The stock inventory control system is the systematic recording of all the transactions that take place during the purchase of goods. Previously, all these details were entered manually. So it was difficult to refer to all the transaction information later.

In order to overcome these difficulties a computerized form to record the transactions is necessary.

Thus the stock inventory control system is designed and implemented. The stock inventory control system will interface with the purchasing, customer order entry, ordering for goods, purchasing register, customer details, pay money, damage, exchange, invoice, sales register and database. The inventory control system will be invoked for the following functions.

Customer will purchase goods from the inventory manager.

Goods are returned to the supplier for various reasons.

Purchasing

When an order from a customer arrives, inventory manager asks the customer to enter the details about the products like product id, product name, quantity etc.

Customer order entry.

When an order is to be placed by the customer, the customer gives the order to the sales person. The sales person checks the availability of the goods from the inventory database.

Damage

The inventory manager informs the supplier about the damage of goods. The supplier will check for the damaged goods. If the goods are damaged, supplier will exchange for the new goods.

Exchange

The goods that have been delivered by the supplier is checked for the damage by the inventory manager. If the goods are damaged then it is subjected for exchange with the supplier. The supplier then replaces the damaged goods by the new goods. The inventory database is updated with the replaced goods.

Ordering goods

The customer purchases the goods from the inventory manager. The inventory manager check for the availability of goods, if the goods is not available inventory manager can order goods from the supplier.

Invoice

The invoices for all the transactions between the customer, inventory manager and supplier are issued.

Pay money

The customer will pay the money for the goods that has been purchased.

Mode of payment

The customer will pay the amount in the form of cash or cheque or credit card.

Purchasing register

This register will contain purchasing details of the inventory manager from the supplier.

Database

For each and every transaction the database has to be updated.

Sales register

This register will contain the sales details of the sales that have taken place with the customer.

For such case, you are required to build:

1- Use case diagram

2- Misuse case diagram

3- Sequence diagram

4- Class diagram

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