Class: Takana::Middleware

Inherits:
Object
  • Object
show all
Defined in:
lib/rack-takana/middleware.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(app, options = {}) ⇒ Middleware

Returns a new instance of Middleware.



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# File 'lib/rack-takana/middleware.rb', line 10

def initialize(app, options={})
  @path = Dir.pwd.to_s
  @name = Pathname.new(@path).basename.to_s
  @app = app
  @kind, @paths = detect_kind!
  @debug = false
  @host = "localhost"
  @port = 48626

  if Takana.db

    if defined?(Rails)
      Rails.logger.debug "[Takana] #{@name} at #{@path} #{@kind} #{@paths}"
    end

    @project = Takana::Project[name: name] || Takana::Project.create(name: name, path: path, activated: false)

    @paths.each do |path|
      unless @project.load_paths.find { |_| _.path == path.to_s }.present? 
        @project.add_load_path(path: path.to_s, source: 'rack-takana')
      end

    end

    if defined?(Compass) && defined?(Rails) && Rails.application.config.compass.present?

      Rails.logger.debug "[Takana] detected compass. Attempting to load configuration"

      begin
        config = Rails.application.config.compass.serialize

        if config.present?
          attributes = {}

          Compass::Configuration::ATTRIBUTES.each do |k|
            attributes[k] = Rails.application.config.compass.send(k)
          end

          @project.compass_configs.each(&:delete)
          @project.add_compass_config(
            config: config,
            attributes: Marshal.dump(attributes)
          )
        end

        # tell projects to reload
        begin
          url = URI.parse("http://#{@host}:#{@port}/projects/load")
          req = Net::HTTP::Get.new(url.to_s)
          res = Net::HTTP.start(url.host, url.port) { |http| http.request(req) }
        rescue => e
          Rails.logger.debug "[Takana] project reload request failed, perhaps takana isn't running #{e.inspect}"
        end

      rescue => e
        Rails.logger.debug "[Takana] failed to load compass configuration"

      end
    end
  end
end

Instance Attribute Details

#app ⇒ Object (readonly)

Returns the value of attribute app.



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# File 'lib/rack-takana/middleware.rb', line 3

def app
  @app
end

#debug ⇒ Object Also known as: debug?

TODO allow this to be toggled from configure block



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# File 'lib/rack-takana/middleware.rb', line 6

def debug
  @debug
end

#host ⇒ Object (readonly)

Returns the value of attribute host.



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# File 'lib/rack-takana/middleware.rb', line 3

def host
  @host
end

#kind ⇒ Object (readonly)

Returns the value of attribute kind.



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# File 'lib/rack-takana/middleware.rb', line 3

def kind
  @kind
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/rack-takana/middleware.rb', line 3

def name
  @name
end

#path ⇒ Object (readonly)

Returns the value of attribute path.



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# File 'lib/rack-takana/middleware.rb', line 3

def path
  @path
end

#paths ⇒ Object (readonly)

Returns the value of attribute paths.



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# File 'lib/rack-takana/middleware.rb', line 3

def paths
  @paths
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/rack-takana/middleware.rb', line 72

def call(env)
  @env = env

  @status, @headers, @response = @app.call(env)
  
  if is_takana_compatible_response?
    update_response!
    update_content_length!
  end

  [@status, @headers, @response]
end