From a8f2f4b50c1655547215874a92e3d34082cf6dde Mon Sep 17 00:00:00 2001
From: morteza-mortezai <mrtz.mrtzi.1989@gmail.com>
Date: Fri, 21 Nov 2025 16:31:04 +0330
Subject: [PATCH] bug

---
 src/core/interceptors/response.interceptor.ts | 40 +++++++++----------
 1 file changed, 20 insertions(+), 20 deletions(-)

diff --git a/src/core/interceptors/response.interceptor.ts b/src/core/interceptors/response.interceptor.ts
index bc1167c..632186c 100755
--- a/src/core/interceptors/response.interceptor.ts
+++ b/src/core/interceptors/response.interceptor.ts
@@ -3,32 +3,43 @@ import { GqlExecutionContext } from '@nestjs/graphql';
 import { FastifyReply, FastifyRequest } from 'fastify';
 import { Observable } from 'rxjs';
 import { map } from 'rxjs/operators';
-import { Reflector } from '@nestjs/core';
 
 @Injectable()
 export class ResponseInterceptor implements NestInterceptor {
-  constructor(private reflector: Reflector) {}
+  constructor() {}
+
+  private isGraphQLBody(body: unknown): boolean {
+    if (!body || typeof body !== 'object') {
+      return false;
+    }
+    const bodyObj = body as Record<string, unknown>;
+    return !!(bodyObj.query || bodyObj.mutation || bodyObj.operationName);
+  }
 
   intercept(context: ExecutionContext, next: CallHandler<Record<string, unknown>>): Observable<unknown> {
     // Check if this is a GraphQL request
     // GraphQL requests should bypass this interceptor as they handle their own response format
 
-    // Method 1: Check context type (most reliable for GraphQL)
-    const contextType = context.getType();
-    if (contextType === 'graphql') {
-      return next.handle();
+    // Method 1: Try to create GraphQL context - if it doesn't throw, it's GraphQL
+    try {
+      const gqlContext = GqlExecutionContext.create(context);
+      // If we can create it and it has GraphQL-specific properties, it's GraphQL
+      if (gqlContext && gqlContext.getInfo()) {
+        return next.handle();
+      }
+    } catch {
+      // Not a GraphQL context, continue
     }
 
     // Method 2: Check request URL and body for GraphQL endpoint
     try {
       const request = context.switchToHttp().getRequest<FastifyRequest>();
       // Check URL path
-      if (request.url?.includes('/graphql') || request.routerPath?.includes('/graphql')) {
+      if (request.url?.includes('/graphql')) {
         return next.handle();
       }
       // Check if request body contains GraphQL query/mutation
-      const body = request.body as any;
-      if (body && typeof body === 'object' && (body.query || body.mutation || body.operationName)) {
+      if (this.isGraphQLBody(request.body)) {
         return next.handle();
       }
     } catch {
@@ -44,17 +55,6 @@ export class ResponseInterceptor implements NestInterceptor {
       return next.handle();
     }
 
-    // Method 4: Try to create GraphQL context - if it doesn't throw, it's GraphQL
-    try {
-      const gqlContext = GqlExecutionContext.create(context);
-      // If we can create it and it has GraphQL-specific properties, it's GraphQL
-      if (gqlContext && gqlContext.getInfo) {
-        return next.handle();
-      }
-    } catch {
-      // Not a GraphQL context, continue
-    }
-
     // For REST endpoints, wrap the response
     try {
       const ctx = context.switchToHttp().getResponse<FastifyReply>();