Refs #22: check year int

hpi-swt2-exercise · Nov 3, 2017 · a55d48c · a55d48c
1 parent d194427
commit a55d48c
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/app/models/paper.rb b/app/models/paper.rb
@@ -1,3 +1,4 @@
 class Paper < ActiveRecord::Base
   validates :title, :venue, :year, presence: true
+  validates :year, numericality: { only_integer: true }
 end