840 lines
29 KiB
Python
840 lines
29 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 base64
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import hashlib
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import json
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import os
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import re
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import shutil
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import stat
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import unicodedata
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import ox
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from sqlalchemy.orm import load_only
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from sqlalchemy.schema import CreateTable
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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 json_pickler
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from .icons import icons
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from .person import get_sort_name, Person
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from queryparser import Parser
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from settings import config
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from utils import remove_empty_folders, get_ratio
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from websocket import trigger_event
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import db
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import media
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#import metaremote as meta
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import meta
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import settings
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import state
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import utils
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import logging
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logger = logging.getLogger(__name__)
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user_items = sa.Table('useritem', db.metadata,
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sa.Column('user_id', sa.String(43), sa.ForeignKey('user.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 Item(db.Model):
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__tablename__ = 'item'
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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(32), primary_key=True)
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info = sa.Column(MutableDict.as_mutable(sa.PickleType(pickler=json_pickler)))
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meta = sa.Column(MutableDict.as_mutable(sa.PickleType(pickler=json_pickler)))
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# why is this in db and not in i.e. info?
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added = sa.Column(sa.DateTime()) # added to local library
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accessed = sa.Column(sa.DateTime())
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timesaccessed = sa.Column(sa.Integer())
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users = sa.orm.relationship('User', secondary=user_items,
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backref=sa.orm.backref('items', lazy='dynamic'))
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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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def __repr__(self):
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return self.id
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def __init__(self, id):
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if isinstance(id, list):
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id = base64.b32encode(hashlib.sha1(''.join(id)).digest())
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self.id = id
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self.created = datetime.utcnow()
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self.modified = datetime.utcnow()
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self.info = {}
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self.meta = {}
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@classmethod
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def get(cls, id):
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if isinstance(id, list):
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id = base64.b32encode(hashlib.sha1(''.join(id)).digest())
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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, info=None):
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if isinstance(id, list):
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id = base64.b32encode(hashlib.sha1(''.join(id)).digest())
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item = cls.query.filter_by(id=id).first()
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if not item:
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item = cls(id=id)
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if info:
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item.info = info
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state.db.session.add(item)
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state.db.session.commit()
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return item
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@classmethod
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def find(cls, data):
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return Parser(cls, user_items, Find, Sort).find(data)
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def add_user(self, user):
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if not user in self.users:
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self.users.append(user)
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l = user.library
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if not self in l.items:
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l.items.append(self)
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state.db.session.add(l)
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def json(self, keys=None):
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j = {}
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j['id'] = self.id
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j['created'] = self.created
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j['modified'] = self.modified
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j['timesaccessed'] = self.timesaccessed
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j['accessed'] = self.accessed
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j['added'] = self.added
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t = Transfer.get(self.id)
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if t:
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j['transferadded'] = t.added
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j['transferprogress'] = t.progress
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# unused and slow
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#j['users'] = list(map(str, list(self.users)))
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if self.info:
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meta_keys = [k for k in self.meta_keys if k != 'pages']
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for key in self.info:
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if (not keys or key in keys) and key not in meta_keys:
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j[key] = self.info[key]
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if self.meta:
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j.update(self.meta)
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for key in self.id_keys:
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if key not in self.meta and key in j:
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del j[key]
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if keys:
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for k in list(j):
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if k not in keys:
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del j[k]
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for key in self.array_keys:
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if key in j and not isinstance(j[key], list):
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j[key] = [j[key]]
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j['sharemetadata'] = j.get('sharemetadata', False)
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return j
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def get_path(self):
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f = self.files.first()
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return f.fullpath() if f else None
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def update_sort(self):
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update = False
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s = Sort.get_or_create(self.id)
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for key in config['itemKeys']:
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if key.get('sort'):
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value = self.json().get(key['id'], None)
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sort_type = key.get('sortType', key['type'])
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if value:
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if sort_type == 'integer':
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if isinstance(value, str):
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value = int(re.sub('[^0-9]', '', value))
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else:
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value = int(value)
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elif sort_type == 'float':
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value = float(value)
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elif sort_type == 'date':
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pass
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elif sort_type == 'person':
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if not isinstance(value, list):
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value = [value]
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value = list(map(get_sort_name, value))
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value = ox.sort_string('\n'.join(value)).lower()
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elif sort_type == 'title':
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value = self.get_sorttitle().lower()
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value = utils.sort_title(value)
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elif sort_type == 'boolean':
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pass
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else:
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if isinstance(value, list):
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value = '\n'.join(value)
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if value:
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value = str(value)
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value = ox.sort_string(value).lower()
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elif isinstance(value, list): #empty list
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value = None
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if not value and sort_type != 'boolean':
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value = None
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if getattr(s, key['id']) != value:
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setattr(s, key['id'], value)
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update = True
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if update:
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state.db.session.add(s)
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def update_find(self):
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def add(k, v):
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f = Find.query.filter_by(item_id=self.id, key=k, value=v).first()
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if not f:
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f = Find(item_id=self.id, key=k)
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if f.value != v:
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f.findvalue = unicodedata.normalize('NFKD', v).lower()
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f.value = v
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if k in self.filter_keys:
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sort_type = utils.get_by_id(settings.config['itemKeys'], k).get('sortType')
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if sort_type == 'person':
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f.sortvalue = get_sort_name(f.value)
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else:
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f.sortvalue = f.value
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if f.sortvalue:
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f.sortvalue = ox.sort_string(unicodedata.normalize('NFKD', f.sortvalue)).lower()
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else:
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f.sortvalue = None
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state.db.session.add(f)
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keys = []
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for key in config['itemKeys']:
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if key.get('find') or \
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key.get('filter') or key.get('type') in [['string'], 'string'] or \
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(key.get('type') == 'boolean' and key.get('sort')):
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value = self.json().get(key['id'], None)
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if key.get('filterMap') and value:
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value = re.compile(key.get('filterMap')).findall(value)
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if value: value = value[0]
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if key.get('type') == 'boolean':
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value = True if value else False
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value = str(value).lower()
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if value:
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keys.append(key['id'])
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if isinstance(value, dict):
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value = ' '.join(list(value.values()))
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if not isinstance(value, list):
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value = [value]
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value = [
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v.decode('utf-8') if isinstance(v, bytes) else v
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for v in value
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]
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for v in value:
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add(key['id'], v)
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for f in Find.query.filter_by(item_id=self.id,
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key=key['id']).filter(Find.value.notin_(value)):
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state.db.session.delete(f)
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for f in Find.query.filter_by(item_id=self.id).filter(Find.key.notin_(keys)):
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state.db.session.delete(f)
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def update(self, modified=None):
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for key in ('mediastate', 'coverRatio', 'previewRatio'):
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if key in self.meta:
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if key not in self.info:
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self.info[key] = self.meta[key]
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del self.meta[key]
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users = list(map(str, list(self.users)))
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self.info['mediastate'] = 'available' # available, unavailable, transferring
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t = Transfer.get(self.id)
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if t and t.added and t.progress < 1:
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self.info['mediastate'] = 'transferring'
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else:
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self.info['mediastate'] = 'available' if settings.USER_ID in users else 'unavailable'
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if modified:
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self.modified = modified
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else:
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self.modified = datetime.utcnow()
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self.update_sort()
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self.update_find()
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self.save()
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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 delete(self, commit=True):
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Sort.query.filter_by(item_id=self.id).delete()
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Transfer.query.filter_by(item_id=self.id).delete()
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state.db.session.delete(self)
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icons.clear('cover:%s' % self.id)
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icons.clear('preview:%s' % self.id)
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if commit:
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state.db.session.commit()
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meta_keys = (
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'author',
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'categories',
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'cover',
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'date',
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'description',
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'edition',
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'isbn',
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'language',
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'pages',
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'place',
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'publisher',
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'series',
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'sharemetadata',
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'tableofcontents',
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'title',
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'sorttitle'
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)
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def update_metadata(self, data, modified=None):
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update = False
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record = {}
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for key in self.meta_keys:
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if key in data:
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if self.meta.get(key) != data[key]:
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record[key] = data[key]
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self.meta[key] = data[key]
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update = True
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for key in list(self.meta):
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if key not in self.meta_keys:
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del self.meta[key]
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update = True
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if update:
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self.update(modified)
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self.save()
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if 'cover' in record:
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self.update_cover()
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user = state.user()
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if record and user in self.users:
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Changelog.record(user, 'edititem', self.id, record, _ts=modified)
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if 'sharemetadata' in record and not record['sharemetadata']:
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self.sync_metadata()
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def edit(self, data, modified=None):
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self.update_metadata(data, modified)
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for f in self.files.all():
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f.move()
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def get_hash(self):
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return utils.get_meta_hash(self.meta.copy())
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def get_sorttitle(self):
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title = self.meta.get('sorttitle')
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if title is None:
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title = self.meta.get('title', 'Untitled')
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title = ox.get_sort_title(title)
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return title
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def sync_metadata(self):
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from user.models import Metadata
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if self.meta.get('sharemetadata'):
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return
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peers = [u for u in self.users if u.id != settings.USER_ID]
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def peer_sort(u):
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info = u.json()
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return ox.sort_string(str(info.get('index', ''))
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+ 'Z' + (info.get('name') or ''))
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peers.sort(key=peer_sort)
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sync_from = None
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first_peer = None
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# get first peer with sharemetadata set
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for u in peers:
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m = Metadata.get(u.id, self.id)
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if m:
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if m.data.get('sharemetadata'):
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sync_from = m
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break
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if not first_peer:
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first_peer = m
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# of fall back to first peer that has this item
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# in case its not available locally
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if not sync_from and self.info.get('mediastate') != 'available' and first_peer:
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#logger.debug('syncing from first peer that has item %s', first_peer)
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sync_from = first_peer
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if sync_from:
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if self.get_hash() != sync_from.data_hash:
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logger.debug('update %s with metadata from %s', self, sync_from.user_id)
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record = {}
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for key in sync_from.data:
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if key != 'sharemetadata' and self.meta.get(key) != sync_from.data[key]:
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record[key] = self.meta[key] = sync_from.data[key]
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for key in set(self.meta)-set(sync_from.data):
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record[key] = self.meta[key] = [] if key in self.array_keys else ''
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self.update(sync_from.modified)
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self.save()
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user = state.user()
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if record and user in self.users:
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Changelog.record(user, 'edititem', self.id, record, _ts=self.modified)
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if 'cover' in record:
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self.update_cover()
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def extract_preview(self):
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path = self.get_path()
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if path:
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return getattr(media, self.info['extension']).cover(path)
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else:
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for u in self.users:
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if u.id != settings.USER_ID:
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if state.nodes.download_preview(u.id, self.id):
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break
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def update_cover(self):
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logger.debug('%s update cover', self.id)
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key = 'cover:%s'%self.id
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cover = None
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if 'cover' in self.meta and self.meta['cover']:
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logger.debug('download cover %s %s', self.id, self.meta['cover'])
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try:
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cover = ox.cache.read_url(self.meta['cover'])
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except:
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logger.debug('unable to read cover url %s', self.meta['cover'])
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cover = None
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if cover:
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icons[key] = cover
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self.info['coverRatio'] = get_ratio(cover)
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else:
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del icons[key]
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if not cover:
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if 'previewRatio' in self.info:
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self.info['coverRatio'] = self.info['previewRatio']
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elif 'coverRatio' in self.info:
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del self.info['coverRatio']
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icons.clear('cover:%s:' % self.id)
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logger.debug('%s update_cover done', self.id)
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def get_preview(self):
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key = 'preview:%s'%self.id
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data = icons[key]
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if not data:
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preview = self.extract_preview()
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if preview:
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icons[key] = preview
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def update_preview(self):
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logger.debug('%s update_preview', self.id)
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key = 'preview:%s'%self.id
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preview = self.extract_preview()
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if preview:
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icons[key] = preview
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self.info['previewRatio'] = get_ratio(preview)
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if not 'coverRatio' in self.info:
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self.info['coverRatio'] = self.info['previewRatio']
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else:
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del icons[key]
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if 'previewRatio' in self.info:
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del self.info['previewRatio']
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if not preview:
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if 'coverRatio' in self.info:
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self.info['previewRatio'] = self.info['coverRatio']
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elif 'previewRatio' in self.info:
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del self.info['previewRatio']
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icons.clear('preview:%s:' % self.id)
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logger.debug('%s update_preview done', self.id)
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def update_icons(self):
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self.update_cover()
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self.update_preview()
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def load_metadata(self):
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'''
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load metadata from user_metadata or get via isbn?
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'''
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for key in self.meta_keys:
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if key in self.info:
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if key not in self.meta:
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self.meta[key] = self.info[key]
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if key != 'pages':
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del self.info[key]
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#FIXME get from user_meta
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if state.online:
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if 'isbn' in self.meta:
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data = meta.lookup('isbn', self.meta['isbn'])
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if data:
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for key in data:
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self.meta[key] = data[key]
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def queue_download(self):
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u = state.user()
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if not u in self.users:
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t = Transfer.get_or_create(self.id)
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if not t.added:
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t.added = datetime.utcnow()
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t.progress = 0
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t.save()
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logger.debug('queue %s for download', self.id)
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self.add_user(u)
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def save_file(self, content):
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u = state.user()
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f = File.get(self.id)
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content_id = media.get_id(data=content)
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if content_id != self.id:
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logger.debug('INVALID CONTENT %s vs %s', self.id, content_id)
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return False
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if not f:
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path = '.import/%s.%s' % (self.id, self.info['extension'])
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info = self.info.copy()
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for key in ('mediastate', 'coverRatio', 'previewRatio'):
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if key in info:
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del info[key]
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f = File.get_or_create(self.id, info, path=path)
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path = self.get_path()
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if not os.path.exists(path):
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ox.makedirs(os.path.dirname(path))
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with open(path, 'wb') as fd:
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fd.write(content)
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f.info = media.metadata(path)
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f.save()
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for key in ('tableofcontents', ):
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if key not in self.meta and key in f.info:
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self.meta[key] = f.info[key]
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if u not in self.users:
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self.add_user(u)
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t = Transfer.get_or_create(self.id)
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t.progress = 1
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t.save()
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self.added = datetime.utcnow()
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Changelog.record(u, 'additem', self.id, f.info)
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Changelog.record(u, 'edititem', self.id, self.meta)
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self.update()
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f.move()
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self.update_icons()
|
|
self.save()
|
|
trigger_event('transfer', {
|
|
'id': self.id, 'progress': 1
|
|
})
|
|
return True
|
|
else:
|
|
logger.debug('TRIED TO SAVE EXISTING FILE!!!')
|
|
t = Transfer.get_or_create(self.id)
|
|
t.progress = 1
|
|
t.save()
|
|
self.update()
|
|
return False
|
|
|
|
def remove_file(self):
|
|
for f in self.files.all():
|
|
path = f.fullpath()
|
|
if os.path.exists(path):
|
|
os.unlink(path)
|
|
remove_empty_folders(os.path.dirname(path))
|
|
state.db.session.delete(f)
|
|
user = state.user()
|
|
if user in self.users:
|
|
self.users.remove(user)
|
|
for l in self.lists.filter_by(user_id=user.id):
|
|
l.items.remove(self)
|
|
if self.meta.get('sharemetadata'):
|
|
self.meta['sharemetadata'] = False
|
|
if not self.users:
|
|
self.delete()
|
|
else:
|
|
self.added = None
|
|
self.update()
|
|
Transfer.query.filter_by(item_id=self.id).delete()
|
|
Changelog.record(user, 'removeitem', self.id)
|
|
|
|
class Sort(db.Model):
|
|
__tablename__ = 'sort'
|
|
|
|
item_id = sa.Column(sa.String(32), sa.ForeignKey('item.id'), primary_key=True)
|
|
item = sa.orm.relationship('Item', backref=sa.orm.backref('sort', lazy='dynamic'))
|
|
|
|
def __repr__(self):
|
|
return '%s_sort' % self.item_id
|
|
|
|
@classmethod
|
|
def get(cls, item_id):
|
|
return cls.query.filter_by(item_id=item_id).first()
|
|
|
|
@classmethod
|
|
def get_or_create(cls, item_id):
|
|
f = cls.get(item_id)
|
|
if not f:
|
|
f = cls(item_id=item_id)
|
|
state.db.session.add(f)
|
|
state.db.session.commit()
|
|
return f
|
|
|
|
Item.sort_keys = []
|
|
for key in config['itemKeys']:
|
|
if key.get('sort'):
|
|
sort_type = key.get('sortType', key['type'])
|
|
if sort_type == 'integer':
|
|
col = sa.Column(sa.BigInteger(), index=True)
|
|
elif sort_type == 'float':
|
|
col = sa.Column(sa.Float(), index=True)
|
|
elif sort_type == 'date':
|
|
col = sa.Column(sa.DateTime(), index=True)
|
|
elif sort_type == 'boolean':
|
|
col = sa.Column(sa.Boolean(), index=True)
|
|
else:
|
|
col = sa.Column(sa.String(1000), index=True)
|
|
setattr(Sort, '%s' % key['id'], col)
|
|
Item.sort_keys.append(key['id'])
|
|
|
|
Item.id_keys = ['isbn', 'lccn', 'olid', 'oclc', 'asin']
|
|
Item.item_keys = config['itemKeys']
|
|
Item.filter_keys = [k['id'] for k in config['itemKeys'] if k.get('filter')]
|
|
Item.array_keys = [k['id'] for k in config['itemKeys'] if isinstance(k['type'], list)]
|
|
|
|
class Find(db.Model):
|
|
__tablename__ = 'find'
|
|
|
|
id = sa.Column(sa.Integer(), primary_key=True)
|
|
item_id = sa.Column(sa.String(32), sa.ForeignKey('item.id'))
|
|
item = sa.orm.relationship('Item', backref=sa.orm.backref('find_', lazy='dynamic'))
|
|
key = sa.Column(sa.String(200), index=True)
|
|
value = sa.Column(sa.Text())
|
|
findvalue = sa.Column(sa.Text(), index=True)
|
|
sortvalue = sa.Column(sa.Text())
|
|
|
|
def __repr__(self):
|
|
return '%s=%s' % (self.key, self.findvalue)
|
|
|
|
@classmethod
|
|
def get(cls, item, key):
|
|
return cls.query.filter_by(item_id=item, key=key).first()
|
|
|
|
@classmethod
|
|
def get_or_create(cls, item, key):
|
|
f = cls.get(item, key)
|
|
if not f:
|
|
f = cls(item_id=item, key=key)
|
|
state.db.session.add(f)
|
|
state.db.session.commit()
|
|
return f
|
|
|
|
class File(db.Model):
|
|
__tablename__ = 'file'
|
|
|
|
created = sa.Column(sa.DateTime())
|
|
modified = sa.Column(sa.DateTime())
|
|
|
|
sha1 = sa.Column(sa.String(32), primary_key=True)
|
|
path = sa.Column(sa.String(2048))
|
|
|
|
info = sa.Column(MutableDict.as_mutable(sa.PickleType(pickler=json_pickler)))
|
|
|
|
item_id = sa.Column(sa.String(32), sa.ForeignKey('item.id'))
|
|
item = sa.orm.relationship('Item', backref=sa.orm.backref('files', lazy='dynamic'))
|
|
|
|
@classmethod
|
|
def get(cls, sha1):
|
|
return cls.query.filter_by(sha1=sha1).first()
|
|
|
|
@classmethod
|
|
def get_or_create(cls, sha1, info=None, path=None):
|
|
f = cls.get(sha1)
|
|
if not f:
|
|
f = cls(sha1=sha1)
|
|
if info:
|
|
f.info = info
|
|
if path:
|
|
f.path = path
|
|
f.item_id = Item.get_or_create(id=sha1, info=info).id
|
|
state.db.session.add(f)
|
|
state.db.session.commit()
|
|
return f
|
|
|
|
def __repr__(self):
|
|
return self.sha1
|
|
|
|
def __init__(self, sha1):
|
|
self.sha1 = sha1
|
|
self.created = datetime.utcnow()
|
|
self.modified = datetime.utcnow()
|
|
|
|
def fullpath(self):
|
|
prefs = settings.preferences
|
|
prefix = os.sep.join(os.path.join(os.path.expanduser(prefs['libraryPath']), 'Books/').split('/'))
|
|
return os.path.join(prefix, self.path)
|
|
|
|
def make_readonly(self):
|
|
current_path = self.fullpath()
|
|
if os.path.exists(current_path):
|
|
mode = os.stat(current_path)[stat.ST_MODE]
|
|
readonly = mode & ~stat.S_IWUSR & ~stat.S_IWGRP & ~stat.S_IWOTH
|
|
if mode != readonly:
|
|
os.chmod(current_path, readonly)
|
|
|
|
def move(self):
|
|
def format_underscores(string):
|
|
return re.sub('^\.|\.$|:|/|\?|<|>', '_', string)
|
|
prefs = settings.preferences
|
|
prefix = os.sep.join(os.path.join(os.path.expanduser(prefs['libraryPath']), 'Books/').split('/'))
|
|
j = self.item.json()
|
|
|
|
current_path = self.fullpath()
|
|
if not os.path.exists(current_path):
|
|
logger.debug('file is missing. %s', current_path)
|
|
return
|
|
|
|
self.make_readonly()
|
|
|
|
author = '; '.join([get_sort_name(a) for a in j.get('author', [])])
|
|
if not author:
|
|
author = 'Unknown Author'
|
|
if ' (Ed.)' in author:
|
|
author = author.replace(' (Ed.)', '') + ' (Ed.)'
|
|
if len(author) > 255:
|
|
author = 'Various Authors'
|
|
title = j.get('title', 'Untitled')
|
|
extension = j['extension']
|
|
|
|
if len(title) > 100:
|
|
title = title[:100]
|
|
|
|
title = format_underscores(title)
|
|
author = format_underscores(author)
|
|
publisher = j.get('publisher')
|
|
if publisher:
|
|
extra = ', '.join(publisher)
|
|
else:
|
|
extra = ''
|
|
date = j.get('date')
|
|
if date and len(date) >= 4:
|
|
extra += ' ' + date[:4]
|
|
if extra:
|
|
extra = format_underscores(extra)
|
|
title = '%s (%s)' % (title, extra.strip())
|
|
filename = '%s.%s' % (title, extension)
|
|
first = unicodedata.normalize('NFD', author[0].upper())[0].upper()
|
|
new_path = os.path.join(first, author, filename)
|
|
new_path = new_path.replace('\x00', '')
|
|
new_path = ox.decode_html(new_path)
|
|
if self.path == new_path:
|
|
return
|
|
h = ''
|
|
while os.path.exists(os.path.join(prefix, new_path)):
|
|
h = self.sha1[:len(h)+1]
|
|
filename = '%s.%s.%s' % (title, h, extension)
|
|
first = unicodedata.normalize('NFD', author[0].upper())[0].upper()
|
|
new_path = os.path.join(first, author, filename)
|
|
if current_path == os.path.join(prefix, new_path):
|
|
break
|
|
if self.path != new_path:
|
|
path = os.path.join(prefix, new_path)
|
|
ox.makedirs(os.path.dirname(path))
|
|
shutil.move(current_path, path)
|
|
self.path = new_path
|
|
self.save()
|
|
for folder in set(os.path.dirname(p) for p in [current_path, path]):
|
|
remove_empty_folders(folder)
|
|
|
|
def save(self):
|
|
state.db.session.add(self)
|
|
state.db.session.commit()
|
|
|
|
|
|
class Transfer(db.Model):
|
|
__tablename__ = 'transfer'
|
|
|
|
item_id = sa.Column(sa.String(32), sa.ForeignKey('item.id'), primary_key=True)
|
|
item = sa.orm.relationship('Item', backref=sa.orm.backref('transfer', lazy='dynamic'))
|
|
|
|
added = sa.Column(sa.DateTime())
|
|
progress = sa.Column(sa.Float())
|
|
|
|
def __repr__(self):
|
|
return '='.join(map(str, [self.item_id, self.progress]))
|
|
|
|
@classmethod
|
|
def get(cls, item_id):
|
|
return cls.query.filter_by(item_id=item_id).first()
|
|
|
|
@classmethod
|
|
def get_or_create(cls, item_id):
|
|
t = cls.get(item_id)
|
|
if not t:
|
|
t = cls(item_id=item_id)
|
|
t.added = datetime.utcnow()
|
|
t.progress = 0
|
|
t.save()
|
|
return t
|
|
|
|
def save(self):
|
|
state.db.session.add(self)
|
|
state.db.session.commit()
|
|
|
|
def remove_unused_names():
|
|
used = list(set(
|
|
get_sort_name(a)
|
|
for i in Item.query
|
|
for a in i.meta.get('author', [])
|
|
))
|
|
for p in Person.query.filter(Person.sortname.notin_(used)):
|
|
state.db.session.delete(p)
|
|
state.db.session.commit()
|
|
|
|
def update_sort_table():
|
|
current = db.get_table_columns('sort')
|
|
drop_columns = list(set(current) - set(Item.sort_keys+['item_id']))
|
|
if drop_columns:
|
|
db.drop_columns('sort', drop_columns)
|
|
add_columns = list(set(Item.sort_keys)-set(current+['item_id']))
|
|
if add_columns:
|
|
create_table = str(CreateTable(Sort.__table__).compile(db.engine)).split('\n')
|
|
sql = []
|
|
for col in add_columns:
|
|
add = [r for r in create_table if '\t%s ' % col in r][0].strip()[:-1]
|
|
sql.append('ALTER TABLE sort ADD '+add)
|
|
sql.append('CREATE INDEX ix_sort_{col} ON sort ({col})'.format(col=col))
|
|
with db.session() as s:
|
|
for q in sql:
|
|
s.connection().execute(q)
|
|
s.commit()
|
|
layout = db.get_layout()
|
|
sort_indexes = [i[len('ix_sort_'):] for i in layout['indexes'] if i.startswith('ix_sort_')]
|
|
sql = []
|
|
for col in set(Item.sort_keys)-set(sort_indexes):
|
|
sql.append('CREATE INDEX ix_sort_{col} ON sort ({col})'.format(col=col))
|
|
if not 'sortvalue' in db.get_table_columns('find'):
|
|
create_table = str(CreateTable(Find.__table__).compile(db.engine)).split('\n')
|
|
col = 'sortvalue'
|
|
add = [r for r in create_table if '\t%s ' % col in r][0].strip()[:-1]
|
|
sql.append('ALTER TABLE find ADD '+add)
|
|
if sql:
|
|
with db.session() as s:
|
|
for q in sql:
|
|
s.connection().execute(q)
|
|
s.commit()
|
|
|
|
|
|
def get_preview(id):
|
|
#logger.debug('get_preview(%s)', id)
|
|
with db.session():
|
|
i = Item.get(id)
|
|
if i:
|
|
i.get_preview()
|
|
|
|
def sync_metadata(ids=None):
|
|
#logger.debug('sync_metadata(%s)', len(ids) if len(ids) > 10 else ids)
|
|
step = 1000
|
|
delay = 10
|
|
with db.session():
|
|
if not ids:
|
|
ids = [i.id for i in Item.query.options(load_only('id'))]
|
|
if len(ids) > step:
|
|
later = ids[step:]
|
|
ids = ids[:step]
|
|
else:
|
|
later = []
|
|
if ids:
|
|
for i in Item.query.filter(Item.id.in_(ids)):
|
|
i.sync_metadata()
|
|
if later:
|
|
if state.main and state.tasks:
|
|
state.main.call_later(delay, lambda: state.tasks.queue('syncmetadata', later))
|
|
#else:
|
|
# logger.debug('sync_metadata done')
|