def _set_ajax_widget_pins(request, widget):
# Sets pinned items in a widget based a json structure
# as described in ajax_widget_pins.
#
# Any existing pins are removed and replaced by the pins described in
# the given structure.
try:
pin_info = json.loads(request.raw_post_data)
except ValueError:
logger.exception('bad json')
return HttpResponse("Unable to parse json body", status=400)
new_pins = []
for pi in pin_info['items']:
ni = NewsItem.objects.get(id=pi['id'])
new_pin = PinnedItem(news_item=ni,
widget=widget,
item_number=pi['index'])
expiration = None
if pi.get('expiration_date'):
try:
expiration = datetime.datetime.strptime(
pi['expiration_date'], '%m/%d/%Y')
except ValueError:
return HttpResponse("unable to parse expiration date %s" %
pi['expiration_date'],
status=400)
if pi.get('expiration_time', '').strip():
if expiration is None:
return HttpResponse(
"cannot specify expiration time without expiration date",
status=400)
# Be slightly broad about time formats accepted.
etime = pi['expiration_time'].replace(' ', '').lower()
try:
if etime.endswith('am') or etime.endswith('pm'):
etime = datetime.datetime.strptime(etime, '%I:%M%p')
else:
# Assume it's 24-hour.
etime = datetime.datetime.strptime(etime, '%H:%M')
except ValueError:
return HttpResponse("unable to parse expiration time %s" %
pi['expiration_time'],
status=400)
expiration = expiration.replace(hour=etime.hour,
minute=etime.minute)
if expiration is not None:
new_pin.expiration_date = expiration
new_pins.append(new_pin)
# destroy current pins
PinnedItem.objects.filter(widget=widget).delete()
for pin in new_pins:
pin.save()
if len(new_pins) > 0:
return HttpResponse(status=201)
else:
return HttpResponse(status=200)
