fix: better graphql response (#54)

Co-authored-by: TakahashiNg <83152264+TakahashiNguyen@users.noreply.github.com>
Reviewed-on: #54

gateway-service/src/main/java/com/drinkool/controller/GraphqlBase.java

@@ -9,6 +9,9 @@ import jakarta.json.bind.Jsonb;
 import jakarta.ws.rs.core.HttpHeaders;
 import jakarta.ws.rs.core.MediaType;
 import jakarta.ws.rs.core.Response;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
 
 public abstract class GraphqlBase {
 
@@ -39,18 +42,25 @@ public abstract class GraphqlBase {
 				gqlRequest.variables
 			);
 
-			if (response.hasError()) {
-				return Response.status(400)
-					.entity(jsonb.toJson(response.getErrors()))
-					.build();
-			}
+			Map<String, Object> gqlBody = new HashMap<>();
 
-			return Response.ok(jsonb.toJson(response.getData()))
+			gqlBody.put("data", response.getData());
+			gqlBody.put("errors", response.getErrors());
+			return Response.ok(jsonb.toJson(gqlBody))
 				.type(MediaType.APPLICATION_JSON)
 				.build();
 		} catch (Exception e) {
 			e.printStackTrace();
-			return Response.serverError().entity("Lỗi kết nối tới service").build();
+			Map<String, Object> errorBody = new HashMap<>();
+			errorBody.put(
+				"errors",
+				List.of(Map.of("message", "Lỗi kết nối tới service: " + e.getMessage()))
+			);
+
+			return Response.serverError()
+				.type(MediaType.APPLICATION_JSON)
+				.entity(jsonb.toJson(errorBody))
+				.build();
 		}
 	}
 }