This repository has been archived on 2021-04-24. You can view files and clone it, but cannot push or open issues or pull requests.
Mikubot-2/miku/plugins/calc.lua

40 lines
843 B
Lua
Raw Normal View History

local calc = {}
local URL = require('socket.url')
local http = require('socket.http')
local utilities = require('miku.utilities')
calc.command = 'calc <Ausdruck>'
function calc:init(config)
calc.triggers = {
"^/[Cc][Aa][Ll][Cc] (.*)$"
}
calc.doc = [[*
]]..config.cmd_pat..[[calc* _[Ausdruck]_: Rechnet]]
end
function calc:mathjs(exp)
local exp = string.gsub(exp, ",", ".")
local url = 'http://api.mathjs.org/v1/'
url = url..'?expr='..URL.escape(exp)
local b,c = http.request(url)
local text = nil
if c == 200 then
text = '= '..string.gsub(b, "%.", ",")
elseif c == 400 then
text = b
else
text = 'Unerwarteter Fehler\n'
..'Ist api.mathjs.org erreichbar?'
end
return text
end
function calc:action(msg, config, matches)
utilities.send_reply(self, msg, calc:mathjs(matches[1]))
end
return calc