382 lines
11 KiB
Python
382 lines
11 KiB
Python
# -*- coding: utf-8 -*-
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import json
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import hashlib
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import os
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import unicodedata
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from sqlalchemy.orm import load_only
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from sqlalchemy.sql.expression import text, column
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from sqlalchemy import func
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from oxtornado import actions
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import utils # utils must be imported before websocket to avoid loop
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from websocket import trigger_event
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import meta
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from . import models
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from . import query
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import settings
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import state
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from . import person_api
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from . import title_api
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import logging
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logger = logging.getLogger(__name__)
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def find(data):
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'''
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takes {
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query {
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conditions [{}]
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operator string
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}
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group string
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keys [string]
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sort [{}]
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range [int, int]
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}
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'''
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response = {}
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q = query.parse(data)
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if 'group' in q:
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names = {}
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groups = {}
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sortvalues = {}
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_keydata = data.copy()
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for key in ('range', 'position', 'positions'):
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if key in _keydata:
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del _keydata[key]
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key = 'group:' + hashlib.sha1(json.dumps(_keydata, sort_keys=True).encode('utf-8')).hexdigest()
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g = state.cache.get(key)
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if g is None:
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state.cache.lock(key)
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if data.get('query', {}).get('conditions'):
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items = q['qs'].options(load_only('id'))
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else:
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items = None
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qs = models.Find.query.filter_by(key=q['group'])
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if items is None or items.first():
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if items is not None:
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ids = [i[0] for i in items.with_entities(column('id'))]
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qs = qs.filter(models.Find.item_id.in_(ids))
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values = list(qs.values(
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column('value'),
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column('findvalue'),
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column('sortvalue'),
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))
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for f in values:
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value = f[0]
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findvalue = f[1]
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sortvalue = f[2]
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if findvalue not in groups:
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groups[findvalue] = 0
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groups[findvalue] += 1
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names[findvalue] = value
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sortvalues[value] = sortvalue
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g = [{'name': names[k], 'items': groups[k]} for k in groups]
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else:
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g = []
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if 'sort' in q:
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reverse = q['sort'][0]['operator'] == '-'
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def _sort_key(k):
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name = sortvalues[k['name']]
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if not name:
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name = '\uffff' if not reverse else ''
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items = k['items']
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if q['sort'][0]['key'] == 'name':
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v = (name, items)
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else:
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v = (-items, name)
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return v
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if q['sort'][0]['key'] == 'items':
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reverse = not reverse
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g.sort(key=_sort_key, reverse=reverse)
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state.cache.set(key, g)
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if 'positions' in data:
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response['positions'] = {}
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ids = [k['name'] for k in g]
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response['positions'] = utils.get_positions(ids, data['positions'])
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elif 'range' in data:
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response['items'] = g[q['range'][0]:q['range'][1]]
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else:
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response['items'] = len(g)
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elif 'position' in data:
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ids = [i.id for i in q['qs'].options(load_only('id'))]
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response['position'] = utils.get_positions(ids, [data['qs'][0].id])[0]
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elif 'positions' in data:
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ids = [i.id for i in q['qs'].options(load_only('id'))]
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response['positions'] = utils.get_positions(ids, data['positions'])
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elif 'keys' in data:
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response['items'] = [
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i.json(data['keys']) for i in q['qs'][q['range'][0]:q['range'][1]]
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]
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else:
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size = [i.info.get('size', 0) for i in q['qs'].options(load_only('id', 'info'))]
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response['items'] = len(size)
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response['size'] = sum(size)
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return response
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actions.register(find)
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actions.register(find, version='public')
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def get(data):
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'''
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takes {
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id
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keys
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}
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'''
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response = {}
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item = models.Item.get(data['id'])
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if item:
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response = item.json(data['keys'] if 'keys' in data else None)
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return response
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actions.register(get)
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actions.register(get, version='public')
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def edit(data):
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'''
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takes {
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id
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...
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}
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setting identifier or base metadata is possible not both at the same time
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id can be one id or list of ids
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'''
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response = {}
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ids = data['id']
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if isinstance(ids, str):
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ids = [ids]
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edited = []
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for id in ids:
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state.db.session.begin(subtransactions=True)
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item = models.Item.get(id, for_update=True)
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if item and item.json().get('mediastate') == 'available':
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item.edit(data)
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response = item.json()
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edited.append(id)
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else:
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logger.info('can only edit available items %s', id)
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state.db.session.commit()
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if len(ids) > 1:
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response = data
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response['id'] = edited
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state.cache.clear('group:')
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return response
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actions.register(edit, cache=False)
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def remove(data):
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'''
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takes {
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ids
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}
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'''
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if 'ids' in data and data['ids']:
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for i in models.Item.query.filter(models.Item.id.in_(data['ids'])):
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logger.info('remove item %s', i)
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i.remove_file()
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state.cache.clear('group:')
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return {
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'items': []
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}
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actions.register(remove, cache=False)
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def autocomplete(data):
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'''
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takes {
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key: string,
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value: string,
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operator: string // '=', '==', '^', '$'
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query: object // item query to limit results
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range: [int, int]
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}
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returns {
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items: [string, ...] //array of matching values
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}
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'''
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response = {}
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response['items'] = []
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if not 'range' in data:
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data['range'] = [0, 10]
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op = data.get('operator', '=')
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key = utils.get_by_id(settings.config['itemKeys'], data['key'])
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order_by = key.get('autocompleteSort', False)
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add_itemsort = False
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if order_by:
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for o in order_by:
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if o['operator'] != '-': o['operator'] = ''
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order_by = [text('%(operator)ssort.%(key)s' % o) for o in order_by]
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add_itemsort = True
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else:
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order_by = [text('-items')]
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items = query.parse({'query': data.get('query', {})})['qs'].options(load_only('id'))
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qs = state.db.session.query(models.Find.value, func.count(models.Find.value).label('items'))
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qs = qs.filter(models.Find.item_id.in_(items))
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if data['value']:
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value = data['value'].lower()
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value = unicodedata.normalize('NFKD', value)
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qs = qs.filter(models.Find.key.is_(data['key']))
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if op == '=':
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qs = qs.filter(models.Find.findvalue.contains(value))
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elif op == '==':
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qs = qs.filter(models.Find.findvalue.is_(value))
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elif op == '^':
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qs = qs.filter(models.Find.findvalue.startswith(value))
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elif op == '$':
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qs = qs.filter(models.Find.findvalue.endswith(value))
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if add_itemsort:
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qs = qs.join(models.Item).join(models.Sort)
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qs = qs.group_by(models.Find.findvalue)
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qs = qs.order_by(*order_by)
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response['items'] = [r.value for r in qs[data['range'][0]:data['range'][1]]]
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return response
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actions.register(autocomplete)
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def findMetadata(data):
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'''
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takes {
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key: value,
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}
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returns {
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items: [{
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key: value
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}]
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}
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key is one of the supported identifiers: isbn10, isbn13...
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'''
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response = {
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'items': []
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}
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key = ','.join(sorted(data))
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if key == 'isbn':
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r = meta.lookup_isbn(data[key])
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if r:
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response['items'].append(r)
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elif key == 'author,title':
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response['items'] = meta.find(**data)
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elif key == 'id':
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import user.models
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items = {}
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value = data[key]
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for u in user.models.User.query.filter_by(peered=True):
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peer = utils.get_peer(u.id)
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if value in peer.library:
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h = peer.get_metahash(value)
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if h not in items:
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items[h] = peer.library[value].get('meta', {}).copy()
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items[h]['users'] = [u.id]
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j = items[h]
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for key_ in [k['id'] for k in settings.config['itemKeys'] if isinstance(k['type'], list)]:
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if key_ in j and not isinstance(j[key_], list):
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j[key_] = [j[key_]] if j[key_] else []
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else:
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items[h]['users'].append(u.id)
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response['items'] = list(items.values())
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return response
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actions.register(findMetadata)
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def cancelDownloads(data):
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'''
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takes {
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ids
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}
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'''
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response = {}
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ids = data['ids']
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if ids:
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for item in models.Item.query.filter(models.Item.id.in_(ids)):
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t = state.downloads.transfers.get(item.id)
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if t:
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del state.downloads.transfers[item.id]
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p = state.user()
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if p in item.users:
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item.users.remove(p)
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for l in item.lists.filter_by(user_id=settings.USER_ID):
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l.items.remove(item)
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item.update()
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trigger_event('transfer', {
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'id': item.id, 'progress': -1
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})
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response = {'cancelled': ids}
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return response
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actions.register(cancelDownloads, cache=False)
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def scan(data):
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state.tasks.queue('scan', {})
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return {}
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actions.register(scan, cache=False)
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def export(data):
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'''
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takes {
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path absolute path to import
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list listename (add new items to this list)
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mode add|replace
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}
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'''
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import user.models
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l = user.models.List.get(':' + data['list'])
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if l:
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data['list'] = ':' + data['list']
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state.tasks.queue('export', data)
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response = {'status': 'ok'}
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else:
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response = {'status': 'invalid list'}
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return response
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actions.register(export, cache=False)
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def _import(data):
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'''
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takes {
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path absolute path to import
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list listename (add new items to this list)
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mode copy|move
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}
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'''
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if os.path.exists(data['path']):
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state.activity = {
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'activity': 'import',
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'path': data['path'],
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}
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state.tasks.queue('import', data)
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return {}
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actions.register(_import, 'import', cache=False)
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def cancelImport(data):
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state.activity['cancel'] = True
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trigger_event('activity', {
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'activity': 'import',
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'progress': [0, 0],
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'status': {'code': 200, 'text': 'canceled'}
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})
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return {}
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actions.register(cancelImport, cache=False)
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def openFile(data):
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response = {}
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item = models.Item.get(data['id'])
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if item:
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path = item.get_path()
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if path:
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utils.open_file(path)
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return response
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actions.register(openFile, cache=False)
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def openFolder(data):
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response = {}
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item = models.Item.get(data['id'])
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if item:
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path = item.get_path()
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if path:
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utils.open_folder(path=path)
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return response
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actions.register(openFolder, cache=False)
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