Fix user assignment creation for new objects [SCI-12187]

app/models/concerns/assignable.rb

@@ -53,8 +53,12 @@ module Assignable
       false
     end
 
-    def role_for_user(user)
-      user_assignments.find_by(user: user)&.user_role
+    def role_for_user(user, team)
+      user_assignments.find_by(user: user, team: team)&.user_role ||
+        user_group_assignments.joins(user_group: :user_group_memberships)
+                              .where(team: team, user_groups: { user_group_memberships: { user_id: user.id } })
+                              .last&.user_role ||
+        team_assignments.find_by(team: team)&.user_role
     end
 
     def manually_assigned_users
@@ -116,7 +120,7 @@ module Assignable
       role = if top_level_assignable?
                UserRole.find_predefined_owner_role
              else
-               permission_parent.user_assignments.find_by(user: created_by).user_role
+               permission_parent.role_for_user(created_by, team)
              end
 
       UserAssignment.create!(

spec/services/experiments/move_to_project_service_spec.rb

@@ -12,7 +12,7 @@ describe Experiments::MoveToProjectService do
     create :project, team: team, created_by: user
   end
   let(:experiment) do
-    create :experiment, :with_tasks, name: 'MyExp', project: project
+    create :experiment, :with_tasks, name: 'MyExp', project: project, created_by: user
   end
   let(:service_call) do
     Experiments::MoveToProjectService.call(experiment_id: experiment.id,
@@ -95,8 +95,9 @@ describe Experiments::MoveToProjectService do
     end
 
     it 'returns error if teams is not the same' do
-      t = create :team
-      project.update(team: t)
+      another_team = create :team
+      wrong_project = create :project, team: another_team
+      service_call = Experiments::MoveToProjectService.call(experiment_id: experiment.id, project_id: wrong_project.id, user_id: user.id)
 
       expect(service_call.errors).to have_key(:target_project_not_valid)
     end