Class: CarrierWave::PostgresqlTable::RackApp

Inherits:
Object
  • Object
show all
Defined in:
lib/carrierwave/postgresql_table/rack_app.rb

Constant Summary collapse

READ_CHUNK_SIZE = 
16384

Instance Method Summary collapse

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/carrierwave/postgresql_table/rack_app.rb', line 6

def call(env)
  request = Rack::Request.new(env)

  file = CarrierWave::Storage::PostgresqlTable::File.new(request.path.sub(/^\//, ""))

  headers = {
    "Last-Modified" => file.last_modified.httpdate,
    "Content-Type" => file.content_type,
    "Content-Disposition" => "inline",
  }

  if(request.params["download"] == "true")
    headers["Content-Disposition"] = "attachment; filename=#{file.filename}"
  end

  body = Enumerator.new do |response_body|
    while(chunk = file.read(READ_CHUNK_SIZE)) do
      response_body << chunk
    end
  end

  [200, headers, body]
end