133 lines
4.3 KiB
TypeScript
133 lines
4.3 KiB
TypeScript
import fs from 'node:fs';
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import path from 'node:path';
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import { createClient } from '@libsql/client';
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import { env } from '../config/env.js';
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import { prisma } from './db.js';
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import { logger } from './logger.js';
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import { hashPassword } from './password.js';
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/**
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* 首次启动时的数据库初始化(SQLite/libSQL)。
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*
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* 场景:安装程序首次运行、Docker 挂载了空数据卷、用户手动删除了数据库文件。
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* 做法:若目标库中还没有业务表,就把随包发布的 Prisma 迁移 SQL 依次执行一遍。
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*
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* 说明:
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* - 只处理 SQLite(本项目打包安装的默认形态);
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* MySQL 请在部署流程中执行 `prisma migrate deploy`(Docker 镜像已内置该步骤)。
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* - 迁移文件按目录名(时间戳)升序执行,与 Prisma 的行为一致。
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*/
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/** 迁移文件所在目录(打包后随 server 一起发布) */
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function migrationsRoot(): string {
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const candidates = [
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env.isProduction ? path.resolve(env.serverRoot, 'prisma', 'migrations') : '',
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path.resolve(env.serverRoot, 'prisma', 'migrations'),
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path.resolve(env.serverRoot, '..', 'prisma', 'migrations'),
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].filter(Boolean);
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for (const candidate of candidates) {
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if (fs.existsSync(candidate)) return candidate;
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}
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return path.resolve(env.serverRoot, 'prisma', 'migrations');
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}
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/** 收集迁移 SQL 文件(按目录名升序) */
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export function listMigrationFiles(): string[] {
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const root = migrationsRoot();
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if (!fs.existsSync(root)) return [];
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return fs
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.readdirSync(root, { withFileTypes: true })
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.filter((entry) => entry.isDirectory())
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.map((entry) => entry.name)
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.sort()
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.map((name) => path.join(root, name, 'migration.sql'))
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.filter((file) => fs.existsSync(file));
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}
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/** 业务表是否已存在(用 User 表作为探针) */
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async function schemaExists(): Promise<boolean> {
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try {
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const rows = await prisma.$queryRaw<Array<{ name: string }>>`
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SELECT name FROM sqlite_master WHERE type = 'table' AND name = 'User'
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`;
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return rows.length > 0;
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} catch {
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return false;
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}
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}
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export interface BootstrapResult {
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applied: number;
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skipped: boolean;
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detail: string;
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}
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/**
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* 初始化管理员账号。
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*
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* 全新安装的数据库是空的,没有任何账号可登录,因此首次启动(AUTO_MIGRATE=true)
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* 会创建一个管理员账号;如果使用的是默认密码,会在日志中给出醒目提示。
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*/
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export async function ensureInitialAdmin(): Promise<{ created: boolean; username: string }> {
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const existing = await prisma.user.count({ where: { role: 'ADMIN' } });
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if (existing > 0) return { created: false, username: env.initialAdminUsername };
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await prisma.user.create({
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data: {
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username: env.initialAdminUsername,
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name: '系统管理员',
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role: 'ADMIN',
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passwordHash: await hashPassword(env.initialAdminPassword),
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},
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});
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if (env.initialAdminPassword === 'admin123') {
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logger.warn(
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`已创建初始管理员 ${env.initialAdminUsername} / ${env.initialAdminPassword}(默认密码),请登录后立即在「修改密码」中更换`,
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);
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} else {
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logger.info(`已创建初始管理员账号:${env.initialAdminUsername}`);
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}
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return { created: true, username: env.initialAdminUsername };
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}
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/**
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* 确保数据库结构存在。
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* 仅在 AUTO_MIGRATE=true 时由启动流程调用。
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*/
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export async function ensureSchema(): Promise<BootstrapResult> {
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if (env.databaseProvider !== 'sqlite') {
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return {
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applied: 0,
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skipped: true,
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detail: '非 SQLite 数据库:请在部署流程中执行 prisma migrate deploy',
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};
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}
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if (await schemaExists()) {
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return { applied: 0, skipped: true, detail: '数据库结构已存在,跳过初始化' };
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}
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const files = listMigrationFiles();
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if (files.length === 0) {
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return { applied: 0, skipped: true, detail: '未找到迁移文件,请手动执行 pnpm db:migrate' };
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}
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const client = createClient({ url: env.databaseUrl });
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let applied = 0;
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try {
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for (const file of files) {
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const sql = fs.readFileSync(file, 'utf8');
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await client.executeMultiple(sql);
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applied += 1;
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logger.info(`已应用迁移:${path.basename(path.dirname(file))}`);
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}
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} finally {
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client.close();
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}
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return { applied, skipped: false, detail: `已应用 ${applied} 个迁移文件` };
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}
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