1 files changed, 46 insertions, 0 deletions
diff --git a/app/models/members/last_group_owner_assigner.rb b/app/models/members/last_group_owner_assigner.rb
new file mode 100644
index 00000000000..64decb1df36
--- /dev/null
+++ b/app/models/members/last_group_owner_assigner.rb
@@ -0,0 +1,46 @@
+# frozen_string_literal: true
+
+module Members
+  class LastGroupOwnerAssigner
+    def initialize(group, members)
+      @group = group
+      @members = members
+    end
+
+    def execute
+      @last_blocked_owner = no_owners_in_heirarchy? && group.single_blocked_owner?
+      @group_single_owner = owners.size == 1
+
+      members.each { |member| set_last_owner(member) }
+    end
+
+    private
+
+    attr_reader :group, :members, :last_blocked_owner, :group_single_owner
+
+    def no_owners_in_heirarchy?
+      owners.empty?
+    end
+
+    def set_last_owner(member)
+      member.last_owner = member.id.in?(owner_ids) && group_single_owner
+      member.last_blocked_owner = member.id.in?(blocked_owner_ids) && last_blocked_owner
+    end
+
+    def owner_ids
+      @owner_ids ||= owners.where(id: member_ids).ids
+    end
+
+    def blocked_owner_ids
+      @blocked_owner_ids ||= group.blocked_owners.where(id: member_ids).ids
+    end
+
+    def member_ids
+      @members_ids ||= members.pluck(:id)
+    end
+
+    def owners
+      @owners ||= group.members_with_parents.owners.load
+    end
+  end
+end