completed all products models

products/models.py

@@ -1,3 +1,32 @@
 from django.db import models
 
-# Create your models here.
+
+class Brand(models.Model):
+    name = models.CharField(max_length=100)
+    description = models.TextField(blank=True)
+
+    def __str__(self):
+        return f"{self.name}"
+
+
+class Supplier(models.Model):
+    name = models.CharField(max_length=100)
+    email = models.EmailField()
+    phone = models.CharField(max_length=20)
+
+    def __str__(self):
+        return f"{self.name}"
+
+
+class Product(models.Model):
+    name = models.CharField(max_length=100)
+    description = models.TextField()
+    sku = models.CharField(max_length=50)
+    price = models.DecimalField(max_digits=10, decimal_places=2)
+    quantity = models.IntegerField(default=0)
+    barcode = models.CharField(max_length=100, blank=True, null=True)
+    brand = models.ForeignKey(Brand, models.DO_NOTHING)
+    supplier = models.ForeignKey(Supplier, models.DO_NOTHING)
+
+    def __str__(self):
+        return f"{self.name}"