Shopping Cart Jr.

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Business Logic

Shopping Cart

Product Card Configuration:

CARD

Header

Category

Body

Image

Description

Stock

Qty

Action

Add Button

Shopping Cart Configuration:

Table of shopping list

PartNumber / SKU / Product ID

SKU Definition →

https://en.wikipedia.org/wiki/Stock_keeping_unit⁠

⁠

SKU Article →

https://www.investopedia.com/terms/s/stock-keeping-unit-sku.asp⁠

⁠

Product description

qty

unit price

subtotal price

vat

subtotal

total

Purchase Policies:

There is two ways to do a purchase:

If is a

Purchase Flow

User Navigate through the web page

Select product quantity

Validate stock availability

Add the product to the cart

Validate consolidation

Confirm Purchase

Validate stock availability before to place order

If stock has changed

purchase needs to be ajusted

L.T. needs to be confirmed (wait until new income arrival)

Best Practice → Avoid the purchase from adding to cart

Once PO its placed, purchase can´t be changed

at least not for this project scope

you can do a complementary PO → but has its own lead time different than first one

Monitoring → user can see its POs and statuses

Purchase vs Stock Constraints:

Variables:

Stock availability

Stock threshold

Kanban reorder point

Number of online users with the same needs

Ratail lock-box → sistema de apartado

Very difficult to deploy at this point

we need to involve other business operations, like replenishment and company purchasing

Financial policies → cash in advance

Purchase

Pre-order → Validate stocks before purchase

This a possible solution → poka-yoke, don´t sell if it´s not available

Needs a kind of complex → online users, stock availabiliy, stock threshold

On-Transaction → Validate stocks at the very moment of the transaction

This is the most complex option

Might be a mess if many users go for it at the same time

More analysis and resources required

Post-Transaction → Validate stocks after purchase has been placed

The most easy way

cons → needs replenishment in order to have a consolidated freight

Shared stock

if someone buys the same as you

who its going to have priority ??

what is the criterial to do that ??

company policies

Stock Analysis:

Replenishment

Movements

Purchases

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