Backport of "Add assignee lists to boards"

2 files changed, 21 insertions, 9 deletions

diff --git a/app/finders/group_members_finder.rb b/app/finders/group_members_finder.rb
index 067aff408df..2a656c0d31c 100644
--- a/app/finders/group_members_finder.rb
+++ b/app/finders/group_members_finder.rb
@@ -3,17 +3,29 @@ class GroupMembersFinder
     @group = group
   end
 
-  def execute
+  def execute(include_descendants: false)
     group_members = @group.members
+    wheres = []
 
-    return group_members unless @group.parent
+    return group_members unless @group.parent || include_descendants
 
-    parents_members = GroupMember.non_request
-      .where(source_id: @group.ancestors.select(:id))
-      .where.not(user_id: @group.users.select(:id))
+    wheres << "members.id IN (#{group_members.select(:id).to_sql})"
 
-    wheres = ["members.id IN (#{group_members.select(:id).to_sql})"]
-    wheres << "members.id IN (#{parents_members.select(:id).to_sql})"
+    if @group.parent
+      parents_members = GroupMember.non_request
+        .where(source_id: @group.ancestors.select(:id))
+        .where.not(user_id: @group.users.select(:id))
+
+      wheres << "members.id IN (#{parents_members.select(:id).to_sql})"
+    end
+
+    if include_descendants
+      descendant_members = GroupMember.non_request
+        .where(source_id: @group.descendants.select(:id))
+        .where.not(user_id: @group.users.select(:id))
+
+      wheres << "members.id IN (#{descendant_members.select(:id).to_sql})"
+    end
 
     GroupMember.where(wheres.join(' OR '))
   end
diff --git a/app/finders/members_finder.rb b/app/finders/members_finder.rb
index 4734d97b8c7..4c893ae2de6 100644
--- a/app/finders/members_finder.rb
+++ b/app/finders/members_finder.rb
@@ -7,12 +7,12 @@ class MembersFinder
     @group = project.group
   end
 
-  def execute
+  def execute(include_descendants: false)
     project_members = project.project_members
     project_members = project_members.non_invite unless can?(current_user, :admin_project, project)
 
     if group
-      group_members = GroupMembersFinder.new(group).execute
+      group_members = GroupMembersFinder.new(group).execute(include_descendants: include_descendants)
       group_members = group_members.non_invite
 
       union = Gitlab::SQL::Union.new([project_members, group_members], remove_duplicates: false)