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;;;; Using irccat to send IRC notifications
(in-package :panettone.irc)
(defun get-irccat-config ()
"Reads the IRCCATHOST and IRCCATPORT environment variables, and returns them as two values if they both exist (otherwise, returns NIL)."
(destructuring-bind (host port)
(mapcar #'uiop:getenvp '("IRCCATHOST" "IRCCATPORT"))
(when (and host port)
(values host (parse-integer port)))))
(defun send-irc-notification (body &key channel)
"Sends BODY to the IRC channel CHANNEL (starting with #), if an IRCCat server is configured (using the IRCCATHOST and IRCCATPORT environment variables)
If CHANNEL is NIL, sends the BODY to the first channel configured in the IRCCat configuration.
May signal a condition if sending fails."
(multiple-value-bind (irchost ircport)
(get-irccat-config)
(when irchost
(let ((socket (socket-connect irchost ircport)))
(unwind-protect
(progn
(format (socket-stream socket) "~@[~A ~]~A~%" channel body)
(finish-output (socket-stream socket)))
(ignore-errors (socket-close socket)))))))
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