1 files changed, 17 insertions, 0 deletions
diff --git a/app/models/linked_user.rb b/app/models/linked_user.rb
new file mode 100644
index 000000000..e049c6f77
--- /dev/null
+++ b/app/models/linked_user.rb
@@ -0,0 +1,17 @@
+# == Schema Information
+#
+# Table name: linked_users
+#
+#  id             :bigint(8)        not null, primary key
+#  user_id        :bigint(8)
+#  target_user_id :bigint(8)
+#  created_at     :datetime         not null
+#  updated_at     :datetime         not null
+#
+
+class LinkedUser < ApplicationRecord
+  belongs_to :user, inverse_of: :linked_users
+  belongs_to :target_user, class_name: 'User'
+
+  validates :user_id, uniqueness: { scope: :target_user_id }
+end