Class: Attacheable::PhotoHandler

Inherits:
Mongrel::HttpHandler
  • Object
show all
Defined in:
lib/attacheable/photo_handler.rb

Instance Method Summary collapse

Constructor Details

#initialize(prefix, options) ⇒ PhotoHandler

Returns a new instance of PhotoHandler.



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# File 'lib/attacheable/photo_handler.rb', line 3

def initialize(prefix, options)
  @prefix = prefix
  @class_name = options[:class_name]
end

Instance Method Details

#klass ⇒ Object 



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# File 'lib/attacheable/photo_handler.rb', line 12

def klass
  @class_name.constantize
end

#logger ⇒ Object 



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# File 'lib/attacheable/photo_handler.rb', line 8

def logger
  ActiveRecord::Base.logger
end

#process(request, response) ⇒ Object 



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# File 'lib/attacheable/photo_handler.rb', line 16

def process(request, response)
  if File.exists?(Attacheable.root+"/public#{@prefix}/#{request.params["PATH_INFO"]}")
    response.start(200) do |headers, out|
      headers["Content-Type"] = "image/jpeg"
      out.write(File.read(Attacheable.root+"/public#{@prefix}/#{request.params["PATH_INFO"]}"))
    end
    return
  end

  start_time = Time.now
  photo, data = klass.data_by_path_info(request.params["PATH_INFO"].split("/"))
  if photo
    response.start(200) do |headers, out|
      headers["Content-Type"] = photo.content_type
      out.write(data)
    end
  else
    response.start(404) do |headers, out|
      headers["Content-Type"] = "text/plain"
      out.write("No such image\n")
    end
  end
  logger.info "Processed request in #{Time.now - start_time} seconds\n  URI: #{request.params["REQUEST_URI"]}\n\n"
rescue Exception => e
  logger.info "!! Internal server error\nURI: #{request.params["REQUEST_URI"]}\n#{e}\n#{e.backtrace.join("\n")}"
  logger.flush
  response.start(200) do |headers, out|
    headers["Content-Type"] = "text/plain"
    out.write("Some error on server\n")
  end
end