def get_valid_end_times(request, selected_date, selected_time=None):
"""Given a start_datetime, return an ajax list of end times"""
if selected_date is None:
return get_json_str_as_http_response2(request, False, "The start date was not found")
if selected_time is None:
return get_json_str_as_http_response2(request, False, "The start time was not found")
try:
time_str = '%s %s' % (selected_date, selected_time)
selected_datetime = datetime.strptime(time_str, '%Y-%m-%d %H-%M')
except:
return get_json_str_as_http_response2(request, False, "The start time was not valid")
timeslot_checker = TimeSlotChecker(selected_date=selected_datetime.date())
end_time_options = timeslot_checker.get_end_times_for_ajax_call(selected_datetime)
if end_time_options is None:
return get_json_str_as_http_response2(request, False, "Sorry! No end times are available")
options_html = render_to_string_remove_spaces('admin_signup/ajax_end_time_options.html'\
, { 'end_time_options' : end_time_options})
options_html_json = simplejson.dumps(options_html)
return get_json_str_as_http_response2(request, True, msg=''\
, json_str=',"options_html" : %s' % options_html_json)
