newosinadjango/osinaweb/osichat/consumers.py

from channels.generic.websocket import WebsocketConsumer 
from .models import * 
import json
from django.template.loader import render_to_string
from asgiref.sync import async_to_sync
from django.shortcuts import  get_object_or_404
import requests


class OsitcomVisitor(WebsocketConsumer):
    def connect(self):
        async_to_sync(self.channel_layer.group_add)(
            'ositcom_visitors', self.channel_name
        )
        self.accept()
        self.visitor = None

    def disconnect(self, close_code):
        if self.visitor:
            self.visitor.left_date = datetime.now()
            self.visitor.save()
        async_to_sync(self.channel_layer.group_discard)(
            'ositcom_visitors', self.channel_name
        )
    def receive(self, text_data): 
        text_data_json = json.loads(text_data)
        event_type = text_data_json.get('event_type')
        if event_type == 'new_visitor':
            self.visitor = Visitor.objects.create(
                session_id = text_data_json.get('session_id'),
                ip_address = text_data_json.get('client_ip'),
                referrer = text_data_json.get('referrer'),
                country =  text_data_json.get('client_country'),
                url = text_data_json.get('url'),
                visit_date = datetime.now()
                )





class OsitcomChatRoom(WebsocketConsumer):
    def connect(self):
        self.session_id = self.scope['url_route']['kwargs']['session_id']
        async_to_sync(self.channel_layer.group_add)(
            self.session_id, self.channel_name
        )
        self.accept()
        chat_room_guest = ChatRoomGuest.objects.filter(session_id=self.session_id).last()
        if chat_room_guest:
            chat_room = chat_room_guest.room
            self.chat_room = chat_room
        else:
            self.chat_room = None
        

    def disconnect(self, close_code):
        async_to_sync(self.channel_layer.group_discard)(
            self.session_id, self.channel_name
        )



    def receive(self, text_data): 
        text_data_json = json.loads(text_data)
        event_type = text_data_json.get('event_type')

        if  event_type == 'load_chat':
            event = {
               'type': 'load_chat_handler',
            }   
            async_to_sync(self.channel_layer.group_send)(
                self.session_id, event
            )
    
        if event_type == 'start_conversation':
            chat_room = ChatRoom.objects.create(
                name=f"Support: {self.session_id}",
                date_created = datetime.now()
            )
            chat_room_guest = ChatRoomGuest.objects.create(
                room=chat_room,
                name= text_data_json.get('guest_name'),
                mobile_number=  text_data_json.get('guest_mobile_number'),
                session_id=self.session_id
            )
            self.chat_room = chat_room
            event = {
                'type': 'start_conversation_handler',
                'chat_room_id':  chat_room.id
            }
            async_to_sync(self.channel_layer.group_send)(
             self.session_id, event
            )

        if event_type == 'send_message':
            if text_data_json.get('user_id'):
                member = get_object_or_404(User, id=text_data_json.get('user_id'))
            else:
                member = None
            chat_message = ChatMessage.objects.create(
            member = member,
            room = self.chat_room,
            content=text_data_json.get('message'),
            date_sent = datetime.now()
            )
            event = {
                'type': 'send_message_handler',
                'chat_message_id': chat_message.id
            }
            async_to_sync(self.channel_layer.group_send)(
             self.session_id, event
            )



    def load_chat_handler(self, event):
        if self.chat_room:
            chat_room = self.chat_room
            chat_room_messages = ChatMessage.objects.filter(room=chat_room).order_by('date_sent')
        else:
            chat_room = None
            chat_room_messages = None
        context = {
            'chat_room': chat_room,
            'chat_room_messages': chat_room_messages,
        }
        html = render_to_string("chat-widget.html", context=context)
        self.send(text_data=json.dumps({
            'event_type': 'load_chat',
            'html': html,
        }))

    def start_conversation_handler(self, event):
        chat_room = get_object_or_404(ChatRoom, id=event['chat_room_id'])
        context = {
            'chat_room': chat_room,
            'session_id':self.session_id
        }
        html = render_to_string("conversation.html", context=context)
        self.send(text_data=json.dumps({
            'event_type': 'start_conversation',
            'html': html,
        }))


    def send_message_handler(self, event):
        chat_message = get_object_or_404(ChatMessage, id=event['chat_message_id'])
        context = {
            'chat_message': chat_message,
        }
        html = render_to_string("partials/message.html", context=context)
        self.send(text_data=json.dumps({
            'event_type': 'send_message',
            'html': html,
        }))