module BLZ

Constants

DATA_FILE

Public Class Methods

convert_file_to_date(f) click to toggle source

# File lib/blz.rb, line 13
def self.convert_file_to_date(f)
  match = f.match(/(?<y>\d{4})_(?<m>\d\d)_(?<d>\d\d)\.tsv\.gz$/)
  Date.new match[:y].to_i, match[:m].to_i, match[:d].to_i
end

find_data_file(now=Date.today) click to toggle source

# File lib/blz.rb, line 18
def self.find_data_file(now=Date.today)
  glob = Dir[ File.join(File.dirname(__FILE__), '../data/*.tsv.gz') ].sort
  file = glob.find {|c| now <= convert_file_to_date(c) } || glob.last

  # sanity check
  if now < Date.new(2016, 3, 6) || now > (convert_file_to_date(file) + 90)
    warn [now]
    warn '[BLZ] The data provided may not be accurate.'
  end

  file
end