
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statements = [
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"DELETE FROM user WHERE id = '{nid}'",
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"UPDATE user SET id = '{nid}' WHERE id = '{oid}'",
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"UPDATE list SET user_id = '{nid}' WHERE user_id = '{oid}'",
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"UPDATE useritem SET user_id = '{nid}' WHERE user_id = '{oid}'",
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"UPDATE changelog SET user_id = '{nid}' WHERE user_id = '{oid}'",
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]
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with db.session() as session:
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for sql in statements:
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session.connection().execute(sql.format(oid=self.id, nid=service_id))
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session.commit()
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def rebuild_changelog(self):
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Changelog.query.filter_by(user_id=self.id).delete()
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for item in self.library.get_items().order_by('created'):
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Changelog.record(self, 'additem', item.id, item.info)
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Changelog.record(self, 'edititem', item.id, item.meta)
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lists = []
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for l in List.query.filter_by(user_id=self.id, type='static').order_by('index_'):
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if l.name:
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lists.append(l.name)
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Changelog.record(self, 'addlist', l.name)
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items = [i.id for i in l.get_items().options(load_only('id'))]
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if items:
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Changelog.record(self, 'addlistitems', l.name, items)
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if len(lists) > 1:
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Changelog.record(self, 'orderlists', lists)
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for peer in User.query.filter_by(peered=True):
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Changelog.record(self, 'addpeer', peer.id, self.nickname)
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if peer.info.get('contact'):
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Changelog.record(self, 'editpeer', peer.id, {
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'contact': peer.info.get('contact')
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})
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if settings.preferences.get('contact'):
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Changelog.record(self, 'editcontact', settings.preferences.get('contact'))
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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 and name != '':
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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(c['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 and i not in self.items:
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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 and self.name != '':
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Changelog.record(self.user, 'addlistitems', self.name, items)
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def get_items(self):
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from item.models import Item
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if self.type == 'smart':
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return Item.find({'query': self._query})
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else:
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return self.user.items.join(Item.lists, aliased=True).filter(List.id == self.id)
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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:
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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 and self.name != '':
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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 and self.name != '':
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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
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def items_count(self):
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return self.get_items().count()
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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.name == '':
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r['name'] = 'Library'
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r['type'] = 'library'
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del r['index']
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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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def create_symlinks(self):
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pass
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def export_json(self, path=None):
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from utils import _to_json
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if not path:
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if self.name:
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name = os.path.join('Lists', self.name)
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else:
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name = 'Books'
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path = os.path.join(os.path.expanduser(settings.preferences['libraryPath']), name, 'library.json')
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ox.makedirs(os.path.dirname(path))
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items = []
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for i in self.get_items():
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j = i.json()
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for f in i.files:
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j['path'] = f.path
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break
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items.append(j)
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with open(path, 'w') as f:
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json.dump(items, f, indent=4, default=_to_json, ensure_ascii=False, sort_keys=True)
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class Metadata(db.Model):
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__tablename__ = 'user_metadata'
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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.Integer(), primary_key=True)
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item_id = sa.Column(sa.String(32))
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user_id = sa.Column(sa.String(43), sa.ForeignKey('user.id'))
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data_hash = sa.Column(sa.String(40), index=True)
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data = sa.Column(MutableDict.as_mutable(sa.PickleType(pickler=json_pickler)))
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def __repr__(self):
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return '{item}/{user}'.format(item=self.item_id, user=self.user_id)
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@property
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def timestamp(self):
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return utils.datetime2ts(self.modified)
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@classmethod
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def get(cls, user_id, item_id):
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return cls.query.filter_by(item_id=item_id, user_id=user_id).first()
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@classmethod
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def get_or_create(cls, user_id, item_id, data=None, commit=True):
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m = cls.get(user_id=user_id, item_id=item_id)
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if not m:
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m = cls(user_id=user_id, item_id=item_id)
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m.created = datetime.utcnow()
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if data:
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m.data = data
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else:
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m.data = {}
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m.save(commit=commit)
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elif data:
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m.edit(data, commit=commit)
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return m
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def get_hash(self):
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return utils.get_meta_hash(self.data.copy())
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def save(self, commit=True, modified=None):
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if modified is None:
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self.modified = datetime.utcnow()
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else:
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self.modified = modified
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state.db.session.add(self)
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if commit:
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state.db.session.commit()
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def edit(self, data, commit=True, modified=None):
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changes = {}
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if 'isbn' in data and isinstance(data['isbn'], list):
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isbns = [utils.to_isbn13(isbn) for isbn in data['isbn']]
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isbns = [isbn for isbn in isbns if isbn]
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if isbns:
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data['isbn'] = isbns[0]
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else:
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del data['isbn']
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for key in data:
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if key == 'id':
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continue
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if data[key] != self.data.get(key):
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self.data[key] = data[key]
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changes[key] = data[key]
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if changes:
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self.data_hash = self.get_hash()
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self.save(commit=commit, modified=modified)
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return changes
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def delete(self):
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state.db.session.delete(self)
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state.db.session.commit()
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def export_list(data):
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with db.session():
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self = List.get(data['list'])
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if not self:
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return
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mode = data.get('mode')
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prefix = data.get('path')
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if mode not in ('add', 'replace'):
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logger.debug('invalid mode %s', mode)
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return
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if not prefix or prefix == '/':
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logger.debug('invalid export path %s', prefix)
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trigger_event('activity', {
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'activity': 'export',
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'path': prefix,
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'progress': [0, 0],
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'status': {'code': 404, 'text': 'invalid export path'}
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})
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return
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root = prefix
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while not os.path.exists(root) and root != '/':
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root = os.path.dirname(root)
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if not os.access(root, os.W_OK):
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logger.debug('can not write to %s', root)
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trigger_event('activity', {
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'activity': 'export',
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'path': prefix,
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'progress': [0, 0],
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|
'path': prefix,
|
|
'status': {'code': 404, 'text': 'permission denied'}
|
|
})
|
|
return
|
|
if os.path.exists(prefix):
|
|
existing_files = set(
|
|
os.path.join(root, f) for root, _, files in os.walk(prefix) for f in files
|
|
)
|
|
else:
|
|
existing_files = set()
|
|
new_files = set()
|
|
count = self.get_items().count()
|
|
n = 1
|
|
for i in self.get_items():
|
|
if i.files.all():
|
|
f = i.files.all()[0]
|
|
source = f.fullpath()
|
|
target = os.path.join(prefix, f.path)
|
|
if mode == 'add':
|
|
p = 1
|
|
parts = target.rsplit('.', 1)
|
|
while os.path.exists(target) and media.get_id(target) != f.sha1:
|
|
target = '.'.join([parts[0], f.sha1[:p], parts[1]])
|
|
p += 1
|
|
ox.makedirs(os.path.dirname(target))
|
|
if os.path.exists(target):
|
|
if mode == 'replace' and media.get_id(target) != f.sha1:
|
|
os.unlink(target)
|
|
shutil.copy2(source, target)
|
|
else:
|
|
shutil.copy2(source, target)
|
|
new_files.add(target)
|
|
trigger_event('activity', {
|
|
'activity': 'export',
|
|
'path': prefix,
|
|
'progress': [n, count]
|
|
})
|
|
n += 1
|
|
if mode == 'replace':
|
|
for f in list(existing_files - new_files):
|
|
os.unlink(f)
|
|
utils.remove_empty_folders(prefix)
|
|
self.export_json(os.path.join(prefix, 'library.json'))
|
|
trigger_event('activity', {
|
|
'activity': 'export',
|
|
'progress': [count, count],
|
|
'path': prefix,
|
|
'status': {'code': 200, 'text': ''},
|
|
})
|
|
|
|
def update_user_peering(user_id, peered, username=None):
|
|
with db.session():
|
|
u = User.get(user_id)
|
|
if u:
|
|
u.update_peering(peered, username)
|
|
|