added filter by year, solved #34

hpi-swt2-exercise · Nov 9, 2017 · e9d4b62 · e9d4b62
1 parent e1d8c4b
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diff --git a/app/controllers/papers_controller.rb b/app/controllers/papers_controller.rb
@@ -1,6 +1,12 @@
 class PapersController < ApplicationController
 	def index
-  	@papers = Paper.all
+    @papers = []
+    if params.has_key?(:year)
+      @papers = Paper.matches_year(params[:year].to_i)
+    else
+      @papers = Paper.all
+    end
+
   end
 
  def show

diff --git a/app/models/paper.rb b/app/models/paper.rb
@@ -3,4 +3,8 @@ class Paper < ActiveRecord::Base
   validates :title, presence: true
   validates :venue, presence: true
   validates :year, presence: true,  numericality: { only_integer: true }
+
+  def self.matches_year(year)
+  	return self.all.select{|p| p.year == year}
+  end
 end