443 lines
14 KiB
Python
443 lines
14 KiB
Python
# -*- coding: utf-8 -*-
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from __future__ import division, print_function, absolute_import
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import os
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import re
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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.conf import settings
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from ox.utils import json
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from oxdjango.decorators import login_required_json
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from oxdjango.shortcuts import render_to_json_response, get_object_or_404_json, json_response
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from oxdjango.http import HttpFileResponse
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from . import models
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from oxdjango.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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from changelog.models import add_changelog
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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, nulls_last=True)
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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, data):
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'''
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Finds lists for a given query
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takes {
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query: object, // query object, see `find`
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sort: [], // list of sort objects, see `find`
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range: [int, int], // range of results to return
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keys: [string] // list of properties to return
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}
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returns {
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items: [object] // list of list objects
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}
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notes: Possible query keys are 'featured', 'name', 'subscribed' and 'user',
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possible keys are 'featured', 'name', 'query', 'subscribed' and 'user'.
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see: addList, editList, find, getList, removeList, sortLists
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'''
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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 = any(
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is_featured_condition(x)
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for x in data.get('query', {}).get('conditions', [])
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)
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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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def getList(request, data):
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'''
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Gets a list by id
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takes {
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id: string // list id
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}
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returns {
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id: string, // list id
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section: string, // lists section (like 'personal')
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... // more key/value pairs
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}
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see: addList, editList, findLists, removeList, sortLists
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'''
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if 'id' in data:
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response = json_response()
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list = get_list_or_404_json(data['id'])
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if list.accessible(request.user):
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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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else:
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response = json_response(status=404, text='not found')
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return render_to_json_response(response)
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actions.register(getList)
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@login_required_json
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def addListItems(request, data):
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'''
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Adds one or more items to a static list
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takes {
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list: string, // list id
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items: [string], // either list of item ids
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query: object // or query object, see `find`
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}
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returns {}
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see: find, orderListItems, removeListItems
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'''
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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.atomic():
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for item in Item.objects.filter(public_id__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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add_changelog(request, data, data['list'])
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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, data):
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'''
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Removes one or more items from a static list
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takes {
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list: string, // list id
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items: [itemId], // either list of item ids
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query: object // or query object, see `find`
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}
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returns {}
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see: addListItems, find, orderListItems
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'''
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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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add_changelog(request, data, data['list'])
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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 orderListItems(request, data):
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'''
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Sets the manual ordering of items in a given list
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takes {
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list: string, // list id
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ids: [string] // ordered list of item ids
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}
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returns {}
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notes: There is no UI for this yet.
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see: addListItems, removeListItems
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'''
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list = get_list_or_404_json(data['list'])
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response = json_response()
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if list.editable(request.user) and list.type == 'static':
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index = 0
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with transaction.atomic():
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for i in data['ids']:
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models.ListItem.objects.filter(list=list, item__public_id=i).update(index=index)
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index += 1
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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(orderListItems, cache=False)
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@login_required_json
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def addList(request, data):
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'''
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Adds a new list
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takes {
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name: value, // list name (optional)
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... // more key/value pairs
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}
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returns {
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id: string, // list id
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name: string, // list name
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... // more key/value pairs
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}
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notes: Possible keys are 'description', 'items', 'name', 'query', 'sort',
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'type' and 'view'.
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see: editList, findLists, getList, removeList, sortLists
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'''
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data['name'] = re.sub(' \[\d+\]$', '', data.get('name', 'Untitled')).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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del data['name']
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if data:
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list.edit(data, request.user)
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else:
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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(public_id__in=data['items']):
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list.add(item)
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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(user=request.user)
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add_changelog(request, data, list.get_id())
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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, data):
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'''
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Edits a list
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takes {
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id: string, // list id
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key: value, // property id and new value
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... // more key/value pairs
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}
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returns {
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id: string, // list id
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... // more key/value pairs
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}
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notes: Possible keys are 'name', 'position', 'posterFrames', 'query' and
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'status'. 'posterFrames' is an array of {item, position}. If you change
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'status', you have to pass 'position' (the position of the list in its new
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list folder).
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see: addList, findLists, getList, removeList, sortLists
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'''
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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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list.edit(data, request.user)
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response['data'] = list.json(user=request.user)
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add_changelog(request, data)
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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, data):
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'''
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Removes a list
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takes {
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id: string // list id
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}
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returns {}
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see: addList, editList, findLists, getList, sortLists
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'''
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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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add_changelog(request, data)
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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, data):
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'''
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Adds a list to favorites
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takes {
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id: string, // list id
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user: string // username (admin-only)
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}
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returns {}
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see: unsubscribeFromList
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'''
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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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add_changelog(request, data)
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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, data):
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'''
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Removes a list from favorites
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takes {
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id: string, // list id
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user: string // username (admin-only)
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}
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returns {}
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see: subscribeToList
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'''
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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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add_changelog(request, data)
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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, data):
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'''
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Sets the order of lists in a given section
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takes {
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section: string, // lists section
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ids: [string] // ordered list of lists
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}
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returns {}
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notes: Possible sections are 'personal', 'favorite' and 'featured'. Setting
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the order of featured lists requires the appropriate capability.
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see: addList, editList, findLists, getList, removeList
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'''
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position = 0
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section = data['section']
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section = {
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'favorite': 'public'
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}.get(section,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.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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