#!/usr/bin/env ruby
# [RAILS_ENV=staging] bundle exec rails runner script/20200921_do_datasets_redis_report.rb
include ActionView::Helpers::NumberHelper

# header
puts "sync size\t\t datasets/total\t  username"
total_space_needed = 0
$users_metadata.keys("do:*:datasets").each do |k|
  begin
    username = k.split(':')[1]
    user = User.where(username: username).first
    extra_quota_needed = 0

    datasets = $users_metadata.hget(k, :bq)
    datasets = JSON.parse(datasets)

    user_datasets = []
    syncable_datasets = []
    datasets.map do |dataset|
      # Do not process already enriched datasets:
      if !(dataset['sync_status'].present?) then
        begin
          doss = Carto::DoSyncServiceFactory.get_for_user(user)
          entity_info = doss.entity_info(dataset['dataset_id'])
          num_bytes = entity_info['num_bytes'].to_i || 0
          if num_bytes <= 2147483648 then
            extra_quota_needed += num_bytes
            syncable_datasets << dataset
          end
          user_datasets << dataset
        rescue Google::Apis::ClientError => e
          # pass
        end
      end
    end
    total_space_needed += extra_quota_needed
    if !user_datasets.empty? then
      # printing user's report:
      puts "#{number_to_human_size(extra_quota_needed)}\t\t #{syncable_datasets.size}/#{user_datasets.size}\t\t #{username} "
    end
  rescue
    puts "** Error with #{username} **"
  end
end
puts "------\nTotal extra quota: #{number_to_human_size(total_space_needed)} (#{total_space_needed} bytes)"