Permalink
Cannot retrieve contributors at this time
Fetching contributors…
Cannot retrieve contributors at this time
| # irc-bot-js-currency_conversion | |
| # ------------------------------ | |
| # Live currency conversion for irc-js-bot | |
| # This is an official plug-in | |
| # | |
| # Provides one bot command: '$' | |
| # Depends on the 'goo.gl' module | |
| 'use strict' | |
| util = require 'util' | |
| http = require 'http' | |
| shorten = require 'goo.gl' | |
| module.exports = -> | |
| @register_special_command | |
| name: '$' | |
| description: 'Perform currency conversion or retrieve exchange rate.' | |
| admin_only: false | |
| fn: (event, input_data, output_data) => | |
| api_key = @bot_options.plugin_options?['irc-js-bot-currency_conversion']?.api_key | |
| if not api_key | |
| @log.warning "#{@log.prefix} API key for plug-in « irc-js-bot-currency_conversion » not found" | |
| return | |
| if '?' in input_data.flags | |
| message = '$ <from> <to> [<amount>] • Perform currency conversion or retrieve exchange rate. If <amount> is not specified, shows exchange rate. <from> and <to> must be three-letter country codes.' | |
| else if not input_data.args | |
| message = "Insufficient arguments specified for currency conversion command; see #{input_data.trigger}$/? for details" | |
| else | |
| args_match = input_data.args.match /// | |
| ^ | |
| (\w{3}) # Three-letter country code #1 | |
| \s+ | |
| (\w{3}) # Three-letter country code #2 | |
| ( # Start amount group (optional) | |
| \s+ | |
| ([\d\.,]+) # Amount | |
| )? | |
| $ | |
| /// | |
| if not args_match | |
| message = "Invalid format specified for currency conversion command; see #{input_data.trigger}$/? for details" | |
| else | |
| from = do args_match[1].toUpperCase | |
| to = do args_match[2].toUpperCase | |
| amount = if args_match[4] then args_match[4].replace ',', '.' else '' | |
| await convert from, to, amount, api_key, defer err, result | |
| result = +result | |
| if err | |
| message = 'Oops, something went wrong!' | |
| if not amount | |
| message = "Current exchange rate #{from} → #{to} is #{result}" | |
| else | |
| message = "#{amount} #{from} is currently #{result} #{to}" | |
| @send output_data.method, output_data.recipient, message | |
| convert = (from, to, amount, api_key, cb) -> | |
| result = [] | |
| req = http.request | |
| hostname: 'www.exchangerate-api.com' | |
| path: "/#{from}/#{to}/#{amount}?k=#{api_key}" | |
| method: 'get' | |
| , (res) -> | |
| res.setEncoding 'utf-8' | |
| res.on 'data', (data) -> | |
| result.push data | |
| res.on 'end', -> | |
| result = result.join '' | |
| err = true if not result | |
| cb err, result | |
| req.on 'error', (err) -> | |
| cb err, null | |
| do req.end |