Update models.py

home/models.py

@@ -1,44 +1,53 @@
 from django.db import models
 from django.utils import timezone
 
-# Create your models here.
+
 class BookCategory(models.Model):
-	name = models.CharField(max_length=50)
-	def __str__(self):
-		return self.name
+    name = models.CharField(max_length=50)
+
+    class Meta:
+        verbose_name_plural = "Book Categories"
+
+    def __str__(self):
+        return self.name
 
 
 class Book(models.Model):
-	book_category = models.IntegerField()
-	book_name = models.CharField(max_length=500)
-	author_name = models.CharField(max_length=500)
-	book_description = models.TextField(max_length=500)
-	book_image = models.FileField(null=True,blank=True)
-	book_price = models.IntegerField()
+    book_category = models.ForeignKey(BookCategory, on_delete=models.CASCADE, related_name='books')
+    book_name = models.CharField(max_length=500)
+    author_name = models.CharField(max_length=500)
+    book_description = models.TextField(max_length=500)
+    book_image = models.FileField(null=True, blank=True, upload_to='book_images/')
+    book_price = models.IntegerField()
 
-	def __str__(self):
-		return self.book_name
+    def __str__(self):
+        return self.book_name
 
 
 class User(models.Model):
-	user_name = models.CharField(max_length=255)
-	email_id = models.EmailField(max_length=255)
-	password = models.CharField(max_length=255)
-	name = models.CharField(max_length=255,default='')
-	shipping_addr = models.CharField(max_length=255,default='')
-	phone_no = models.CharField(max_length=255,default='')
-
-	def __str__(self):
-		return self.user_name + self.email_id + self.password
+    user_name = models.CharField(max_length=255)
+    email_id = models.EmailField(max_length=255, unique=True)
+    password = models.CharField(max_length=255)
+    name = models.CharField(max_length=255, default='')
+    shipping_addr = models.CharField(max_length=255, default='')
+    phone_no = models.CharField(max_length=20, default='')
 
+    def __str__(self):
+        return f'{self.user_name} ({self.email_id})'
 
 
 class Cart(models.Model):
-	user_id = models.IntegerField()
-	order_item = models.IntegerField()
+    user = models.ForeignKey(User, on_delete=models.CASCADE, related_name='cart_items')
+    book = models.ForeignKey(Book, on_delete=models.CASCADE)
+
+    def __str__(self):
+        return f'Cart Item: {self.user.user_name} - {self.book.book_name}'
 
 
 class Order(models.Model):
-	delivery_user_id = models.IntegerField()
-	date_placed = models.DateTimeField()
-	order_items = models.CharField(max_length=255)
+    delivery_user = models.ForeignKey(User, on_delete=models.CASCADE, related_name='orders')
+    date_placed = models.DateTimeField(default=timezone.now)
+    order_items = models.ManyToManyField(Book)
+
+    def __str__(self):
+        return f'Order #{self.id} by {self.delivery_user.user_name} on {self.date_placed.strftime("%Y-%m-%d %H:%M")}'