more minor tweaks

1 files changed, 11 insertions, 0 deletions

diff --git a/_plugins/filters.rb b/_plugins/filters.rb
index 2526573..9e9b026 100644
--- a/_plugins/filters.rb
+++ b/_plugins/filters.rb
@@ -8,6 +8,17 @@ module Filters
 		return "#{items[0]}" if items.length == 1
 		return "#{items[0..-2].join(", ")} and #{items[-1]}"
 	end
+
+	def plural(num, counter)
+		return "#{num} #{counter}#{counter == 1 ? '' : 's'}"
+	end
+
+	def post_sort(posts, sort_by)
+		# date (reverse chronological)
+		return posts.sort_by{ |post| -post.date.to_i } if sort_by == "date"
+		# title (case insensitive)
+		return posts.sort_by{ |post| post.title.downcase } if sort_by == "title"
+	end
 end
 
 Liquid::Template.register_filter(Filters)