Order Application - Patika.dev & DefineX Java Spring Practicum

Homework - 2

An application for creating and listing orders and invoices for customers.

Maven Commands Output

Console Output

Entities

Company
Sector
Customer
Product
Order
Invoice

Services

Entity Service

List<TEntity> getAll(): returns all TEntity

TEntity getById(Long id) : returns TEntity by id

TEntity add(TEntity entity) : adds new TEntity

Company Service

This service extends the Entity Service

Customer Service

This service extends the Entity Service

Set<Customer> getCustomersStartsWithLetter(String letter): returns all Customers as a Set which are names starts with letter

List<Customer> getCustomerHaveInvoiceUnderAmount(BigDecimal amount): returns all Customers as a List which they have invoice under amount

Invoice Service

This service extends the Entity Service

List<Invoice> getInvoicesOverAmount(BigDecimal amount): returns all Invoices as List over amount

BigDecimal getAverageOfInvoicesOverAmount(BigDecimal amount): returns average of Invoices over amount

BigDecimal getTotalInvoicesByCustomerRegistrationMonth(Month month): returns total amount of Invoices by Customer registration month

Order Service

This service extends the Entity Service

Product Service

This service extends the Entity Service

Sector Service

This service extends the Entity Service

Set<Sector> getSectorOfCompaniesHaveInvoicesUnderAverageAmount(BigDecimal amount): returns Sectors of Companies Have Invoices Under Average amount as a Set