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, 181 insertions, 0 deletions

diff --git a/users/grfn/emacs.d/org-gcal.el b/users/grfn/emacs.d/org-gcal.el
new file mode 100644
index 0000000000..3e315c5e60
--- /dev/null
+++ b/users/grfn/emacs.d/org-gcal.el
@@ -0,0 +1,181 @@
+;;; -*- lexical-binding: t; -*-
+
+(require 'aio)
+(require 'parse-time)
+
+(setq-local lexical-binding t)
+(setq plstore-cache-passphrase-for-symmetric-encryption t)
+
+(defvar gcal-client-id)
+(defvar gcal-client-secret)
+
+(defvar google-calendar-readonly-scope
+  "https://www.googleapis.com/auth/calendar.readonly")
+
+(defvar events-file "/home/grfn/notes/events.org")
+
+(defun google--get-token (scope client-id client-secret)
+  (oauth2-auth-and-store
+   "https://accounts.google.com/o/oauth2/v2/auth"
+   "https://oauth2.googleapis.com/token"
+   scope
+   client-id
+   client-secret))
+
+(cl-defun google--request (url &key method params scope)
+  (let ((p (aio-promise))
+        (auth-token (google--get-token scope gcal-client-id gcal-client-secret)))
+    (oauth2-refresh-access auth-token)
+    (oauth2-url-retrieve
+     auth-token
+     url
+     (lambda (&rest _)
+       (goto-char (point-min))
+       (re-search-forward "^$")
+       (let ((resp (json-parse-buffer :object-type 'alist)))
+         (aio-resolve p (lambda () resp))))
+     nil
+     (or method "GET")
+     params)
+    p))
+
+(cl-defun list-events (&key min-time max-time)
+  (google--request
+   (concat
+    "https://www.googleapis.com/calendar/v3/calendars/griffin@urbint.com/events"
+    "?timeMin=" (format-time-string "%Y-%m-%dT%T%z" min-time)
+    "&timeMax=" (format-time-string "%Y-%m-%dT%T%z" max-time))
+   :scope google-calendar-readonly-scope))
+
+
+(defun last-week-events ()
+  (list-events :min-time (time-subtract
+                          (current-time)
+                          (seconds-to-time
+                           (* 60 60 24 7)))
+               :max-time (current-time)))
+
+(defun next-week-events ()
+  (list-events :min-time (current-time)
+               :max-time (time-add
+                          (current-time)
+                          (seconds-to-time
+                           (* 60 60 24 7)))))
+
+(defun attending-event? (event)
+  (let* ((attendees (append (alist-get 'attendees event) nil))
+         (self (--find (alist-get 'self it) attendees)))
+    (equal "accepted" (alist-get 'responseStatus self))))
+
+(defun event->org-headline (event level)
+  (cl-flet ((make-time
+             (key)
+             (when-let ((raw-time (->> event (alist-get key) (alist-get 'dateTime))))
+               (format-time-string
+                (org-time-stamp-format t)
+                (parse-iso8601-time-string raw-time)))))
+    (if-let ((start-time (make-time 'start))
+             (end-time (make-time 'end)))
+        (s-format
+         "${headline} [[${htmlLink}][${summary}]] :event:
+${startTime}--${endTime}
+:PROPERTIES:
+${location-prop}
+:EVENT: ${htmlLink}
+:END:
+
+${description}"
+         (function
+          (lambda (k m)
+            (or (alist-get (intern k) m)
+                (format "key not found: %s" k))))
+         (append
+          event
+          `((headline . ,(make-string level ?*))
+            (startTime . ,start-time)
+            (endTime . ,end-time)
+            (location-prop
+             . ,(if-let ((location (alist-get 'location event)))
+                    (s-lex-format ":LOCATION: ${location}")
+                  "")))))
+      "")))
+
+(comment
+ (alist-get 'foo nil)
+ )
+
+(defun write-events (events)
+  (with-current-buffer (find-file-noselect events-file)
+    (save-mark-and-excursion
+      (save-restriction
+        (widen)
+        (erase-buffer)
+        (goto-char (point-min))
+        (insert "#+TITLE: Events")
+        (newline) (newline)
+        (prog1
+            (loop for event in (append events nil)
+                  when (attending-event? event)
+                  do
+                  (insert (event->org-headline event 1))
+                  (newline)
+                  sum 1)
+          (org-align-tags t))))))
+
+(defun +grfn/sync-events ()
+  (interactive)
+  (let* ((events (alist-get 'items (aio-wait-for (next-week-events))))
+         (num-written (write-events events)))
+    (message "Successfully wrote %d events" num-written)))
+
+(comment
+ ((kind . "calendar#event")
+  (etag . "\"3174776941020000\"")
+  (id . "SNIP")
+  (status . "confirmed")
+  (htmlLink . "https://www.google.com/calendar/event?eid=SNIP")
+  (created . "2020-04-01T13:30:09.000Z")
+  (updated . "2020-04-20T13:14:30.510Z")
+  (summary . "SNIP")
+  (description . "SNIP")
+  (location . "SNIP")
+  (creator
+   (email . "griffin@urbint.com")
+   (self . t))
+  (organizer
+   (email . "griffin@urbint.com")
+   (self . t))
+  (start
+   (dateTime . "2020-04-01T12:00:00-04:00")
+   (timeZone . "America/New_York"))
+  (end
+   (dateTime . "2020-04-01T12:30:00-04:00")
+   (timeZone . "America/New_York"))
+  (recurrence .
+              ["RRULE:FREQ=WEEKLY;UNTIL=20200408T035959Z;BYDAY=WE"])
+  (iCalUID . "SNIP")
+  (sequence . 0)
+  (attendees .
+             [((email . "griffin@urbint.com")
+               (organizer . t)
+               (self . t)
+               (responseStatus . "accepted"))
+              ((email . "SNIP")
+               (displayName . "SNIP")
+               (responseStatus . "needsAction"))])
+  (extendedProperties
+   (private
+    (origRecurringId . "309q48kc1dihsvbi13pnlimb5a"))
+   (shared
+    (origRecurringId . "309q48kc1dihsvbi13pnlimb5a")))
+  (reminders
+   (useDefault . t)))
+
+ (require 'icalendar)
+
+ (icalendar--convert-recurring-to-diary
+  nil
+  "RRULE:FREQ=WEEKLY;UNTIL=20200408T035959Z;BYDAY=WE"
+  )
+
+ )