refactor: 数据库迁移到 ~/.showpic.db

server.js

@@ -1,5 +1,6 @@
 const express = require('express');
 const path = require('path');
+const os = require('os');
 const multer = require('multer');
 const initSqlJs = require('sql.js');
 const { v4: uuidv4 } = require('uuid');
@@ -11,11 +12,12 @@ const FRONT_PORT = 80;
 
 let db;
 
+const DB_PATH = path.join(os.homedir(), '.showpic.db');
+
 async function initDB() {
     const SQL = await initSqlJs();
-    const dbPath = path.join(__dirname, 'data', 'sqlite.db');
-    if (fs.existsSync(dbPath)) {
-        db = new SQL.Database(fs.readFileSync(dbPath));
+    if (fs.existsSync(DB_PATH)) {
+        db = new SQL.Database(fs.readFileSync(DB_PATH));
     } else {
         db = new SQL.Database();
     }
@@ -42,7 +44,7 @@ async function initDB() {
 
 function saveDB() {
     const data = db.export();
-    fs.writeFileSync(path.join(__dirname, 'data', 'sqlite.db'), Buffer.from(data));
+    fs.writeFileSync(DB_PATH, Buffer.from(data));
 }
 
 function runQuery(sql, params) {