feat (backend) : Added Product Models (#87)

* Merge branch develop into Priyansh61/product-model

* Done requested changes

backend/core/settings.py

@@ -37,6 +37,7 @@
     'django_filters',
     'core',
     'accounts',
+    'products',
 ]
 
 REST_FRAMEWORK = {
@@ -137,3 +138,5 @@
 DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
 
 REST_FRAMEWORK = {}
+MEDIA_URL = '/media/'
+MEDIA_ROOT = os.path.join(BASE_DIR, 'media')

backend/core/urls.py

@@ -1,9 +1,11 @@
 from django.contrib import admin
 from django.urls import path
 from django.conf.urls import include
+from django.conf.urls.static import static
+from django.conf import settings
 
 urlpatterns = [
     path('admin/', admin.site.urls),
     path('api/token/', include('auth.urls')),
     path('api/accounts/', include('accounts.urls')),
-]
+]+ static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)

backend/products/admin.py

@@ -0,0 +1,30 @@
+from django.contrib import admin
+from .models import Product,ProductVariation,ProductColor,ProductSize,ProductImage
+
+# Register your models here.
+
+class ProductAdmin(admin.ModelAdmin) :
+    list_display = ("name","description","category",'primary_variant',"created_at","updated_at")
+    fields = ("name","description","category","primary_variant",)
+
+class ProductVariationAdmin(admin.ModelAdmin) :
+    list_display = ("Product","ProductSize","ProductColor","price","quantity")
+
+class ProductColorAdmin(admin.ModelAdmin) :
+    list_display = ("color",)
+
+class ProductSizeAdmin(admin.ModelAdmin) :
+    list_display = ("size",)
+
+class ProductImageAdmin(admin.ModelAdmin) :
+    list_display = ("product_variation_id","image")
+
+
+admin.site.register(Product,ProductAdmin)
+admin.site.register(ProductVariation,ProductVariationAdmin)
+admin.site.register(ProductColor,ProductColorAdmin)
+admin.site.register(ProductSize,ProductSizeAdmin)
+admin.site.register(ProductImage,ProductImageAdmin)
+
+
+

backend/products/apps.py

@@ -0,0 +1,6 @@
+from django.apps import AppConfig
+
+
+class ProductsConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'products'

backend/products/models.py

@@ -0,0 +1,73 @@
+from django.db import models
+
+# Create your models here.
+
+category_choices = [
+    ('clothing','Clothing'),
+    ('rsvp','RSVP'),
+]
+
+class Product(models.Model):
+    name = models.CharField(max_length=200)
+    description = models.TextField(max_length=600, 
+                                   blank=True)
+    category = models.CharField(max_length=100, 
+                                choices=category_choices)
+    primary_variant = models.OneToOneField(
+        'ProductVariation', 
+        on_delete=models.CASCADE, 
+        default=None, 
+        null=True,
+        blank=True,)
+
+    # Need to add Primary Variant and seller Id
+    created_at = models.DateTimeField(auto_now_add=True)
+    updated_at = models.DateTimeField(auto_now=True)
+
+    def __str__(self):
+        return self.name
+
+
+class ProductVariation(models.Model):
+    Product = models.ForeignKey(Product, 
+                                on_delete=models.CASCADE, 
+                                related_name='product_variations')
+    ProductColor = models.ForeignKey('ProductColor', 
+                                     on_delete=models.CASCADE)
+    ProductSize = models.ForeignKey('ProductSize', 
+                                    on_delete=models.CASCADE)
+    price = models.IntegerField()
+    quantity = models.IntegerField()
+    cover_image = models.ForeignKey('ProductImage', 
+                                    on_delete=models.CASCADE, 
+                                    default=None, null=True,
+                                    blank=True,)
+    is_active = models.BooleanField(default=True)
+
+    def __str__(self):
+        return f'{self.Product.name} {self.ProductColor.color} {self.ProductSize.size}'
+
+
+class ProductColor(models.Model):
+    color = models.CharField(max_length=100, unique=True)
+
+    def __str__(self):
+        return self.color
+
+class ProductSize(models.Model):
+    size = models.CharField(max_length=100, unique=True)
+
+    def __str__(self):
+        return self.size
+
+
+class ProductImage(models.Model):
+    product_variation_id = models.ForeignKey(ProductVariation, 
+                                             on_delete=models.CASCADE,
+                                             related_name='product_images')
+    image = models.ImageField(upload_to='product_images')
+
+    required = ['image']
+
+    def __str__(self):
+        return f'{self.product_variation_id.Product.name} {self.product_variation_id.ProductColor.color} {self.product_variation_id.ProductSize.size}'

backend/products/tests.py

@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.

backend/products/views.py

@@ -0,0 +1,3 @@
+from django.shortcuts import render
+
+# Create your views here.

backend/requirements.txt

@@ -15,6 +15,7 @@ pytest==7.4.0
 pytest-django==4.5.2
 python-dotenv==1.0.0
 pytz==2023.3
+Pillow==10.0.0
 sqlparse==0.4.4
 tomli==2.0.1
 typing_extensions==4.6.3