初始化小财项目

server/db.js

@@ -0,0 +1,78 @@
+const Database = require('better-sqlite3');
+const path = require('path');
+const fs = require('fs');
+
+// 确保数据目录存在
+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);
+
+
+// 启用 WAL 模式提升并发
+db.pragma('journal_mode = WAL');
+
+// 创建表
+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 '',  -- 逗号分隔用户名，空表示所有人
+    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,  -- JSON array of file paths
+    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,
+    amount REAL,
+    method TEXT,
+    status TEXT DEFAULT '待处理',
+    applicant TEXT,
+    created_at TEXT DEFAULT (datetime('now','localtime')),
+    updated_at TEXT DEFAULT (datetime('now','localtime')),
+    ai_notes TEXT,
+    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)
+  );
+`);
+
+module.exports = db;