Class: Fir::PageRenderer

Inherits:
Object
  • Object
show all
Includes:
TemplateLoading
Defined in:
lib/fir/pages.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ PageRenderer

Returns a new instance of PageRenderer.



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# File 'lib/fir/pages.rb', line 36

def initialize
	@page_config = yaml_or_empty(File.join(FIR_ROOT, 'pages.yml'))
	@path_mappings = @page_config.inject({}) do |mappings, (page, configs)|
		mappings[configs['path']] = page if configs['path']
		mappings
	end
	@menus = yaml_or_empty(File.join(FIR_ROOT, 'menus.yml'))
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/fir/pages.rb', line 45

def call(env)
	status = 200
	content_type = 'text/html'
	body = ''
	path = ::Rack::Utils.unescape(env['PATH_INFO']).chomp('/').gsub(/^\//, '')
	path = Fir.sanitize_page(path) # path now looks like 'folder/page-name'
	if @path_mappings.has_key?(path)
		path = @path_mappings[path]
	end
	template_options = {:menus => @menus, :request => Rack::Request.new(env)}
	if directory?(path)
		# This is like Apache's DirectoryIndex: if the request is for
		# a directory, look for a page called "index" in that directory.
		path = File.join(path, 'index').gsub(/^\//, '') # path now looks like 'folder/index' or just 'index'
	end
	if template = load_template(path)
		body = template.render_with_layout(template_options.merge(:page_config => page_config(path)))
		if Fir.config.perform_caching
			cache_result(path, body)
		end
	elsif template = load_template('404')
		# Page not found. Render 404 template.
		status = 404
		body = template.render_with_layout(template_options)
	else
		# Page not found, and neither was the 404 template! Render a simple message.
		content_type = 'text/plain'
		status = 404
		body = 'Sorry, there is nothing at this address. (404 Not Found)'
	end
	[status, {'Content-Type' => content_type}, body ]
end