62 lines
1.6 KiB
Lua
Executable File
62 lines
1.6 KiB
Lua
Executable File
local currency = {}
|
|
|
|
local HTTPS = require('ssl.https')
|
|
local utilities = require('otouto.utilities')
|
|
|
|
currency.command = 'cash [amount] <from> to <to>'
|
|
|
|
function currency:init(config)
|
|
currency.triggers = utilities.triggers(self.info.username, config.cmd_pat):t('cash', true).table
|
|
currency.doc = [[```
|
|
]]..config.cmd_pat..[[cash [amount] <from> to <to>
|
|
Example: ]]..config.cmd_pat..[[cash 5 USD to EUR
|
|
Returns exchange rates for various currencies.
|
|
Source: Google Finance.
|
|
```]]
|
|
end
|
|
|
|
function currency:action(msg, config)
|
|
|
|
local input = msg.text:upper()
|
|
if not input:match('%a%a%a TO %a%a%a') then
|
|
utilities.send_message(self, msg.chat.id, currency.doc, true, msg.message_id, true)
|
|
return
|
|
end
|
|
|
|
local from = input:match('(%a%a%a) TO')
|
|
local to = input:match('TO (%a%a%a)')
|
|
local amount = utilities.get_word(input, 2)
|
|
amount = tonumber(amount) or 1
|
|
local result = 1
|
|
|
|
local url = 'https://www.google.com/finance/converter'
|
|
|
|
if from ~= to then
|
|
|
|
url = 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
|
|
|
|
str = str:match('<span class=bld>(.*) %u+</span>')
|
|
if not str then
|
|
utilities.send_reply(self, msg, config.errors.results)
|
|
return
|
|
end
|
|
|
|
result = string.format('%.2f', str)
|
|
|
|
end
|
|
|
|
local output = amount .. ' ' .. from .. ' = ' .. result .. ' ' .. to .. '\n\n'
|
|
output = output .. os.date('!%F %T UTC') .. '\nSource: Google Finance`'
|
|
output = '```\n' .. output .. '\n```'
|
|
|
|
utilities.send_message(self, msg.chat.id, output, true, nil, true)
|
|
|
|
end
|
|
|
|
return currency
|