Lannister

PoC of a simple accounting system using Clean Architecture

Installation

Add this line to your application's Gemfile:

gem 'lannister'

And then execute:

$ bundle

Or install it yourself as:

$ gem install lannister

Usage

Print money (adds money to an account):

Lannister.print_money(account_id: 42)

Get balance:

Lannister.get_balance(account_id: 42)

Transfer money:

Lannister.transfer_money(source_account_id: 42,
                        destination_account_id: 22,
                        amount: 100_000)

Data Repository

This gem uses a trade repository that must answer to:

.balance(account_id: 1) => responds` a decimal with the account's current balance

.debit(account_id: 1, amount: 100) => debits the account

.credit(account_id: 1, amount: 100) => credits the account