Class: Common::Client::Middleware::Request::MultipartRequest

Inherits:
Faraday::Middleware
  • Object
show all
Includes:
Rack::Mime
Defined in:
lib/common/client/middleware/request/multipart_request.rb

Instance Method Summary collapse

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/common/client/middleware/request/multipart_request.rb', line 12

def call(env)
  return @app.call(env) unless env[:body].is_a?(Hash)

  io_keys = []

  env[:body].each do |key, value|
    env[:body][key] = io_object_for(key, value, io_keys)
  end

  if io_keys.any?
    env[:body].except(*io_keys.uniq).each do |key, value|
      env[:body][key] = make_io_for_body(key, value)
    end
  end

  @app.call(env)
end

#file_name(value) ⇒ Object (private) 



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# File 'lib/common/client/middleware/request/multipart_request.rb', line 55

def file_name(value)
  value.original_filename || value.path
end

#io_object_for(key, value, io_keys) ⇒ Object (private) 



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# File 'lib/common/client/middleware/request/multipart_request.rb', line 32

def io_object_for(key, value, io_keys)
  if value.respond_to?(:to_io)
    io_keys << key
    Faraday::UploadIO.new(
      value,
      mime_type(File.extname(value.path)),
      file_name(value)
    )
  elsif value.is_a?(Array)
    value.map { |each_value| io_object_for(key, each_value, io_keys) }
  else
    value
  end
end

#make_io_for_body(key, value) ⇒ Object (private) 



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# File 'lib/common/client/middleware/request/multipart_request.rb', line 47

def make_io_for_body(key, value)
  Faraday::UploadIO.new(
    StringIO.new(value.to_json),
    'application/json',
    key.to_s
  )
end