feat(server): add error handler & refactor controllers

packages/server/src/middleware/errorHandler.ts

@@ -0,0 +1,17 @@
+import {Request, Response, NextFunction} from "express";
+import {ApiError} from "../types/api";
+
+export function errorHandler(err: any, req: Request, res: Response, next: NextFunction) {
+  console.error(err);
+
+  if (err instanceof ApiError) {
+    return res.status(err.status).json({code: err.status, message: err.message, data: null});
+  }
+
+  // tsoa 内部生成的验证错误
+  if (err.status && err.status >= 400) {
+    return res.status(err.status).json({ message: err.message });
+  }
+
+  res.status(500).json({ message: 'Internal Server Error' });
+}