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