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defmodule LSG.IRC.BoursoramaPlugin do
def irc_doc() do
"""
# bourses
Un peu comme [finance](#finance), mais en un peu mieux, et un peu moins bien.
Source: [boursorama.com](https://boursorama.com)
* **!caca40** affiche l'état du cac40
"""
end
def start_link() do
GenServer.start_link(__MODULE__, [], name: __MODULE__)
end
@cac40_url "https://www.boursorama.com/bourse/actions/palmares/france/?france_filter%5Bmarket%5D=1rPCAC&france_filter%5Bsector%5D=&france_filter%5Bvariation%5D=50002&france_filter%5Bperiod%5D=1&france_filter%5Bfilter%5D="
def init(_) do
regopts = [plugin: __MODULE__]
{:ok, _} = Registry.register(IRC.PubSub, "trigger:cac40", regopts)
{:ok, _} = Registry.register(IRC.PubSub, "trigger:caca40", regopts)
{:ok, nil}
end
def handle_info({:irc, :trigger, cac, m = %IRC.Message{trigger: %IRC.Trigger{type: :bang}}}, state) when cac in ["cac40", "caca40"] do
case HTTPoison.get(@cac40_url, [], []) do
{:ok, %HTTPoison.Response{status_code: 200, body: body}} ->
html = Floki.parse(body)
board = Floki.find(body, "div.c-tradingboard")
cac40 = Floki.find(board, ".c-tradingboard__main > .c-tradingboard__infos")
instrument = Floki.find(cac40, ".c-instrument")
last = Floki.find(instrument, "span[data-ist-last]")
|> Floki.text()
|> String.replace(" ", "")
variation = Floki.find(instrument, "span[data-ist-variation]")
|> Floki.text()
sign = case variation do
"-"<>_ -> "▼"
"+" -> "▲"
_ -> ""
end
m.replyfun.("caca40: #{sign} #{variation} #{last}")
{:error, %HTTPoison.Response{status_code: code}} ->
m.replyfun.("caca40: erreur http #{code}")
_ ->
m.replyfun.("caca40: erreur http")
end
end
end

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