From 3da6ef75284ef5e3213de47eb62ef87779b09593 Mon Sep 17 00:00:00 2001
From: Adrien Servel <adrien.servel@filigran.io>
Date: Wed, 29 Jan 2025 13:43:07 +0100
Subject: [PATCH] [backend] Fix null for objectParticipant in Task

---
 .../opencti-graphql/src/modules/task/task-resolvers.ts       | 5 +++++
 .../opencti-graphql/src/modules/task/task.graphql            | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/opencti-platform/opencti-graphql/src/modules/task/task-resolvers.ts b/opencti-platform/opencti-graphql/src/modules/task/task-resolvers.ts
index 0969ad893dd6..30b45af303b6 100644
--- a/opencti-platform/opencti-graphql/src/modules/task/task-resolvers.ts
+++ b/opencti-platform/opencti-graphql/src/modules/task/task-resolvers.ts
@@ -1,5 +1,7 @@
 import type { Resolvers } from '../../generated/graphql';
 import { findAll, findById, taskAdd, taskAddRelation, taskContainsStixObjectOrStixRelationship, taskDelete, taskDeleteRelation, taskEdit } from './task-domain';
+import { loadThroughDenormalized } from '../../resolvers/stix';
+import { INPUT_PARTICIPANT } from '../../schema/general';
 
 const taskResolvers: Resolvers = {
   Query: {
@@ -9,6 +11,9 @@ const taskResolvers: Resolvers = {
       return taskContainsStixObjectOrStixRelationship(context, context.user, args.id, args.stixObjectOrStixRelationshipId);
     },
   },
+  Task: {
+    objectParticipant: (container, _, context) => loadThroughDenormalized(context, context.user, container, INPUT_PARTICIPANT, { sortBy: 'user_email' }),
+  },
   Mutation: {
     taskAdd: (_, { input }, context) => taskAdd(context, context.user, input),
     taskDelete: (_, { id }, context) => taskDelete(context, context.user, id),
diff --git a/opencti-platform/opencti-graphql/src/modules/task/task.graphql b/opencti-platform/opencti-graphql/src/modules/task/task.graphql
index 036c818f4467..077865d77580 100644
--- a/opencti-platform/opencti-graphql/src/modules/task/task.graphql
+++ b/opencti-platform/opencti-graphql/src/modules/task/task.graphql
@@ -93,7 +93,7 @@ type Task implements Container & StixDomainObject & StixCoreObject & StixObject
   modified: DateTime
   x_opencti_graph_data: String
   objectAssignee: [Assignee!]
-  objectParticipant: [Participant!]
+  objectParticipant: [Participant!]!
   avatar: OpenCtiFile
   # Container
   authorized_members: [MemberAccess!]