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17 changes: 17 additions & 0 deletions account/migrations/0002_alter_user_options.py
Original file line number Diff line number Diff line change
@@ -0,0 +1,17 @@
# Generated by Django 4.0 on 2021-12-21 11:00

from django.db import migrations


class Migration(migrations.Migration):

dependencies = [
('account', '0001_initial'),
]

operations = [
migrations.AlterModelOptions(
name='user',
options={'verbose_name': 'user', 'verbose_name_plural': 'users'},
),
]
83 changes: 12 additions & 71 deletions commerce/controllers.py
Original file line number Diff line number Diff line change
Expand Up @@ -58,72 +58,12 @@ def list_products(
return products_qs


"""
# product = Product.objects.all().select_related('merchant', 'category', 'vendor', 'label')
# print(product)
#
# order = Product.objects.all().select_related('address', 'user').prefetch_related('items')

# try:
# one_product = Product.objects.get(id='8d3dd0f1-2910-457c-89e3-1b0ed6aa720a')
# except Product.DoesNotExist:
# return {"detail": "Not found"}
# print(one_product)
#
# shortcut_function = get_object_or_404(Product, id='8d3dd0f1-2910-457c-89e3-1b0ed6aa720a')
# print(shortcut_function)

# print(type(product))
# print(product.merchant.name)
# print(type(product.merchant))
# print(type(product.category))


Product <- Merchant, Label, Category, Vendor

Retrieve 1000 Products form DB

products = Product.objects.all()[:1000] (select * from product limit 1000)

for p in products:
print(p)

for every product, we retrieve (Merchant, Label, Category, Vendor) records

Merchant.objects.get(id=p.merchant_id) (select * from merchant where id = 'p.merchant_id')
Label.objects.get(id=p.label_id) (select * from merchant where id = 'p.label_id')
Category.objects.get(id=p.category_id) (select * from merchant where id = 'p.category_id')
Vendor.objects.get(id=p.vendor_id) (select * from merchant where id = 'p.vendor_id')

4*1000+1

Solution: Eager loading

products = (select * from product limit 1000)

mids = [p1.merchant_id, p2.merchant_id, ...]
[p1.label_id, p2.label_id, ...]
.
.
.

select * from merchant where id in (mids) * 4 for (label, category and vendor)

4+1

"""


@address_controller.get('')
def list_addresses(request):
pass


# @products_controller.get('categories', response=List[CategoryOut])
# def list_categories(request):
# return Category.objects.all()


@address_controller.get('cities', response={
200: List[CitiesOut],
404: MessageOut
Expand Down Expand Up @@ -175,39 +115,39 @@ def delete_city(request, id: UUID4):
return 204, {'detail': ''}


@order_controller.get('cart', response={
@order_controller.get('cart',auth=GlobalAuth(), response={
200: List[ItemOut],
404: MessageOut
})
def view_cart(request):
cart_items = Item.objects.filter(user=User.objects.first(), ordered=False)
cart_items = Item.objects.filter(user=request.auth['pk'], ordered=False)

if cart_items:
return cart_items

return 404, {'detail': 'Your cart is empty, go shop like crazy!'}


@order_controller.post('add-to-cart', response={
@order_controller.post('add-to-cart',auth=GlobalAuth(), response={
200: MessageOut,
# 400: MessageOut
})
def add_update_cart(request, item_in: ItemCreate):
try:
item = Item.objects.get(product_id=item_in.product_id, user=User.objects.first())
item = Item.objects.get(product_id=item_in.product_id, user=request.auth['pk'])
item.item_qty += 1
item.save()
except Item.DoesNotExist:
Item.objects.create(**item_in.dict(), user=User.objects.first())
Item.objects.create(**item_in.dict(), user=request.auth['pk'])

return 200, {'detail': 'Added to cart successfully'}


@order_controller.post('item/{id}/reduce-quantity', response={
@order_controller.post('item/{id}/reduce-quantity', auth=GlobalAuth(), response={
200: MessageOut,
})
def reduce_item_quantity(request, id: UUID4):
item = get_object_or_404(Item, id=id, user=User.objects.first())
item = get_object_or_404(Item, id=id, user=request.auth['pk'])
if item.item_qty <= 1:
item.delete()
return 200, {'detail': 'Item deleted!'}
Expand All @@ -217,11 +157,11 @@ def reduce_item_quantity(request, id: UUID4):
return 200, {'detail': 'Item quantity reduced successfully!'}


@order_controller.delete('item/{id}', response={
@order_controller.delete('item/{id}', auth=GlobalAuth(), response={
204: MessageOut
})
def delete_item(request, id: UUID4):
item = get_object_or_404(Item, id=id, user=User.objects.first())
item = get_object_or_404(Item, id=id, user=request.auth['pk'])
item.delete()

return 204, {'detail': 'Item deleted!'}
Expand All @@ -239,9 +179,10 @@ def create_order(request):
* add NEW status
* calculate the total
'''

userauth= User.objects.filter(request.auth['pk'])
order_qs = Order.objects.create(
user=User.objects.first(),

User=userauth,
status=OrderStatus.objects.get(is_default=True),
ref_code=generate_ref_code(),
ordered=False,
Expand Down
2 changes: 0 additions & 2 deletions commerce/schemas.py
Original file line number Diff line number Diff line change
Expand Up @@ -8,8 +8,6 @@





class UUIDSchema(Schema):
id: UUID4

Expand Down