Little script to export photos from s3 with specific thumbnail, based on a json

export_photos.rb

#!/usr/bin/env ruby

require 'json'

base_url = 'project.s3.amazonaws.com'

# Example JSON
#{
#"data":
#	[
#		{
#			"id": 1234,
#			"asset_file_name": "95a4fe64c05bc47cec7f668bfe655fd0.png",
#			"asset_content_type": "image/png",
#			"asset_file_size": 49047,
#			"asset_updated_at": "2014-11-10 19:43:51",
#			"user_id": 123,
#			"original_file_name": "ne001.png"
#		},
#		...
#	]
#}

file = File.read('info_photos.json')
data_json = JSON.parse(file)


data_json['data'].each do |p|
	system "wget http://#{base_url}/asset_photos/#{p['id']}/android_tiny_mdpi/#{p['asset_file_name']}"
	system "mv #{p['asset_file_name']} #{p['original_file_name']}.1"
	system "wget http://#{base_url}/asset_photos/#{p['id']}/android_tiny_hdpi/#{p['asset_file_name']}"
	system "mv #{p['asset_file_name']} #{p['original_file_name']}.2"
	system "wget http://#{base_url}/asset_photos/#{p['id']}/android_mdpi/#{p['asset_file_name']}"
	system "mv #{p['asset_file_name']} #{p['original_file_name']}.3"
	system "wget http://#{base_url}/asset_photos/#{p['id']}/android_hdpi/#{p['asset_file_name']}"
	system "mv #{p['asset_file_name']} #{p['original_file_name']}.4"
end