76 lines
1.9 KiB
TypeScript
76 lines
1.9 KiB
TypeScript
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import { BcryptCrypto, Crypto } from "./crypto.ts";
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import { Database } from "./database.ts";
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import { _, Err, Ok, Result } from "./utils.ts";
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export type CreateUserReq = {
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username: string;
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password: string;
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};
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export type CreateUserError =
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| "internal"
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| "username empty"
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| "password empty"
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| "username taken";
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export type UserInfoRes = {
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id: number;
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username: string;
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};
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export type UserInfoError =
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| "internal"
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| "not found";
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export class Users {
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public constructor(
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private db: Database,
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private crypto: Crypto = new BcryptCrypto(),
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) {}
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public async createUser(
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req: CreateUserReq,
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): Promise<Result<_, CreateUserError>> {
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if (req.username === "") {
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return Err("username empty");
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}
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if (req.password === "") {
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return Err("password empty");
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}
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const userExistsResult = await this.db.userWithUsernameExists(
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req.username,
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);
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if (!userExistsResult.ok) {
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return Err("internal");
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}
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if (userExistsResult.value) {
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return Err("username taken");
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}
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const passwordHash = await this.crypto.hash(req.password);
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const createResult = await this.db.createUser({
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username: req.username,
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passwordHash,
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});
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if (!createResult.ok) {
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return Err("internal");
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}
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return Ok(_);
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}
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public async userInfo(
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id: number,
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): Promise<Result<UserInfoRes, UserInfoError>> {
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const queryResult = await this.db.userWithId(id);
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if (!queryResult.ok) {
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return Err("internal");
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}
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if (!queryResult.value.some) {
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return Err("not found");
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}
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const user = queryResult.value.value;
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return Ok({
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id: user.id,
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username: user.username,
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});
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}
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}
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