cablegates/pandora/itemlist/views.py
2011-01-11 21:49:27 +05:30

315 lines
9 KiB
Python

# -*- coding: utf-8 -*-
# vi:si:et:sw=4:sts=4:ts=4
from __future__ import division
from ox.utils import json
from ox.django.decorators import login_required_json
from ox.django.shortcuts import render_to_json_response, get_object_or_404_json, json_response
import models
from api.actions import actions
def get_list_or_404_json(id):
username, listname = id.split(':')
return get_object_or_404_json(models.List, user__username=username, name=listname)
def _order_query(qs, sort):
order_by = []
for e in sort:
operator = e['operator']
if operator != '-':
operator = ''
key = e['key']
order = '%s%s' % (operator, key)
order_by.append(order)
if order_by:
qs = qs.order_by(*order_by)
return qs
def _parse_query(data, user):
query = {}
query['range'] = [0, 100]
#query['sort'] = [{'key':'user', 'operator':'+'}, {'key':'name', 'operator':'+'}]
query['sort'] = [{'key':'position__section', 'operator':'+'}, {'key':'position__position', 'operator':'+'}]
for key in ('sort', 'keys', 'group', 'list', 'range', 'ids'):
if key in data:
query[key] = data[key]
query['qs'] = models.List.objects.find(data, user)
return query
def findLists(request):
'''
FIXME: support key: subscribed
param data {
query: {
conditions: [
{
key: 'user',
value: 'something',
operator: '='
}
]
operator: ","
},
sort: [{key: 'name', operator: '+'}],
range: [0, 100]
keys: []
}
possible query keys:
name, user, featured, subscribed
possible keys:
name, user, featured, subscribed, query
}
return {status: {code: int, text: string},
data: {
lists: [
{name:, user:, featured:, public...}
]
}
}
'''
data = json.loads(request.POST['data'])
query = _parse_query(data, request.user)
#order
qs = _order_query(query['qs'], query['sort'])
#range
response = json_response()
if 'keys' in data:
qs = qs[query['range'][0]:query['range'][1]]
response['data']['items'] = [l.json(data['keys'], request.user) for l in qs]
else:
response['data']['items'] = qs.count()
return render_to_json_response(response)
actions.register(findLists)
@login_required_json
def addListItem(request):
'''
param data
{list: listId,
item: itemId,
quert: ...
}
return {
status: {'code': int, 'text': string},
data: {
}
}
'''
data = json.loads(request.POST['data'])
list = get_object_or_404_json(models.List, pk=data['list'])
if 'item' in data:
item = get_object_or_404_json(models.Item, pk=data['item'])
if list.editable(request.user):
list.add(item)
response = json_response(status=200, text='item added')
else:
response = json_response(status=403, text='not allowed')
elif 'query' in data:
response = json_response(status=501, text='not implemented')
else:
response = json_response(status=501, text='not implemented')
return render_to_json_response(response)
actions.register(addListItem)
@login_required_json
def removeListItem(request):
'''
param data
{list: listId,
item: itemId,
quert: ...
}
return {
status: {'code': int, 'text': string},
data: {
}
}
'''
data = json.loads(request.POST['data'])
list = get_object_or_404_json(models.List, pk=data['list'])
if 'item' in data:
item = get_object_or_404_json(models.Item, pk=data['item'])
if list.editable(request.user):
list.remove(item)
response = json_response(status=200, text='item removed')
else:
response = json_response(status=403, text='not allowed')
elif 'query' in data:
response = json_response(status=501, text='not implemented')
else:
response = json_response(status=501, text='not implemented')
return render_to_json_response(response)
actions.register(removeListItem)
@login_required_json
def addList(request):
'''
param data
{name: value}
return {
status: {'code': int, 'text': string},
data: {
list:
}
}
'''
data = json.loads(request.POST['data'])
if models.List.objects.filter(name=data['name'], user=request.user).count() == 0:
list = models.List(name = data['name'], user=request.user)
list.save()
response = json_response(status=200, text='created')
response['data']['list'] = list.json()
else:
response = json_response(status=200, text='list already exists')
response['data']['errors'] = {'name': 'List already exists'}
return render_to_json_response(response)
actions.register(addList)
@login_required_json
def editList(request):
'''
param data {
key: value
}
keys: name, public, query, featured (if admin)
return {
status: {'code': int, 'text': string},
data: {
}
}
'''
data = json.loads(request.POST['data'])
list = get_list_or_404_json(data['id'])
if list.editable(request.user):
response = json_response()
for key in data:
if key in ('name', 'status', 'query'):
if key in data:
if key == 'query' and not data['query']:
setattr(list, key, {"static":True})
elif key == 'status':
value = data[key]
if value not in list._status:
value = list._status[0]
setattr(list, key, value)
else:
setattr(list, key, data[key])
if request.user.is_staff and 'featured' in data:
list.featured = data['featured']
else:
response = json_response(status=403, text='not allowed')
return render_to_json_response(response)
actions.register(editList)
@login_required_json
def removeList(request):
'''
param data {
name: value,
user: username(only admins)
}
return {
status: {'code': int, 'text': string},
data: {
}
}
'''
data = json.loads(request.POST['data'])
user = request.user.username
if user.is_staff and 'user' in data:
user = data.get('user')
list = get_object_or_404_json(models.List, name=data['name'], user__username=user)
if list.editable(request.user):
list.delete()
else:
response = json_response(status=403, text='not allowed')
return render_to_json_response(response)
actions.register(removeList)
@login_required_json
def subscribeToList(request):
'''
param data {
id: listId,
user: username(only admins)
}
return {
status: {'code': int, 'text': string},
data: {
}
}
'''
data = json.loads(request.POST['data'])
list = get_list_or_404_json(data['id'])
user = request.user
if list.subscribed_users.filter(username=user.username).count() == 0:
list.subscribed_users.add(user)
response = json_response()
return render_to_json_response(response)
actions.register(subscribeToList)
@login_required_json
def unsubscribeFromList(request):
'''
param data {
id: listId,
user: username(only admins)
}
return {
status: {'code': int, 'text': string},
data: {
}
}
'''
data = json.loads(request.POST['data'])
list = get_list_or_404_json(data['id'])
user = request.user
list.subscribed_users.remove(user)
response = json_response()
return render_to_json_response(response)
actions.register(unsubscribeFromList)
@login_required_json
def sortLists(request):
'''
param data {
section: 'my',
ids: [1,2,4,3]
}
return {
status: {'code': int, 'text': string},
data: {
}
}
'''
data = json.loads(request.POST['data'])
position = 0
section = data['section']
#FIXME: featured list needs fixing here
user = request.user
for i in data['ids']:
list = get_list_or_404_json(i)
pos, created = models.Position.objects.get_or_create(list=list, user=request.user, section=data['section'])
pos.position = position
pos.save()
position += 1
response = json_response()
return render_to_json_response(response)
actions.register(sortLists)