refactor: sale estimates to nestjs

src/errors/service-error.ts

@@ -0,0 +1,14 @@
+import { HttpStatus } from '@nestjs/common';
+
+export class ServiceError extends Error {
+  constructor(
+    public message: string,
+    private status: HttpStatus = HttpStatus.INTERNAL_SERVER_ERROR,
+  ) {
+    super(message);
+  }
+
+  getStatus(): HttpStatus {
+    return this.status;
+  }
+}