def answer_next_question(v, text, msg, session):
resp = current_question(session.session_id)
event = resp.event
valid, text, error_msg = validate_answer(event, text, v)
# metadata to be applied to the reply message
outbound_metadata = MessageMetadata(
workflow=session.workflow,
reminder_id=session.reminder_id,
xforms_session_couch_id=session._id,
)
if valid:
responses = _get_responses(v.domain, v.owner_id, text,
yield_responses=True)
if has_invalid_response(responses):
mark_as_invalid_response(msg)
text_responses = _responses_to_text(responses)
if len(text_responses) > 0:
response_text = format_message_list(text_responses)
send_sms_to_verified_number(v, response_text,
metadata=outbound_metadata)
else:
mark_as_invalid_response(msg)
response_text = "%s %s" % (error_msg, event.text_prompt)
send_sms_to_verified_number(v, response_text,
metadata=outbound_metadata)
def answer_next_question(v, text, msg, session):
resp = current_question(session.session_id)
event = resp.event
valid, text, error_msg = validate_answer(event, text, v)
# metadata to be applied to the reply message
outbound_metadata = MessageMetadata(
workflow=session.workflow,
reminder_id=session.reminder_id,
xforms_session_couch_id=session._id,
)
if valid:
responses = _get_responses(v.domain, v.owner_id, text,
yield_responses=True)
if has_invalid_response(responses):
mark_as_invalid_response(msg)
text_responses = _responses_to_text(responses)
if len(text_responses) > 0:
response_text = format_message_list(text_responses)
send_sms_to_verified_number(v, response_text,
metadata=outbound_metadata)
else:
mark_as_invalid_response(msg)
response_text = "%s %s" % (error_msg, event.text_prompt)
send_sms_to_verified_number(v, response_text,
metadata=outbound_metadata)
def handle_due_survey_action(domain, contact_id, session_id):
with critical_section_for_smsforms_sessions(contact_id):
session = SQLXFormsSession.by_session_id(session_id)
if (not session or not session.session_is_open
or session.current_action_due > utcnow()):
return
if session.current_action_is_a_reminder:
# Resend the current question in the open survey to the contact
p = PhoneNumber.get_phone_number_for_owner(session.connection_id,
session.phone_number)
if p:
metadata = MessageMetadata(
workflow=session.workflow,
xforms_session_couch_id=session._id,
)
resp = current_question(session.session_id, domain)
send_sms_to_verified_number(
p,
resp.event.text_prompt,
metadata,
logged_subevent=session.related_subevent)
session.move_to_next_action()
session.save()
else:
# Close the session
session.close()
session.save()
def form_session_handler(v, text, msg=None):
"""
The form session handler will use the inbound text to answer the next question
in the open XformsSession for the associated contact. If no session is open,
the handler passes. If multiple sessions are open, they are all closed and an
error message is displayed to the user.
"""
sessions = XFormsSession.get_all_open_sms_sessions(v.domain, v.owner_id)
if len(sessions) > 1:
# If there are multiple sessions, there's no way for us to know which one this message
# belongs to. So we should inform the user that there was an error and to try to restart
# the survey.
for session in sessions:
session.end(False)
session.save()
send_sms_to_verified_number(v, "An error has occurred. Please try restarting the survey.")
return True
session = sessions[0] if len(sessions) == 1 else None
if session is not None:
if msg is not None:
msg.workflow = session.workflow
msg.reminder_id = session.reminder_id
msg.xforms_session_couch_id = session._id
msg.save()
# If there's an open session, treat the inbound text as the answer to the next question
try:
resp = current_question(session.session_id)
event = resp.event
valid, text, error_msg = validate_answer(event, text)
if valid:
responses = _get_responses(v.domain, v.owner_id, text, yield_responses=True)
if has_invalid_response(responses):
if msg:
mark_as_invalid_response(msg)
text_responses = _responses_to_text(responses)
if len(text_responses) > 0:
response_text = format_message_list(text_responses)
send_sms_to_verified_number(v, response_text, workflow=session.workflow, reminder_id=session.reminder_id, xforms_session_couch_id=session._id)
else:
if msg:
mark_as_invalid_response(msg)
send_sms_to_verified_number(v, error_msg + event.text_prompt, workflow=session.workflow, reminder_id=session.reminder_id, xforms_session_couch_id=session._id)
except Exception:
# Catch any touchforms errors
msg_id = msg._id if msg is not None else ""
logging.exception("Exception in form_session_handler for message id %s." % msg_id)
send_sms_to_verified_number(v, "An error has occurred. Please try again later. If the problem persists, try restarting the survey.")
return True
else:
return False
def global_keyword_current(v, text, msg, text_words, open_sessions):
if len(open_sessions) == 1:
session = open_sessions[0]
outbound_metadata = MessageMetadata(
workflow=session.workflow,
reminder_id=session.reminder_id,
xforms_session_couch_id=session._id,
)
resp = current_question(session.session_id)
send_sms_to_verified_number(v, resp.event.text_prompt,
metadata=outbound_metadata)
return True
def global_keyword_current(v, text, msg, text_words, open_sessions):
if len(open_sessions) == 1:
session = open_sessions[0]
outbound_metadata = MessageMetadata(
workflow=session.workflow,
reminder_id=session.reminder_id,
xforms_session_couch_id=session._id,
)
resp = current_question(session.session_id)
send_sms_to_verified_number(v, resp.event.text_prompt,
metadata=outbound_metadata)
return True
def _try_process_as_session_form(self, msg):
"""
Try to process this message like a session-based submission against
an xform.
Returns True if the message matches and was processed.
"""
logger.debug('Attempting to process message as SESSION FORM')
# check if this connection is in a form session:
session = self.get_session(msg)
trigger = self.get_trigger_keyword(msg)
if not trigger and session is None:
logger.debug('Not a session form (no session or trigger kw found')
# catch if they reply to the last text from a previous session; we don't
# want to send them a confusing error message.
recent_sess = self.get_recent_session(msg)
lockout = settings.SMSFORMS_POSTSESSION_LOCKOUT \
if hasattr(settings, 'SMSFORMS_POSTSESSION_LOCKOUT') \
else None
if recent_sess and lockout and datetime.utcnow() < recent_sess.end_time + lockout:
# if no other handlers handle this message, it will be swallowed (in the default phase)
self.swallow = True
return False
elif trigger and session:
# mark old session as 'cancelled' and follow process for creating a new one
logger.debug('Found trigger kw and stale session. Ending old session and starting fresh.')
session.cancel()
session = None
if session:
logger.debug('Found an existing session, attempting to answer question with message content: %s' % msg.text)
last_response = api.current_question(session.session_id)
ans, error_msg = _pre_validate_answer(msg.text, last_response)
# we need the last response to figure out what question type this is.
if error_msg:
msg.respond("%s for \"%s\"" % (error_msg, session.question_to_prompt(last_response)))
return True
responses = tfsms.next_responses(session.session_id, ans, auth=None)
elif trigger:
logger.debug('Found trigger keyword. Starting a new session')
session, responses = self._start_session(msg, trigger)
else:
raise Exception("This is not a legal state. Some of our preconditions failed.")
[msg.respond(session.question_to_prompt(resp)) for resp in responses if resp.text_prompt]
logger.debug('Completed processing message as part of SESSION FORM')
return True
def answer_question(call_log_entry,
recipient,
input_data,
logged_subevent=None):
"""
Returns a list of (responses, answer_is_valid), where responses is the
list of XFormsResponse objects from touchforms and answer_is_valid is
True if input_data passes validation and False if not.
Returning an empty list for responses will end up forcing a hangup
later on in the workflow.
"""
if call_log_entry.xforms_session_id is None:
return ([], None)
try:
current_q = current_question(call_log_entry.xforms_session_id)
except TouchformsError as e:
log_touchforms_error(e, call_log_entry, logged_subevent)
return ([], None)
if current_q.status == 'http-error':
log_error(MessagingEvent.ERROR_TOUCHFORMS_ERROR, call_log_entry,
logged_subevent)
return ([], None)
if validate_answer(input_data, current_q):
answer_is_valid = True
try:
responses = _get_responses(
recipient.domain,
recipient._id,
input_data,
yield_responses=True,
session_id=call_log_entry.xforms_session_id)
except TouchformsError as e:
log_touchforms_error(e, call_log_entry, logged_subevent)
return ([], None)
else:
answer_is_valid = False
call_log_entry.current_question_retry_count += 1
responses = [current_q]
return (responses, answer_is_valid)
def _try_process_as_session_form(self, msg):
"""
Try to process this message like a session-based submission against
an xform.
Returns True if the message matches and was processed.
"""
logger.debug('Attempting to process message as SESSION FORM')
# check if this connection is in a form session:
session = self.get_session(msg)
trigger = self.get_trigger_keyword(msg)
if not trigger and session is None:
logger.debug('Not a session form (no session or trigger kw found')
return
elif trigger and session:
# mark old session as 'cancelled' and follow process for creating a new one
logger.debug('Found trigger kw and stale session. Ending old session and starting fresh.')
session.cancel()
session = None
if session:
logger.debug('Found an existing session, attempting to answer question with message content: %s' % msg.text)
last_response = api.current_question(session.session_id)
ans, error_msg = _pre_validate_answer(msg.text, last_response)
# we need the last response to figure out what question type this is.
if error_msg:
msg.respond("%s for \"%s\"" % (error_msg, _prompt(last_response)))
return True
responses = tfsms.next_responses(session.session_id, ans, auth=None)
elif trigger:
logger.debug('Found trigger keyword. Starting a new session')
session, responses = self._start_session(msg, trigger)
else:
raise Exception("This is not a legal state. Some of our preconditions failed.")
[msg.respond(_prompt(resp)) for resp in responses if resp.text_prompt]
logger.debug('Completed processing message as part of SESSION FORM')
return True
def answer_question(call_log_entry, recipient, input_data, logged_subevent=None):
"""
Returns a list of (responses, answer_is_valid), where responses is the
list of XFormsResponse objects from touchforms and answer_is_valid is
True if input_data passes validation and False if not.
Returning an empty list for responses will end up forcing a hangup
later on in the workflow.
"""
if call_log_entry.xforms_session_id is None:
return ([], None)
try:
current_q = current_question(call_log_entry.xforms_session_id)
except TouchformsError as e:
log_touchforms_error(e, call_log_entry, logged_subevent)
return ([], None)
if current_q.status == "http-error":
log_error(MessagingEvent.ERROR_TOUCHFORMS_ERROR, call_log_entry, logged_subevent)
return ([], None)
if validate_answer(input_data, current_q):
answer_is_valid = True
try:
responses = _get_responses(
recipient.domain,
recipient._id,
input_data,
yield_responses=True,
session_id=call_log_entry.xforms_session_id,
)
except TouchformsError as e:
log_touchforms_error(e, call_log_entry, logged_subevent)
return ([], None)
else:
answer_is_valid = False
call_log_entry.current_question_retry_count += 1
responses = [current_q]
return (responses, answer_is_valid)
def _handle_xformresponse_error(response, msg, session, router, answer=None):
"""
Attempts to retrieve whatever partial XForm Instance (raw XML) may exist
and posts it to couchforms.
Also sets the session.error flag (and session.error_msg).
"""
if not response.is_error:
return
session.error = True
session.error_msg = str(response.error)[:255] #max_length in model
session.save()
session_id = response.session_id or session.session_id
if response.status == 'http-error':
# TODO: translate / customize
err_resp = _("There was a server error. Please try again later")
if session_id:
partial = api.get_raw_instance(session_id)
logger.error('HTTP ERROR. Attempted to get partial XForm instance. Content: %s' % partial)
if partial:
# fire off a the partial using the form-error signal
form_error.send(sender="smsforms", session=session,form=unicode(partial).strip(), router=router)
return _respond_and_end(err_resp, msg, session)
else:
msg.respond(err_resp)
return True
elif response.status == 'validation-error' and session:
logger.debug('Handling Validation Error')
last_response = api.current_question(session.session_id)
if last_response.event and last_response.event.text_prompt:
if answer:
ret_msg = '%s:"%s" in "%s"' % (response.error, answer,
session.question_to_prompt(last_response))
else:
ret_msg = '%s for "%s"' % (response.error,
session.question_to_prompt(last_response))
else:
ret_msg = response.error
return _respond_and_end(ret_msg, msg, session)
def fire_sms_survey_event(reminder, handler, recipients, verified_numbers):
if handler.recipient in [RECIPIENT_CASE, RECIPIENT_SURVEY_SAMPLE]:
if reminder.callback_try_count > 0:
# Handle timeouts
if handler.submit_partial_forms and (
reminder.callback_try_count == len(
reminder.current_event.callback_timeout_intervals)):
# Submit partial form completions
for session_id in reminder.xforms_session_ids:
submit_unfinished_form(session_id,
handler.include_case_side_effects)
else:
# Resend current question
for session_id in reminder.xforms_session_ids:
session = XFormsSession.view(
"smsforms/sessions_by_touchforms_id",
startkey=[session_id],
endkey=[session_id, {}],
include_docs=True).one()
if session.end_time is None:
vn = VerifiedNumber.view(
"sms/verified_number_by_owner_id",
key=session.connection_id,
include_docs=True).one()
if vn is not None:
resp = current_question(session_id)
send_sms_to_verified_number(
vn, resp.event.text_prompt)
return True
else:
reminder.xforms_session_ids = []
# Get the app, module, and form
try:
form_unique_id = reminder.current_event.form_unique_id
form = Form.get_form(form_unique_id)
app = form.get_app()
module = form.get_module()
except Exception as e:
raise_error(reminder, ERROR_FORM)
return False
# Start a touchforms session for each recipient
for recipient in recipients:
verified_number = verified_numbers[recipient.get_id]
if verified_number is None:
if len(recipients) == 1:
raise_error(reminder, ERROR_NO_VERIFIED_NUMBER)
return False
else:
raise_warning() # ERROR_NO_VERIFIED_NUMBER
continue
# Close all currently open sessions
close_open_sessions(reminder.domain, recipient.get_id)
# Start the new session
session, responses = start_session(reminder.domain, recipient,
app, module, form,
recipient.get_id)
session.survey_incentive = handler.survey_incentive
session.save()
reminder.xforms_session_ids.append(session.session_id)
# Send out first message
if len(responses) > 0:
message = format_message_list(responses)
result = send_sms_to_verified_number(
verified_number, message)
if not result:
raise_warning() # Could not send SMS
if len(recipients) == 1:
return result
return True
else:
# TODO: Make sure the above flow works for RECIPIENT_USER and RECIPIENT_OWNER
return False
def form_session_handler(v, text):
# Circular Import
from corehq.apps.reminders.models import SurveyKeyword, FORM_TYPE_ONE_BY_ONE
# Handle incoming sms
session = XFormsSession.view("smsforms/open_sms_sessions_by_connection",
key=[v.domain, v.owner_id],
include_docs=True).one()
text_words = text.upper().split()
# Respond to "#START <keyword>" command
if len(text_words) > 0 and text_words[0] == "#START":
if len(text_words) > 1:
sk = SurveyKeyword.get_keyword(v.domain, text_words[1])
if sk is not None and sk.form_type == FORM_TYPE_ONE_BY_ONE:
if session is not None:
session.end(False)
session.save()
start_session_from_keyword(sk, v)
else:
send_sms_to_verified_number(
v, "Survey '" + text_words[1] + "' not found.")
else:
send_sms_to_verified_number(v, "Usage: #START <keyword>")
# Respond to "#STOP" keyword
elif len(text_words) > 0 and text_words[0] == "#STOP":
if session is not None:
session.end(False)
session.save()
# Respond to "#CURRENT" keyword
elif len(text_words) > 0 and text_words[0] == "#CURRENT":
if session is not None:
resp = current_question(session.session_id)
send_sms_to_verified_number(v, resp.event.text_prompt)
# Respond to unknown command
elif len(text_words) > 0 and text_words[0][0] == "#":
send_sms_to_verified_number(v,
"Unknown command '" + text_words[0] + "'")
# If there's an open session, treat the inbound text as the answer to the next question
elif session is not None:
resp = current_question(session.session_id)
event = resp.event
valid, text, error_msg = validate_answer(event, text)
if valid:
responses = _get_responses(v.domain, v.owner_id, text)
if len(responses) > 0:
response_text = format_message_list(responses)
send_sms_to_verified_number(v, response_text)
else:
send_sms_to_verified_number(v, error_msg + event.text_prompt)
# Try to match the text against a keyword to start a survey
elif len(text_words) > 0:
sk = SurveyKeyword.get_keyword(v.domain, text_words[0])
if sk is not None and sk.form_type == FORM_TYPE_ONE_BY_ONE:
start_session_from_keyword(sk, v)
# TODO should clarify what scenarios this handler actually handles. i.e.,
# should the error responses instead be handler by some generic error/fallback
# handler
return True
def incoming(phone_number, backend_module, gateway_session_id, ivr_event, input_data=None):
# Look up the call if one already exists
call_log_entry = CallLog.view("sms/call_by_session",
startkey=[gateway_session_id, {}],
endkey=[gateway_session_id],
descending=True,
include_docs=True,
limit=1).one()
answer_is_valid = False # This will be set to True if IVR validation passes
error_occurred = False # This will be set to False if touchforms validation passes (i.e., no form constraints fail)
if call_log_entry is not None and backend_module:
if ivr_event == IVR_EVENT_NEW_CALL and call_log_entry.use_precached_first_response:
return HttpResponse(call_log_entry.first_response)
form = Form.get_form(call_log_entry.form_unique_id)
app = form.get_app()
module = form.get_module()
recipient = call_log_entry.recipient
if ivr_event == IVR_EVENT_NEW_CALL:
case_id = call_log_entry.case_id
case_for_case_submission = call_log_entry.case_for_case_submission
session, responses = start_session(recipient.domain, recipient, app,
module, form, case_id, yield_responses=True,
session_type=XFORMS_SESSION_IVR,
case_for_case_submission=case_for_case_submission)
call_log_entry.xforms_session_id = session.session_id
elif ivr_event == IVR_EVENT_INPUT:
if call_log_entry.xforms_session_id is not None:
current_q = current_question(call_log_entry.xforms_session_id)
if validate_answer(input_data, current_q):
answer_is_valid = True
responses = _get_responses(recipient.domain, recipient._id, input_data, yield_responses=True, session_id=call_log_entry.xforms_session_id)
else:
call_log_entry.current_question_retry_count += 1
responses = [current_q]
else:
responses = []
else:
responses = []
ivr_responses = []
hang_up = False
for response in responses:
if response.is_error:
error_occurred = True
call_log_entry.current_question_retry_count += 1
if response.text_prompt is None:
ivr_responses = []
break
else:
ivr_responses.append(format_ivr_response(response.text_prompt, app))
elif response.event.type == "question":
ivr_responses.append(format_ivr_response(response.event.caption, app))
elif response.event.type == "form-complete":
hang_up = True
if answer_is_valid and not error_occurred:
call_log_entry.current_question_retry_count = 0
if call_log_entry.max_question_retries is not None and call_log_entry.current_question_retry_count > call_log_entry.max_question_retries:
# Force hang-up
ivr_responses = []
if len(ivr_responses) == 0:
hang_up = True
input_length = None
if hang_up:
if call_log_entry.xforms_session_id is not None:
# Process disconnect
session = get_session_by_session_id(call_log_entry.xforms_session_id)
if session.end_time is None:
if call_log_entry.submit_partial_form:
submit_unfinished_form(session.session_id, call_log_entry.include_case_side_effects)
else:
session.end(completed=False)
session.save()
else:
# Set input_length to let the ivr gateway know how many digits we need to collect.
# Have to get the current question again, since the last XFormsResponse in responses
# may not have an event if it was a response to a constraint error.
if error_occurred:
current_q = current_question(call_log_entry.xforms_session_id)
else:
current_q = responses[-1]
input_length = get_input_length(current_q)
call_log_entry.save()
return HttpResponse(backend_module.get_http_response_string(gateway_session_id, ivr_responses, collect_input=(not hang_up), hang_up=hang_up, input_length=input_length))
# If not processed, just log the call
if call_log_entry:
# No need to log, already exists
return HttpResponse("")
cleaned_number = phone_number
if cleaned_number is not None and len(cleaned_number) > 0 and cleaned_number[0] == "+":
cleaned_number = cleaned_number[1:]
# Try to look up the verified number entry
v = VerifiedNumber.view("sms/verified_number_by_number",
key=cleaned_number,
include_docs=True
).one()
# If none was found, try to match only the last digits of numbers in the database
if v is None:
v = VerifiedNumber.view("sms/verified_number_by_suffix",
key=cleaned_number,
include_docs=True
).one()
# Save the call entry
msg = CallLog(
phone_number=cleaned_number,
direction=INCOMING,
date=datetime.utcnow(),
backend_api=backend_module.API_ID if backend_module else None,
gateway_session_id=gateway_session_id,
)
if v is not None:
msg.domain = v.domain
msg.couch_recipient_doc_type = v.owner_doc_type
msg.couch_recipient = v.owner_id
msg.save()
return HttpResponse("")
def fire_sms_survey_event(reminder, handler, recipients, verified_numbers):
if handler.recipient in [RECIPIENT_CASE, RECIPIENT_SURVEY_SAMPLE]:
if reminder.callback_try_count > 0:
# Handle timeouts
if handler.submit_partial_forms and (reminder.callback_try_count == len(reminder.current_event.callback_timeout_intervals)):
# Submit partial form completions
for session_id in reminder.xforms_session_ids:
submit_unfinished_form(session_id, handler.include_case_side_effects)
else:
# Resend current question
for session_id in reminder.xforms_session_ids:
session = XFormsSession.view("smsforms/sessions_by_touchforms_id",
startkey=[session_id],
endkey=[session_id, {}],
include_docs=True).one()
if session.end_time is None:
vn = VerifiedNumber.view("sms/verified_number_by_owner_id",
key=session.connection_id,
include_docs=True).one()
if vn is not None:
resp = current_question(session_id)
send_sms_to_verified_number(vn, resp.event.text_prompt)
return True
else:
reminder.xforms_session_ids = []
# Get the app, module, and form
try:
form_unique_id = reminder.current_event.form_unique_id
form = Form.get_form(form_unique_id)
app = form.get_app()
module = form.get_module()
except Exception as e:
raise_error(reminder, ERROR_FORM)
return False
# Start a touchforms session for each recipient
for recipient in recipients:
verified_number = verified_numbers[recipient.get_id]
if verified_number is None:
if len(recipients) == 1:
raise_error(reminder, ERROR_NO_VERIFIED_NUMBER)
return False
else:
raise_warning() # ERROR_NO_VERIFIED_NUMBER
continue
# Close all currently open sessions
close_open_sessions(reminder.domain, recipient.get_id)
# Start the new session
session, responses = start_session(reminder.domain, recipient, app, module, form, recipient.get_id)
session.survey_incentive = handler.survey_incentive
session.save()
reminder.xforms_session_ids.append(session.session_id)
# Send out first message
if len(responses) > 0:
message = format_message_list(responses)
result = send_sms_to_verified_number(verified_number, message)
if not result:
raise_warning() # Could not send SMS
if len(recipients) == 1:
return result
return True
else:
# TODO: Make sure the above flow works for RECIPIENT_USER and RECIPIENT_OWNER
return False
def fire_sms_survey_event(reminder, handler, recipients, verified_numbers,
logged_event):
if reminder.callback_try_count > 0:
# Handle timeouts
if handler.submit_partial_forms and (
reminder.callback_try_count == len(
reminder.current_event.callback_timeout_intervals)):
# Submit partial form completions
for session_id in reminder.xforms_session_ids:
submit_unfinished_form(session_id,
handler.include_case_side_effects)
else:
# Resend current question
for session_id in reminder.xforms_session_ids:
session = get_session_by_session_id(session_id)
if session.end_time is None:
vn = VerifiedNumber.view("sms/verified_number_by_owner_id",
key=session.connection_id,
include_docs=True).first()
if vn is not None:
metadata = MessageMetadata(
workflow=get_workflow(handler),
reminder_id=reminder._id,
xforms_session_couch_id=session._id,
)
resp = current_question(session_id)
send_sms_to_verified_number(vn, resp.event.text_prompt,
metadata)
else:
reminder.xforms_session_ids = []
domain_obj = Domain.get_by_name(reminder.domain, strict=True)
# Get the app, module, and form
try:
form_unique_id = reminder.current_event.form_unique_id
form = Form.get_form(form_unique_id)
app = form.get_app()
module = form.get_module()
except Exception:
logged_event.error(MessagingEvent.ERROR_CANNOT_FIND_FORM)
return
# Start a touchforms session for each recipient
for recipient in recipients:
logged_subevent = logged_event.create_subevent(
handler, reminder, recipient)
verified_number, unverified_number = get_recipient_phone_number(
reminder, recipient, verified_numbers)
no_verified_number = verified_number is None
cant_use_unverified_number = (
unverified_number is None
or not domain_obj.send_to_duplicated_case_numbers
or form_requires_input(form))
if no_verified_number and cant_use_unverified_number:
logged_subevent.error(
MessagingEvent.ERROR_NO_TWO_WAY_PHONE_NUMBER)
continue
key = "start-sms-survey-for-contact-%s" % recipient.get_id
with CriticalSection([key], timeout=60):
# Get the case to submit the form against, if any
if (isinstance(recipient, CommCareCase)
and not handler.force_surveys_to_use_triggered_case):
case_id = recipient.get_id
else:
case_id = reminder.case_id
if form.requires_case() and not case_id:
logged_subevent.error(MessagingEvent.ERROR_NO_CASE_GIVEN)
continue
# Close all currently open sessions
SQLXFormsSession.close_all_open_sms_sessions(
reminder.domain, recipient.get_id)
# Start the new session
try:
session, responses = start_session(
reminder.domain,
recipient,
app,
module,
form,
case_id,
case_for_case_submission=handler.
force_surveys_to_use_triggered_case)
except TouchformsError as e:
human_readable_message = e.response_data.get(
'human_readable_message', None)
logged_subevent.error(
MessagingEvent.ERROR_TOUCHFORMS_ERROR,
additional_error_text=human_readable_message)
if touchforms_error_is_config_error(e):
# Don't reraise the exception because this means there are configuration
# issues with the form that need to be fixed
continue
else:
# Reraise the exception so that the framework retries it again later
raise
except Exception as e:
logged_subevent.error(
MessagingEvent.ERROR_TOUCHFORMS_ERROR)
# Reraise the exception so that the framework retries it again later
raise
session.survey_incentive = handler.survey_incentive
session.workflow = get_workflow(handler)
session.reminder_id = reminder._id
session.save()
reminder.xforms_session_ids.append(session.session_id)
logged_subevent.xforms_session = session
logged_subevent.save()
# Send out first message
if len(responses) > 0:
message = format_message_list(responses)
metadata = MessageMetadata(
workflow=get_workflow(handler),
reminder_id=reminder._id,
xforms_session_couch_id=session._id,
)
if verified_number:
send_sms_to_verified_number(verified_number, message,
metadata)
else:
send_sms(reminder.domain, recipient, unverified_number,
message, metadata)
logged_subevent.completed()
def form_session_handler(v, text):
# Circular Import
from corehq.apps.reminders.models import SurveyKeyword
# Handle incoming sms
session = XFormsSession.view("smsforms/open_sms_sessions_by_connection",
key=[v.domain, v.owner_id],
include_docs=True).one()
text_words = text.upper().split()
# Respond to "#START <keyword>" command
if len(text_words) > 0 and text_words[0] == "#START":
if len(text_words) > 1:
sk = SurveyKeyword.get_keyword(v.domain, text_words[1])
if sk is not None:
if session is not None:
session.end(False)
session.save()
start_session_from_keyword(sk, v)
else:
send_sms_to_verified_number(v, "Survey '" + text_words[1] + "' not found.")
else:
send_sms_to_verified_number(v, "Usage: #START <keyword>")
# Respond to "#STOP" keyword
elif len(text_words) > 0 and text_words[0] == "#STOP":
if session is not None:
session.end(False)
session.save()
# Respond to "#CURRENT" keyword
elif len(text_words) > 0 and text_words[0] == "#CURRENT":
if session is not None:
resp = current_question(session.session_id)
send_sms_to_verified_number(v, resp.event.text_prompt)
# Respond to unknown command
elif len(text_words) > 0 and text_words[0][0] == "#":
send_sms_to_verified_number(v, "Unknown command '" + text_words[0] + "'")
# If there's an open session, treat the inbound text as the answer to the next question
elif session is not None:
resp = current_question(session.session_id)
event = resp.event
valid = False
text = text.strip()
upper_text = text.upper()
# Validate select
if event.datatype == "select":
# Try to match on phrase (i.e., "Yes" or "No")
choices = format_choices(event._dict["choices"])
if upper_text in choices:
text = str(choices[upper_text])
valid = True
else:
try:
answer = int(text)
if answer >= 1 and answer <= len(event._dict["choices"]):
valid = True
except ValueError:
pass
# Validate multiselect
elif event.datatype == "multiselect":
choices = format_choices(event._dict["choices"])
max_index = len(event._dict["choices"])
proposed_answers = text.split()
final_answers = {}
try:
if event._dict.get("required", True):
assert len(proposed_answers) > 0
for answer in proposed_answers:
upper_answer = answer.upper()
if upper_answer in choices:
final_answers[str(choices[upper_answer])] = ""
else:
int_answer = int(answer)
assert int_answer >= 1 and int_answer <= max_index
final_answers[str(int_answer)] = ""
text = " ".join(final_answers.keys())
valid = True
except Exception:
pass
# Validate int
elif event.datatype == "int":
try:
int(text)
valid = True
except ValueError:
pass
# Validate float
elif event.datatype == "float":
try:
float(text)
valid = True
except ValueError:
pass
# Validate longint
elif event.datatype == "longint":
try:
long(text)
valid = True
except ValueError:
pass
# Validate date (Format: YYYYMMDD)
elif event.datatype == "date":
try:
assert len(text) == 8
int(text)
text = text[0:4] + "-" + text[4:6] + "-" + text[6:]
parse(text)
valid = True
except Exception:
pass
# Validate time (Format: HHMM, 24-hour)
elif event.datatype == "time":
try:
assert len(text) == 4
hour = int(text[0:2])
minute = int(text[2:])
assert hour >= 0 and hour <= 23
assert minute >= 0 and minute <= 59
text = "%s:%s" % (hour, minute)
valid = True
except Exception:
pass
# Other question types pass
else:
valid = True
if valid:
responses = _get_responses(v.domain, v.owner_id, text)
if len(responses) > 0:
response_text = format_message_list(responses)
send_sms_to_verified_number(v, response_text)
else:
error_msg = "Invalid Response. " + event.text_prompt
send_sms_to_verified_number(v, error_msg)
# Try to match the text against a keyword to start a survey
elif len(text_words) > 0:
sk = SurveyKeyword.get_keyword(v.domain, text_words[0])
if sk is not None:
start_session_from_keyword(sk, v)
# TODO should clarify what scenarios this handler actually handles. i.e.,
# should the error responses instead be handler by some generic error/fallback
# handler
return True
def fire_sms_survey_event(reminder, handler, recipients, verified_numbers):
if reminder.callback_try_count > 0:
# Handle timeouts
if handler.submit_partial_forms and (
reminder.callback_try_count == len(
reminder.current_event.callback_timeout_intervals)):
# Submit partial form completions
for session_id in reminder.xforms_session_ids:
submit_unfinished_form(session_id,
handler.include_case_side_effects)
else:
# Resend current question
for session_id in reminder.xforms_session_ids:
session = XFormsSession.view(
"smsforms/sessions_by_touchforms_id",
startkey=[session_id],
endkey=[session_id, {}],
include_docs=True).one()
if session.end_time is None:
vn = VerifiedNumber.view("sms/verified_number_by_owner_id",
key=session.connection_id,
include_docs=True).first()
if vn is not None:
metadata = MessageMetadata(
workflow=get_workflow(handler),
reminder_id=reminder._id,
xforms_session_couch_id=session._id,
)
resp = current_question(session_id)
send_sms_to_verified_number(vn, resp.event.text_prompt,
metadata)
return True
else:
reminder.xforms_session_ids = []
# Get the app, module, and form
try:
form_unique_id = reminder.current_event.form_unique_id
form = Form.get_form(form_unique_id)
app = form.get_app()
module = form.get_module()
except Exception as e:
raise_error(reminder, ERROR_FORM)
return False
# Start a touchforms session for each recipient
for recipient in recipients:
verified_number, unverified_number = get_recipient_phone_number(
reminder, recipient, verified_numbers)
domain_obj = Domain.get_by_name(reminder.domain, strict=True)
no_verified_number = verified_number is None
cant_use_unverified_number = (
unverified_number is None
or not domain_obj.send_to_duplicated_case_numbers
or form_requires_input(form))
if no_verified_number and cant_use_unverified_number:
if len(recipients) == 1:
raise_error(reminder, ERROR_NO_VERIFIED_NUMBER)
return False
else:
continue
# Close all currently open sessions
XFormsSession.close_all_open_sms_sessions(reminder.domain,
recipient.get_id)
# Start the new session
if isinstance(
recipient, CommCareCase
) and not handler.force_surveys_to_use_triggered_case:
case_id = recipient.get_id
else:
case_id = reminder.case_id
session, responses = start_session(
reminder.domain,
recipient,
app,
module,
form,
case_id,
case_for_case_submission=handler.
force_surveys_to_use_triggered_case)
session.survey_incentive = handler.survey_incentive
session.workflow = get_workflow(handler)
session.reminder_id = reminder._id
session.save()
reminder.xforms_session_ids.append(session.session_id)
# Send out first message
if len(responses) > 0:
message = format_message_list(responses)
metadata = MessageMetadata(
workflow=get_workflow(handler),
reminder_id=reminder._id,
xforms_session_couch_id=session._id,
)
if verified_number:
result = send_sms_to_verified_number(
verified_number, message, metadata)
else:
result = send_sms(reminder.domain, recipient,
unverified_number, message, metadata)
if len(recipients) == 1:
return result
return True
def fire_sms_survey_event(reminder, handler, recipients, verified_numbers):
if reminder.callback_try_count > 0:
# Handle timeouts
if handler.submit_partial_forms and (reminder.callback_try_count == len(reminder.current_event.callback_timeout_intervals)):
# Submit partial form completions
for session_id in reminder.xforms_session_ids:
submit_unfinished_form(session_id, handler.include_case_side_effects)
else:
# Resend current question
for session_id in reminder.xforms_session_ids:
session = XFormsSession.view("smsforms/sessions_by_touchforms_id",
startkey=[session_id],
endkey=[session_id, {}],
include_docs=True).one()
if session.end_time is None:
vn = VerifiedNumber.view("sms/verified_number_by_owner_id",
key=session.connection_id,
include_docs=True).first()
if vn is not None:
metadata = MessageMetadata(
workflow=get_workflow(handler),
reminder_id=reminder._id,
xforms_session_couch_id=session._id,
)
resp = current_question(session_id)
send_sms_to_verified_number(vn, resp.event.text_prompt, metadata)
return True
else:
reminder.xforms_session_ids = []
# Get the app, module, and form
try:
form_unique_id = reminder.current_event.form_unique_id
form = Form.get_form(form_unique_id)
app = form.get_app()
module = form.get_module()
except Exception as e:
raise_error(reminder, ERROR_FORM)
return False
# Start a touchforms session for each recipient
for recipient in recipients:
verified_number, unverified_number = get_recipient_phone_number(
reminder, recipient, verified_numbers)
domain_obj = Domain.get_by_name(reminder.domain, strict=True)
no_verified_number = verified_number is None
cant_use_unverified_number = (unverified_number is None or
not domain_obj.send_to_duplicated_case_numbers or
form_requires_input(form))
if no_verified_number and cant_use_unverified_number:
if len(recipients) == 1:
raise_error(reminder, ERROR_NO_VERIFIED_NUMBER)
return False
else:
continue
# Close all currently open sessions
XFormsSession.close_all_open_sms_sessions(reminder.domain, recipient.get_id)
# Start the new session
if isinstance(recipient, CommCareCase) and not handler.force_surveys_to_use_triggered_case:
case_id = recipient.get_id
else:
case_id = reminder.case_id
session, responses = start_session(reminder.domain, recipient, app, module, form, case_id, case_for_case_submission=handler.force_surveys_to_use_triggered_case)
session.survey_incentive = handler.survey_incentive
session.workflow = get_workflow(handler)
session.reminder_id = reminder._id
session.save()
reminder.xforms_session_ids.append(session.session_id)
# Send out first message
if len(responses) > 0:
message = format_message_list(responses)
metadata = MessageMetadata(
workflow=get_workflow(handler),
reminder_id=reminder._id,
xforms_session_couch_id=session._id,
)
if verified_number:
result = send_sms_to_verified_number(verified_number, message, metadata)
else:
result = send_sms(reminder.domain, recipient, unverified_number,
message, metadata)
if len(recipients) == 1:
return result
return True
def handle_known_call_session(call_log_entry,
backend_module,
ivr_event,
input_data=None,
logged_subevent=None):
if (ivr_event == IVR_EVENT_NEW_CALL
and call_log_entry.use_precached_first_response):
# This means we precached the first IVR response when we
# initiated the call, so all we need to do is return that
# response.
return HttpResponse(call_log_entry.first_response)
app, module, form, error = get_app_module_form(call_log_entry,
logged_subevent)
if error:
return hang_up_response(call_log_entry.gateway_session_id,
backend_module=backend_module)
recipient = call_log_entry.recipient
answer_is_valid = True
if ivr_event == IVR_EVENT_NEW_CALL:
session, responses, error = start_call_session(recipient,
call_log_entry,
logged_subevent, app,
module, form)
if error:
return hang_up_response(call_log_entry.gateway_session_id,
backend_module=backend_module)
call_log_entry.xforms_session_id = session.session_id
elif ivr_event == IVR_EVENT_INPUT:
responses, answer_is_valid = answer_question(
call_log_entry,
recipient,
input_data,
logged_subevent=logged_subevent)
else:
responses = []
ivr_responses, question_constraint_failed, hang_up = \
get_ivr_responses_from_touchforms_responses(call_log_entry, responses, app)
if answer_is_valid and not question_constraint_failed:
# If there were no validation errors (including question contraint errors),
# then reset the current question retry count to 0.
call_log_entry.current_question_retry_count = 0
if (call_log_entry.max_question_retries is not None
and call_log_entry.current_question_retry_count >
call_log_entry.max_question_retries):
# We have retried to current question too many times without
# getting a valid answer, so force a hang-up.
ivr_responses = []
if len(ivr_responses) == 0:
hang_up = True
input_length = None
if hang_up:
process_disconnect(call_log_entry)
else:
# Set input_length to let the ivr gateway know how many digits we need to collect.
# If the latest XFormsResponse we have was a response to a contraint error, then
# it won't have an event, so in that case we have to get the current question again.
if question_constraint_failed:
current_q = current_question(call_log_entry.xforms_session_id)
else:
current_q = responses[-1]
input_length = get_input_length(current_q)
call_log_entry.save()
return HttpResponse(
backend_module.get_http_response_string(
call_log_entry.gateway_session_id,
ivr_responses,
collect_input=(not hang_up),
hang_up=hang_up,
input_length=input_length))
def form_session_handler(v, text):
# Circular Import
from corehq.apps.reminders.models import SurveyKeyword, FORM_TYPE_ONE_BY_ONE
# Handle incoming sms
session = XFormsSession.view(
"smsforms/open_sms_sessions_by_connection", key=[v.domain, v.owner_id], include_docs=True
).one()
text_words = text.upper().split()
# Respond to "#START <keyword>" command
if len(text_words) > 0 and text_words[0] == "#START":
if len(text_words) > 1:
sk = SurveyKeyword.get_keyword(v.domain, text_words[1])
if sk is not None and sk.form_type == FORM_TYPE_ONE_BY_ONE:
if session is not None:
session.end(False)
session.save()
start_session_from_keyword(sk, v)
else:
send_sms_to_verified_number(v, "Survey '" + text_words[1] + "' not found.")
else:
send_sms_to_verified_number(v, "Usage: #START <keyword>")
# Respond to "#STOP" keyword
elif len(text_words) > 0 and text_words[0] == "#STOP":
if session is not None:
session.end(False)
session.save()
# Respond to "#CURRENT" keyword
elif len(text_words) > 0 and text_words[0] == "#CURRENT":
if session is not None:
resp = current_question(session.session_id)
send_sms_to_verified_number(v, resp.event.text_prompt)
# Respond to unknown command
elif len(text_words) > 0 and text_words[0][0] == "#":
send_sms_to_verified_number(v, "Unknown command '" + text_words[0] + "'")
# If there's an open session, treat the inbound text as the answer to the next question
elif session is not None:
resp = current_question(session.session_id)
event = resp.event
valid, text, error_msg = validate_answer(event, text)
if valid:
responses = _get_responses(v.domain, v.owner_id, text)
if len(responses) > 0:
response_text = format_message_list(responses)
send_sms_to_verified_number(v, response_text)
else:
send_sms_to_verified_number(v, error_msg + event.text_prompt)
# Try to match the text against a keyword to start a survey
elif len(text_words) > 0:
sk = SurveyKeyword.get_keyword(v.domain, text_words[0])
if sk is not None and sk.form_type == FORM_TYPE_ONE_BY_ONE:
start_session_from_keyword(sk, v)
# TODO should clarify what scenarios this handler actually handles. i.e.,
# should the error responses instead be handler by some generic error/fallback
# handler
return True
def sms_keyword_handler(v, text, msg=None):
from corehq.apps.reminders.models import SurveyKeyword
text = text.strip()
if text == "":
return False
sessions = XFormsSession.get_all_open_sms_sessions(v.domain, v.owner_id)
any_session_open = len(sessions) > 0
text_words = text.upper().split()
if text.startswith("#"):
if len(text_words) > 0 and text_words[0] == "#START":
# Respond to "#START <keyword>" command
if len(text_words) > 1:
sk = SurveyKeyword.get_keyword(v.domain, text_words[1])
if sk is not None:
if len(sk.initiator_doc_type_filter) > 0 and v.owner_doc_type not in sk.initiator_doc_type_filter:
# The contact type is not allowed to invoke this keyword
return False
process_survey_keyword_actions(v, sk, text[6:].strip(), msg=msg)
else:
send_sms_to_verified_number(
v, "Keyword not found: '%s'." % text_words[1], workflow=WORKFLOW_KEYWORD
)
else:
send_sms_to_verified_number(v, "Usage: #START <keyword>", workflow=WORKFLOW_KEYWORD)
elif len(text_words) > 0 and text_words[0] == "#STOP":
# Respond to "#STOP" keyword
XFormsSession.close_all_open_sms_sessions(v.domain, v.owner_id)
elif len(text_words) > 0 and text_words[0] == "#CURRENT":
# Respond to "#CURRENT" keyword
if len(sessions) == 1:
resp = current_question(sessions[0].session_id)
send_sms_to_verified_number(
v,
resp.event.text_prompt,
workflow=sessions[0].workflow,
reminder_id=sessions[0].reminder_id,
xforms_session_couch_id=sessions[0]._id,
)
else:
# Response to unknown command
send_sms_to_verified_number(v, "Unknown command: '%s'" % text_words[0])
if msg is not None:
msg.workflow = WORKFLOW_KEYWORD
msg.save()
return True
else:
for survey_keyword in SurveyKeyword.get_all(v.domain):
if survey_keyword.delimiter is not None:
args = text.split(survey_keyword.delimiter)
else:
args = text.split()
keyword = args[0].strip().upper()
if keyword == survey_keyword.keyword.upper():
if any_session_open and not survey_keyword.override_open_sessions:
# We don't want to override any open sessions, so just pass and let the form session handler handle the message
return False
elif (
len(survey_keyword.initiator_doc_type_filter) > 0
and v.owner_doc_type not in survey_keyword.initiator_doc_type_filter
):
# The contact type is not allowed to invoke this keyword
return False
else:
process_survey_keyword_actions(v, survey_keyword, text, msg=msg)
if msg is not None:
msg.workflow = WORKFLOW_KEYWORD
msg.save()
return True
# No keywords matched, so pass the message onto the next handler
return False
def fire_sms_survey_event(reminder, handler, recipients, verified_numbers, logged_event):
if reminder.callback_try_count > 0:
# Handle timeouts
if handler.submit_partial_forms and (
reminder.callback_try_count == len(reminder.current_event.callback_timeout_intervals)
):
# Submit partial form completions
for session_id in reminder.xforms_session_ids:
submit_unfinished_form(session_id, handler.include_case_side_effects)
else:
# Resend current question
for session_id in reminder.xforms_session_ids:
session = get_session_by_session_id(session_id)
if session.end_time is None:
vn = VerifiedNumber.view(
"sms/verified_number_by_owner_id", key=session.connection_id, include_docs=True
).first()
if vn is not None:
metadata = MessageMetadata(
workflow=get_workflow(handler),
reminder_id=reminder._id,
xforms_session_couch_id=session._id,
)
resp = current_question(session_id)
send_sms_to_verified_number(vn, resp.event.text_prompt, metadata)
else:
reminder.xforms_session_ids = []
domain_obj = Domain.get_by_name(reminder.domain, strict=True)
# Get the app, module, and form
try:
form_unique_id = reminder.current_event.form_unique_id
form = Form.get_form(form_unique_id)
app = form.get_app()
module = form.get_module()
except Exception:
logged_event.error(MessagingEvent.ERROR_CANNOT_FIND_FORM)
return
# Start a touchforms session for each recipient
for recipient in recipients:
logged_subevent = logged_event.create_subevent(handler, reminder, recipient)
verified_number, unverified_number = get_recipient_phone_number(reminder, recipient, verified_numbers)
no_verified_number = verified_number is None
cant_use_unverified_number = (
unverified_number is None or not domain_obj.send_to_duplicated_case_numbers or form_requires_input(form)
)
if no_verified_number and cant_use_unverified_number:
logged_subevent.error(MessagingEvent.ERROR_NO_TWO_WAY_PHONE_NUMBER)
continue
key = "start-sms-survey-for-contact-%s" % recipient.get_id
with CriticalSection([key], timeout=60):
# Get the case to submit the form against, if any
if isinstance(recipient, CommCareCase) and not handler.force_surveys_to_use_triggered_case:
case_id = recipient.get_id
else:
case_id = reminder.case_id
if form.requires_case() and not case_id:
logged_subevent.error(MessagingEvent.ERROR_NO_CASE_GIVEN)
continue
# Close all currently open sessions
SQLXFormsSession.close_all_open_sms_sessions(reminder.domain, recipient.get_id)
# Start the new session
try:
session, responses = start_session(
reminder.domain,
recipient,
app,
module,
form,
case_id,
case_for_case_submission=handler.force_surveys_to_use_triggered_case,
)
except TouchformsError as e:
human_readable_message = e.response_data.get("human_readable_message", None)
logged_subevent.error(
MessagingEvent.ERROR_TOUCHFORMS_ERROR, additional_error_text=human_readable_message
)
if touchforms_error_is_config_error(e):
# Don't reraise the exception because this means there are configuration
# issues with the form that need to be fixed
continue
else:
# Reraise the exception so that the framework retries it again later
raise
except Exception as e:
logged_subevent.error(MessagingEvent.ERROR_TOUCHFORMS_ERROR)
# Reraise the exception so that the framework retries it again later
raise
session.survey_incentive = handler.survey_incentive
session.workflow = get_workflow(handler)
session.reminder_id = reminder._id
session.save()
reminder.xforms_session_ids.append(session.session_id)
logged_subevent.xforms_session = session
logged_subevent.save()
# Send out first message
if len(responses) > 0:
message = format_message_list(responses)
metadata = MessageMetadata(
workflow=get_workflow(handler), reminder_id=reminder._id, xforms_session_couch_id=session._id
)
if verified_number:
send_sms_to_verified_number(verified_number, message, metadata)
else:
send_sms(reminder.domain, recipient, unverified_number, message, metadata)
logged_subevent.completed()
def incoming(phone_number,
backend_module,
gateway_session_id,
ivr_event,
input_data=None):
# Look up the call if one already exists
call_log_entry = CallLog.view("sms/call_by_session",
startkey=[gateway_session_id, {}],
endkey=[gateway_session_id],
descending=True,
include_docs=True,
limit=1).one()
answer_is_valid = False # This will be set to True if IVR validation passes
error_occurred = False # This will be set to False if touchforms validation passes (i.e., no form constraints fail)
if call_log_entry is not None and backend_module:
if ivr_event == IVR_EVENT_NEW_CALL and call_log_entry.use_precached_first_response:
return HttpResponse(call_log_entry.first_response)
form = Form.get_form(call_log_entry.form_unique_id)
app = form.get_app()
module = form.get_module()
recipient = call_log_entry.recipient
if ivr_event == IVR_EVENT_NEW_CALL:
case_id = call_log_entry.case_id
case_for_case_submission = call_log_entry.case_for_case_submission
session, responses = start_session(
recipient.domain,
recipient,
app,
module,
form,
case_id,
yield_responses=True,
session_type=XFORMS_SESSION_IVR,
case_for_case_submission=case_for_case_submission)
call_log_entry.xforms_session_id = session.session_id
elif ivr_event == IVR_EVENT_INPUT:
if call_log_entry.xforms_session_id is not None:
current_q = current_question(call_log_entry.xforms_session_id)
if validate_answer(input_data, current_q):
answer_is_valid = True
responses = _get_responses(
recipient.domain,
recipient._id,
input_data,
yield_responses=True,
session_id=call_log_entry.xforms_session_id)
else:
call_log_entry.current_question_retry_count += 1
responses = [current_q]
else:
responses = []
else:
responses = []
ivr_responses = []
hang_up = False
for response in responses:
if response.is_error:
error_occurred = True
call_log_entry.current_question_retry_count += 1
if response.text_prompt is None:
ivr_responses = []
break
else:
ivr_responses.append(
format_ivr_response(response.text_prompt, app))
elif response.event.type == "question":
ivr_responses.append(
format_ivr_response(response.event.caption, app))
elif response.event.type == "form-complete":
hang_up = True
if answer_is_valid and not error_occurred:
call_log_entry.current_question_retry_count = 0
if call_log_entry.max_question_retries is not None and call_log_entry.current_question_retry_count > call_log_entry.max_question_retries:
# Force hang-up
ivr_responses = []
if len(ivr_responses) == 0:
hang_up = True
input_length = None
if hang_up:
if call_log_entry.xforms_session_id is not None:
# Process disconnect
session = XFormsSession.latest_by_session_id(
call_log_entry.xforms_session_id)
if session.end_time is None:
if call_log_entry.submit_partial_form:
submit_unfinished_form(
session.session_id,
call_log_entry.include_case_side_effects)
else:
session.end(completed=False)
session.save()
else:
# Set input_length to let the ivr gateway know how many digits we need to collect.
# Have to get the current question again, since the last XFormsResponse in responses
# may not have an event if it was a response to a constraint error.
if error_occurred:
current_q = current_question(call_log_entry.xforms_session_id)
else:
current_q = responses[-1]
input_length = get_input_length(current_q)
call_log_entry.save()
return HttpResponse(
backend_module.get_http_response_string(
gateway_session_id,
ivr_responses,
collect_input=(not hang_up),
hang_up=hang_up,
input_length=input_length))
# If not processed, just log the call
if call_log_entry:
# No need to log, already exists
return HttpResponse("")
cleaned_number = phone_number
if cleaned_number is not None and len(
cleaned_number) > 0 and cleaned_number[0] == "+":
cleaned_number = cleaned_number[1:]
# Try to look up the verified number entry
v = VerifiedNumber.view("sms/verified_number_by_number",
key=cleaned_number,
include_docs=True).one()
# If none was found, try to match only the last digits of numbers in the database
if v is None:
v = VerifiedNumber.view("sms/verified_number_by_suffix",
key=cleaned_number,
include_docs=True).one()
# Save the call entry
msg = CallLog(
phone_number=cleaned_number,
direction=INCOMING,
date=datetime.utcnow(),
backend_api=backend_module.API_ID if backend_module else None,
gateway_session_id=gateway_session_id,
)
if v is not None:
msg.domain = v.domain
msg.couch_recipient_doc_type = v.owner_doc_type
msg.couch_recipient = v.owner_id
msg.save()
return HttpResponse("")
def handle_known_call_session(call_log_entry, backend_module, ivr_event,
input_data=None, logged_subevent=None):
if (ivr_event == IVR_EVENT_NEW_CALL and
call_log_entry.use_precached_first_response):
# This means we precached the first IVR response when we
# initiated the call, so all we need to do is return that
# response.
return HttpResponse(call_log_entry.first_response)
app, module, form, error = get_app_module_form(call_log_entry, logged_subevent)
if error:
return hang_up_response(call_log_entry.gateway_session_id,
backend_module=backend_module)
recipient = call_log_entry.recipient
answer_is_valid = True
if ivr_event == IVR_EVENT_NEW_CALL:
session, responses, error = start_call_session(recipient,
call_log_entry, logged_subevent, app, module, form)
if error:
return hang_up_response(call_log_entry.gateway_session_id,
backend_module=backend_module)
call_log_entry.xforms_session_id = session.session_id
elif ivr_event == IVR_EVENT_INPUT:
responses, answer_is_valid = answer_question(call_log_entry, recipient,
input_data, logged_subevent=logged_subevent)
else:
responses = []
ivr_responses, question_constraint_failed, hang_up = \
get_ivr_responses_from_touchforms_responses(call_log_entry, responses, app)
if answer_is_valid and not question_constraint_failed:
# If there were no validation errors (including question contraint errors),
# then reset the current question retry count to 0.
call_log_entry.current_question_retry_count = 0
if (call_log_entry.max_question_retries is not None and
call_log_entry.current_question_retry_count > call_log_entry.max_question_retries):
# We have retried to current question too many times without
# getting a valid answer, so force a hang-up.
ivr_responses = []
if len(ivr_responses) == 0:
hang_up = True
input_length = None
if hang_up:
process_disconnect(call_log_entry)
else:
# Set input_length to let the ivr gateway know how many digits we need to collect.
# If the latest XFormsResponse we have was a response to a contraint error, then
# it won't have an event, so in that case we have to get the current question again.
if question_constraint_failed:
current_q = current_question(call_log_entry.xforms_session_id)
else:
current_q = responses[-1]
input_length = get_input_length(current_q)
call_log_entry.save()
return HttpResponse(
backend_module.get_http_response_string(call_log_entry.gateway_session_id,
ivr_responses, collect_input=(not hang_up), hang_up=hang_up,
input_length=input_length))
def incoming(phone_number, text, backend_api):
phone_without_plus = str(phone_number)
if phone_without_plus[0] == "+":
phone_without_plus = phone_without_plus[1:]
phone_with_plus = "+" + phone_without_plus
# Circular Import
from corehq.apps.reminders.models import SurveyKeyword
v = VerifiedNumber.view("sms/verified_number_by_number",
key=phone_without_plus,
include_docs=True
).one()
# Log message in message log
msg = SMSLog(
phone_number = phone_with_plus,
direction = INCOMING,
date = datetime.utcnow(),
text = text,
backend_api = backend_api
)
if v is not None:
msg.couch_recipient_doc_type = v.owner_doc_type
msg.couch_recipient = v.owner_id
msg.domain = v.domain
msg.save()
# Handle incoming sms
if v is not None:
session = XFormsSession.view("smsforms/open_sessions_by_connection",
key=[v.domain, v.owner_id],
include_docs=True).one()
text_words = text.upper().split()
# Respond to "#START <keyword>" command
if len(text_words) > 0 and text_words[0] == "#START":
if len(text_words) > 1:
sk = SurveyKeyword.get_keyword(v.domain, text_words[1])
if sk is not None:
if session is not None:
session.end(False)
session.save()
start_session_from_keyword(sk, v)
else:
send_sms_to_verified_number(v, "Survey '" + text_words[1] + "' not found.")
else:
send_sms_to_verified_number(v, "Usage: #START <keyword>")
# Respond to "#STOP" keyword
elif len(text_words) > 0 and text_words[0] == "#STOP":
if session is not None:
session.end(False)
session.save()
# Respond to "#CURRENT" keyword
elif len(text_words) > 0 and text_words[0] == "#CURRENT":
if session is not None:
resp = current_question(session.session_id)
send_sms_to_verified_number(v, resp.event.text_prompt)
# Respond to unknown command
elif len(text_words) > 0 and text_words[0][0] == "#":
send_sms_to_verified_number(v, "Unknown command '" + text_words[0] + "'")
# If there's an open session, treat the inbound text as the answer to the next question
elif session is not None:
resp = current_question(session.session_id)
event = resp.event
valid = False
error_msg = None
# Validate select questions
if event.datatype == "select":
try:
answer = int(text.strip())
if answer >= 1 and answer <= len(event._dict["choices"]):
valid = True
except Exception:
pass
if not valid:
error_msg = "Invalid Response. " + event.text_prompt
# For now, anything else passes
else:
valid = True
if valid:
responses = get_responses(msg)
if len(responses) > 0:
response_text = format_message_list(responses)
send_sms_to_verified_number(v, response_text)
else:
send_sms_to_verified_number(v, error_msg)
# Try to match the text against a keyword to start a survey
elif len(text_words) > 0:
sk = SurveyKeyword.get_keyword(v.domain, text_words[0])
if sk is not None:
start_session_from_keyword(sk, v)
else:
#TODO: Registration via SMS
pass
