Oli Sturm
48 lines
2.0 KiB
JavaScript
48 lines
2.0 KiB
JavaScript
import { bind, ok, tap, tapError, pipe } from '../library/result.js';
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import { output, outputError } from '../library/logging.js';
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import { withdraw } from '../domain/account.js';
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import { createMoney } from '../domain/money.js';
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/**
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* @typedef {import('../infrastructure/repository.js').Repository} Repository
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* @typedef {import('../domain/account.js').Account} Account
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* @typedef {import('../domain/account.js').AccountError} AccountError
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* @typedef {import('../infrastructure/repository.js').AppError} AppError
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* @typedef {import('../library/result.js').Result<Account, AccountError>} AccountResult
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* @typedef {(accountId: string, amount: number) => AccountResult} WithdrawMoneyFn
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* @typedef {import('../library/result.js').Result<WithdrawMoneyFn, AppError>} CreateWithdrawMoneyResult
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*/
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/**
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* @param {string} src
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* @param {string} msg
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* @returns {<T, E>(result: import('../library/result.js').Result<T, E>) => import('../library/result.js').Result<T, E>}
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*/
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const log = (src, msg) => (result) =>
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tap((x) => output(src, msg)(x))(tapError((e) => outputError(src, e))(result));
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/**
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* @param {string} src
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* @param {(x: T) => string} renderText
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* @returns {<T, E>(result: import('../library/result.js').Result<T, E>) => import('../library/result.js').Result<T, E>}
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*/
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const logWith = (src, renderText) => (result) =>
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tap((x) => output(src, renderText(x))(x))(tapError((e) => outputError(src, e))(result));
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/**
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* @param {Repository} repo
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* @returns {CreateWithdrawMoneyResult}
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*/
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export const createWithdrawMoney = (repo) =>
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ok((accountId, amount) =>
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pipe(
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repo.loadAccount(accountId),
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log('App load', 'Account loaded'),
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log('App exec wdrwl', `[App] Executing withdrawal of ${amount.toFixed(2)}...`),
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bind((account) => withdraw(account, createMoney(amount))),
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logWith('App wdrwl done', (a) => `Withdrawal applied. New balance: ${a.balance.amount.toFixed(2)}`),
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bind(repo.saveAccount),
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log('App acc svd', '[App] Account persisted.')
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)
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);
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