646 lines
20 KiB
Python
646 lines
20 KiB
Python
# -*- coding: utf-8 -*-
|
|
# vi:si:et:sw=4:sts=4:ts=4
|
|
from __future__ import division
|
|
|
|
import os
|
|
import re
|
|
import base64
|
|
import json
|
|
import hashlib
|
|
from datetime import datetime
|
|
from StringIO import StringIO
|
|
import shutil
|
|
import logging
|
|
|
|
import Image
|
|
import ox
|
|
|
|
from db import MutableDict
|
|
|
|
import settings
|
|
from settings import db, config
|
|
|
|
from person import get_sort_name
|
|
|
|
import media
|
|
import meta
|
|
|
|
import state
|
|
import utils
|
|
|
|
|
|
from icons import icons
|
|
from changelog import Changelog
|
|
from websocket import trigger_event
|
|
from utils import remove_empty_folders
|
|
|
|
logger = logging.getLogger('oml.item.model')
|
|
|
|
|
|
user_items = db.Table('useritem',
|
|
db.Column('user_id', db.String(43), db.ForeignKey('user.id')),
|
|
db.Column('item_id', db.String(32), db.ForeignKey('item.id'))
|
|
)
|
|
|
|
class Item(db.Model):
|
|
|
|
created = db.Column(db.DateTime())
|
|
modified = db.Column(db.DateTime())
|
|
|
|
id = db.Column(db.String(32), primary_key=True)
|
|
|
|
info = db.Column(MutableDict.as_mutable(db.PickleType(pickler=json)))
|
|
meta = db.Column(MutableDict.as_mutable(db.PickleType(pickler=json)))
|
|
|
|
# why is this in db and not in i.e. info?
|
|
added = db.Column(db.DateTime()) # added to local library
|
|
accessed = db.Column(db.DateTime())
|
|
timesaccessed = db.Column(db.Integer())
|
|
|
|
users = db.relationship('User', secondary=user_items,
|
|
backref=db.backref('items', lazy='dynamic'))
|
|
|
|
@property
|
|
def timestamp(self):
|
|
return utils.datetime2ts(self.modified)
|
|
|
|
def __repr__(self):
|
|
return self.id
|
|
|
|
def __init__(self, id):
|
|
if isinstance(id, list):
|
|
id = base64.b32encode(hashlib.sha1(''.join(id)).digest())
|
|
self.id = id
|
|
self.created = datetime.utcnow()
|
|
self.modified = datetime.utcnow()
|
|
self.info = {}
|
|
self.meta = {}
|
|
|
|
@classmethod
|
|
def get(cls, id):
|
|
if isinstance(id, list):
|
|
id = base64.b32encode(hashlib.sha1(''.join(id)).digest())
|
|
return cls.query.filter_by(id=id).first()
|
|
|
|
@classmethod
|
|
def get_or_create(cls, id, info=None):
|
|
if isinstance(id, list):
|
|
id = base64.b32encode(hashlib.sha1(''.join(id)).digest())
|
|
item = cls.query.filter_by(id=id).first()
|
|
if not item:
|
|
item = cls(id=id)
|
|
if info:
|
|
item.info = info
|
|
db.session.add(item)
|
|
db.session.commit()
|
|
return item
|
|
|
|
def json(self, keys=None):
|
|
j = {}
|
|
j['id'] = self.id
|
|
j['created'] = self.created
|
|
j['modified'] = self.modified
|
|
j['timesaccessed'] = self.timesaccessed
|
|
j['accessed'] = self.accessed
|
|
j['added'] = self.added
|
|
t = Transfer.get(self.id)
|
|
if t:
|
|
j['transferadded'] = t.added
|
|
j['transferprogress'] = t.progress
|
|
j['users'] = map(str, list(self.users))
|
|
|
|
if self.info:
|
|
j.update(self.info)
|
|
if self.meta:
|
|
j.update(self.meta)
|
|
|
|
for key in self.id_keys + ['primaryid']:
|
|
if key not in self.meta and key in j:
|
|
del j[key]
|
|
if keys:
|
|
for k in j.keys():
|
|
if k not in keys:
|
|
del j[k]
|
|
return j
|
|
|
|
def get_path(self):
|
|
f = self.files.first()
|
|
return f.fullpath() if f else None
|
|
|
|
def update_sort(self):
|
|
s = Sort.get_or_create(self.id)
|
|
for key in config['itemKeys']:
|
|
if key.get('sort'):
|
|
value = self.json().get(key['id'], None)
|
|
sort_type = key.get('sortType', key['type'])
|
|
if value:
|
|
if sort_type == 'integer':
|
|
value = int(value)
|
|
elif sort_type == 'float':
|
|
value = float(value)
|
|
elif sort_type == 'date':
|
|
pass
|
|
elif sort_type == 'name':
|
|
if not isinstance(value, list):
|
|
value = [value]
|
|
value = map(get_sort_name, value)
|
|
value = ox.sort_string(u'\n'.join(value))
|
|
elif sort_type == 'title':
|
|
value = utils.sort_title(value).lower()
|
|
else:
|
|
if isinstance(value, list):
|
|
value = u'\n'.join(value)
|
|
if value:
|
|
value = unicode(value)
|
|
value = ox.sort_string(value).lower()
|
|
elif isinstance(value, list): #empty list
|
|
value = ''
|
|
setattr(s, key['id'], value)
|
|
db.session.add(s)
|
|
|
|
def update_find(self):
|
|
|
|
def add(k, v):
|
|
f = Find(item_id=self.id, key=k)
|
|
f.findvalue = v.lower().strip()
|
|
f.value = v
|
|
db.session.add(f)
|
|
|
|
for key in config['itemKeys']:
|
|
if key.get('find') or key.get('filter') or key.get('type') in [['string'], 'string']:
|
|
value = self.json().get(key['id'], None)
|
|
if key.get('filterMap') and value:
|
|
value = re.compile(key.get('filterMap')).findall(value)
|
|
if value: value = value[0]
|
|
if value:
|
|
Find.query.filter_by(item_id=self.id, key=key['id']).delete()
|
|
if not isinstance(value, list):
|
|
value = [value]
|
|
for v in value:
|
|
add(key['id'], v)
|
|
else:
|
|
f = Find.get(self.id, key['id'])
|
|
if f:
|
|
db.session.delete(f)
|
|
|
|
def update_lists(self):
|
|
Find.query.filter_by(item_id=self.id, key='list').delete()
|
|
for p in self.users:
|
|
f = Find()
|
|
f.item_id = self.id
|
|
f.key = 'list'
|
|
if p.id == settings.USER_ID:
|
|
f.value = ':'
|
|
else:
|
|
f.value = '%s:' % p.id
|
|
db.session.add(f)
|
|
for l in self.lists:
|
|
f = Find()
|
|
f.item_id = self.id
|
|
f.key = 'list'
|
|
f.value = l.find_id
|
|
db.session.add(f)
|
|
|
|
def update(self):
|
|
for key in ('mediastate', 'coverRatio', 'previewRatio'):
|
|
if key in self.meta:
|
|
if key not in self.info:
|
|
self.info[key] = self.meta[key]
|
|
del self.meta[key]
|
|
users = map(str, list(self.users))
|
|
self.info['mediastate'] = 'available' # available, unavailable, transferring
|
|
t = Transfer.get(self.id)
|
|
if t and t.added and t.progress < 1:
|
|
self.info['mediastate'] = 'transferring'
|
|
else:
|
|
self.info['mediastate'] = 'available' if settings.USER_ID in users else 'unavailable'
|
|
if 'primaryid' in self.meta:
|
|
self.meta.update(Metadata.load(*self.meta['primaryid']))
|
|
self.update_sort()
|
|
self.update_find()
|
|
self.update_lists()
|
|
#self.modified = datetime.utcnow()
|
|
self.save()
|
|
|
|
def save(self):
|
|
db.session.add(self)
|
|
db.session.commit()
|
|
|
|
meta_keys = ('title', 'author', 'date', 'publisher', 'edition', 'language')
|
|
|
|
def update_meta(self, data):
|
|
update = False
|
|
record = {}
|
|
for key in self.meta_keys:
|
|
if key in data:
|
|
self.meta[key] = data[key]
|
|
record[key] = data[key]
|
|
update = True
|
|
for key in self.meta.keys():
|
|
if key not in self.meta_keys:
|
|
del self.meta[key]
|
|
update = True
|
|
if update:
|
|
self.update()
|
|
self.modified = datetime.utcnow()
|
|
self.save()
|
|
user = state.user()
|
|
if user in self.users:
|
|
Changelog.record(user, 'edititem', self.id, record)
|
|
|
|
def update_primaryid(self, key=None, id=None):
|
|
if key is None and id is None:
|
|
if 'primaryid' not in self.meta:
|
|
return
|
|
else:
|
|
key = self.meta['primaryid'][0]
|
|
record = {}
|
|
if id:
|
|
self.meta[key] = id
|
|
self.meta['primaryid'] = [key, id]
|
|
record[key] = id
|
|
else:
|
|
if key in self.meta:
|
|
del self.meta[key]
|
|
if 'primaryid' in self.meta:
|
|
del self.meta['primaryid']
|
|
record[key] = ''
|
|
for k in self.id_keys:
|
|
if k != key:
|
|
if k in self.meta:
|
|
del self.meta[k]
|
|
logger.debug('set primaryid %s %s', key, id)
|
|
|
|
# get metadata from external resources
|
|
self.scrape()
|
|
self.update()
|
|
self.update_icons()
|
|
self.modified = datetime.utcnow()
|
|
self.save()
|
|
user = state.user()
|
|
if user in self.users:
|
|
Changelog.record(user, 'edititem', self.id, record)
|
|
|
|
def edit_metadata(self, data):
|
|
if 'primaryid' in self.meta:
|
|
m = Metadata.get_or_create(*self.meta['primaryid'])
|
|
m.edit(data)
|
|
m.update_items()
|
|
else:
|
|
self.update_meta(data)
|
|
|
|
def extract_preview(self):
|
|
path = self.get_path()
|
|
if path:
|
|
return getattr(media, self.info['extension']).cover(path)
|
|
|
|
def update_icons(self):
|
|
def get_ratio(data):
|
|
img = Image.open(StringIO(data))
|
|
return img.size[0]/img.size[1]
|
|
key = 'cover:%s'%self.id
|
|
cover = None
|
|
if 'cover' in self.meta and self.meta['cover']:
|
|
cover = ox.cache.read_url(self.meta['cover'])
|
|
#covers[self.id] = requests.get(self.meta['cover']).content
|
|
if cover:
|
|
icons[key] = cover
|
|
self.info['coverRatio'] = get_ratio(cover)
|
|
else:
|
|
if icons[key]:
|
|
del icons[key]
|
|
path = self.get_path()
|
|
key = 'preview:%s'%self.id
|
|
if path:
|
|
preview = self.extract_preview()
|
|
if preview:
|
|
icons[key] = preview
|
|
self.info['previewRatio'] = get_ratio(preview)
|
|
if not cover:
|
|
self.info['coverRatio'] = self.info['previewRatio']
|
|
elif cover:
|
|
self.info['previewRatio'] = self.info['coverRatio']
|
|
for key in ('cover', 'preview'):
|
|
key = '%s:%s' % (key, self.id)
|
|
for resolution in (128, 256, 512):
|
|
del icons['%s:%s' % (key, resolution)]
|
|
|
|
def scrape(self):
|
|
primaryid = self.meta.get('primaryid')
|
|
logger.debug('scrape %s', primaryid)
|
|
if primaryid:
|
|
m = meta.lookup(*primaryid)
|
|
m['primaryid'] = primaryid
|
|
self.meta = m
|
|
self.update()
|
|
|
|
def queue_download(self):
|
|
u = state.user()
|
|
t = Transfer.get_or_create(self.id)
|
|
if not u in self.users:
|
|
logger.debug('queue %s for download', self.id)
|
|
self.users.append(u)
|
|
else:
|
|
logger.debug('%s already queued for download? %s %s', self.id, t.progress, t.added)
|
|
|
|
def save_file(self, content):
|
|
u = state.user()
|
|
f = File.get(self.id)
|
|
content_id = media.get_id(data=content)
|
|
if content_id != self.id:
|
|
logger.debug('INVALID CONTENT %s vs %s', self.id, content_id)
|
|
return False
|
|
if not f:
|
|
path = 'Downloads/%s.%s' % (self.id, self.info['extension'])
|
|
f = File.get_or_create(self.id, self.info, path=path)
|
|
path = self.get_path()
|
|
if not os.path.exists(path):
|
|
ox.makedirs(os.path.dirname(path))
|
|
with open(path, 'wb') as fd:
|
|
fd.write(content)
|
|
if u not in self.users:
|
|
self.users.append(u)
|
|
t = Transfer.get_or_create(self.id)
|
|
t.progress = 1
|
|
t.save()
|
|
self.added = datetime.utcnow()
|
|
Changelog.record(u, 'additem', self.id, self.info)
|
|
self.update()
|
|
f.move()
|
|
self.update_icons()
|
|
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()
|
|
logger.debug('remove file %s', path)
|
|
if os.path.exists(path):
|
|
os.unlink(path)
|
|
remove_empty_folders(os.path.dirname(path))
|
|
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)
|
|
db.session.commit()
|
|
if not self.users:
|
|
db.session.delete(self)
|
|
else:
|
|
self.update()
|
|
Changelog.record(user, 'removeitem', self.id)
|
|
|
|
class Sort(db.Model):
|
|
item_id = db.Column(db.String(32), db.ForeignKey('item.id'), primary_key=True)
|
|
item = db.relationship('Item', backref=db.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)
|
|
db.session.add(f)
|
|
db.session.commit()
|
|
return f
|
|
|
|
for key in config['itemKeys']:
|
|
if key.get('sort'):
|
|
sort_type = key.get('sortType', key['type'])
|
|
if sort_type == 'integer':
|
|
col = db.Column(db.BigInteger(), index=True)
|
|
elif sort_type == 'float':
|
|
col = db.Column(db.Float(), index=True)
|
|
elif sort_type == 'date':
|
|
col = db.Column(db.DateTime(), index=True)
|
|
else:
|
|
col = db.Column(db.String(1000), index=True)
|
|
setattr(Sort, '%s' % key['id'], col)
|
|
|
|
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')]
|
|
|
|
class Find(db.Model):
|
|
id = db.Column(db.Integer(), primary_key=True)
|
|
item_id = db.Column(db.String(32), db.ForeignKey('item.id'))
|
|
item = db.relationship('Item', backref=db.backref('find', lazy='dynamic'))
|
|
key = db.Column(db.String(200), index=True)
|
|
value = db.Column(db.Text())
|
|
findvalue = db.Column(db.Text())
|
|
|
|
def __repr__(self):
|
|
return (u'%s=%s' % (self.key, self.findvalue)).encode('utf-8')
|
|
|
|
@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)
|
|
db.session.add(f)
|
|
db.session.commit()
|
|
return f
|
|
|
|
class File(db.Model):
|
|
|
|
created = db.Column(db.DateTime())
|
|
modified = db.Column(db.DateTime())
|
|
|
|
sha1 = db.Column(db.String(32), primary_key=True)
|
|
path = db.Column(db.String(2048))
|
|
|
|
info = db.Column(MutableDict.as_mutable(db.PickleType(pickler=json)))
|
|
|
|
item_id = db.Column(db.String(32), db.ForeignKey('item.id'))
|
|
item = db.relationship('Item', backref=db.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
|
|
db.session.add(f)
|
|
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.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 Transfer(db.Model):
|
|
|
|
item_id = db.Column(db.String(32), db.ForeignKey('item.id'), primary_key=True)
|
|
item = db.relationship('Item', backref=db.backref('transfer', lazy='dynamic'))
|
|
|
|
added = db.Column(db.DateTime())
|
|
progress = db.Column(db.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):
|
|
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 {}
|