def _send_sms(conversation, user, msg):
""" Send an SMS message to the given user within the given conversation.
Note that we only send the SMS if the user's phone number has been
verified.
"""
logger.debug('in core.lib.conversationHandler._send_sms(' +
'conversation=%s, user=%s, msg=%s'
% (repr(conversation), repr(user), repr(msg)))
if user.verified:
sending_number = twilio_gateway.calc_sending_phone_number(conversation,
user)
twilio_gateway.send_sms(sending_number, user.phone_number, msg)
def send_verification_code(user_id=None, phone_number=None):
""" Calculate and send out a verification code to a phone number.
"""
raise UnauthorizedException() # Disable for now.
logger.debug("in core.api.users.send_verification_code(" +
"user_id=%s, phone_number=%s)" %
(repr(user_id), repr(phone_number)))
# Get the user to send the verification message to.
if user_id != None:
try:
user = User.objects.get(id=user_id)
except User.DoesNotExist:
raise NoSuchUserException()
elif phone_number != None:
phone_number = utils.format_phone_number(phone_number)
try:
user = User.objects.get(phone_number=phone_number)
except User.DoesNotExist:
raise NoSuchPhoneNumberException()
else:
raise InvalidParametersException()
# Check that the user has a phone number.
if user.phone_number == None:
raise NoPhoneNumberException()
# Calculate a new verification code for this user.
user.verification_code = utils.random_digits(min_length=4, max_length=4)
user.save()
# Finally, send the verification code to the user's phone as an SMS
# message.
message = settings.SMS_TEXT_VERIFICATION_CODE % user.verification_code
twilio_gateway.send_sms(from_phone=settings.SYSTEM_PHONE_NUMBER,
to_phone=user.phone_number,
sms_message=message)
def merge(old_session, new_session):
""" Merge two users.
"""
raise UnauthorizedException() # Disable for now.
logger.debug("in core.api.users.merge(" +
"old_session=%s, new_session=%s)" %
(repr(old_session), repr(new_session)))
# Check that the session parameters are correct. We require two valid
# session IDs, the old one for an ad hoc user, and the new one for a non-ad
# hoc user.
if old_session == None or new_session == None:
raise InvalidParametersException()
sessionHandler.validate(old_session)
sessionHandler.validate(new_session)
old_user = sessionHandler.get_user(old_session)
new_user = sessionHandler.get_user(new_session)
if not old_user.ad_hoc or new_user.ad_hoc:
raise UnauthorizedException()
# Build a list of the old user's conversations.
old_conversations = []
for conversation in Conversation.objects.filter(user_1=old_user):
old_conversations.append(conversation)
for conversation in Conversation.objects.filter(user_2=old_user):
if conversation.user_1 != old_user:
old_conversations.append(conversation)
# Build a list of the old user's active conversations. Note that we only
# store the ID of the other user and the topic ID for the conversation, as
# the Conversation object itself may get deleted as part of the merge
# process. We'll need this to send an SMS to the new user telling them
# that they've taken the conversation mobile.
active_conversations = [] # List of (other_user_id, topic_id) tuples.
for conversation in Conversation.objects.filter(user_1=old_user):
if not conversation.stopped:
active_conversations.append((conversation.user_2.id,
conversation.topic.id))
for conversation in Conversation.objects.filter(user_2=old_user):
if not conversation.stopped and conversation.user_1 != old_user:
active_conversations.append((conversation.user_1.id,
conversation.topic.id))
# Build a list of the new user's conversations.
new_conversations = []
for conversation in Conversation.objects.filter(user_1=new_user):
new_conversations.append(conversation)
for conversation in Conversation.objects.filter(user_2=new_user):
if conversation.user_1 == new_user:
new_conversations.append(conversation)
# Change each of the old conversations to belong to the new user. If the
# updated conversation is a duplicate of an existing conversation for the
# new user, we have to delete the old conversation and update the
# associated messages.
for old_conversation in old_conversations:
if old_conversation.user_1 == old_user:
other_old_user = old_conversation.user_2
else:
other_old_user = old_conversation.user_1
is_duplicate = False
for new_conversation in new_conversations:
if new_conversation.user_1 == new_user:
other_new_user = new_conversation.user_2
else:
other_new_user = new_conversation.user_1
if other_old_user == other_new_user:
is_duplicate = True
break
if is_duplicate:
# Update the messages for old_conversation to be part of the
# new_conversation instead, and delete the old conversation.
Message.objects.filter(conversation=old_conversation).update(
conversation=new_conversation)
old_conversation.delete()
else:
# Change the old_conversation to belong to the new_user instead of
# the old_user.
if old_conversation.user_1 == old_user:
old_conversation.user_1 = new_user
else:
old_conversation.user_2 = new_user
old_conversation.save()
# Update the old user's messages to refer to the new user.
Message.objects.filter(sender=old_user).update(sender=new_user)
# Update any topics owned by the old user to now be owned by the new user.
# Note that we deliberately avoid overwriting the default and any existing
# named topics for the new user.
topics = []
for topic in Topic.objects.filter(user=old_user):
topics.append(topic)
for topic in topics:
if topic.default:
continue # Don't copy across default topic.
if Topic.objects.filter(user=new_user, name=topic.name):
continue # Don't overwrite existing named topic.
topic.user = new_user
topic.save()
# Update any SMS channels which sent messages to the old user to now send
# messages to the new user.
channels = []
for channel in TwilioSMSChannel.objects.filter(sender=old_user):
channels.append(channel)
for channel in channels:
if TwilioSMSChannel.objects.filter(conversation=channel.conversation,
recipient=channel.recipient,
phone_number=channel.phone_number,
sender=new_user).exists():
continue # Don't overwrite existing SMS channel.
channel.sender = new_user
channel.save()
# Update any SMS channels which sent messages from the old user to now send
# messages from the new user.
channels = []
for channel in TwilioSMSChannel.objects.filter(recipient=old_user):
channels.append(channel)
for channel in channels:
if TwilioSMSChannel.objects.filter(conversation=channel.conversation,
sender=channel.sender,
phone_number=channel.phone_number,
recipient=new_user).exists():
continue # Don't overwrite existing SMS channel.
channel.recipient = new_user
channel.save()
# Finally, if the new user has a verified phone number, send a message to
# the new user for each active conversation, telling the user that they
# have "taken the conversation mobile."
if new_user.verified:
for other_user,topic in active_conversations:
try:
conversation = Conversation.objects.get(user_1=new_user,
user_2__id=other_user,
topic=topic)
except Conversation.DoesNotExist:
conversation = Conversation.objects.get(user_1__id=other_user,
user_2=new_user,
topic=topic)
sending_phone_number = twilio_gateway.calc_sending_phone_number(
conversation, new_user)
msg = settings.SMS_TEXT_CONVERSATION_TAKEN_MOBILE
twilio_gateway.send_sms(sending_phone_number,
new_user.phone_number, msg)
def send_message(sender, recipient, topic, sender_name, message_text):
""" Create and send a new message.
The parameters are as follows:
'sender'
The User object for the message's sender.
'recipient'
The User object for the message's recipient.
'topic'
The Topic object that this message is about.
'sender_name'
The optional name for the sender of the message.
'message_text'
The text of the message.
We send the given message from the given sender to the given recipient,
about the given topic. Note that we'll automatically create a
conversation (and send an "intro" message") if one doesn't already
exist.
Upon completion, we return the newly-created Message object, or None if
the conversation has been stopped. If the message recipient has
reached their rate limit, we raise a RateLimitReachedException.
"""
logger.debug('in core.lib.messageHandler.send_mesage(' +
'sender=%s, recipient=%s, topic=%s, sender_name=%s, msg=%s)'
% (repr(sender), repr(recipient), repr(topic),
repr(sender_name), repr(message_text)))
# Find the Conversation object to use for this message, creating it if
# necessary.
try:
conversation = conversationHandler.get(sender.id,
recipient.id,
topic.id)
except NoSuchConversationException:
conversation = conversationHandler.start_conversation(sender.id,
recipient.id,
topic.id,
sender_name)
# If the conversation has been stopped, don't send out the message.
if conversation.stopped:
return None
# See if we can send this message via SMS. We do this if the receipient
# has a verified phone number.
send_via_sms = False # initially.
if recipient.phone_number not in ["", None] and recipient.verified:
send_via_sms = True
# Create the new Message object.
message = Message()
message.conversation = conversation
message.sender = sender
message.sender_name = sender_name
message.body = message_text
message.sent_via_sms = send_via_sms
message.created_at = datetime.datetime.utcnow()
message.updated_at = datetime.datetime.utcnow()
message.save()
# Send the message via PubNub.
pubnub_gateway.send_notification(message)
pubnub_gateway.send_message_to_firehose(message)
# Send the message via Twilio, if we can. Note that we append the sender's
# name (if any) to the outgoing SMS message.
if send_via_sms:
sending_phone_number = \
twilio_gateway.calc_sending_phone_number(conversation, recipient)
if sender_name not in ["", None]:
message_text = message_text + " [" + sender_name + "]"
twilio_gateway.send_sms(sending_phone_number, recipient.phone_number,
message_text)
# Finally, return the newly-created message back to the caller.
return message
