Class: NwmlsClient::Image

Inherits:
Object
  • Object
show all
Defined in:
lib/nwmls_client/image.rb

Constant Summary collapse

IMAGE_SCHEMA = 
'NWMLS:EverNet:ImageData:1.0'

Instance Method Summary collapse

Constructor Details

#initialize(config, image_destination = nil) ⇒ Image

Returns a new instance of Image.



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# File 'lib/nwmls_client/image.rb', line 10

def initialize(config, image_destination = nil)
  @listing_number = nil
  @image_destination = image_destination
  raise "Configuration data is required for authentication" if config.nil?
  @user_id = config.fetch("user_id")
  @password = config.fetch("password")      
end

Instance Method Details

#retrieve_images(listing_number) ⇒ Object 



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# File 'lib/nwmls_client/image.rb', line 18

def retrieve_images(listing_number)

  @listing_number = listing_number

  request = { 'query' => build_request()}

  @client = create_client()
  response = @client.call(:retrieve_images, message: request)

  cdata = response.body[:retrieve_images_response][:retrieve_images_result] 
  nori_options = { :convert_tags_to => lambda { |tag| tag.snakecase.to_sym } }
  result = Nori.new(nori_options).parse(cdata)

  images_data = result[:results][:images]

  raise "No images found:\n#{result}" if images_data.nil?

  if @image_destination.nil?
    image_folder = File.join(Dir.pwd, "images")
    if not Dir.exist?(image_folder)
      Dir.mkdir(image_folder)
    end

    dirpath = File.join(Dir.pwd, "images/#{@listing_number}")
    if not Dir.exist?(dirpath)
      Dir.mkdir(dirpath)
    end
  else
    dirpath = File.join(@image_destination, "/#{@listing_number}")
    if not Dir.exist?(dirpath)
      Dir.mkdir(dirpath)
    end
  end

  image_data = images_data[:image]
  if image_data.is_a?(Array)
    image_data.each do |image|

      filename = File.join(dirpath, "#{@listing_number}_#{image[:image_order]}.jpg")
      File.open(filename, 'wb') do |f|
        f.write(Base64.decode64(image[:blob]))
      end
    end
  else
    image = image_data

    begin
      filename = File.join(dirpath, "#{@listing_number}_#{image[:image_order]}.jpg")
      File.open(filename, 'wb') do |f|
        f.write(Base64.decode64(image[:blob]))
      end          
    rescue Exception => e
      puts "Image retrieval error:  #{e.message}"
    end 
  end

end