save_img

require 'open-uri' 
def all_product
     products = Product.all
     products.each do |product|
       id = product.id
       image_path = product.image.path.split('/')
       image_name = image_path[4]
       save_img(image_name, id)
     end
 end
  
   def save_img(image_name, id_product)
     open('thumb_' + "#{image_name}", 'wb') do |file|
       file << open('https://geschenkeheld-community.s3.amazonaws.com/uploads/product/image/' + "#{id_product}" + '/' + "#{image_name}").read
     end
   end