require 'convert_api'

require 'tmpdir'

ConvertApi.configure do |config|

config.api_credentials = ENV['API_TOKEN'] # your api token

end

# Example of extracting first page from PDF and then chaining conversion PDF page to JPG.

# https://www.convertapi.com/pdf-to-extract

# https://www.convertapi.com/pdf-to-jpg

pdf_result = ConvertApi.convert(

'extract',

{File: 'files/test.pdf',

PageRange: 1}

)

jpg_result = ConvertApi.convert(

'jpg',

{File: pdf_result,

ScaleImage: true,

ScaleProportions: true,

ImageHeight: 300,

ImageWidth: 300}

)

saved_files = jpg_result.save_files(Dir.tmpdir)

puts "The thumbnail saved to #{saved_files}"