from django.db import models from api.models import User, Order from django.utils import timezone import uuid class ChatRoom(models.Model): ''' Simple ChatRoom model. Needed to facilitate communication: Is my counterpart in the room? ''' id = models.PositiveBigIntegerField(primary_key=True, null=False,default=None, blank=True) order = models.ForeignKey( Order, related_name="chatroom", on_delete=models.SET_NULL, null=True, default=None) maker = models.ForeignKey( User, related_name="chat_maker", on_delete=models.SET_NULL, null=True, default=None) taker = models.ForeignKey( User, related_name="chat_taker", on_delete=models.SET_NULL, null=True, default=None, blank=True, ) maker_connected = models.BooleanField(default=False, null=False) taker_connected = models.BooleanField(default=False, null=False) maker_connect_date = models.DateTimeField(auto_now_add=True) taker_connect_date = models.DateTimeField(auto_now_add=True) room_group_name = models.CharField( max_length=50, null=True, default=None, blank=True, ) def __str__(self): return f"Chat:{str(self.order.id)}" class Message(models.Model): class Meta: get_latest_by = 'index' # id = models.PositiveBigIntegerField(primary_key=True, default=uuid.uuid4, editable=False) order = models.ForeignKey( Order, related_name="message", on_delete=models.CASCADE, null=True, default=None) chatroom = models.ForeignKey( ChatRoom, related_name="chatroom", on_delete=models.CASCADE, null=True, default=None) index = models.PositiveIntegerField(null=False,default=None, blank=True) sender = models.ForeignKey( User, related_name="message_sender", on_delete=models.SET_NULL, null=True, default=None) receiver = models.ForeignKey( User, related_name="message_receiver", on_delete=models.SET_NULL, null=True, default=None) PGP_message = models.TextField(max_length=5000, null=True, default=None, blank=True) created_at = models.DateTimeField(default=timezone.now) def __str__(self): return f"Chat:{str(self.order.id)} - Idx:{self.index}"