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POST_NAME = %r{^/posts/(\d{4})-(\d{2})-(\d{2})-(.*)/$}
require 'time'
require 'yaml'
def blog_posts_in_order
@blog_posts_in_order ||= @items.select {|i| i.identifier =~ %r{/posts} }.sort_by {|i| i.identifier }
end
def previous_post(item = @item)
current_index = blog_posts_in_order.index(item)
if current_index && current_index > 0
blog_posts_in_order[current_index - 1]
end
end
def next_post(item = @item)
current_index = blog_posts_in_order.index(item)
if current_index && current_index < blog_posts_in_order.size - 1
blog_posts_in_order[current_index + 1]
end
end
def blog_date(item = @item)
if item.identifier =~ POST_NAME
Time.new($1.to_i, $2.to_i, $3.to_i)
end
end
def authors
@site.cached("authors") do
YAML.load_file("#{File.dirname(__FILE__)}/../authors.yml")
end
end
def author(author_id)
authors[author_id]
end
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