fix:基本实现相关功能

src/main/db/data-source.ts

@@ -0,0 +1,30 @@
+import 'reflect-metadata'
+import { DataSource } from 'typeorm'
+import { app } from 'electron'
+import path from 'path'
+import { ReadingReflectionTaskBatch } from '@main/db/entities/ReadingReflectionTaskBatch'
+import { ReadingReflectionTaskItem } from '@main/db/entities/ReadingReflectionTaskItem'
+
+const dbPath = app.isPackaged
+  ? path.join(app.getPath('userData'), 'reflections.db')
+  : path.join(process.cwd(), 'db.sqlite')
+console.log('--- 数据库存储绝对路径 ---')
+console.log(dbPath)
+console.log('-----------------------')
+export const AppDataSource = new DataSource({
+  type: 'better-sqlite3',
+  database: dbPath,
+  synchronize: true, // 开发环境下自动同步表结构
+  logging: true,
+  entities: [ReadingReflectionTaskBatch, ReadingReflectionTaskItem],
+  migrations: [],
+  subscribers: []
+})
+
+// 初始化方法，在 Electron app.whenReady() 中调用
+export const initDB = async () => {
+  if (!AppDataSource.isInitialized) {
+    await AppDataSource.initialize()
+    console.log('TypeORM SQLite Data Source has been initialized!')
+  }
+}