From 9bb088a5c72eddac5848f4bda59e043abeda6fea Mon Sep 17 00:00:00 2001
From: Bertocq <bertocq@gmail.com>
Date: Mon, 22 Jan 2018 19:43:28 +0100
Subject: [PATCH] Add single_heading_group? helper at Budget::Group model

---
 app/models/budget/group.rb | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/app/models/budget/group.rb b/app/models/budget/group.rb
index 93d7bba63..a2b3179a3 100644
--- a/app/models/budget/group.rb
+++ b/app/models/budget/group.rb
@@ -10,5 +10,8 @@ class Budget
     validates :name, presence: true, uniqueness: { scope: :budget }
     validates :slug, presence: true, format: /\A[a-z0-9\-_]+\z/
 
+    def single_heading_group?
+      headings.count == 1
+    end
   end
 end