Update: Return the parent Id if accessible

(coscine/issues#607)

src/Project/Controllers/ProjectController.cs

@@ -48,6 +48,14 @@ namespace Coscine.Api.Project.Controllers
             var project = _projectModel.GetById(Guid.Parse(id));
             if (_projectModel.HasAccess(user, project, UserRoles.Member, UserRoles.Owner))
             {
+                SubProjectModel subProjectModel = new SubProjectModel();
+                var subProjectRel = subProjectModel.GetAllWhere((subProject) => subProject.SubProjectId == project.Id);
+                
+                var parentProjectRelation = subProjectRel.FirstOrDefault();
+                if (parentProjectRelation != null && _projectModel.HasAccess(user, parentProjectRelation.ProjectId, UserRoles.Member, UserRoles.Owner))
+                {
+                    return Ok(_projectModel.CreateReturnObjectFromDatabaseObject(project, parentProjectRelation.ProjectId));
+                }
                 return Ok(_projectModel.CreateReturnObjectFromDatabaseObject(project));
             }
             else