feat: migrate backend storage to postgres

apps/backend/api/finance/transactions.post.ts

@@ -1,21 +1,23 @@
+import type { TransactionStatus } from '~/utils/finance-repository';
+
 import { readBody } from 'h3';
 import {
   createTransaction,
-  type TransactionStatus,
+  getAccountById,
+  getCategoryById,
 } from '~/utils/finance-repository';
 import { useResponseError, useResponseSuccess } from '~/utils/response';
-import { notifyTransactionWebhook } from '~/utils/telegram-webhook';
 import { notifyTransaction } from '~/utils/telegram-bot';
-import db from '~/utils/sqlite';
+import { notifyTransactionWebhook } from '~/utils/telegram-webhook';
 
 const DEFAULT_CURRENCY = 'CNY';
-const ALLOWED_STATUSES: TransactionStatus[] = [
+const ALLOWED_STATUSES = new Set<TransactionStatus>([
   'draft',
   'pending',
   'approved',
   'rejected',
   'paid',
-];
+]);
 
 export default defineEventHandler(async (event) => {
   const body = await readBody(event);
@@ -29,13 +31,12 @@ export default defineEventHandler(async (event) => {
     return useResponseError('金额格式不正确', -1);
   }
 
-  const status =
-    (body.status as TransactionStatus | undefined) ?? 'approved';
-  if (!ALLOWED_STATUSES.includes(status)) {
+  const status = (body.status as TransactionStatus | undefined) ?? 'approved';
+  if (!ALLOWED_STATUSES.has(status)) {
     return useResponseError('状态值不合法', -1);
   }
 
-  const transaction = createTransaction({
+  const transaction = await createTransaction({
     type: body.type,
     amount,
     currency: body.currency ?? DEFAULT_CURRENCY,
@@ -61,23 +62,12 @@ export default defineEventHandler(async (event) => {
 
   // 发送Telegram通知（新功能）
   try {
-    // 获取分类和账户名称
-    let categoryName: string | undefined;
-    let accountName: string | undefined;
-
-    if (transaction.categoryId) {
-      const category = db
-        .prepare<{ name: string }>('SELECT name FROM finance_categories WHERE id = ?')
-        .get(transaction.categoryId);
-      categoryName = category?.name;
-    }
-
-    if (transaction.accountId) {
-      const account = db
-        .prepare<{ name: string }>('SELECT name FROM finance_accounts WHERE id = ?')
-        .get(transaction.accountId);
-      accountName = account?.name;
-    }
+    const category = transaction.categoryId
+      ? await getCategoryById(transaction.categoryId)
+      : null;
+    const account = transaction.accountId
+      ? await getAccountById(transaction.accountId)
+      : null;
 
     await notifyTransaction(
       {
@@ -85,8 +75,8 @@ export default defineEventHandler(async (event) => {
         type: transaction.type,
         amount: transaction.amount,
         currency: transaction.currency,
-        categoryName,
-        accountName,
+        categoryName: category?.name,
+        accountName: account?.name,
         transactionDate: transaction.transactionDate,
         description: transaction.description || undefined,
         status: transaction.status,