[ADD] google auth guard

back/src/auth/google-auth.guard.ts

@@ -0,0 +1,14 @@
+// google-auth.guard.ts
+
+import { ExecutionContext, Injectable } from '@nestjs/common';
+import { AuthGuard } from '@nestjs/passport';
+
+@Injectable()
+export class GoogleAuthGuard extends AuthGuard('google') {
+    async canActivate(context: ExecutionContext): Promise<boolean> {
+        const result = (await super.canActivate(context)) as boolean;
+        const request = context.switchToHttp().getRequest();
+        await super.logIn(request);
+        return result;
+    }
+}