Added scope to paper. Closes #42

hpi-swt2-exercise · Nov 9, 2017 · 8802f1a · 8802f1a
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commit 8802f1a
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/app/models/paper.rb b/app/models/paper.rb
@@ -3,4 +3,5 @@ class Paper < ActiveRecord::Base
   validates :venue, presence: true
   validates :year, presence: true, numericality: { only_integer: true }
   has_and_belongs_to_many :authors
+  scope :published_in, ->(year) { where("year == ?", year) }
 end