/Training.Bnk

Primary LanguageC#

Training.Bnk Learning Project

Objective

This project is intended to be used as a project where I can practice some tech/concepts

  • DDD
  • Transactional Outbox
  • Distributed Transactions :: Saga (at least 2 microservice + 1 service to query aggregated data >> API Composition or CQRS)
  • Port and adapters
  • Event Sourcing
  • CQRS
  • Service discovery / apim
  • Elk
  • Api versioning

Domain

  1. Account Management

    • Features

      • Account Creation:
        • Types of accounts (checking, savings, investment).
        • Initial data such as balance, credit limit, etc.
      • Account Deletion and Update:
        • Updating account data (type, limits, etc.).
        • Deleting accounts, considering business rules (non-zero balance, pending issues).
      • Balance Inquiry:
        • Checking the current balance.
        • Detailed statement of recent transactions.

    • Domain Events

      • AccountCreatedEvent
      • AccountUpdatedEvent
      • AccountDeletedEvent

    • Entities

      • Account
        • Properties: AccountId, AccountType, Balance, CreditLimit, CreationDate, UpdateDate
        • Methods: CreateAccount, UpdateAccount, DeleteAccount, CheckBalance

    • Aggregates

      • AccountAggregate
        • Root: Account
        • Components: Transactions (related to the account)

    • Value Objects

      • AccountType
        • Types: Checking, Savings, Investment
      • Balance
        • Properties: Amount, Currency
      • CreditLimit
        • Properties: LimitAmount, Currency

  2. Transactions

    • Features

      • Deposits and Withdrawals:
        • Adding funds to the account.
        • Withdrawing funds, respecting available balance and possible limits.
      • Account Transfers:
        • Internal transfers (between accounts within the same bank).
      • Transaction History:
        • Detailed record of all transactions (date, amount, type).
      • Transaction Notifications:
        • Sending notifications via email or SMS after transactions are made.

    • Domain Events

      • DepositMadeEvent
      • WithdrawalMadeEvent
      • TransferMadeEvent

    • Entities

      • Transaction
        • Properties: TransactionId, AccountId, Amount, Type (Deposit, Withdrawal, Transfer), Date, Status
        • Methods: CreateTransaction, UpdateTransaction, GetTransactionDetails

    • Aggregates

      • TransactionAggregate
        • Root: Transaction
        • Components: Account (related to the transaction)

    • Value Objects

      • TransactionType
        • Types: Deposit, Withdrawal, InternalTransfer, ExternalTransfer
      • Amount
        • Properties: Value, Currency
      • TransactionStatus
        • Types: Pending, Completed, Failed

Future changes on V2

  • New Domain

    • Notification
    • Customer Management
      • New Customer Registration:
        • Collecting personal information (name, address, contact details).
        • Initial credit check.
      • Updating Personal Information:
        • Allowing customers to update their personal details.
      • Credit Verification:
        • Checking and updating customers' credit information.

  • Different dbs for writting and querying (CQRS)

Relevant info for developing: