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defmodule LSG.IRC.CalcHandler do
@moduledoc """
# calc
* **!calc `<expression>`**: évalue l'expression mathématique `<expression>`.
"""
def irc_doc, do: @moduledoc
def start_link(client) do
GenServer.start_link(__MODULE__, [client])
end
def init([client]) do
ExIRC.Client.add_handler client, self
{:ok, client}
end
def handle_info({:received, "!calc "<>expr, %ExIRC.SenderInfo{nick: nick}, chan}, client) do
IO.inspect "HAZ CALC " <>inspect(expr)
result = try do
case Abacus.eval(expr) do
{:ok, result} -> result
error -> inspect(error)
end
rescue
error -> "#{error.message}"
end
ExIRC.Client.msg(client, :privmsg, chan, "#{nick}: #{expr} = #{result}")
{:noreply, client}
end
def handle_info(msg, client) do
{:noreply, client}
end
end
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