Rake tasks for draft and publish

Rakefile

@@ -1,10 +1,16 @@
+require 'fileutils'
+
+DRAFTS = "_drafts"
+POSTS = "_posts"
+DATE = Time.now.strftime("%Y-%m-%d")
+
 task :default => :server
- 
+
 desc 'Build site with Jekyll'
 task :build do
   jekyll 'build'
 end
- 
+
 desc 'Build and start local server'
 task :server do
   jekyll 'serve -w -D'
@@ -15,6 +21,49 @@ task :deploy => :build do
   sh 'rsync -rtzh --delete _site/ walkah.net:/var/www/walkah.net/'
 end
 
+# rake draft["Title"]
+desc "Create a post in _drafts"
+task :draft, :title do |t, args|
+  title = args[:title]
+  filename = "#{slugify(title)}.md"
+  create_file(DRAFTS, filename, title)
+end
+
+# rake publish
+desc "Move a post from _drafts to _posts"
+task :publish, :file do |t, args|
+  filename = args[:file].split("/").last
+  draft = "#{DRAFTS}/#{filename}"
+  puts "Publishing #{draft}"
+  if File.exists?(draft)
+    FileUtils.mv(draft, "#{POSTS}/#{DATE}-#{filename}")
+    puts "#{filename} was moved to '#{POSTS}'."
+  else
+    puts "No draft found"
+  end
+end
+
+def slugify (title)
+  # strip characters and whitespace to create valid filenames, also lowercase
+  return title.downcase.strip.gsub(' ', '-').gsub(/[^\w-]/, '')
+end
+
+# Create a new file with YAML front matter
+def create_file(directory, filename, title)
+  if File.exists?("#{directory}/#{filename}")
+    puts "The file already exists."
+  else
+    File.open("#{DRAFTS}/#{filename}", 'w') do |f|
+      f.puts "---"
+      f.puts "layout: post"
+      f.puts "title: \"#{title}\""
+      f.puts "tags: "
+      f.puts "---"
+    end
+    puts "#{filename} was created in '#{directory}'."
+  end
+end
+
 def jekyll(opts = '')
   sh 'rm -rf _site'
   sh 'jekyll ' + opts