mmex_lib 0.1.2-beta.1

Library for interacting with Money Manager EX data and logic
Documentation 
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mod common;
use mmex_lib::domain::accounts::{Account, AccountStatus, AccountType};
use mmex_lib::domain::payees::PayeeId;
use mmex_lib::domain::transactions::{Transaction, TransactionCode, TransactionStatus};
use mmex_lib::domain::types::{AccountId, Money, TransactionId};
use rust_decimal_macros::dec;

#[test]
fn test_account_balance_calculation() {
    let ctx = common::setup_test_db();
    let account_service = ctx.accounts();
    let tx_service = ctx.transactions();

    // 1. Crear Cuenta Principal (Balance Inicial: 1000)
    let acc = Account {
        id: AccountId { v1: 1 },
        name: "Bank".into(),
        account_type: AccountType::Checking,
        account_num: None,
        status: AccountStatus::Open,
        notes: None,
        initial_balance: Money::from(dec!(1000.0)),
        currency_id: mmex_lib::domain::currencies::CurrencyId { v1: 1 },
        favorite: false,
    };
    account_service.create_account(&acc).unwrap();

    // 2. Crear Cuenta Secundaria para transferencias
    let acc2 = Account {
        id: AccountId { v1: 2 },
        name: "Savings".into(),
        account_type: AccountType::Checking,
        account_num: None,
        status: AccountStatus::Open,
        notes: None,
        initial_balance: Money::from(dec!(0.0)),
        currency_id: mmex_lib::domain::currencies::CurrencyId { v1: 1 },
        favorite: false,
    };
    account_service.create_account(&acc2).unwrap();

    // 3. Realizar Movimientos

    // Depósito: +500
    tx_service
        .create_transaction(&Transaction {
            id: TransactionId { v1: 0 },
            account_id: AccountId { v1: 1 },
            to_account_id: None,
            payee_id: PayeeId { v1: 1 },
            trans_code: TransactionCode::Deposit,
            amount: Money::from(dec!(500.0)),
            status: TransactionStatus::None,
            transaction_number: None,
            notes: None,
            category_id: None,
            date: None,
            to_amount: None,
        })
        .unwrap();

    // Retiro: -200
    tx_service
        .create_transaction(&Transaction {
            id: TransactionId { v1: 0 },
            account_id: AccountId { v1: 1 },
            to_account_id: None,
            payee_id: PayeeId { v1: 1 },
            trans_code: TransactionCode::Withdrawal,
            amount: Money::from(dec!(200.0)),
            status: TransactionStatus::None,
            transaction_number: None,
            notes: None,
            category_id: None,
            date: None,
            to_amount: None,
        })
        .unwrap();

    // Transferencia Entrante: +300 (Desde Cuenta 2 a Cuenta 1)
    tx_service
        .create_transaction(&Transaction {
            id: TransactionId { v1: 0 },
            account_id: AccountId { v1: 2 },
            to_account_id: Some(AccountId { v1: 1 }),
            payee_id: PayeeId { v1: 1 },
            trans_code: TransactionCode::Transfer,
            amount: Money::from(dec!(300.0)),
            status: TransactionStatus::None,
            transaction_number: None,
            notes: None,
            category_id: None,
            date: None,
            to_amount: None,
        })
        .unwrap();

    // Transferencia Saliente: -100 (Desde Cuenta 1 a Cuenta 2)
    tx_service
        .create_transaction(&Transaction {
            id: TransactionId { v1: 0 },
            account_id: AccountId { v1: 1 },
            to_account_id: Some(AccountId { v1: 2 }),
            payee_id: PayeeId { v1: 1 },
            trans_code: TransactionCode::Transfer,
            amount: Money::from(dec!(100.0)),
            status: TransactionStatus::None,
            transaction_number: None,
            notes: None,
            category_id: None,
            date: None,
            to_amount: None,
        })
        .unwrap();

    // 4. Calcular y Validar
    let balance = account_service
        .get_account_balance(AccountId { v1: 1 })
        .expect("Failed to calculate balance");

    // Balance esperado: 1000 (init) + 500 (dep) - 200 (with) + 300 (trans in) - 100 (trans out) = 1500
    assert_eq!(balance.current_balance.to_decimal(), dec!(1500.0));
    assert_eq!(balance.total_deposits.to_decimal(), dec!(800.0)); // 500 + 300
    assert_eq!(balance.total_withdrawals.to_decimal(), dec!(300.0)); // 200 + 100
}