openmedialibrary/oml/item/api.py

367 lines
11 KiB
Python
Raw Normal View History

2014-05-04 17:26:43 +00:00
# -*- coding: utf-8 -*-
# vi:si:et:sw=4:sts=4:ts=4
2014-05-17 00:14:15 +00:00
import json
2014-05-26 11:41:59 +00:00
import hashlib
2015-11-30 16:50:03 +00:00
import os
2016-01-04 10:25:05 +00:00
import unicodedata
2014-05-18 23:24:04 +00:00
from sqlalchemy.orm import load_only
2014-10-04 18:57:09 +00:00
from sqlalchemy import func
2014-05-04 17:26:43 +00:00
2014-08-12 08:16:57 +00:00
from oxtornado import actions
from utils import cleanup_id
from websocket import trigger_event
2016-01-07 10:12:48 +00:00
import meta
2014-09-02 22:32:44 +00:00
from . import models
from . import query
2015-03-08 12:48:22 +00:00
from .person import get_sort_name
2014-05-04 17:26:43 +00:00
import settings
import state
import utils
2015-05-14 11:03:49 +00:00
from . import person_api
from . import title_api
2014-05-18 23:24:04 +00:00
import logging
2015-11-29 14:56:38 +00:00
logger = logging.getLogger(__name__)
2014-05-17 14:26:59 +00:00
2014-05-19 20:14:24 +00:00
def find(data):
2014-05-04 17:26:43 +00:00
'''
2014-05-18 23:24:04 +00:00
takes {
query {
conditions [{}]
operator string
}
group string
keys [string]
sort [{}]
range [int, int]
}
2014-05-04 17:26:43 +00:00
'''
response = {}
q = query.parse(data)
if 'group' in q:
2014-05-14 09:57:11 +00:00
names = {}
groups = {}
2016-01-22 08:24:58 +00:00
_keydata = data.copy()
for key in ('range', 'position'):
if key in _keydata:
del _keydata[key]
key = 'group:' + hashlib.sha1(json.dumps(_keydata).encode('utf-8')).hexdigest()
2014-05-26 11:41:59 +00:00
g = state.cache.get(key)
if g is None:
2014-10-04 19:14:36 +00:00
items = q['qs'].options(load_only('id'))
2014-05-26 11:41:59 +00:00
qs = models.Find.query.filter_by(key=q['group'])
2016-01-04 10:25:05 +00:00
if items.first():
2014-05-26 11:41:59 +00:00
qs = qs.filter(models.Find.item_id.in_(items))
for f in qs.values('value', 'findvalue'):
value = f[0]
findvalue = f[1]
if findvalue not in groups:
groups[findvalue] = 0
groups[findvalue] += 1
names[findvalue] = value
g = [{'name': names[k], 'items': groups[k]} for k in groups]
else:
g = []
if 'sort' in q:
2015-03-08 12:48:22 +00:00
sort_type = utils.get_by_id(settings.config['itemKeys'], q['group']).get('sortType')
def _sort_key(k):
if sort_type == 'person':
name = get_sort_name(k['name'])
2015-03-08 12:48:22 +00:00
else:
name = k['name']
if isinstance(name, str):
name = unicodedata.normalize('NFKD', name).lower()
items = k['items']
if q['sort'][0]['key'] == 'name':
v = (name, items)
else:
v = (-items, name)
2016-01-04 10:25:05 +00:00
return v
reverse = q['sort'][0]['operator'] == '-'
if q['sort'][0]['key'] == 'items':
reverse = not reverse
g.sort(key=_sort_key, reverse=reverse)
2014-05-26 11:41:59 +00:00
state.cache.set(key, g)
2014-05-04 17:26:43 +00:00
if 'positions' in data:
response['positions'] = {}
ids = [k['name'] for k in g]
response['positions'] = utils.get_positions(ids, data['positions'])
elif 'range' in data:
response['items'] = g[q['range'][0]:q['range'][1]]
else:
response['items'] = len(g)
elif 'position' in data:
2014-05-18 23:24:04 +00:00
ids = [i.id for i in q['qs'].options(load_only('id'))]
2014-05-04 17:26:43 +00:00
response['position'] = utils.get_positions(ids, [data['qs'][0].id])[0]
elif 'positions' in data:
2014-05-18 23:24:04 +00:00
ids = [i.id for i in q['qs'].options(load_only('id'))]
2014-05-04 17:26:43 +00:00
response['positions'] = utils.get_positions(ids, data['positions'])
elif 'keys' in data:
2016-01-04 10:25:05 +00:00
response['items'] = [
i.json(data['keys']) for i in q['qs'][q['range'][0]:q['range'][1]]
]
2014-05-04 17:26:43 +00:00
else:
2016-01-04 10:25:05 +00:00
size = [i.info.get('size', 0) for i in q['qs'].options(load_only('id', 'info'))]
2014-05-26 23:45:29 +00:00
response['items'] = len(size)
response['size'] = sum(size)
2014-05-04 17:26:43 +00:00
return response
actions.register(find)
2014-05-19 20:14:24 +00:00
def get(data):
2014-05-18 23:24:04 +00:00
'''
takes {
id
keys
}
'''
2014-05-04 17:26:43 +00:00
response = {}
item = models.Item.get(data['id'])
if item:
response = item.json(data['keys'] if 'keys' in data else None)
return response
actions.register(get)
2014-05-19 20:14:24 +00:00
def edit(data):
2014-05-18 23:24:04 +00:00
'''
takes {
id
...
}
setting identifier or base metadata is possible not both at the same time
2016-01-05 08:31:38 +00:00
id can be one id or list of ids
2014-05-18 23:24:04 +00:00
'''
2014-05-04 17:26:43 +00:00
response = {}
2016-01-05 08:31:38 +00:00
ids = data['id']
if isinstance(ids, str):
ids = [ids]
2016-01-05 10:27:35 +00:00
edited = []
2016-01-05 08:31:38 +00:00
for id in ids:
item = models.Item.get(id)
if item and item.json()['mediastate'] == 'available':
2016-01-19 10:05:16 +00:00
item.edit(data)
response = item.json()
2016-01-05 10:27:35 +00:00
edited.append(id)
2014-05-19 20:58:00 +00:00
else:
2016-01-05 08:31:38 +00:00
logger.info('can only edit available items %s', id)
2016-01-05 10:27:35 +00:00
if len(ids) > 1:
response = data
response['id'] = edited
2016-01-17 11:02:17 +00:00
state.cache.clear('group:')
2014-05-04 17:26:43 +00:00
return response
actions.register(edit, cache=False)
2014-05-19 20:14:24 +00:00
def remove(data):
2014-05-18 23:24:04 +00:00
'''
takes {
id
}
'''
2014-05-17 11:45:57 +00:00
if 'ids' in data and data['ids']:
for i in models.Item.query.filter(models.Item.id.in_(data['ids'])):
i.remove_file()
2014-05-26 23:45:29 +00:00
return {
'items': []
}
2014-05-17 11:45:57 +00:00
actions.register(remove, cache=False)
2014-05-04 17:26:43 +00:00
2014-05-26 23:45:29 +00:00
def autocomplete(data):
2014-10-04 18:57:09 +00:00
'''
takes {
key: string,
value: string,
operator: string // '=', '==', '^', '$'
query: object // item query to limit results
range: [int, int]
}
returns {
items: [string, ...] //array of matching values
}
'''
response = {}
response['items'] = []
if not 'range' in data:
data['range'] = [0, 10]
op = data.get('operator', '=')
key = utils.get_by_id(settings.config['itemKeys'], data['key'])
order_by = key.get('autocompleteSort', False)
add_itemsort = False
if order_by:
for o in order_by:
if o['operator'] != '-': o['operator'] = ''
order_by = ['%(operator)ssort.%(key)s' % o for o in order_by]
add_itemsort = True
else:
order_by = ['-items']
items = query.parse({'query': data.get('query', {})})['qs'].options(load_only('id'))
qs = state.db.session.query(models.Find.value, func.count(models.Find.value).label('items'))
qs = qs.filter(models.Find.item_id.in_(items))
if data['value']:
value = data['value'].lower()
qs = qs.filter(models.Find.key.is_(data['key']))
if op == '=':
qs = qs.filter(models.Find.findvalue.contains(value))
elif op == '==':
qs = qs.filter(models.Find.findvalue.is_(value))
elif op == '^':
qs = qs.filter(models.Find.findvalue.startswith(value))
elif op == '$':
qs = qs.filter(models.Find.findvalue.endswith(value))
if add_itemsort:
qs = qs.join(models.Item).join(models.Sort)
qs = qs.group_by(models.Find.findvalue)
2014-10-04 18:57:09 +00:00
qs = qs.order_by(*order_by)
response['items'] = [r.value for r in qs[data['range'][0]:data['range'][1]]]
return response
actions.register(autocomplete)
2014-05-19 20:14:24 +00:00
def findMetadata(data):
2014-05-04 17:26:43 +00:00
'''
takes {
2016-01-12 06:29:26 +00:00
key: value,
2014-05-04 17:26:43 +00:00
}
returns {
2014-05-18 23:24:04 +00:00
items: [{
key: value
}]
2014-05-04 17:26:43 +00:00
}
2014-05-18 23:24:04 +00:00
key is one of the supported identifiers: isbn10, isbn13...
2014-05-04 17:26:43 +00:00
'''
2016-01-11 14:56:11 +00:00
response = {
'items': []
}
2016-01-12 06:29:26 +00:00
key = ','.join(sorted(data))
if key == 'isbn':
r = meta.lookup(key, data[key])
2016-01-11 14:56:11 +00:00
if r:
response['items'].append(r)
2016-01-12 06:29:26 +00:00
elif key == 'author,title':
value = ' '.join(data.values())
for isbn in meta.find(value):
2016-01-11 14:56:11 +00:00
r = meta.lookup('isbn', isbn)
if r:
response['items'].append(r)
2016-01-12 06:29:26 +00:00
elif key == 'id':
2016-01-11 14:56:11 +00:00
import user.models
items = {}
2016-01-12 06:29:26 +00:00
for m in user.models.Metadata.query.filter_by(item_id=data[key]):
2016-01-11 14:56:11 +00:00
if m.data_hash not in items:
items[m.data_hash] = m.data
items[m.data_hash]['users'] = [m.user_id]
j = items[m.data_hash]
for key in [k['id'] for k in settings.config['itemKeys'] if isinstance(k['type'], list)]:
if key in j and not isinstance(j[key], list):
2016-01-13 04:41:31 +00:00
j[key] = [j[key]] if j[key] else []
2016-01-11 14:56:11 +00:00
else:
items[m.data_hash]['users'].append(m.user_id)
response['items'] = list(items.values())
2014-05-14 18:46:31 +00:00
return response
actions.register(findMetadata)
2014-08-12 08:16:57 +00:00
2014-05-19 20:14:24 +00:00
def cancelDownloads(data):
2014-05-18 23:24:04 +00:00
'''
takes {
ids
}
'''
2014-05-04 17:26:43 +00:00
response = {}
2014-05-18 10:44:56 +00:00
ids = data['ids']
if ids:
for item in models.Item.query.filter(models.Item.id.in_(ids)):
t = models.Transfer.get(item.id)
if t:
t.progress = None
t.added = None
t.save()
2014-05-18 10:44:56 +00:00
p = state.user()
if p in item.users:
item.users.remove(p)
for l in item.lists.filter_by(user_id=settings.USER_ID):
2014-05-18 10:46:56 +00:00
l.items.remove(item)
2014-05-18 10:44:56 +00:00
item.update()
trigger_event('transfer', {
'id': item.id, 'progress': -1
})
response = {'cancelled': ids}
2014-05-04 17:26:43 +00:00
return response
2014-05-18 10:44:56 +00:00
actions.register(cancelDownloads, cache=False)
2014-05-04 17:26:43 +00:00
2014-05-19 20:14:24 +00:00
def scan(data):
state.tasks.queue('scan', {})
2014-05-04 17:26:43 +00:00
return {}
actions.register(scan, cache=False)
2016-01-14 08:59:11 +00:00
def export(data):
'''
takes {
path absolute path to import
list listename (add new items to this list)
mode add|replace
}
'''
import user.models
l = user.models.List.get(':' + data['list'])
if l:
data['list'] = ':' + data['list']
state.tasks.queue('export', data)
response = {'status': 'ok'}
else:
response = {'status': 'invalid list'}
return response
actions.register(export, cache=False)
2014-05-19 20:14:24 +00:00
def _import(data):
2014-05-18 23:24:04 +00:00
'''
takes {
path absolute path to import
list listename (add new items to this list)
mode copy|move
}
'''
2016-01-23 12:37:25 +00:00
if 'cancel' in state.activity:
del state.activity['cancel']
state.tasks.queue('import', data)
2014-05-04 17:26:43 +00:00
return {}
actions.register(_import, 'import', cache=False)
2014-05-18 23:24:04 +00:00
2014-05-19 20:14:24 +00:00
def cancelImport(data):
2014-05-18 23:24:04 +00:00
state.activity['cancel'] = True
2014-05-20 17:03:58 +00:00
trigger_event('activity', {
'activity': 'import',
'progress': [0, 0],
'status': {'code': 200, 'text': 'canceled'}
})
2014-05-18 23:24:04 +00:00
return {}
actions.register(cancelImport, cache=False)
2015-11-30 16:50:03 +00:00
2016-01-19 05:21:43 +00:00
def openFile(data):
response = {}
item = models.Item.get(data['id'])
if item:
path = item.get_path()
if path:
utils.open_file(path)
return response
actions.register(openFile, cache=False)
2015-11-30 16:50:03 +00:00
def openFolder(data):
response = {}
item = models.Item.get(data['id'])
if item:
path = item.get_path()
if path:
2015-11-30 17:07:07 +00:00
utils.open_folder(path=path)
2015-11-30 16:50:03 +00:00
return response
actions.register(openFolder, cache=False)