parse mm ranking json file.

parse_ranking_json.rb

require 'json'
require 'time'

user_name = 'simanman'
body = JSON.parse(File.read('ranking.json'))

submissions = body.select { |b| b['createdBy'] == user_name }
submissions.sort_by! { |sub| Time.parse(sub['submittedDate']) }

last_sub = submissions.last
last_sub['reviewSummation'][0]['metadata']['testScores'].each do |row|
  puts "seed: %12d, score: %8d" % [row['testcase'], row['score']]
end
puts last_sub['reviewSummation'][0]['aggregateScore']