metaskills · October 18, 2025 19:40 · May 9, 2014 · May 9, 2014 · May 9, 2014 · Apr 21, 2014
diff --git a/blog_post.rb b/blog_post.rb
@@ -23,7 +23,7 @@ def directory
     private
 
     def all_slugs
-      @all_slugs ||= Dir.glob("#{directory}/*.md").map { |f| File.basename(f).sub(/\.md$/,'') }
+      @all_slugs ||= Dir.glob("#{directory}/*.md").map { |f| File.basename(f,'.md') }
     end
 
   end

diff --git a/site.html.haml b/site.html.haml
@@ -0,0 +1,7 @@
+# app/views/layouts/site.html.haml
+
+.container
+  = render partial: 'blog/header' if blog_post?
+  ~ yield :layout
+= render partial: 'blog/call_to_action' if blog_post?
+= render partial: 'blog/comments' if blog_post? && Rails.env.production?
diff --git a/blog_helper.rb b/blog_helper.rb
@@ -0,0 +1,9 @@
+# app/helpers/blog_helper.rb
+
+module BlogHelper
+
+  def blog_post?
+    controller_name == 'blog' && action_name == 'show'
+  end
+
+end
diff --git a/highlight.css b/highlight.css
@@ -0,0 +1,61 @@
+.highlight .hll { background-color: #ffffcc }
+.highlight .c { color: #999988; font-style: italic } /* Comment */
+.highlight .err { color: #a61717; background-color: #e3d2d2 } /* Error */
+.highlight .k { color: #000000; font-weight: bold } /* Keyword */
+.highlight .o { color: #000000; font-weight: bold } /* Operator */
+.highlight .cm { color: #999988; font-style: italic } /* Comment.Multiline */
+.highlight .cp { color: #999999; font-weight: bold; font-style: italic } /* Comment.Preproc */
+.highlight .c1 { color: #999988; font-style: italic } /* Comment.Single */
+.highlight .cs { color: #999999; font-weight: bold; font-style: italic } /* Comment.Special */
+.highlight .gd { color: #000000; background-color: #ffdddd } /* Generic.Deleted */
+.highlight .ge { color: #000000; font-style: italic } /* Generic.Emph */
+.highlight .gr { color: #aa0000 } /* Generic.Error */
+.highlight .gh { color: #999999 } /* Generic.Heading */
+.highlight .gi { color: #000000; background-color: #ddffdd } /* Generic.Inserted */
+.highlight .go { color: #888888 } /* Generic.Output */
+.highlight .gp { color: #555555 } /* Generic.Prompt */
+.highlight .gs { font-weight: bold } /* Generic.Strong */
+.highlight .gu { color: #aaaaaa } /* Generic.Subheading */
+.highlight .gt { color: #aa0000 } /* Generic.Traceback */
+.highlight .kc { color: #000000; font-weight: bold } /* Keyword.Constant */
+.highlight .kd { color: #000000; font-weight: bold } /* Keyword.Declaration */
+.highlight .kn { color: #000000; font-weight: bold } /* Keyword.Namespace */
+.highlight .kp { color: #000000; font-weight: bold } /* Keyword.Pseudo */
+.highlight .kr { color: #000000; font-weight: bold } /* Keyword.Reserved */
+.highlight .kt { color: #445588; font-weight: bold } /* Keyword.Type */
+.highlight .m { color: #009999 } /* Literal.Number */
+.highlight .s { color: #d01040 } /* Literal.String */
+.highlight .na { color: #008080 } /* Name.Attribute */
+.highlight .nb { color: #0086B3 } /* Name.Builtin */
+.highlight .nc { color: #445588; font-weight: bold } /* Name.Class */
+.highlight .no { color: #008080 } /* Name.Constant */
+.highlight .nd { color: #3c5d5d; font-weight: bold } /* Name.Decorator */
+.highlight .ni { color: #800080 } /* Name.Entity */
+.highlight .ne { color: #990000; font-weight: bold } /* Name.Exception */
+.highlight .nf { color: #990000; font-weight: bold } /* Name.Function */
+.highlight .nl { color: #990000; font-weight: bold } /* Name.Label */
+.highlight .nn { color: #555555 } /* Name.Namespace */
+.highlight .nt { color: #000080 } /* Name.Tag */
+.highlight .nv { color: #008080 } /* Name.Variable */
+.highlight .ow { color: #000000; font-weight: bold } /* Operator.Word */
+.highlight .w { color: #bbbbbb } /* Text.Whitespace */
+.highlight .mf { color: #009999 } /* Literal.Number.Float */
+.highlight .mh { color: #009999 } /* Literal.Number.Hex */
+.highlight .mi { color: #009999 } /* Literal.Number.Integer */
+.highlight .mo { color: #009999 } /* Literal.Number.Oct */
+.highlight .sb { color: #d01040 } /* Literal.String.Backtick */
+.highlight .sc { color: #d01040 } /* Literal.String.Char */
+.highlight .sd { color: #d01040 } /* Literal.String.Doc */
+.highlight .s2 { color: #d01040 } /* Literal.String.Double */
+.highlight .se { color: #d01040 } /* Literal.String.Escape */
+.highlight .sh { color: #d01040 } /* Literal.String.Heredoc */
+.highlight .si { color: #d01040 } /* Literal.String.Interpol */
+.highlight .sx { color: #d01040 } /* Literal.String.Other */
+.highlight .sr { color: #009926 } /* Literal.String.Regex */
+.highlight .s1 { color: #d01040 } /* Literal.String.Single */
+.highlight .ss { color: #990073 } /* Literal.String.Symbol */
+.highlight .bp { color: #999999 } /* Name.Builtin.Pseudo */
+.highlight .vc { color: #008080 } /* Name.Variable.Class */
+.highlight .vg { color: #008080 } /* Name.Variable.Global */
+.highlight .vi { color: #008080 } /* Name.Variable.Instance */
+.highlight .il { color: #009999 } /* Literal.Number.Integer.Long */
diff --git a/blog_post.rb b/blog_post.rb
@@ -64,11 +64,6 @@ def inspect
     "<#{self.class.name} date: #{date.iso8601}, title: #{title.inspect}, slug: #{slug.inspect}>"
   end
 
-  def == other
-    self.inspect == other.inspect
-  end
-  alias :eql? :==
-
   def <=> other
     other.date <=> date
   end

diff --git a/Gemfile b/Gemfile
@@ -1,4 +1,4 @@
-gem 'jekyll', '~> 2.0.0.alpha', github: 'jekyll/jekyll'
+gem 'jekyll', '~> 2.0.0.alpha'
 gem 'nokogiri'
 gem 'redcarpet'
 gem 'rouge'
diff --git a/blog_post.rb b/blog_post.rb
@@ -35,10 +35,7 @@ def initialize(slug)
   end
 
   def title
-    @data['title'] || slug.sub(/\d{4}-\d{2}-\d{2}-/, '').tap do |t|
-      t.replace t.titleize
-      t.sub! /Homemarks/, 'HomeMarks'
-    end
+    @data['title'] || slug.sub(/\d{4}-\d{2}-\d{2}-/, '').titleize
   end
 
   def date

diff --git a/blog_post.rb b/blog_post.rb
@@ -63,10 +63,6 @@ def path
     "/blog/#{slug}"
   end
 
-  def permalink
-    "/blog/#{slug}"
-  end
-
   def inspect
     "<#{self.class.name} date: #{date.iso8601}, title: #{title.inspect}, slug: #{slug.inspect}>"
   end

diff --git a/blog_post.rb b/blog_post.rb
@@ -16,10 +16,6 @@ def find(slug)
       all.detect { |post| post.slug == slug }
     end
 
-    def first
-      all.first
-    end
-
     def directory
       Rails.root.join 'app', 'views', 'blog'
     end

diff --git a/blog_post.rb b/blog_post.rb
@@ -20,10 +20,6 @@ def first
       all.first
     end
 
-    def exists?(slug)
-      all_slugs.include?(slug)
-    end
-
     def directory
       Rails.root.join 'app', 'views', 'blog'
     end

diff --git a/blog_controller.rb b/blog_controller.rb
@@ -1,7 +1,8 @@
 # In app/controllers/blog_controller.rb
 
 class BlogController < ApplicationController
-
+
+  layout 'site'
   before_filter :find_post, only: [:show]
 
   def index

diff --git a/blog_controller.rb b/blog_controller.rb
@@ -19,7 +19,7 @@ def show
 
   def find_post
     @post = BlogPost.find params[:id]
-    redirect_to root_path unless @post
+    redirect_to blog_index_path unless @post
   end
 
 end
diff --git a/Gemfile b/Gemfile
@@ -0,0 +1,4 @@
+gem 'jekyll', '~> 2.0.0.alpha', github: 'jekyll/jekyll'
+gem 'nokogiri'
+gem 'redcarpet'
+gem 'rouge'
diff --git a/blog.rake b/blog.rake
@@ -0,0 +1,18 @@
+# In lib/tasks/blog.rake
+
+namespace :blog do
+
+  desc "Generate a new blog post with a title. Ex: rake blog:post['My New Post']"
+  task :post, [:title] => [:environment] do |t, args|
+    date = Time.now.strftime("%G-%m-%d")
+    title = args[:title].to_s.strip
+    if title.blank?
+      fail 'Please supply a title.'
+    else
+      slug = title.split(' ').map{ |s| s.downcase }.join('-')
+      file = Rails.root.join 'app', 'views', 'blog', "#{date}-#{slug}.md"
+      File.open(file,'w') { |f| f.write("---\ntitle: #{title}\n---\n\n\n") }
+    end
+  end
+
+end
diff --git a/blog_controller.rb b/blog_controller.rb
@@ -0,0 +1,25 @@
+# In app/controllers/blog_controller.rb
+
+class BlogController < ApplicationController
+
+  before_filter :find_post, only: [:show]
+
+  def index
+    @posts = BlogPost.all
+  end
+
+  def show
+    if stale?(@post, public: true)
+      render text: @post.html, layout: 'site'
+    end
+  end
+
+
+  private
+
+  def find_post
+    @post = BlogPost.find params[:id]
+    redirect_to root_path unless @post
+  end
+
+end
diff --git a/blog_post.rb b/blog_post.rb
@@ -0,0 +1,141 @@
+# In app/models/blog_post.rb
+
+class BlogPost
+
+  include ActionView::Helpers::TextHelper
+
+  attr_reader :slug
+
+  class << self
+
+    def all
+      all_slugs.map{ |slug| new(slug) }.sort
+    end
+
+    def find(slug)
+      all.detect { |post| post.slug == slug }
+    end
+
+    def first
+      all.first
+    end
+
+    def exists?(slug)
+      all_slugs.include?(slug)
+    end
+
+    def directory
+      Rails.root.join 'app', 'views', 'blog'
+    end
+
+    private
+
+    def all_slugs
+      @all_slugs ||= Dir.glob("#{directory}/*.md").map { |f| File.basename(f).sub(/\.md$/,'') }
+    end
+
+  end
+
+  def initialize(slug)
+    @slug = slug
+    @data = {}
+    parse_file
+  end
+
+  def title
+    @data['title'] || slug.sub(/\d{4}-\d{2}-\d{2}-/, '').tap do |t|
+      t.replace t.titleize
+      t.sub! /Homemarks/, 'HomeMarks'
+    end
+  end
+
+  def date
+    Date.parse(slug)
+  end
+
+  def date_formatted
+    day_format = ActiveSupport::Inflector.ordinalize(date.day)
+    date.strftime "%B #{day_format}, %G"
+  end
+
+  def html
+    Rails.cache.fetch("#{cache_key}/html") { to_html }
+  end
+
+  def excerpt
+    first_ptag = Nokogiri::HTML(html).css('p:first').text.squish
+    truncate strip_tags(first_ptag), length: 200, separator: ' '
+  end
+
+  def path
+    "/blog/#{slug}"
+  end
+
+  def permalink
+    "/blog/#{slug}"
+  end
+
+  def inspect
+    "<#{self.class.name} date: #{date.iso8601}, title: #{title.inspect}, slug: #{slug.inspect}>"
+  end
+
+  def == other
+    self.inspect == other.inspect
+  end
+  alias :eql? :==
+
+  def <=> other
+    other.date <=> date
+  end
+
+  def updated_at
+    File.mtime(file_path)
+  end
+
+  def cache_key
+    ActiveSupport::Cache.expand_cache_key ['blog', slug, updated_at.to_i]
+  end
+
+
+  private
+
+  def parse_file
+    @markdown = Tilt::ErubisTemplate.new do
+      fdata = file_data
+      if fdata =~ /\A(---\s*\n.*?\n?)^(---\s*$\n?)/m
+        @data = SafeYAML.load($1)
+        $POSTMATCH
+      else
+        fdata
+      end
+    end.render(scope, post: self)
+  end
+
+  def file_path
+    self.class.directory.join "#{slug}.md"
+  end
+
+  def file_data
+    Rails.cache.fetch("#{cache_key}/markdown") { File.read(file_path) }
+  end
+
+  def markdown
+    @markdown
+  end
+
+  def to_html
+    Jekyll::Converters::Markdown::RedcarpetParser.new({
+      'highlighter' => 'rouge',
+      'redcarpet' => {
+        'extensions' => ["no_intra_emphasis", "fenced_code_blocks", "autolink", "strikethrough", "lax_spacing", "superscript", "with_toc_data"]
+      }
+    }).convert(markdown)
+  end
+
+  def scope
+    ApplicationController.helpers.clone.tap do |h|
+      h.singleton_class.send :include, Rails.application.routes.url_helpers
+    end
+  end
+
+end
diff --git a/routes.rb b/routes.rb
@@ -0,0 +1,3 @@
+# config/routes.rb
+
+resources :blog, only: [:index, :show]
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,3 @@
		# config/routes.rb

		resources :blog, only: [:index, :show]
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