bx.in.th API

bx.rb

#!/usr/bin/env ruby
# frozen_string_literal: true

require 'net/http'
require 'json'

unless ARGV.count == 0 || ARGV.count == 1
  puts "Usage #{$0} [--mappings]"
  exit
end

FILTER_KEYS = %w(1 21 26)
CURRENCY_SYMBOLS = { 'THB' => '฿', 'BTC' => '₿' }

bx_response = Net::HTTP.get_response(URI('https://bx.in.th/api/'))
data = JSON.parse(bx_response.body).sort_by { |k, _| k.to_i }.to_h

if ARGV[0] == '--mappings'
  data.each do |key, crypto|
    puts "#{key.rjust(2)}: #{crypto['primary_currency']}/#{crypto['secondary_currency']}"
  end
  exit 
end

cryptos = FILTER_KEYS.empty? ? data.keys : FILTER_KEYS

cryptos.each do |key| 
  crypto = data[key]
  symbol = CURRENCY_SYMBOLS.fetch(crypto['primary_currency'])
  puts "#{crypto['secondary_currency']}: #{symbol}#{crypto['last_price']}"
end