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Mikubot/plugins/rechner.lua
2015-11-12 17:42:03 +01:00

35 lines
787 B
Lua

-- Function reference: http://mathjs.org/docs/reference/functions/categorical.html
local function 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 = 'Ergebnis: '..string.gsub(b, "%.", "%,")
elseif c == 400 then
text = b
else
text = 'Unerwarteter Fehler\n'
..'Ist api.mathjs.org erreichbar?'
end
return text
end
local function run(msg, matches)
return mathjs(matches[1])
end
return {
description = "Rechnen mit der mathjs-API",
usage = {
"/calc [Ausdruck]: Rechnet",
"Weitere Hilfe: + = Plus, - = Minus, * = Mal, / = geteilt"
},
patterns = {
"^/calc (.*)$"
},
run = run
}