refactor(users/glittershark): Rename to grfn r/2485

Rename my //users directory and all places that refer to glittershark to
grfn, including nix references and documentation.

This may require some extra attention inside of gerrit's database after
it lands to allow me to actually push things.

Change-Id: I4728b7ec2c60024392c1c1fa6e0d4a59b3e266fa
Reviewed-on: https://cl.tvl.fyi/c/depot/+/2933
Tested-by: BuildkiteCI
Reviewed-by: tazjin <mail@tazj.in>
Reviewed-by: lukegb <lukegb@tvl.fyi>
Reviewed-by: glittershark <grfn@gws.fyi>

1 files changed, 188 insertions, 0 deletions

diff --git a/users/grfn/emacs.d/org-alerts.el b/users/grfn/emacs.d/org-alerts.el
new file mode 100644
index 0000000000..8e6c3e0417
--- /dev/null
+++ b/users/grfn/emacs.d/org-alerts.el
@@ -0,0 +1,188 @@
+;;; -*- lexical-binding: t; -*-
+
+;;; Commentary:
+
+;;; Code:
+
+(require 's)
+(require 'dash)
+(require 'alert)
+(require 'org-agenda)
+
+
+(defvar grfn/org-alert-interval 300
+  "Interval in seconds to recheck and display deadlines.")
+
+
+(defvar grfn/org-alert-notification-title "*org*"
+  "Title to be sent with notify-send.")
+
+(defvar grfn/org-alert-headline-regexp "\\(Sched.+:.+\\|Deadline:.+\\)"
+  "Regexp for headlines to search in agenda buffer.")
+
+(defun grfn/org-alert--strip-prefix (headline)
+  "Remove the scheduled/deadline prefix from HEADLINE."
+  (replace-regexp-in-string ".*:\s+" "" headline))
+
+
+(defun grfn/org-alert--unique-headlines (regexp agenda)
+  "Return unique headlines from the results of REGEXP in AGENDA."
+  (let ((matches (-distinct (-flatten (s-match-strings-all regexp agenda)))))
+    (--map (grfn/org-alert--strip-prefix it) matches)))
+
+
+(defun grfn/org-alert--get-headlines ()
+  "Return the current org agenda as text only."
+  (with-temp-buffer
+    (let ((org-agenda-sticky nil)
+          (org-agenda-buffer-tmp-name (buffer-name)))
+      (ignore-errors (org-agenda-list nil "TODAY" 1))
+      (grfn/org-alert--unique-headlines
+       grfn/org-alert-headline-regexp
+       (buffer-substring-no-properties (point-min) (point-max))))))
+
+(defun grfn/parse-range-string (str)
+  (when
+      (string-match (rx (group (repeat 2 (any digit))
+                               ":"
+                               (repeat 2 (any digit)))
+                        (optional
+                         (and
+                          "-"
+                          (group (repeat 2 (any digit))
+                                 ":"
+                                 (repeat 2 (any digit))))))
+                    str)
+    (list
+     (org-read-date nil t
+                    (match-string 1 str))
+     (when-let ((et (match-string 2 str))) (org-read-date nil t et)))))
+
+(defun grfn/start-time-from-range-string (str)
+  (pcase-let ((`(,start-time . _) (grfn/parse-range-string str)))
+    start-time))
+
+(comment
+ (org-agenda-list nil "TODAY" 1)
+
+ (grfn/org-alert--get-headlines)
+ (setq --src
+       (with-temp-buffer
+         (let ((org-agenda-sticky nil)
+               (org-agenda-buffer-tmp-name (buffer-name)))
+           (ignore-errors (org-agenda-list nil "TODAY" 1))
+           (buffer-substring-no-properties (point-min) (point-max)))))
+
+ (setq --entries
+       (with-temp-buffer
+         (let ((inhibit-redisplay t)
+               (org-agenda-sticky nil)
+               (org-agenda-buffer-tmp-name (buffer-name))
+               (org-agenda-buffer-name (buffer-name))
+               (org-agenda-buffer (current-buffer)))
+           (org-agenda-get-day-entries
+            (cadr (org-agenda-files nil 'ifmode))
+            (calendar-gregorian-from-absolute
+             (time-to-days (org-read-date nil t "TODAY")))))))
+
+ (loop for k in (text-properties-at 0 (car --entries))
+       by #'cddr
+       collect k)
+
+ (--map (substring-no-properties (get-text-property 0 'txt it)) --entries)
+ (--map (get-text-property 0 'time it) --entries)
+ (current-time)
+
+ (format-time-string "%R" (org-read-date nil t "10:00-11:00"))
+
+ (grfn/start-time-from-range-string "10:00")
+
+ (current-time-string (org-read-date nil t "10:00-11:00"))
+
+ (todo-state
+  org-habit-p
+  priority
+  warntime
+  ts-date
+  date
+  type
+  org-hd-marker
+  org-marker
+  face
+  undone-face
+  help-echo
+  mouse-face
+  done-face
+  org-complex-heading-regexp
+  org-todo-regexp
+  org-not-done-regexp
+  dotime
+  format
+  extra
+  time
+  level
+  txt
+  breadcrumbs
+  duration
+  time-of-day
+  org-lowest-priority
+  org-highest-priority
+  tags
+  org-category)
+
+ (propertize)
+
+ --src
+ )
+
+
+(defun grfn/org-alert--headline-complete? (headline)
+  "Return whether HEADLINE has been completed."
+  (--any? (s-starts-with? it headline) org-done-keywords-for-agenda))
+
+
+(defun grfn/org-alert--filter-active (deadlines)
+  "Remove any completed headings from the provided DEADLINES."
+  (-remove 'grfn/org-alert--headline-complete? deadlines))
+
+
+(defun grfn/org-alert--strip-states (deadlines)
+  "Remove the todo states from DEADLINES."
+  (--map (s-trim (s-chop-prefixes org-todo-keywords-for-agenda it)) deadlines))
+
+
+(defun grfn/org-alert-check ()
+  "Check for active, due deadlines and initiate notifications."
+  (interactive)
+  ;; avoid interrupting current command.
+  (unless (minibufferp)
+    (save-window-excursion
+      (save-excursion
+        (save-restriction
+          (let ((active (grfn/org-alert--filter-active (grfn/org-alert--get-headlines))))
+            (dolist (dl (grfn/org-alert--strip-states active))
+              (alert dl :title grfn/org-alert-notification-title))))))
+    (when (get-buffer org-agenda-buffer-name)
+      (ignore-errors
+        (with-current-buffer org-agenda-buffer-name
+          (org-agenda-redo t))))))
+
+
+(defun grfn/org-alert-enable ()
+  "Enable the notification timer.  Cancels existing timer if running."
+  (interactive)
+  (grfn/org-alert-disable)
+  (run-at-time 0 grfn/org-alert-interval 'grfn/org-alert-check))
+
+
+(defun grfn/org-alert-disable ()
+  "Cancel the running notification timer."
+  (interactive)
+  (dolist (timer timer-list)
+    (if (eq (elt timer 5) 'grfn/org-alert-check)
+        (cancel-timer timer))))
+
+
+
+(provide 'grfn/org-alert)
+;;; grfn/org-alert.el ends here