init project

app/models/program_bank.rb

@@ -0,0 +1,34 @@
+class ProgramBank < ApplicationRecord
+
+  def oj_language
+    result = case language
+             when '1'
+             then 'C'
+             when '2'
+             then 'C++'
+             when '3'
+             then 'Python'
+             when '4'
+             then 'Java'
+             end
+    result
+  end
+
+  def strip_description
+    strip_html description
+  end
+
+  def oj_sub_discipline_id
+    result = case language
+             when '1'
+             then 3
+             when '2'
+             then 4
+             when '3'
+             then 5
+             when '4'
+             then 2
+             end
+    result
+  end
+end