forked from 0x2620/pandora
322 lines
9.7 KiB
Python
322 lines
9.7 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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from ox.utils import json
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from ox.django.api import actions
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from ox.django.decorators import login_required_json
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from ox.django.http import HttpFileResponse
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from ox.django.shortcuts import render_to_json_response, get_object_or_404_json, json_response, HttpErrorJson
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from django import forms
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from django.db.models import Sum
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from item import utils
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from item.models import Item
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from itemlist.models import List
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from archive.chunk import process_chunk
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import models
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def get_document_or_404_json(id):
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try:
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return models.Document.get(id)
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except models.Document.DoesNotExist:
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response = {'status': {'code': 404,
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'text': 'Document not found'}}
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raise HttpErrorJson(response)
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@login_required_json
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def addDocument(request, data):
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'''
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add document(s) to item
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takes {
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item: string or [string]
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id: string
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or
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ids: [string]
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}
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returns {
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}
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'''
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response = json_response()
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if 'ids' in data:
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ids = data['ids']
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else:
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ids = [data['id']]
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if 'item' in data:
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if isinstance(data['item'], basestring):
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item = Item.objects.get(public_id=data['item'])
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if item.editable(request.user):
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for id in ids:
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document = models.Document.get(id)
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document.add(item)
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else:
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response = json_response(status=403, text='permission denied')
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else:
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for item in Item.objects.filter(public_id__in=data['item']):
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if item.editable(request.user):
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for id in ids:
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document = models.Document.get(id)
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document.add(item)
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return render_to_json_response(response)
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actions.register(addDocument, cache=False)
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@login_required_json
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def editDocument(request, data):
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'''
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takes {
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id: string
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name: string
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description: string
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item(optional): edit descriptoin per item
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}
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returns {
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id:
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...
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}
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'''
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response = json_response()
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item = 'item' in data and Item.objects.get(public_id=data['item']) or None
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if data['id']:
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document = models.Document.get(data['id'])
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if document.editable(request.user, item):
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document.edit(data, request.user, item)
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document.save()
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response['data'] = document.json(user=request.user, item=item)
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else:
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response = json_response(status=403, text='permission denied')
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else:
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response = json_response(status=500, text='invalid request')
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return render_to_json_response(response)
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actions.register(editDocument, cache=False)
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def _order_query(qs, sort, item=None):
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order_by = []
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for e in sort:
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operator = e['operator']
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if operator != '-':
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operator = ''
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key = {
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'name': 'name_sort',
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'description': 'descriptions__description_sort'
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if item else 'description_sort',
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'dimensions': 'dimensions_sort',
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'index': 'items__itemproperties__index',
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}.get(e['key'], e['key'])
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if key == 'resolution':
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order_by.append('%swidth'%operator)
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order_by.append('%sheight'%operator)
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else:
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order = '%s%s' % (operator, key)
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order_by.append(order)
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if order_by:
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qs = qs.order_by(*order_by, nulls_last=True)
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qs = qs.distinct()
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return qs
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def get_item(query):
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for c in query.get('conditions'):
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if c.get('key') == 'item':
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return c.get('value')
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return None
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def parse_query(data, user):
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query = {}
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query['range'] = [0, 100]
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query['sort'] = [{'key':'user', 'operator':'+'}, {'key':'name', 'operator':'+'}]
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for key in ('keys', 'group', 'file', 'range', 'position', 'positions', 'sort'):
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if key in data:
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query[key] = data[key]
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query['qs'] = models.Document.objects.find(data, user).exclude(name='')
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query['item'] = get_item(data['query'])
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return query
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def findDocuments(request, data):
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'''
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takes {
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query: {
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conditions: [
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{
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key: 'user',
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value: 'something',
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operator: '='
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}
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]
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operator: ","
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},
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sort: [{key: 'name', operator: '+'}],
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range: [0, 100]
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keys: []
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}
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possible query keys:
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name, user, extension, size
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possible keys:
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name, user, extension, size
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}
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returns {
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items: [object]
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}
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'''
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query = parse_query(data, request.user)
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#order
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qs = _order_query(query['qs'], query['sort'], query['item'])
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response = json_response()
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if 'keys' in data:
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qs = qs[query['range'][0]:query['range'][1]]
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response['data']['items'] = [l.json(data['keys'], request.user, query['item']) for l in qs]
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elif 'position' in data:
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#FIXME: actually implement position requests
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response['data']['position'] = 0
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elif 'positions' in data:
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ids = [i.get_id() for i in qs]
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response['data']['positions'] = utils.get_positions(ids, query['positions'])
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else:
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r = qs.aggregate(
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Sum('size')
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)
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response['data']['items'] = qs.count()
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response['data']['size'] = r['size__sum'] or 0
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return render_to_json_response(response)
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actions.register(findDocuments)
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def getDocument(request, data):
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'''
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takes {
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id: string,
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keys: [string]
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}
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returns {
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key: value
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}
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'''
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response = json_response({})
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data['keys'] = data.get('keys', [])
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document = get_document_or_404_json(data['id'])
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response['data'] = document.json(keys=data['keys'], user=request.user)
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return render_to_json_response(response)
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actions.register(getDocument)
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@login_required_json
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def removeDocument(request, data):
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'''
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takes {
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id: string,
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or
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ids: [string]
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item: string
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}
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if item is passed, remove relation to item
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otherwise remove document
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returns {
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}
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'''
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response = json_response()
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if 'ids' in data:
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ids = data['ids']
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else:
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ids = [data['id']]
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item = 'item' in data and Item.objects.get(public_id=data['item']) or None
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if item:
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if item.editable(request.user):
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for id in ids:
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document = models.Document.get(id)
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document.remove(item)
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else:
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response = json_response(status=403, text='not allowed')
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else:
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for id in ids:
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document = models.Document.get(id)
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if document.editable(request.user):
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document.delete()
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else:
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response = json_response(status=403, text='not allowed')
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break
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return render_to_json_response(response)
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actions.register(removeDocument, cache=False)
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@login_required_json
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def sortDocuments(request, data):
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'''
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takes {
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item: string
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ids: [string]
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}
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returns {
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}
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'''
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index = 0
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item = Item.objects.get(public_id=data['item'])
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ids = data['ids']
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if item.editable(request.user):
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for i in ids:
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document = models.Document.get(i)
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models.ItemProperties.objects.filter(item=item, document=document).update(index=index)
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index += 1
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response = json_response()
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else:
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response = json_response(status=403, text='permission denied')
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return render_to_json_response(response)
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actions.register(sortDocuments, cache=False)
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def file(request, id, name=None):
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document = models.Document.get(id)
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return HttpFileResponse(document.file.path)
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def thumbnail(request, id, size=256, page=None):
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size = int(size)
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document = models.Document.get(id)
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return HttpFileResponse(document.thumbnail(size, page=page))
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@login_required_json
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def upload(request):
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if 'id' in request.GET:
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file = models.Document.get(request.GET['id'])
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else:
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file = None
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extension = request.POST['filename'].split('.')
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name = '.'.join(extension[:-1])
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extension = extension[-1].lower()
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response = json_response(status=400, text='this request requires POST')
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if 'chunk' in request.FILES:
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if file.editable(request.user):
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response = process_chunk(request, file.save_chunk)
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response['resultUrl'] = request.build_absolute_uri(file.get_absolute_url())
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return render_to_json_response(response)
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#init upload
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else:
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if not file:
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created = False
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num = 1
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_name = name
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while not created:
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file, created = models.Document.objects.get_or_create(
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user=request.user, name=name, extension=extension)
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if not created:
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num += 1
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name = _name + ' [%d]' % num
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file.name = name
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file.extension = extension
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file.uploading = True
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file.save()
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else:
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#replace existing file
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file.file.delete()
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file.uploading = True
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file.save()
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upload_url = request.build_absolute_uri('/api/upload/document?id=%s' % file.get_id())
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return render_to_json_response({
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'uploadUrl': upload_url,
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'url': request.build_absolute_uri(file.get_absolute_url()),
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'result': 1
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})
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return render_to_json_response(response)
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