Class: Guides::App

Inherits:
Object
  • Object
show all
Defined in:
lib/guides/preview.rb

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ App

Returns a new instance of App.



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# File 'lib/guides/preview.rb', line 5

def initialize(options = {})
  @production = !!options[:production]
  @local  = Rack::File.new(local_assets)
  @source = Rack::File.new(source_assets)
  @output = Rack::File.new(File.join(Guides.root, @production ? "output" : "staging"))
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/guides/preview.rb', line 24

def call(env)
  path = env["PATH_INFO"]

  case path
  when "/"
    env["PATH_INFO"] = "/index.html"
    return call(env)
  when /\/(.*)\.html$/
    name = $1
    generator = Guides::Generator.new({ :production => @production })

    source_file = Dir["#{source_templates}/#{name}.{#{Guides::Generator::EXTENSIONS.join(",")}}"].first

    unless source_file
      return [404, {"Content-Type" => "text/html"}, ["#{name} not found in #{source_templates}: #{Guides.root}"]]
    end

    source_base = File.basename(source_file)

    if generator.construction?(source_base) && @production
      return [404, {"Content-Type" => "text/html"}, ["#{name} is under construction and not available in production"]]
    end

    generator.send(:generate_guide, source_base, "#{name}.html")
    return @output.call(env)
  else
    source = @source.call(env)
    return source if source.first == 200
    return @local.call(env)
  end
end

#local_assets ⇒ Object 



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# File 'lib/guides/preview.rb', line 12

def local_assets
  File.expand_path("../templates/assets", __FILE__)
end

#source_assets ⇒ Object 



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# File 'lib/guides/preview.rb', line 16

def source_assets
  File.join(Guides.root, "assets")
end

#source_templates ⇒ Object 



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# File 'lib/guides/preview.rb', line 20

def source_templates
  File.join(Guides.root, "source")
end