Class: Usmu::Ui::RackServer

Inherits:
Object
  • Object
show all
Defined in:
lib/usmu/ui/rack_server.rb

Instance Method Summary collapse

Constructor Details

#initialize(configuration) ⇒ RackServer

Returns a new instance of RackServer.



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# File 'lib/usmu/ui/rack_server.rb', line 7

def initialize(configuration)
  @log = Logging.logger[self]
  @log.debug 'Loading environment variables.'
  ::Dotenv.load
  @configuration = configuration
  @index = configuration['serve', 'index', default: 'index.html']

  config_filename = File.basename(@configuration.config_file)
  config_listen = ::Listen.to(@configuration.config_dir, only: %r{#{::Regexp.escape config_filename}$}) do |modified, added, removed|
    @log.info 'Usmu configuration changed, updating...'
    @configuration = Usmu::Configuration.from_file(@configuration.config_file)
  end
  config_listen.start
end

Instance Method Details

#call(env) ⇒ void 



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# File 'lib/usmu/ui/rack_server.rb', line 22

def call(env)
  generator = @configuration.generator

  path = env['PATH_INFO'][1...env['PATH_INFO'].length]
  @log.info "Received a request for: #{path}"
  path = File.join(path, @index) if File.directory? File.join(@configuration.source_path, path)
  path = path[1...path.length] if path[0] == '/'
  @log.info "Serving: #{path}"

  valid = generator.renderables.select {|r| r.output_filename == path }

  if valid.length > 0
    generator.refresh
    page = valid[0]
    type = case page.output_filename[page.output_filename.rindex('.')...page.output_filename.length]
             when '.html', '.php'
               'text/html'
             when '.css'
               'text/css'
             when '.js'
               'text/javascript'
             else
               'text/plain'
           end

    ['200', {'Content-Type' => type}, [page.render]]
  else
    ['404', {'Content-Type' => 'text/html'}, ['<!DOCTYPE html><h1>File not found.</h1>']]
  end
end

#shutdown ⇒ void 



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# File 'lib/usmu/ui/rack_server.rb', line 53

def shutdown
end