Class: DicomPackage::Middleware

Inherits:
Object
  • Object
show all
Defined in:
lib/dicom-package/middleware.rb

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ Middleware

Returns a new instance of Middleware.



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# File 'lib/dicom-package/middleware.rb', line 5

def initialize(app)
  @app = app
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/dicom-package/middleware.rb', line 9

def call(env)
  if env['CONTENT_TYPE'] =~ /^multipart\/related.*type\="application\/dicom"/ni
    request = Rack::Request.new(env)

    files = env['rack.request.form_hash'].keys.each_with_object({}).with_index(1) do |(param, memo), index|
      memo[param] = {
        type: 'application/dicom',
        filename: (filename = '%s.dcm' % index),
        tempfile: temporary_file(filename, env['rack.request.form_hash'][param])
      }

      request.delete_param(param)
    end

    request.update_param :files, files
  end

  @app.call(env)
end