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Diffstat (limited to 'emacs/.emacs.d/wpc/irc.el')
| -rw-r--r-- | emacs/.emacs.d/wpc/irc.el | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/emacs/.emacs.d/wpc/irc.el b/emacs/.emacs.d/wpc/irc.el new file mode 100644 index 000000000000..b9a1e3131769 --- /dev/null +++ b/emacs/.emacs.d/wpc/irc.el @@ -0,0 +1,177 @@ +;;; 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)))))) + +(add-hook 'erc-mode-hook (disable auto-fill-mode)) +(add-hook 'erc-mode-hook (disable company-mode)) + +;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; +;; 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 |