ajax_filters.py
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# -*- coding: utf-8 -*-/home/janek/src/lexeme_forge/dictionary
from common.decorators import ajax, AjaxError
from common.util import json_decode
from dictionary.models import SavedFilter
@ajax(method='post')
def save_filter(request, name, serialized_filter, super=False, force=False):
existing_filter = SavedFilter.objects.filter(user=request.user, name=name)
if force or not existing_filter:
if existing_filter:
filter = existing_filter[0]
else:
filter = SavedFilter()
filter.name = name
filter.user = request.user
filter.serialized_filter = serialized_filter
filter.super = super
try:
filter.save()
except ValueError as e:
raise AjaxError(e.message)
else:
return {'exists': True}
return {}
@ajax(method='get')
def get_filters(request):
filters = [
{
'id': 'filter%s' % filter.pk,
'name': filter.name,
'params': json_decode(filter.serialized_filter),
}
for filter in SavedFilter.objects.filter(user=request.user)]
return {'filters': filters}
@ajax(method='post')
def delete_filter(request, id):
filter_id = id[len('filter'):]
filter = SavedFilter.objects.get(pk=filter_id)
if filter.user != request.user:
raise AjaxError('access denied')
filter.delete()
return {}