Files
ai-xiaocai/server/db.js
kicer 49ae9ef251 refactor: v2 重构 — 模块化拆分 + AI Prompt模板化 + 前端状态管理
P0 - AI交互层:
- ai/prompt.js: 模块化 Prompt 模板
- ai/validator.js: JSON Schema 校验 + normalize
- ai/client.js: DeepSeek API 封装
- 金额计算唯一化,时间格式归一化

P1 - 后端架构:
- routes/: auth/rooms/messages/purchases 独立路由
- middleware/auth.js: 认证授权中间件
- ws/index.js: WebSocket 连接管理
- db.js: 启用 foreign_keys
- server.js: 从588行精简到40行入口

P2 - 前端架构:
- public/css/style.css: CSS 独立
- public/js/store.js: 全局状态 Store
- public/js/{chat,ws,purchases,auth}.js: 功能模块拆分
- index.html: 纯 HTML 结构, v2.6
2026-07-22 16:59:56 +08:00

96 lines
2.8 KiB
JavaScript

const Database = require('better-sqlite3');
const path = require('path');
const fs = require('fs');
const dataDir = '/app/data';
if (!fs.existsSync(dataDir)) {
fs.mkdirSync(dataDir, { recursive: true });
}
const dbPath = path.join(dataDir, 'xiaocai.db');
const db = new Database(dbPath);
// 关键 pragma
db.pragma('journal_mode = WAL');
db.pragma('foreign_keys = ON');
// 创建基础表
db.exec(`
CREATE TABLE IF NOT EXISTS users (
username TEXT PRIMARY KEY,
password TEXT NOT NULL,
is_admin INTEGER DEFAULT 0
);
CREATE TABLE IF NOT EXISTS rooms (
id TEXT PRIMARY KEY,
name TEXT NOT NULL,
created_by TEXT NOT NULL,
white_list TEXT DEFAULT '',
created_at TEXT DEFAULT (datetime('now','localtime'))
);
CREATE TABLE IF NOT EXISTS messages (
id INTEGER PRIMARY KEY AUTOINCREMENT,
room_id TEXT NOT NULL,
user TEXT NOT NULL,
text TEXT,
attachments TEXT,
timestamp TEXT DEFAULT (datetime('now','localtime')),
FOREIGN KEY(room_id) REFERENCES rooms(id)
);
CREATE TABLE IF NOT EXISTS purchases (
id TEXT PRIMARY KEY,
room_id TEXT NOT NULL,
item TEXT,
quantity INTEGER DEFAULT 1,
unit_price REAL DEFAULT 0,
amount REAL DEFAULT 0,
freight REAL DEFAULT 0,
payment_method TEXT DEFAULT '未指定',
invoice_type TEXT DEFAULT '无票',
status TEXT DEFAULT '待处理',
applicant TEXT,
remarks TEXT DEFAULT '',
created_at TEXT DEFAULT (datetime('now','localtime')),
updated_at TEXT DEFAULT (datetime('now','localtime')),
FOREIGN KEY(room_id) REFERENCES rooms(id)
);
CREATE TABLE IF NOT EXISTS purchase_history (
id INTEGER PRIMARY KEY AUTOINCREMENT,
purchase_id TEXT NOT NULL,
action TEXT NOT NULL,
user TEXT NOT NULL,
timestamp TEXT DEFAULT (datetime('now','localtime')),
attachments TEXT,
FOREIGN KEY(purchase_id) REFERENCES purchases(id)
);
CREATE TABLE IF NOT EXISTS purchase_attachments (
id INTEGER PRIMARY KEY AUTOINCREMENT,
purchase_id TEXT NOT NULL,
file_path TEXT NOT NULL,
uploaded_by TEXT NOT NULL,
timestamp TEXT DEFAULT (datetime('now','localtime')),
FOREIGN KEY(purchase_id) REFERENCES purchases(id)
);
`);
// 安全迁移(忽略已存在的列)
const migrations = [
`ALTER TABLE purchases ADD COLUMN quantity INTEGER DEFAULT 1`,
`ALTER TABLE purchases ADD COLUMN unit_price REAL DEFAULT 0`,
`ALTER TABLE purchases ADD COLUMN freight REAL DEFAULT 0`,
`ALTER TABLE purchases ADD COLUMN invoice_type TEXT DEFAULT '无票'`,
`ALTER TABLE purchases ADD COLUMN payment_method TEXT DEFAULT '未指定'`,
`ALTER TABLE purchases ADD COLUMN remarks TEXT DEFAULT ''`,
`ALTER TABLE rooms ADD COLUMN white_list TEXT DEFAULT ''`,
];
for (const sql of migrations) {
try { db.exec(sql); } catch (e) { /* 列已存在 */ }
}
module.exports = db;