def message():
"""
Handle incoming USSD messages, passed as HTTP requests via the vumi HTTP API.
"""
logger.debug("MESSAGE endpoint called")
# TODO: filter out service messages, such as "content": "state: wait_ussrc"
if request.method == 'POST':
tmp = request.get_json()
msg = VumiMessage(tmp)
if msg.content == "state: wait_ussrc":
logger.debug("End of session message received.")
else:
logger.debug(msg)
try:
user_id = msg.from_addr # user's cellphone number
content = msg.content # selected menu item, if any
mark_online(user_id)
selected_item = None
try:
selected_item = int(content)
except (ValueError, TypeError):
pass
reply_content = generate_output(user_id, selected_item)
if app.debug:
logger.debug(reply_content)
else:
msg.reply(reply_content)
except Exception as e:
logger.exception(e)
pass
return make_response("OK")
