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#!/usr/bin/ruby
require 'net/http'
require 'json'
VERSION = "2.3.0"
BINARY_NAME = "units"
begin
def get_crypto_price(currency_name, convert_name)
api_key = "55c16465-a562-4e8e-8631-416bbfd7ed82"
uri = URI("https://pro-api.coinmarketcap.com/v1/tools/price-conversion?symbol=" + currency_name + "&convert=" + convert_name + "&amount=1" )
response = Net::HTTP.start(uri.host, uri.port, use_ssl: true) do |http|
request = Net::HTTP::Get.new(uri)
request["X-CMC_PRO_API_KEY"] = api_key
request["Accept"] = "application/json"
http.request(request)
end
result = JSON.parse(response.body)
if result["status"]["error_code"] == 0
price = result["data"]["quote"][convert_name.upcase]["price"]
if !price
return "Error: Incompatible units. Can't convert " + currency_name + " to " + convert_name
end
else
return "Error: " + result["status"]["error_message"]
end
return price.to_s
end
args = ARGV.dup
if args.empty?
input = STDIN.gets
else
input = ""
args.each do |arg|
if input != ""
input = input + " " + arg.dup
else
input = arg.dup
end
end
end
input.strip!
if input == "-v" or input == "--version"
puts "blaconvert v"+VERSION
exit
end
mid = 0
from = ""
to = ""
num = 0
words = input.split(" ")
for i in 0..words.length-1
if words[i] == "in" or words[i] == "to"
mid = i
end
end
if words.length == 3 && mid == 0
num = Float(words[0])
from = words[1]
to = words[2]
elsif words.length == 2 && mid == 0
num = 1
from = words[0]
to = words[1]
elsif words.length == 3 && mid == 1
num = 1
from = words[0]
to = words[2]
elsif mid > 0
for i in 1..mid-1
from += words[i]
end
for i in mid+1..words.length-1
to += words[i]
end
num = Float(words[0])
else
puts "Invalid input! Try !convert [amount] [from-unit] to [to-unit] e.g !convert 2 cm to inches"
exit
end
if from.upcase == "F" && to.upcase == "C"
temp = (num - 32) / 1.8
puts "#{num} F = #{temp} C"
elsif from.upcase == "C" && to.upcase == "F"
temp = (num * 1.8) + 32
puts "#{num} C = #{temp} F"
else
out = %x(#{BINARY_NAME} -t1 #{from} #{to})
outs = out.split(" ")
if outs[0] == "Unknown"
from.upcase!
out = %x(#{BINARY_NAME} -t1 #{from} #{to})
outs = out.split(" ")
if outs[0] == "Unknown"
to.upcase!
out = %x(#{BINARY_NAME} -t1 #{from} #{to})
outs = out.split(" ")
if outs[0] == "Unknown"
out = "Error: " + out
units_failed = true
elsif outs[0] == "conformability"
out = "Error: Incompatible units. Can't convert from #{from} to #{to}"
units_failed = true
end
elsif outs[0] == "conformability"
out = "Error: Incompatible units. Can't convert from #{from} to #{to}"
units_failed = true
end
elsif outs[0] == "conformability"
out = "Error: Incompatible units. Can't convert from #{from} to #{to}"
units_failed = true
end
if units_failed
units_error = out
out = get_crypto_price(from, to)
if out.split(" ")[0] == "Error:"
reverse_out = get_crypto_price(to, from)
if reverse_out.split(" ")[0] == "Error:"
if units_error.split(" ")[1] == "Incompatible"
puts units_error
else
puts out
end
exit
else
out = 1/Float(reverse_out)
end
end
end
puts "#{num} #{from} = #{num * Float(out)} #{to}"
end
end
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