models for cart management

catalog/models.py

@@ -3,6 +3,7 @@
 ## Create your models here.
 
 from __future__ import unicode_literals
+from django.contrib.auth.models import User
 from django.db import models
 
 
@@ -42,3 +43,18 @@ class Product_l2a(models.Model):
     prod_l1c   = models.ForeignKey(Product_l1c, on_delete=models.CASCADE)
     identifier = models.CharField(max_length=50)
     file_path  = models.CharField(max_length=50)
+
+
+class CartProduct(models.Model):
+    user      = models.ForeignKey(User, on_delete=models.CASCADE)
+    add_date  = models.DateTimeField(auto_now=True)
+    prod_uuid = models.CharField(max_length=50)
+    prod_num  = models.IntegerField()
+    prod_l1c  = models.ForeignKey(Product_l1c, on_delete=models.CASCADE, null=True)
+    purchased = models.NullBooleanField()
+
+
+class Purchase(models.Model):
+    user      = models.ForeignKey(User, on_delete=models.CASCADE)
+    pur_date  = models.DateTimeField(auto_now=True)                 ## transaction date
+    prod_list = models.ManyToManyField(Product_l1c)