lib/usaidwat/ext/array.rb in usaidwat-1.5.0 vs lib/usaidwat/ext/array.rb in usaidwat-1.5.1

@@ -1,5 +1,20 @@
 class Array
   def subreddits
     join(' ').split(/[ ,\+]/).map { |sr| sr.downcase }
   end
+
+  def or_join
+    case count
+    when 0
+      ''
+    when 1
+      first
+    when 2
+      join(' or ')
+    else
+      last_entry = 'or ' + last
+      items = self[0...-1] << last_entry
+      items.join(', ')
+    end
+  end
 end