PaymentGateway

This is the implementation of PaymentGateway

Solution design

This solution was devided into multiple projects

*Cko.PaymentGateway.csproj

• this is the main api project

*Cko.PaymentGateway.BankSimulator

• this is the project holding the acquiring bank code

*Cko.PaymentGateway.Business.csproj

• project used for defining business classes and utilities

*Cko.PaymentGateway.Business.Tests.csproj

• project used for testing Business.csproj project

*Cko.PaymentGateway.Data.Dtos.csproj

• project used to defines all dto contracts

*Cko.PaymentGateway.Data.Models.csproj

• project used to defines all data model contracts

*Cko.PaymentGateway.Data.Validators.csproj

• project used to defines all data models and dtos validators

*Cko.PaymentGateway.Data.Validators.Tests.csproj

• project used for testing Validators.csproj project

Cko.PaymentGateway.Tests.csproj

• project used for unit testing (controllers as example)

• Cko.PaymentGateway.Integration.Tests

• project used for integration testing (controllers as example)

Solution Type

Asp.net core web api

Target Framework

.netcore 3.1

Testing Tool

Xunit

Api Swager url:

https://localhost:5001/swagger/index.html

#Code coverage computed by Fine Code Coverage -

-

#Improvements

• Usage of RetryPolicy (Polly)

• Implement CacheDecorator pattern for services that retrieve payments details

• Handle PaymentData Security (hashed data...)

• Handle Permissions and security (oAuth, Jwt)

#Cloud Technologies that could be used

• Disaster Recovery

• Data Backup

• Horizontal Scaling

• Load Balancing

• Caching.