640 lines
20 KiB
Python
640 lines
20 KiB
Python
# -*- coding: utf-8 -*-
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# vi:si:et:sw=4:sts=4:ts=4
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from __future__ import division
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import os
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import re
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import base64
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import json
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import hashlib
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from datetime import datetime
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from StringIO import StringIO
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import shutil
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import logging
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import Image
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import ox
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import settings
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from settings import db, config
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from person import get_sort_name
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import media
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import meta
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import state
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import utils
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from oxflask.db import MutableDict
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from icons import icons
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from changelog import Changelog
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from websocket import trigger_event
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from utils import remove_empty_folders
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logger = logging.getLogger('oml.item.model')
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class Work(db.Model):
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created = db.Column(db.DateTime())
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modified = db.Column(db.DateTime())
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id = db.Column(db.String(32), primary_key=True)
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meta = db.Column(MutableDict.as_mutable(db.PickleType(pickler=json)))
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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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self.id = id
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self.created = datetime.utcnow()
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self.modified = datetime.utcnow()
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class Edition(db.Model):
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created = db.Column(db.DateTime())
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modified = db.Column(db.DateTime())
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id = db.Column(db.String(32), primary_key=True)
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meta = db.Column(MutableDict.as_mutable(db.PickleType(pickler=json)))
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work_id = db.Column(db.String(32), db.ForeignKey('work.id'))
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work = db.relationship('Work', backref=db.backref('editions', lazy='dynamic'))
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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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self.id = id
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self.created = datetime.utcnow()
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self.modified = datetime.utcnow()
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user_items = db.Table('useritem',
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db.Column('user_id', db.String(43), db.ForeignKey('user.id')),
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db.Column('item_id', db.String(32), db.ForeignKey('item.id'))
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)
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class Item(db.Model):
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created = db.Column(db.DateTime())
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modified = db.Column(db.DateTime())
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id = db.Column(db.String(32), primary_key=True)
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info = db.Column(MutableDict.as_mutable(db.PickleType(pickler=json)))
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meta = db.Column(MutableDict.as_mutable(db.PickleType(pickler=json)))
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added = db.Column(db.DateTime()) # added to local library
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accessed = db.Column(db.DateTime())
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timesaccessed = db.Column(db.Integer())
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transferadded = db.Column(db.DateTime())
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transferprogress = db.Column(db.Float())
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users = db.relationship('User', secondary=user_items,
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backref=db.backref('items', lazy='dynamic'))
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edition_id = db.Column(db.String(32), db.ForeignKey('edition.id'))
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edition = db.relationship('Edition', backref=db.backref('items', lazy='dynamic'))
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work_id = db.Column(db.String(32), db.ForeignKey('work.id'))
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work = db.relationship('Work', backref=db.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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db.session.add(item)
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db.session.commit()
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return item
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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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j['transferadded'] = self.transferadded
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j['transferprogress'] = self.transferprogress
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j['users'] = map(str, list(self.users))
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if self.info:
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j.update(self.info)
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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 + ['primaryid']:
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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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'''
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if self.work_id:
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j['work'] = {
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'olid': self.work_id
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}
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j['work'].update(self.work.meta)
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'''
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if keys:
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for k in j.keys():
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if k not in keys:
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del j[k]
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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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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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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 == 'name':
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if not isinstance(value, list):
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value = [value]
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value = map(get_sort_name, value)
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value = ox.sort_string(u'\n'.join(value))
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elif sort_type == 'title':
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value = utils.sort_title(value).lower()
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else:
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if isinstance(value, list):
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value = u'\n'.join(value)
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if value:
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value = unicode(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 = ''
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setattr(self, 'sort_%s' % key['id'], value)
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def update_find(self):
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def add(k, v):
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f = Find(item_id=self.id, key=k)
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f.findvalue = v.lower().strip()
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f.value = v
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db.session.add(f)
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for key in config['itemKeys']:
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if key.get('find') or key.get('filter') or key.get('type') in [['string'], 'string']:
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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 value:
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Find.query.filter_by(item_id=self.id, key=key['id']).delete()
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if not isinstance(value, list):
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value = [value]
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for v in value:
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add(key['id'], v)
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else:
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f = Find.get(self.id, key['id'])
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if f:
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db.session.delete(f)
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def update_lists(self):
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Find.query.filter_by(item_id=self.id, key='list').delete()
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for p in self.users:
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f = Find()
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f.item_id = self.id
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f.key = 'list'
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if p.id == settings.USER_ID:
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f.value = ':'
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else:
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f.value = '%s:' % p.id
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db.session.add(f)
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for l in self.lists:
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f = Find()
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f.item_id = self.id
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f.key = 'list'
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f.value = l.find_id
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db.session.add(f)
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def update(self):
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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 = map(str, list(self.users))
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self.info['mediastate'] = 'available' # available, unavailable, transferring
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if self.transferadded and self.transferprogress < 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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#fixme: also load metadata for other ids?
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if 'primaryid' in self.meta:
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self.meta.update(Metadata.load(*self.meta['primaryid']))
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self.update_sort()
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self.update_find()
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self.update_lists()
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#self.modified = datetime.utcnow()
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self.save()
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def save(self):
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db.session.add(self)
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db.session.commit()
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meta_keys = ('title', 'author', 'date', 'publisher', 'edition', 'language')
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def update_meta(self, data):
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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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self.meta[key] = data[key]
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record[key] = data[key]
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update = True
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for key in self.meta.keys():
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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()
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self.modified = datetime.utcnow()
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self.save()
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user = state.user()
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if user in self.users:
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Changelog.record(user, 'edititem', self.id, record)
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def update_primaryid(self, key=None, id=None):
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if key is None and id is None:
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if 'primaryid' not in self.meta:
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return
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else:
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key = self.meta['primaryid'][0]
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record = {}
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if id:
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self.meta[key] = id
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self.meta['primaryid'] = [key, id]
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record[key] = id
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else:
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if key in self.meta:
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del self.meta[key]
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if 'primaryid' in self.meta:
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del self.meta['primaryid']
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record[key] = ''
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for k in self.id_keys:
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if k != key:
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if k in self.meta:
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del self.meta[k]
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logger.debug('set primaryid %s %s', key, id)
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# get metadata from external resources
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self.scrape()
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self.update()
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self.update_icons()
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self.modified = datetime.utcnow()
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self.save()
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user = state.user()
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if user in self.users:
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Changelog.record(user, 'edititem', self.id, record)
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def edit_metadata(self, data):
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if 'primaryid' in self.meta:
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m = Metadata.get_or_create(*self.meta['primaryid'])
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m.edit(data)
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m.update_items()
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else:
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self.update_meta(data)
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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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def update_icons(self):
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def get_ratio(data):
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img = Image.open(StringIO(data))
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return img.size[0]/img.size[1]
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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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cover = ox.cache.read_url(self.meta['cover'])
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#covers[self.id] = requests.get(self.meta['cover']).content
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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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if icons[key]:
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del icons[key]
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path = self.get_path()
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key = 'preview:%s'%self.id
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if path:
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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 cover:
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self.info['coverRatio'] = self.info['previewRatio']
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elif cover:
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self.info['previewRatio'] = self.info['coverRatio']
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for key in ('cover', 'preview'):
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key = '%s:%s' % (key, self.id)
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for resolution in (128, 256, 512):
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del icons['%s:%s' % (key, resolution)]
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def scrape(self):
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primaryid = self.meta.get('primaryid')
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logger.debug('scrape %s', primaryid)
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if primaryid:
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m = meta.lookup(*primaryid)
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m['primaryid'] = primaryid
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self.meta = m
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self.update()
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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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logger.debug('queue %s for download', self.id)
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self.transferprogress = 0
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self.transferadded = datetime.utcnow()
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self.users.append(u)
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else:
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logger.debug('%s already queued for download? %s %s', self.id, self.transferprogress, self.transferadded)
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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 = 'Downloads/%s.%s' % (self.id, self.info['extension'])
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f = File.get_or_create(self.id, self.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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if u not in self.users:
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self.users.append(u)
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self.transferprogress = 1
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self.added = datetime.utcnow()
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Changelog.record(u, 'additem', self.id, self.info)
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self.update()
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f.move()
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self.update_icons()
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trigger_event('transfer', {
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'id': self.id, 'progress': 1
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})
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return True
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else:
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logger.debug('TRIED TO SAVE EXISTING FILE!!!')
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self.transferprogress = 1
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self.update()
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return False
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def remove_file(self):
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for f in self.files.all():
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path = f.fullpath()
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logger.debug('remove file %s', path)
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if os.path.exists(path):
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os.unlink(path)
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remove_empty_folders(os.path.dirname(path))
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db.session.delete(f)
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user = state.user()
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if user in self.users:
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self.users.remove(user)
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for l in self.lists.filter_by(user_id=user.id):
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l.items.remove(self)
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db.session.commit()
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if not self.users:
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db.session.delete(self)
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else:
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self.update()
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Changelog.record(user, 'removeitem', self.id)
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for key in config['itemKeys']:
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if key.get('sort'):
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sort_type = key.get('sortType', key['type'])
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if sort_type == 'integer':
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col = db.Column(db.BigInteger(), index=True)
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elif sort_type == 'float':
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col = db.Column(db.Float(), index=True)
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elif sort_type == 'date':
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col = db.Column(db.DateTime(), index=True)
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else:
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col = db.Column(db.String(1000), index=True)
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setattr(Item, 'sort_%s' % key['id'], col)
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Item.id_keys = ['isbn', 'lccn', 'olid', 'oclc', 'asin']
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Item.item_keys = config['itemKeys']
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Item.filter_keys = [k['id'] for k in config['itemKeys'] if k.get('filter')]
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class Find(db.Model):
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id = db.Column(db.Integer(), primary_key=True)
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item_id = db.Column(db.String(32), db.ForeignKey('item.id'))
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item = db.relationship('Item', backref=db.backref('find', lazy='dynamic'))
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key = db.Column(db.String(200), index=True)
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value = db.Column(db.Text())
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findvalue = db.Column(db.Text())
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def __repr__(self):
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return (u'%s=%s' % (self.key, self.findvalue)).encode('utf-8')
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@classmethod
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def get(cls, item, key):
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return cls.query.filter_by(item_id=item, key=key).first()
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@classmethod
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def get_or_create(cls, item, key):
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f = cls.get(item, key)
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if not f:
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f = cls(item_id=item, key=key)
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db.session.add(f)
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db.session.commit()
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return f
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class File(db.Model):
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created = db.Column(db.DateTime())
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modified = db.Column(db.DateTime())
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sha1 = db.Column(db.String(32), primary_key=True)
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path = db.Column(db.String(2048))
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info = db.Column(MutableDict.as_mutable(db.PickleType(pickler=json)))
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item_id = db.Column(db.String(32), db.ForeignKey('item.id'))
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item = db.relationship('Item', backref=db.backref('files', lazy='dynamic'))
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@classmethod
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def get(cls, sha1):
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return cls.query.filter_by(sha1=sha1).first()
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@classmethod
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def get_or_create(cls, sha1, info=None, path=None):
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f = cls.get(sha1)
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if not f:
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f = cls(sha1=sha1)
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if info:
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f.info = info
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if path:
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f.path = path
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f.item_id = Item.get_or_create(id=sha1, info=info).id
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db.session.add(f)
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db.session.commit()
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return f
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def __repr__(self):
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return self.sha1
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def __init__(self, sha1):
|
|
self.sha1 = sha1
|
|
self.created = datetime.utcnow()
|
|
self.modified = datetime.utcnow()
|
|
|
|
def fullpath(self):
|
|
prefs = settings.preferences
|
|
prefix = os.path.join(os.path.expanduser(prefs['libraryPath']), 'Books/')
|
|
return os.path.join(prefix, self.path)
|
|
|
|
def move(self):
|
|
def format_underscores(string):
|
|
return re.sub('^\.|\.$|:|/|\?|<|>', '_', string)
|
|
prefs = settings.preferences
|
|
prefix = os.path.join(os.path.expanduser(prefs['libraryPath']), 'Books/')
|
|
j = self.item.json()
|
|
|
|
current_path = self.fullpath()
|
|
author = '; '.join([ox.canonical_name(a) for a in j.get('author', [])])
|
|
if not author:
|
|
author = 'Unknown Author'
|
|
title = j.get('title', 'Untitled')
|
|
extension = j['extension']
|
|
|
|
if len(title) > 100:
|
|
title = title[:100]
|
|
|
|
title = format_underscores(title)
|
|
author = format_underscores(author)
|
|
|
|
filename = '%s.%s' % (title, extension)
|
|
new_path = os.path.join(author[0].upper(), author, filename)
|
|
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)
|
|
new_path = os.path.join(author[0].upper(), 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()
|
|
|
|
def save(self):
|
|
db.session.add(self)
|
|
db.session.commit()
|
|
|
|
class Metadata(db.Model):
|
|
|
|
created = db.Column(db.DateTime())
|
|
modified = db.Column(db.DateTime())
|
|
|
|
id = db.Column(db.Integer(), primary_key=True)
|
|
|
|
key = db.Column(db.String(256))
|
|
value = db.Column(db.String(256))
|
|
|
|
data = db.Column(MutableDict.as_mutable(db.PickleType(pickler=json)))
|
|
|
|
def __repr__(self):
|
|
return '='.join([self.key, self.value])
|
|
|
|
@property
|
|
def timestamp(self):
|
|
return utils.datetime2ts(self.modified)
|
|
|
|
@classmethod
|
|
def get(cls, key, value):
|
|
return cls.query.filter_by(key=key, value=value).first()
|
|
|
|
@classmethod
|
|
def get_or_create(cls, key, value):
|
|
m = cls.get(key, value)
|
|
if not m:
|
|
m = cls(key=key, value=value)
|
|
m.created = datetime.utcnow()
|
|
m.data = {}
|
|
m.save()
|
|
return m
|
|
|
|
def save(self):
|
|
self.modified = datetime.utcnow()
|
|
db.session.add(self)
|
|
db.session.commit()
|
|
|
|
def reset(self):
|
|
user = state.user()
|
|
Changelog.record(user, 'resetmeta', self.key, self.value)
|
|
db.session.delete(self)
|
|
db.session.commit()
|
|
self.update_items()
|
|
|
|
def edit(self, data):
|
|
changed = {}
|
|
for key in data:
|
|
if key not in data or data[key] != self.data.get(key):
|
|
self.data[key] = data[key]
|
|
changed[key] = data[key]
|
|
if changed:
|
|
self.save()
|
|
user = state.user()
|
|
Changelog.record(user, 'editmeta', self.key, self.value, changed)
|
|
return changed
|
|
|
|
def update_items(self):
|
|
for f in Find.query.filter_by(key=self.key, value=self.value):
|
|
f.item.scrape()
|
|
|
|
@classmethod
|
|
def load(self, key, value):
|
|
m = self.get(key, value)
|
|
if m:
|
|
return m.data
|
|
return {}
|