Oli Sturm
70 lines
2.3 KiB
JavaScript
70 lines
2.3 KiB
JavaScript
import { ok, fail } from '../library/result.js';
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import { logReturn } from '../library/logging.js';
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import { accountNotFound } from '../domain/account.js';
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/**
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* @typedef {Object} Repository
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* @property {(id: string) => import('../library/result.js').Result<import('../domain/account.js').Account, import('../domain/account.js').AccountError>} loadAccount
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* @property {(account: import('../domain/account.js').Account) => import('../library/result.js').Result<import('../domain/account.js').Account, import('../domain/account.js').AccountError>} saveAccount
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*/
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/** @typedef {{ type: 'RepositoryCreationFailed', message: string }} AppErrorRepositoryCreationFailed */
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/** @typedef {{ type: 'InnerAccountError', innerError: import('../domain/account.js').AccountError }} AppErrorInnerAccountError */
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/** @typedef {AppErrorRepositoryCreationFailed | AppErrorInnerAccountError} AppError */
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/**
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* @param {string} message
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* @returns {AppErrorRepositoryCreationFailed}
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*/
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export const repositoryCreationFailed = (message) => ({
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type: 'RepositoryCreationFailed',
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message,
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});
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/**
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* @param {import('../domain/account.js').AccountError} innerError
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* @returns {AppErrorInnerAccountError}
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*/
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export const innerAccountError = (innerError) => ({
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type: 'InnerAccountError',
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innerError,
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});
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/**
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* @returns {Repository}
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*/
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export const createInMemoryRepository = () => {
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/** @type {Map<string, import('../domain/account.js').Account>} */
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const store = new Map();
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/**
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* @param {string} id
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* @returns {import('../library/result.js').Result<import('../domain/account.js').Account, import('../domain/account.js').AccountError>}
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*/
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const getById = (id) =>
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store.has(id)
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? logReturn(
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`[Repo] Loaded account ${id}`,
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ok(store.get(id))
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)
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: logReturn(
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`[Repo] Account ${id} not found`,
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fail(accountNotFound(id))
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);
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/**
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* @param {import('../domain/account.js').Account} account
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* @returns {import('../library/result.js').Result<import('../domain/account.js').Account, import('../domain/account.js').AccountError>}
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*/
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const save = (account) => {
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store.set(account.id, account);
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return logReturn(
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`[Repo] Saved account ${account.id} with balance ${account.balance.amount.toFixed(2)}`,
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ok(account)
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);
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};
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return { loadAccount: getById, saveAccount: save };
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};
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