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|
;;; irc.el --- Configuration for IRC chat -*- lexical-binding: t -*-
;; Author: William Carroll <wpcarro@gmail.com>
;;; Commentary:
;; Need to decide which client I will use for IRC.
;;; Code:
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Dependencies
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(require 'erc)
(require 'cycle)
(require 'string)
(require 'prelude)
(require 'alist)
(require 'set)
(require 'maybe)
(require 'macros)
(require 'password-store)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Configuration
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defconst irc/enable-tests? t
"When t, run the tests defined herein.")
(setq erc-rename-buffers t)
;; TODO: Find a way to avoid putting "freenode" and "#freenode" as channels
;; here. I'm doing it because when erc first connects, it's `(buffer-name)' is
;; "freenode", so when `irc/next-channel' is called, it 404s on the
;; `cycle/contains?' call in `irc/channel->cycle" unless "freenode" is there. To
;; make matters even uglier, when `erc-join-channel' is called with "freenode"
;; as the value, it connects to the "#freenode" channel, so unless "#freenode"
;; exists in this cycle also, `irc/next-channel' breaks again. This doesn't
;; pass my smell test.
(defconst irc/server->channels
`(("irc.freenode.net" . ,(cycle/new "freenode" "#freenode" "#nixos" "#emacs" "#pass"))
("irc.corp.google.com" . ,(cycle/new "#omg" "#london" "#panic" "#prod-team")))
"Mapping of IRC servers to a cycle of my preferred channels.")
;; TODO: Assert that no two servers have a channel with the same name. We need
;; this because that's the assumption that underpins the `irc/channel->server'
;; function. This will probably be an O(n^2) operation.
(prelude/assert
(set/distinct? (set/from-list
(cycle/to-list
(alist/get "irc.freenode.net"
irc/server->channels)))
(set/from-list
(cycle/to-list
(alist/get "irc.corp.google.com"
irc/server->channels)))))
(defun irc/channel->server (server->channels channel)
"Resolve an IRC server from a given CHANNEL."
(let ((result (alist/find (lambda (k v) (cycle/contains? channel v))
server->channels)))
(prelude/assert (maybe/some? result))
result))
(defun irc/channel->cycle (server->channels channel)
"Resolve an IRC's channels cycle from a given CHANNEL."
(alist/get (irc/channel->server server->channels channel)
server->channels))
;; Setting `erc-join-buffer' to 'bury prevents erc from stealing focus of the
;; current buffer when it connects to IRC servers.
(setq erc-join-buffer 'bury)
;; TODO: Here is another horrible hack that should be revisted.
(setq erc-autojoin-channels-alist
(->> irc/server->channels
(alist/map-values #'cycle/to-list)
(alist/map-keys (>> (s-chop-prefix "irc.")
(s-chop-suffix ".net")))))
(defcustom irc/install-kbds? t
"When t, install the keybindings defined herein.")
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Library
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defun irc/message (x)
"Print message X in a structured way."
(message (string/format "[irc.el] %s" x)))
;; TODO: Integrate Google setup with Freenode setup.
;; TODO: Support function or KBD for switching to an ERC buffer.
(defun irc/kill-all-erc-processes ()
"Kills all ERC buffers and processes."
(interactive)
(->> (erc-buffer-list)
(-map #'kill-buffer)))
(defun irc/switch-to-erc-buffer ()
"Switch to an ERC buffer."
(interactive)
(let ((buffers (erc-buffer-list)))
(if (list/empty? buffers)
(error "[irc.el] No ERC buffers available")
(switch-to-buffer (list/head (erc-buffer-list))))))
(defun irc/connect-to-freenode ()
"Connect to Freenode IRC."
(interactive)
(erc-ssl :server "irc.freenode.net"
:port 6697
:nick "wpcarro"
:password (password-store-get "programming/irc/freenode")
:full-name "William Carroll"))
;; TODO: Handle failed connections.
(defun irc/connect-to-google ()
"Connect to Google's Corp IRC using ERC."
(interactive)
(erc-ssl :server "irc.corp.google.com"
:port 6697
:nick "wpcarro"
:full-name "William Carroll"))
;; TODO: Prefer defining these with a less homespun solution. There is a
;; function call `erc-buffer-filter' that would be more appropriate for the
;; implementation of `irc/next-channel' and `irc/prev-channel'.
(defun irc/next-channel ()
"Join the next channel for the active server."
(interactive)
(with-current-buffer (current-buffer)
(let ((cycle (irc/channel->cycle irc/server->channels (buffer-name))))
(erc-join-channel
(cycle/next cycle))
(irc/message
(string/format "Current IRC channel: %s" (cycle/current cycle))))))
(defun irc/prev-channel ()
"Join the previous channel for the active server."
(interactive)
(with-current-buffer (current-buffer)
(let ((cycle (irc/channel->cycle irc/server->channels (buffer-name))))
(erc-join-channel
(cycle/prev cycle))
(irc/message
(string/format "Current IRC channel: %s" (cycle/current cycle))))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Keybindings
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(when irc/install-kbds?
(general-define-key
:keymaps 'erc-mode-map
"<C-tab>" #'irc/next-channel
"<C-S-iso-lefttab>" #'irc/prev-channel))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Tests
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(when irc/enable-tests?
(prelude/assert
(equal
(irc/channel->server `(("irc.dairy.com" . ,(cycle/new "#cheese" "#milk"))
("irc.color.com" . ,(cycle/new "#red" "#blue")))
"#cheese")
"irc.dairy.com")))
(provide 'irc)
;;; irc.el ends here
|
