Contents

module CubaApi
  module Rack
    class Reloader

      def self.parse( basedir, baseconstant )
        Dir[ File.join( basedir, '**', '*.rb' ) ].each do |f| 
          last_modified = File.mtime( f ).to_f
          if ! File.directory?( f ) && last_modified > @max_last_modified.to_f
            @max_last_modified = last_modified
            yield f
          end
        end
      end
      
      def self.maybe_remove_constant( f, basedir, baseconstant )
        c = baseconstant
        cname = nil
        f.sub( /#{basedir}/, '' ).split( /\/|\./ ).each do |name|
          if name != 'rb'
            ( c = c.const_get( cname ) ) rescue nil
            cname = name.split('_').each { |a| a.capitalize! }.join.to_sym
          end
        end
        c.send( :remove_const, cname ) rescue nil
      end
      
      def self.doit( basedir, baseconstant )
        if @max_last_modified
          parse( basedir, baseconstant ) do |f|
            maybe_remove_constant( f, basedir, baseconstant )
            puts "[CubaAPI::Reloader] #{f}: #{load f}"
          end
        else
          parse( basedir, baseconstant ) {}
        end
      end
    end

    class ReloaderRack
      def initialize( app, basedir, baseconstant)
        @app = app
        @basedir = basedir
        @baseconstant = baseconstant
      end
      
      def call(env)
        Reloader.doit( @basedir, @baseconstant )
        status, headers, body = @app.call(env)
      end
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
cuba-api-0.6.3	lib/cuba_api/rack/reloader_rack.rb
cuba-api-0.6.2	lib/cuba_api/rack/reloader_rack.rb