Priyatham-sai-chand/auctions/models.py

from django.contrib.auth.models import AbstractUser
from django.db import models

class User(AbstractUser):
    watchlist = models.ManyToManyField('AuctionListing',blank = True,related_name="watchlist")

class AuctionListing(models.Model):
    title = models.CharField(max_length = 64,primary_key = True)
    user = models.ForeignKey(User,on_delete = models.CASCADE,default = " ")
    price = models.DecimalField(max_digits = 10,decimal_places = 2)
    desc = models.CharField(max_length = 1000)
    picture = models.URLField(null=True)
    category = models.CharField(max_length = 64,default = " ")
    
    
     
    def __str__(self):
        return f"{self.title}: {self.price},{self.desc},{self.picture}"
class Comments(models.Model):
    title = models.ForeignKey(AuctionListing,on_delete = models.CASCADE,related_name="auction_title")
    comment = models.CharField(max_length = 1000)

class bidding(models.Model):
    bidder = models.ForeignKey(User,on_delete = models.CASCADE,default = " ")
    bid = models.DecimalField(max_digits = 10,decimal_places = 2)