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Mikubot-2/miku/plugins/currency.lua

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local currency = {}
local HTTPS = require('ssl.https')
local utilities = require('miku.utilities')
currency.command = 'cash [Menge] <von> <zu>'
function currency:init(config)
currency.triggers = {
"^/[Cc][Aa][Ss][Hh] ([A-Za-z]+)$",
"^/[Cc][Aa][Ss][Hh] ([A-Za-z]+) ([A-Za-z]+)$",
"^/[Cc][Aa][Ss][Hh] (%d+[%d%.,]*) ([A-Za-z]+) ([A-Za-z]+)$",
"^(/[Ee][Uu][Rr])$"
}
currency.doc = [[*
]]..config.cmd_pat..[[cash* _[Menge]_ _<von>_ _<zu>_
Beispiel: _]]..config.cmd_pat..[[cash 5 USD EUR_]]
end
function currency:action(msg, config)
if not matches[2] then
from = string.upper(matches[1])
to = 'EUR'
amount = 1
elseif matches[3] then
from = string.upper(matches[2])
to = string.upper(matches[3])
amount = matches[1]
else
from = string.upper(matches[1])
to = string.upper(matches[2])
amount = 1
end
local amount = string.gsub(amount, ",", ".")
amount = tonumber(amount)
local result = 1
local BASE_URL = 'https://www.google.com/finance/converter'
if from == to then
utilities.send_reply(self, msg, 'Jaja, sehr witzig...')
return
end
local url = BASE_URL..'?from='..from..'&to='..to..'&a='..amount
local str, res = HTTPS.request(url)
if res ~= 200 then
utilities.send_reply(self, msg, config.errors.connection)
return
end
local str = str:match('<span class=bld>(.*) %u+</span>')
if not str then
utilities.send_reply(self, msg, 'Keine gültige Währung - sieh dir die Währungsliste bei [Google Finanzen](https://www.google.com/finance/converter) an.', true)
return
end
local result = string.format('%.2f', str)
local result = string.gsub(result, "%.", ",")
local amount = tostring(string.gsub(amount, "%.", ","))
local output = amount..' '..from..' = *'..result..' '..to..'*'
utilities.send_reply(self, msg, output, true)
end
return currency