Added products model

ivy/products/admin.py

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+from django.contrib import admin
+
+# Register your models here.

ivy/products/apps.py

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+from django.apps import AppConfig
+
+
+class ProductsConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'products'

ivy/products/migrations/0001_initial.py

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+# Generated by Django 4.1.7 on 2023-03-05 13:54
+
+from django.db import migrations, models
+import django.utils.timezone
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Product',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=20)),
+                ('quantity', models.IntegerField(default=0)),
+                ('date_added', models.DateTimeField(default=django.utils.timezone.now, editable=False)),
+            ],
+        ),
+    ]

ivy/products/models.py

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+from django.db import models
+from django.utils.timezone import now
+# Create your models here.
+
+
+class Product(models.Model):
+    name = models.CharField(max_length=20)
+    quantity = models.IntegerField(default=0)
+    date_added = models.DateTimeField(default=now, editable=False)
+
+    def __str__(self):
+        return self.title

ivy/products/serializers.py

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+from rest_framework import serializers
+from .models import Product
+
+
+class ProductSerializer(serializers.HyperlinkedModelSerializer):
+    date_added = serializers.DateTimeField(
+        format="%d-%m-%Y %I:%M%p", read_only=True)
+
+    class Meta:
+        model = Product
+        fields = ('name', 'quantity', 'date_added')
+        read_only_fields = ('id', 'date_added')

ivy/products/tests.py

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+from django.test import TestCase
+
+# Create your tests here.

ivy/products/urls.py

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+from django.urls import include, path
+from rest_framework import routers
+from . import views
+
+router = routers.DefaultRouter()
+router.register(r'products', views.ProductViewSet)
+
+# Wire up our API using automatic URL routing.
+# Additionally, we include login URLs for the browsable API.
+urlpatterns = [
+    path('', include(router.urls)),
+
+]

ivy/products/views.py

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+from rest_framework.permissions import IsAuthenticated
+from rest_framework import viewsets
+from .serializers import ProductSerializer
+from .models import Product
+
+
+class ProductViewSet(viewsets.ModelViewSet):
+    permission_classes = [IsAuthenticated]
+    serializer_class = ProductSerializer
+    queryset = Product.objects.all()