529 lines
18 KiB
Python
529 lines
18 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 ox
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from django.db.models import Max, Sum
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from django.db import transaction
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from django.http import HttpResponseForbidden, Http404
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from django.conf import settings
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from ox.utils import json
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from ox.django.decorators import login_required_json
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from ox.django.shortcuts import render_to_json_response, get_object_or_404_json, json_response
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from ox.django.http import HttpFileResponse
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import models
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from ox.django.api import actions
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from item import utils
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from item.models import Item
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from user.tasks import update_numberoflists
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def get_list_or_404_json(id):
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id = id.split(':')
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username = id[0]
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listname = ":".join(id[1:])
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return get_object_or_404_json(models.List, user__username=username, name=listname)
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def _order_query(qs, sort):
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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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'subscribed': 'subscribed_users',
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'items': 'numberofitems'
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}.get(e['key'], e['key'])
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order = '%s%s' % (operator, key)
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order_by.append(order)
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if key == 'subscribers':
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qs = qs.annotate(subscribers=Sum('subscribed_users'))
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if order_by:
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qs = qs.order_by(*order_by)
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qs = qs.distinct()
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return qs
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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', 'list', '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.List.objects.find(data, user)
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return query
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def findLists(request):
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'''
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param data {
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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, featured, subscribed
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possible keys:
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name, user, featured, subscribed, query
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}
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return {status: {code: int, text: string},
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data: {
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items: [
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{name:, user:, featured:, public...}
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]
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}
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}
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'''
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data = json.loads(request.POST['data'])
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query = parse_query(data, request.user)
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#order
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is_section_request = query['sort'] == [{u'operator': u'+', u'key': u'position'}]
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def is_featured_condition(x):
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return x['key'] == 'status' and \
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x['value'] == 'featured' and \
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x['operator'] in ('=', '==')
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is_featured = len(filter(is_featured_condition, data['query'].get('conditions', []))) > 0
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if is_section_request:
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qs = query['qs']
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if not is_featured and not request.user.is_anonymous():
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qs = qs.filter(position__in=models.Position.objects.filter(user=request.user))
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qs = qs.order_by('position__position')
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else:
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qs = _order_query(query['qs'], query['sort'])
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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) 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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response['data']['items'] = qs.count()
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return render_to_json_response(response)
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actions.register(findLists)
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@login_required_json
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def addListItems(request):
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'''
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param data {
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list: listId,
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items: [itemId],
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query: ...
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}
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return {
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status: {'code': int, 'text': string},
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data: {
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}
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}
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'''
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data = json.loads(request.POST['data'])
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list = get_list_or_404_json(data['list'])
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if 'items' in data:
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if list.editable(request.user):
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with transaction.commit_on_success():
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for item in Item.objects.filter(itemId__in=data['items']):
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list.add(item)
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response = json_response(status=200, text='items added')
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else:
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response = json_response(status=403, text='not allowed')
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elif 'query' in data:
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response = json_response(status=501, text='not implemented')
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else:
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response = json_response(status=501, text='not implemented')
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return render_to_json_response(response)
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actions.register(addListItems, cache=False)
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@login_required_json
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def removeListItems(request):
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'''
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param data {
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list: listId,
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items: [itemId],
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quert: ...
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}
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return {
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status: {'code': int, 'text': string},
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data: {
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}
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}
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'''
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data = json.loads(request.POST['data'])
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list = get_list_or_404_json(data['list'])
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if 'items' in data:
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if list.editable(request.user):
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list.remove(items=data['items'])
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response = json_response(status=200, text='items removed')
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else:
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response = json_response(status=403, text='not allowed')
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elif 'query' in data:
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response = json_response(status=501, text='not implemented')
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else:
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response = json_response(status=501, text='not implemented')
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return render_to_json_response(response)
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actions.register(removeListItems, cache=False)
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@login_required_json
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def addList(request):
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'''
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param data {
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name: value,
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}
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possible keys to create list:
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name
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description
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type
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query
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items
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view
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sort
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return {
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status: {'code': int, 'text': string},
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data: {
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list:
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}
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}
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'''
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data = json.loads(request.POST['data'])
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data['name'] = re.sub(' \[\d+\]$', '', data['name']).strip()
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name = data['name']
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if not name:
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name = "Untitled"
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num = 1
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created = False
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while not created:
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list, created = models.List.objects.get_or_create(name=name, user=request.user)
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num += 1
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name = data['name'] + ' [%d]' % num
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if 'query' in data and data['query']:
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setattr(list, 'query', data['query'])
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else:
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setattr(list, 'query', {"static":True})
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if 'type' in data:
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if data['type'] == 'static':
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list.query = {"static":True}
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list.type = 'static'
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else:
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list.type = 'dynamic'
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if list.query.get('static', False):
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list.query = {}
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if 'status' in data:
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value = data['status']
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if value not in list._status:
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value = list._status[0]
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if value == 'featured' and request.user.get_profile().capability('canEditFeaturedLists'):
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value = list.status
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list.status = value
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if 'description' in data:
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list.description = ox.sanitize_html(data['description'])
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if 'view' in data:
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list.view = data['view']
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if 'sort' in data:
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list.sort= tuple(data['sort'])
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if 'posterFrames' in data:
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list.poster_frames = tuple(data['posterFrames'])
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list.save()
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update_numberoflists.delay(request.user.username)
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if 'items' in data:
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for item in Item.objects.filter(itemId__in=data['items']):
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list.add(item)
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if 'posterFrames' in data:
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list.update_icon()
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if list.status == 'featured':
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pos, created = models.Position.objects.get_or_create(list=list,
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user=request.user, section='featured')
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qs = models.Position.objects.filter(section='featured')
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else:
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pos, created = models.Position.objects.get_or_create(list=list,
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user=request.user, section='personal')
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qs = models.Position.objects.filter(user=request.user, section='personal')
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pos.position = qs.aggregate(Max('position'))['position__max'] + 1
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pos.save()
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response = json_response(status=200, text='created')
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response['data'] = list.json()
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return render_to_json_response(response)
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actions.register(addList, cache=False)
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@login_required_json
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def editList(request):
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'''
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param data {
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id: listId,
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key: value,
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}
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keys: name, status, query, position, posterFrames
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if you change status you have to provide position of list
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posterFrames:
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array with objects that have item/position
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return {
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status: {'code': int, 'text': string},
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data: {
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}
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}
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'''
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data = json.loads(request.POST['data'])
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list = get_list_or_404_json(data['id'])
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if list.editable(request.user):
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response = json_response()
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for key in data:
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if key == 'query' and not data['query']:
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setattr(list, key, {"static":True})
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elif key == 'query':
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setattr(list, key, data[key])
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elif key == 'type':
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if data[key] == 'static':
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list.query = {"static":True}
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list.type = 'static'
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else:
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list.type = 'dynamic'
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if list.query.get('static', False):
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list.query = {}
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elif key == 'status':
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value = data[key]
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if value not in list._status:
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value = list._status[0]
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if value == 'private':
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for user in list.subscribed_users.all():
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list.subscribed_users.remove(user)
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qs = models.Position.objects.filter(user=request.user,
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section='section', list=list)
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if qs.count() > 1:
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pos = qs[0]
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pos.section = 'personal'
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pos.save()
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elif value == 'featured':
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if request.user.get_profile().capability('canEditFeaturedLists'):
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pos, created = models.Position.objects.get_or_create(list=list, user=request.user,
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section='featured')
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if created:
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qs = models.Position.objects.filter(user=request.user, section='featured')
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pos.position = qs.aggregate(Max('position'))['position__max'] + 1
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pos.save()
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models.Position.objects.filter(list=list).exclude(id=pos.id).delete()
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else:
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value = list.status
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elif list.status == 'featured' and value == 'public':
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models.Position.objects.filter(list=list).delete()
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pos, created = models.Position.objects.get_or_create(list=list,
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user=list.user,section='personal')
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qs = models.Position.objects.filter(user=list.user,
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section='personal')
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pos.position = qs.aggregate(Max('position'))['position__max'] + 1
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pos.save()
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for u in list.subscribed_users.all():
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pos, created = models.Position.objects.get_or_create(list=list, user=u,
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section='public')
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qs = models.Position.objects.filter(user=u, section='public')
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pos.position = qs.aggregate(Max('position'))['position__max'] + 1
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pos.save()
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list.status = value
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elif key == 'name':
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data['name'] = re.sub(' \[\d+\]$', '', data['name']).strip()
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name = data['name']
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if not name:
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name = "Untitled"
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num = 1
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while models.List.objects.filter(name=name, user=list.user).exclude(id=list.id).count()>0:
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num += 1
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name = data['name'] + ' [%d]' % num
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list.name = name
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elif key == 'description':
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list.description = ox.sanitize_html(data['description'])
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if 'position' in data:
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pos, created = models.Position.objects.get_or_create(list=list, user=request.user)
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pos.position = data['position']
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pos.section = 'featured'
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if list.status == 'private':
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pos.section = 'personal'
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pos.save()
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if 'posterFrames' in data:
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list.poster_frames = tuple(data['posterFrames'])
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list.update_icon()
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if 'view' in data:
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list.view = data['view']
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if 'sort' in data:
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list.sort= tuple(data['sort'])
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list.save()
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response['data'] = list.json(user=request.user)
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else:
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response = json_response(status=403, text='not allowed')
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return render_to_json_response(response)
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actions.register(editList, cache=False)
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@login_required_json
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def removeList(request):
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'''
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param data {
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id: listId,
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}
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return {
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status: {'code': int, 'text': string},
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data: {
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}
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}
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'''
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data = json.loads(request.POST['data'])
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list = get_list_or_404_json(data['id'])
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response = json_response()
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if list.editable(request.user):
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list.delete()
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update_numberoflists.delay(request.user.username)
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else:
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response = json_response(status=403, text='not allowed')
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return render_to_json_response(response)
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actions.register(removeList, cache=False)
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@login_required_json
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def subscribeToList(request):
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'''
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param data {
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id: listId,
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}
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return {
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status: {'code': int, 'text': string},
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data: {
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}
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}
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'''
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data = json.loads(request.POST['data'])
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list = get_list_or_404_json(data['id'])
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user = request.user
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if list.status == 'public' and \
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list.subscribed_users.filter(username=user.username).count() == 0:
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list.subscribed_users.add(user)
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pos, created = models.Position.objects.get_or_create(list=list, user=user, section='public')
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if created:
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qs = models.Position.objects.filter(user=user, section='public')
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pos.position = qs.aggregate(Max('position'))['position__max'] + 1
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pos.save()
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response = json_response()
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return render_to_json_response(response)
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actions.register(subscribeToList, cache=False)
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@login_required_json
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def unsubscribeFromList(request):
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'''
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param data {
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id: listId,
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user: username(only admins)
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}
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return {
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status: {'code': int, 'text': string},
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data: {
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}
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}
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'''
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data = json.loads(request.POST['data'])
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list = get_list_or_404_json(data['id'])
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user = request.user
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list.subscribed_users.remove(user)
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models.Position.objects.filter(list=list, user=user, section='public').delete()
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response = json_response()
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return render_to_json_response(response)
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actions.register(unsubscribeFromList, cache=False)
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@login_required_json
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def sortLists(request):
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'''
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param data {
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section: 'personal',
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ids: [1,2,4,3]
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}
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known sections: 'personal', 'public', 'featured'
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featured can only be edited by admins
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return {
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status: {'code': int, 'text': string},
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data: {
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}
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}
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'''
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data = json.loads(request.POST['data'])
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position = 0
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section = data['section']
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#ids = list(set(data['ids']))
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ids = data['ids']
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if section == 'featured' and not request.user.get_profile().capability('canEditFeaturedLists'):
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response = json_response(status=403, text='not allowed')
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else:
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user = request.user
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if section == 'featured':
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for i in ids:
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l = get_list_or_404_json(i)
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qs = models.Position.objects.filter(section=section, list=l)
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if qs.count() > 0:
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pos = qs[0]
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else:
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pos = models.Position(list=l, user=user, section=section)
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if pos.position != position:
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pos.position = position
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pos.save()
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position += 1
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models.Position.objects.filter(section=section, list=l).exclude(id=pos.id).delete()
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else:
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for i in ids:
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l = get_list_or_404_json(i)
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pos, created = models.Position.objects.get_or_create(list=l,
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user=request.user, section=section)
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if pos.position != position:
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pos.position = position
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pos.save()
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position += 1
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response = json_response()
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return render_to_json_response(response)
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actions.register(sortLists, cache=False)
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def icon(request, id, size=16):
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if not size:
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size = 16
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id = id.split(':')
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username = id[0]
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listname = ":".join(id[1:])
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qs = models.List.objects.filter(user__username=username, name=listname)
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if qs.count() == 1 and qs[0].accessible(request.user):
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list = qs[0]
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icon = list.get_icon(int(size))
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else:
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icon = os.path.join(settings.STATIC_ROOT, 'jpg/list256.jpg')
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return HttpFileResponse(icon, content_type='image/jpeg')
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