def handlStartConversation(data):
try:
USER_ONE = User(userId=data['userOne']['id'],
name=data['userOne']['name'],
avatar=data['userOne']['avatar']).save()
except (NotUniqueError, DuplicateKeyError):
# print("user one exist in db")
USER_ONE = User.objects.get(userId=data['userOne']['id'])
try:
USER_TWO = User(userId=data['userTwo']['id'],
name=data['userTwo']['name'],
avatar=data['userTwo']['avatar']).save()
except (NotUniqueError, DuplicateKeyError):
# print("user two exist in db")
USER_TWO = User.objects.get(userId=data['userTwo']['id'])
# try to create new conversation.
try:
# create the conversation.
conversation = Conversation(userOne=USER_ONE, userTwo=USER_TWO)
conversation.save()
# add conversation reference to userOne
USER_ONE.addConversation(conversation.pk)
# add conversation reference to userTwo
USER_TWO.addConversation(conversation.pk)
# convert the conversation to Python Dictionary.
conversation = json.loads(conversation.to_json())
# join conversation
join_room(str(conversation['conversationId']))
print('join new conversationId ', str(conversation['conversationId']))
# send the conversationId and the messages array
emit("conversationOpen", {
"conversationId": conversation['conversationId'],
"messages": conversation['messages'],
"unreadMesaages": 0
},
room=conversation['conversationId'])
# if the conversation already exist.
except (NotUniqueError, DuplicateKeyError):
# get the old conversationId
oldConversationId = GetConversationId(data['userOne']['id'],
data['userTwo']['id'])
# print("they are already In Conversation " + oldConversationId)
# join the old conversation
join_room(oldConversationId)
print("join oldConversationId ", oldConversationId)
# getMessages will return the messages with user(sender) details _id, name and avatart.
messages = Conversation.objects(
conversationId=oldConversationId).first().getMessages()
# convert the old conversation to Python Dictionary.
conversation = json.loads(
Conversation.objects.get(
conversationId=oldConversationId).to_json())
conversation['messages'].reverse()
# send the conversationId and the old messages array
emit("conversationOpen", {
"conversationId": conversation['conversationId'],
"messages": messages['messages'],
"unreadMesaages": messages['unreadMesaages']
},
room=oldConversationId)
except Exception as e:
print("Something want wrong: ", e)
