;;; emacsconf.el --- Core functions and variables for EmacsConf -*- lexical-binding: t; -*-
;; Copyright (C) 2021 Sacha Chua
;; Author: Sacha Chua <sacha@sachachua.com>
;; Keywords: multimedia
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;;
;;; Code:
(defgroup emacsconf nil "EmacsConf" :group 'multimedia)
(defcustom emacsconf-name "EmacsConf"
"Name of conference"
:group 'emacsconf
:type 'string)
(defcustom emacsconf-year "2022"
"Conference year. String for easy inclusion."
:group 'emacsconf
:type 'string)
(defcustom emacsconf-directory "~/vendor/emacsconf-wiki"
"Directory where the wiki files are."
:group 'emacsconf
:type 'directory)
(defcustom emacsconf-ansible-directory nil
"Directory where the Ansible repository is."
:group 'emacsconf
:type 'directory)
(defcustom emacsconf-timezone "US/Eastern" "Main timezone."
:group 'emacsconf
:type 'string)
(defcustom emacsconf-timezones '("US/Eastern" "US/Central" "US/Mountain" "US/Pacific" "UTC" "Europe/Paris" "Europe/Athens" "Asia/Kolkata" "Asia/Singapore" "Asia/Tokyo") "List of timezones."
:group 'emacsconf
:type '(repeat string))
(defcustom emacsconf-base-url "https://emacsconf.org/" "Includes trailing slash"
:group 'emacsconf
:type 'string)
(defcustom emacsconf-publishing-phase 'program
"Controls what information to include.
'program - don't include times
'schedule - include times; use this leading up to the emacsconference
'resources - after EmacsConf, don't need status"
:group 'emacsconf
:type '(choice
(const :tag "Program: Don't include times" program)
(const :tag "Schedule: Include detailed times" schedule)
(const :tag "Resources: Don't include status" resources)))
(defcustom emacsconf-org-file nil
"Path to the Org file with emacsconference information."
:type 'file
:group 'emacsconf)
(defcustom emacsconf-upcoming-file nil
"Path to the Org file with upcoming talks."
:type 'file
:group 'emacsconf)
(defvar emacsconf-stream-base "https://live0.emacsconf.org/emacsconf/")
(defvar emacsconf-chat-base "https://chat.emacsconf.org/")
(defvar emacsconf-backstage-dir "/ssh:media:/var/www/media.emacsconf.org/2022/backstage")
(defvar emacsconf-upload-dir "/ssh:media:/srv/upload")
(defvar emacsconf-res-dir "/ssh:res:~/current")
(defun emacsconf-upload-dired ()
(interactive)
(dired emacsconf-upload-dir "-tl"))
(defun emacsconf-backstage-dired ()
(interactive)
(dired emacsconf-backstage-dir "-tl"))
(defun emacsconf-res-dired ()
(interactive)
(dired emacsconf-res-dir "-tl"))
(defun emacsconf-cache-dired ()
(interactive)
(dired emacsconf-cache-dir "-tl"))
(defun emacsconf-slugify (s)
(replace-regexp-in-string " +" "-" (replace-regexp-in-string "[^a-z0-9 ]" "" (downcase s))))
(defun emacsconf-video-slug (talk)
(concat "emacsconf-" emacsconf-year "-" (plist-get talk :slug) "--"
(emacsconf-slugify (plist-get talk :title))
(if (plist-get talk :speakers)
(concat"--"
(emacsconf-slugify (plist-get talk :speakers)))
"")))
(defun emacsconf-set-video-slug-if-needed (o)
(interactive (list (emacsconf-complete-talk-info)))
(unless (plist-get o :video-slug)
(let ((video-slug
(read-string "Set video slug: " (emacsconf-video-slug o))))
(save-window-excursion
(emacsconf-with-talk-heading (plist-get o :slug)
(org-entry-put (point) "VIDEO_SLUG" video-slug)))
(plist-put o :video-slug video-slug)))
(plist-get o :video-slug))
(defun emacsconf-set-video-slugs ()
(interactive)
(org-map-entries
(lambda ()
(org-entry-put (point) "VIDEO_SLUG" (emacsconf-video-slug (emacsconf-get-talk-info-for-subtree))))
"SLUG={.}-VIDEO_SLUG={.}"))
(defun emacsconf-upload-to-backstage ()
(interactive)
(copy-file (buffer-file-name) (expand-file-name (file-name-nondirectory (buffer-file-name))
emacsconf-backstage-dir)
t))
(defun emacsconf-get-srv2-and-upload-to-backstage (talk)
(interactive (list (emacsconf-complete-talk-info (seq-filter (lambda (o) (plist-get o :youtube-url)) (emacsconf-get-talk-info)))))
(let ((filename (make-temp-file nil nil "srv2"))
(buf (get-buffer-create "*test*")))
(when (plist-get talk :youtube-url)
(call-process "yt-dlp" nil buf t "--write-sub" "--write-auto-sub" "--no-warnings" "--sub-lang" "en" "--skip-download" "--sub-format" "srv2" "-o" filename
(plist-get talk :youtube-url))
(with-current-buffer (find-file-noselect (concat filename ".en.srv2"))
(emacsconf-upload-to-backstage-and-rename talk "main--srt")))))
(defun emacsconf-upload-to-backstage-and-rename (talk filename)
(interactive (let ((talk (emacsconf-complete-talk-info))
(base (file-name-base (buffer-file-name))))
(list
talk
(if (and (not current-prefix-arg)
(string-match (concat "^" (regexp-quote (plist-get talk :video-slug)) "--\\([a-z]+\\)")
base))
(match-string 1 base)
(read-string (format "Filename (%s): " base)
nil nil
base)))))
(copy-file (buffer-file-name)
(expand-file-name (concat (plist-get talk :video-slug)
"--"
filename
"."
(file-name-extension (buffer-file-name)))
emacsconf-backstage-dir)
t))
(defun emacsconf-upload-copy-from-json (talk key filename)
(interactive (let-alist (json-parse-string (buffer-string) :object-type 'alist)
(list (emacsconf-complete-talk-info)
.metadata.key
(read-string (format "Filename (%s): "
(file-name-base .metadata.name))
nil nil
(file-name-base .metadata.name)))))
(let ((new-filename (concat (plist-get talk :video-slug)
(if (string= filename "")
filename
(concat "--" filename))
"."
(let-alist (json-parse-string (buffer-string) :object-type 'alist)
(file-name-extension .metadata.name)))))
(copy-file key
(expand-file-name new-filename
emacsconf-backstage-dir) t)
(copy-file key (expand-file-name new-filename emacsconf-cache-dir))
(unless (file-directory-p (expand-file-name (plist-get talk :slug) emacsconf-res-dir))
(make-directory (expand-file-name (plist-get talk :slug) emacsconf-res-dir)))
(copy-file (expand-file-name new-filename emacsconf-cache-dir) (expand-file-name new-filename (expand-file-name (plist-get talk :slug) emacsconf-res-dir)))))
(defcustom emacsconf-download-directory "~/Downloads"
"Directory to check for downloaded files."
:type 'directory
:group 'emacsconf)
(defun emacsconf-latest-file (path &optional filter)
"Return the newest file in PATH. Optionally filter by FILTER."
(car (sort (seq-remove #'file-directory-p (directory-files path 'full filter t)) #'file-newer-than-file-p)))
(defun emacsconf-find-captions-from-slug (search)
(interactive (list (emacsconf-complete-talk)))
(emacsconf-with-talk-heading search (emacsconf-find-captions)))
(defun emacsconf-edit-wiki-page (search)
(interactive (list (emacsconf-complete-talk)))
(setq search (emacsconf-get-slug-from-string search))
(find-file (expand-file-name (concat search ".md")
(expand-file-name "talks" (expand-file-name emacsconf-year emacsconf-directory)))))
(defun emacsconf-find-caption-directives-from-slug (search)
(interactive (list (emacsconf-complete-talk)))
(setq search (emacsconf-get-slug-from-string search))
(find-file (expand-file-name (concat search ".md")
(expand-file-name "captions" (expand-file-name emacsconf-year emacsconf-directory)))))
(defun emacsconf-browse-wiki-page (search)
(interactive (list (emacsconf-complete-talk)))
(setq search (emacsconf-get-slug-from-string search))
(browse-url (concat emacsconf-base-url emacsconf-year "/talks/" search "/")))
(defun emacsconf-set-property-from-slug (search prop value)
(interactive (list (emacsconf-complete-talk) nil nil))
(save-window-excursion
(emacsconf-with-talk-heading search
(setq prop (or prop (org-read-property-name)))
(setq value (or value (org-read-property-value prop)))
(org-entry-put (point) prop value))))
(defun emacsconf-complete-slug ()
(emacsconf-get-slug-from-string (emacsconf-complete-talk)))
(defun emacsconf-export-slug (link description format _)
(let ((path (format "https://emacsconf.org/%s/talks/%s" emacsconf-year link))
(desc (or description link)))
(pcase format
(`html
(format "<a href=\"#%s\">%s</a>" link desc))
(`ascii (format "%s (%s)" desc path))
(`markdown
(format "[[%s|%s/talks/%s]]" desc emacsconf-year link))
(_ path))))
(with-eval-after-load 'org
(org-link-set-parameters
"emacsconf"
:follow #'emacsconf-go-to-talk
:complete (lambda () (concat "emacsconf:" (emacsconf-complete-slug)))
:export #'emacsconf-export-slug))
(defun emacsconf-complete-talk (&optional info)
(let ((choices
(mapcar (lambda (o)
(string-join
(delq nil
(mapcar (lambda (f) (plist-get o f)) '(:slug :title :speakers :irc)))
" - "))
(or info (emacsconf-get-talk-info)))))
(completing-read
"Talk: "
(lambda (string predicate action)
(if (eq action 'metadata)
'(metadata (category . emacsconf))
(complete-with-action action choices string predicate))))))
(defun emacsconf-complete-talk-info (&optional info)
(emacsconf-search-talk-info (emacsconf-complete-talk info) info))
(defun emacsconf-get-slug-from-string (search)
(if (listp search) (setq search (car search)))
(if (and search (string-match "\\(.*?\\) - " search))
(match-string 1 search)
search))
(defun emacsconf-go-to-talk (search)
(interactive (list (emacsconf-complete-talk)))
(pop-to-buffer (find-file-noselect emacsconf-org-file))
(widen)
(cond
((plist-get search :slug)
(goto-char (org-find-property "SLUG" (plist-get search :slug))))
((emacsconf-get-slug-from-string search)
(goto-char (org-find-property "SLUG" (emacsconf-get-slug-from-string search))))
(t
(goto-char
(catch 'found
(org-map-entries
(lambda ()
(when (string-match search
(cons
(concat (org-entry-get (point) "SLUG") " - "
(org-entry-get (point) "ITEM") " - "
(org-entry-get (point) "NAME") " - "
(org-entry-get (point) "EMAIL"))
(point)))
(throw 'found (point))))
"SLUG={.}")))))
(org-reveal))
(defmacro emacsconf-for-each-talk (&rest body)
(declare (indent 0) (debug t))
`(org-map-entries (lambda () ,@body) "SLUG={.}"))
(defmacro emacsconf-with-talk-heading (search &rest body)
(declare (indent 1) (debug t))
`(progn
(emacsconf-go-to-talk ,search)
,@body))
(defvar emacsconf-status-types
'(("WAITING_FOR_PREREC" . "Waiting for video from speaker")
("TO_PROCESS" . "Processing uploaded video")
("TO_AUTOCAP" . "Processing uploaded video")
("TO_ASSIGN" . "Waiting for a caption volunteer")
("TO_CAPTION" . "Processing uploaded video")
("TO_STREAM" . "Talk captioned")
("PLAYING" . "Now playing on the conference livestream")
("CLOSED_Q" . "Q&A starting (not yet open for joining)")
("OPEN_Q" . "Q&A open for participation")
("UNSTREAMED_Q" . "Q&A continues off the stream")
("TO_ARCHIVE" . "Q&A finished, IRC and pad will be archived on this page")
("TO_EXTRACT" . "Q&A to be extracted from the room recordings")
("DONE" . "All done")
("CANCELLED" . "Talk cancelled")))
(defun emacsconf-get-talk-categories (o)
(org-narrow-to-subtree)
(let (list)
(while (re-search-forward "Category[^ \t\n]+" nil t)
(setq list (cons (match-string-no-properties 0) list)))
(plist-put o :categories (reverse list))))
(defun emacsconf-get-talk-info-from-properties (o)
(let ((heading (org-heading-components))
(field-props '(
;; Initial creation
(:title "ITEM")
(:track "TRACK")
(:slug "SLUG")
(:speakers "NAME")
(:speakers-short "NAME_SHORT")
(:email "EMAIL")
(:public-email "PUBLIC_EMAIL")
(:emergency "EMERGENCY")
(:buffer "BUFFER")
(:duration "TIME")
(:min-time "MIN_TIME")
(:max-time "MAX_TIME")
(:availability "AVAILABILITY")
(:q-and-a "Q_AND_A")
(:timezone "TIMEZONE")
(:irc "IRC")
(:pronunciation "PRONUNCIATION")
(:pronouns "PRONOUNS")
;; Scheduling
(:scheduled "SCHEDULED")
(:time "TIME")
(:fixed-time "FIXED_TIME")
;; Coordination
(:prerec-info "PREREC_INFO")
;; Prep
(:bbb-room "ROOM")
;; Processing
(:video-slug "VIDEO_SLUG")
(:video-file "VIDEO_FILE")
(:video-time "VIDEO_TIME")
(:video-file-size "VIDEO_FILE_SIZE")
(:video-duration "VIDEO_DURATION")
(:youtube-url "YOUTUBE_URL")
(:toobnix-url "TOOBNIX_URL")
;; Captioning
(:captioner "CAPTIONER")
(:caption-note "CAPTION_NOTE")
(:intro-note "INTRO_NOTE")
;; Conference
(:check-in "CHECK_IN")
(:public "PUBLIC")
;; Extraction
(:qa-youtube "QA_YOUTUBE")
(:qa-toobnix "QA_TOOBNIX")
;; Old
(:alternate-apac "ALTERNATE_APAC")
(:extra-live-time "EXTRA_LIVE_TIME")
(:present "PRESENT")
(:talk-id "TALK_ID") ; use slug instead
(:qa-public "QA_PUBLIC") ; now tracked by the OPEN_Q and UNSTREAMED_Q status
(:uuid "UUID") ; Pentabarf export
)))
(apply
'append
o
(list
:point (point)
:year emacsconf-year
:conf-year emacsconf-year
:type (if (org-entry-get (point) "SLUG") 'talk 'headline)
:status (elt heading 2)
:level (car heading)
:url (concat emacsconf-year "/talks/" (org-entry-get (point) "SLUG"))
:schedule-group (org-entry-get-with-inheritance "SCHEDULE_GROUP")
:wiki-file-path
(expand-file-name
(concat (org-entry-get (point) "SLUG") ".md")
(expand-file-name "captions" (expand-file-name emacsconf-year emacsconf-directory)))
:start-time
(when (org-entry-get (point) "SCHEDULED")
(date-to-time
(concat
(format-time-string "%Y-%m-%dT%H:%M:%S"
(org-timestamp-to-time
(org-timestamp-split-range
(org-timestamp-from-string
(org-entry-get (point) "SCHEDULED")))))
emacsconf-timezone-offset)))
:end-time (when (org-entry-get (point) "SCHEDULED")
(date-to-time
(concat
(format-time-string "%Y-%m-%dT%H:%M:%S"
(org-timestamp-to-time
(org-timestamp-split-range
(org-timestamp-from-string
(org-entry-get (point) "SCHEDULED"))
t)))
emacsconf-timezone-offset))))
(let* ((entry-props (org-entry-properties)))
(mapcar
(lambda (o) (list (car o) (assoc-default (cadr o) entry-props)))
field-props)))))
(defvar emacsconf-abstract-heading-regexp "abstract" "Regexp matching heading for talk abstract.")
(defun emacsconf-get-subtree-entry (heading-regexp)
(car
(delq nil
(org-map-entries
(lambda ()
(when (string-match heading-regexp (org-entry-get (point) "ITEM"))
(org-get-entry)))
nil 'tree))))
(defun emacsconf-get-talk-abstract-from-subtree (o)
"Add the abstract from a subheading with a title matching Abstract."
(plist-put o :abstract (substring-no-properties (or (emacsconf-get-subtree-entry "abstract") ""))))
(defun emacsconf-get-talk-comments-from-subtree (o)
(setq o (plist-put o :comments
(apply 'append
(org-map-entries
(lambda ()
(org-end-of-meta-data)
(mapcar (lambda (item)
(string-trim
(replace-regexp-in-string
" *\n *"
" "
(buffer-substring-no-properties (+ (car item) (length (elt item 2)))
(min (point-max) (elt item 6))))))
(org-element-property :structure (org-element-at-point)))
)
"ITEM={comments}" 'tree))))
(plist-put o :acceptance-comment
(car (delq nil (mapcar
(lambda (o)
(when (string-match "For the [^ ]+ speakers?: " o)
(replace-match "" t t o)))
(plist-get o :comments))))))
(defun emacsconf-convert-talk-abstract-to-markdown (o)
(plist-put o :abstract-md (org-export-string-as (or (plist-get o :abstract) "") 'md t)))
(defun emacsconf-summarize-times (time timezones)
(let (prev-day)
(mapconcat
(lambda (tz)
(let ((cur-day (format-time-string "%a %b %-e" time tz))
(cur-time (format-time-string "%H%MH %Z" time tz)))
(if (equal prev-day cur-day)
cur-time
(setq prev-day cur-day)
(concat cur-day " " cur-time))))
timezones
" / ")))
(defun emacsconf-add-timezone-conversions (o)
(plist-put o :scheduled-tzs
(concat (org-timestamp-format (plist-get o :start-time) "%a %b %e %l:%M%p Toronto time (")
(emacsconf-summarize-times (plist-get o :start-time) emacsconf-timezones)
")")))
(defun emacsconf-get-abstract-from-wiki (o)
(plist-put o :markdown (emacsconf-talk-markdown-from-wiki (plist-get o :slug))))
(defun emacsconf-add-talk-status (o)
(plist-put o :status-label
(or (assoc-default (plist-get o :status)
emacsconf-status-types 'string= "")
(plist-get o :status)))
(if (member (plist-get o :status)
(split-string "PLAYING CLOSED_Q OPEN_Q UNSTREAMED_Q TO_ARCHIVE TO_EXTRACT TO_FOLLOW_UP"))
(plist-put o :public t))
o)
(defun emacsconf-test-public-states ()
(let ((states (split-string (replace-regexp-in-string "(.*?)" "" "TODO(t) TO_REVIEW TO_ACCEPT TO_CONFIRM WAITING_FOR_PREREC(w) TO_PROCESS(p) TO_AUTOCAP(y) TO_ASSIGN(a) TO_CAPTION(c) TO_STREAM(s) PLAYING(m) CLOSED_Q(q) OPEN_Q(o) UNSTREAMED_Q(u) TO_ARCHIVE TO_EXTRACT TO_FOLLOW_UP"))))
(mapc (lambda (state) (assert (null (plist-get (emacsconf-add-talk-status
(list :status state))
:public))))
(subseq states
0
(seq-position
states "PLAYING")))
(mapc (lambda (state) (assert (plist-get (emacsconf-add-talk-status (list
:status
state))
:public)))
(subseq states (seq-position
states "PLAYING")))))
(defvar emacsconf-talk-info-functions
'(emacsconf-get-talk-info-from-properties
emacsconf-get-talk-categories
emacsconf-get-talk-abstract-from-subtree
emacsconf-add-talk-status
emacsconf-add-timezone-conversions
emacsconf-add-live-info))
(defun emacsconf-add-live-info (o)
(let ((track (emacsconf-get-track (plist-get o :track))))
(when track
(plist-put o :watch-url (concat emacsconf-base-url emacsconf-year "/watch/" (plist-get track :id))))
(plist-put o :channel (plist-get track :channel))
(plist-put o :webchat-url (concat emacsconf-chat-base "?join=emacsconf," (plist-get track :channel)))
(cond
((string-match "live" (or (plist-get o :q-and-a) ""))
(plist-put o :bbb-redirect (format "https://emacsconf.org/current/%s/room/" (plist-get o :slug)))
(plist-put o :qa-info (plist-get o :bbb-redirect))
(plist-put o :qa-link (format "<a href=\"%s\">live</a>" (plist-get o :bbb-redirect))))
((string-match "IRC" (or (plist-get o :q-and-a) ""))
(plist-put o :qa-info (concat (emacsconf-surround "nick: " (plist-get o :irc) ", " "")
(plist-get o :channel)))
(plist-put o :qa-link (format "<a href=\"%s\">%s</a>" (plist-get o :webchat-url) (plist-get o :qa-info))))
(t (plist-put o :qa-info "none")
(plist-put o :qa-link "none")))
(plist-put o :pad-url (format "https://pad.emacsconf.org/%s-%s" emacsconf-year (plist-get o :slug)))
o))
(defun emacsconf-search-talk-info (search &optional info)
(setq info (or info (emacsconf-get-talk-info)))
(or
(seq-find (lambda (o) (string= (plist-get o :slug)
(emacsconf-get-slug-from-string search)))
info)
(seq-find (lambda (o)
(string-match
search
(format "%s - %s - %s - %s"
(plist-get o :slug)
(plist-get o :title)
(plist-get o :speakers)
(plist-get o :email))))
info)))
(defun emacsconf-get-talk-info-for-subtree ()
(seq-reduce (lambda (prev val) (save-excursion (save-restriction (funcall val prev))))
emacsconf-talk-info-functions
nil))
(defun emacsconf-sort-by-scheduled (a b)
(let ((time-a (plist-get a :start-time))
(time-b (plist-get b :start-time)))
(cond
((null time-b) t)
((null time-a) nil)
((time-less-p time-a time-b) t)
((time-less-p time-b time-a) nil)
(t (< (or (plist-get a :point) 0) (or (plist-get b :point) 0))))))
(defun emacsconf-get-talk-info ()
(with-current-buffer (find-file-noselect emacsconf-org-file)
(save-excursion
(save-restriction
(widen)
(let (results)
(org-map-entries
(lambda ()
(when (or (org-entry-get (point) "TIME")
(org-entry-get (point) "SLUG")
(org-entry-get (point) "INCLUDE_IN_INFO"))
(setq results
(cons (emacsconf-get-talk-info-for-subtree)
results)))))
(nreverse results))))))
(defun emacsconf-filter-talks (list)
"Return only talk info in LIST."
(seq-filter
(lambda (talk) (eq (plist-get talk :type) 'talk))
list))
(defun emacsconf-collect-field-for-status (status field &optional info)
(seq-map
(lambda (o)
(plist-get o field))
(seq-filter
(lambda (o)
(if (listp status)
(member (plist-get o :status) status)
(string= status (plist-get o :status))))
(emacsconf-filter-talks (or info (emacsconf-get-talk-info))))))
(defun emacsconf-get-talk-info-from-file (&optional filename)
(with-temp-buffer
(insert-file-contents (or filename "conf.org"))
(org-mode)
(org-show-all)
(goto-char (point-min))
(goto-char (org-find-property "ID" "talks"))
(emacsconf-get-talk-info 'wiki)))
(defun emacsconf-include-next-talks (info number)
(let* ((info (sort (emacsconf-active-talks (emacsconf-filter-talks (or info (emacsconf-get-talk-info))))
#'emacsconf-sort-by-scheduled))
(cur-list info))
;; add links to the next talks
(while cur-list
(plist-put (pop cur-list) :next-talks (seq-take cur-list number)))
info))
(defun emacsconf-find-talk-info (filter &optional info)
(setq info (or info (emacsconf-filter-talks (emacsconf-get-talk-info))))
(when (stringp filter) (setq filter (list filter)))
(or (seq-find (lambda (o) (string= (plist-get o :slug) (car filter))) info)
(seq-find (lambda (o)
(let ((case-fold-search t)
(all (mapconcat (lambda (f) (plist-get o f)) '(:title :speakers :slug) " ")))
(null (seq-contains-p
(mapcar (lambda (condition) (string-match condition all)) filter)
nil))))
info)))
(defun emacsconf-combine-plist (list-of-talks separator)
(let (result entry)
(while list-of-talks
(setq entry (car list-of-talks))
(while entry
(unless (equal (plist-get result (car entry))
(cadr entry))
(setq result
(plist-put result
(car entry)
(cons (cadr entry)
(or (plist-get result (car entry)))))))
(setq entry (cddr entry)))
(setq list-of-talks (cdr list-of-talks)))
result))
(defun emacsconf-goto-talk-id (id)
(goto-char (org-find-property "TALK_ID" id)))
(defun emacsconf-goto-slug (slug)
(goto-char (org-find-property "SLUG" id)))
(defun emacsconf-talk-markdown-from-wiki (slug)
"Return the markdown from SLUG."
(when (file-exists-p (expand-file-name (format "%s/talks/%s.md" emacsconf-year slug) emacsconf-directory))
(with-temp-buffer
(insert-file-contents (expand-file-name (format "%s/talks/%s.md" emacsconf-year slug) emacsconf-directory))
(goto-char (point-min))
(while (re-search-forward "<!--" nil t)
(let ((start (match-beginning 0)))
(when (re-search-forward "-->" nil t)
(delete-region start (match-end 0)))))
(goto-char (point-min))
(while (re-search-forward "\\[\\[![^]]+\\]\\]" nil t)
(replace-match ""))
(string-trim (buffer-string)))))
(defun emacsconf-replace-plist-in-string (attrs string)
"Replace ${keyword} from ATTRS in STRING."
(let ((a attrs) name val)
(while a
(setq name (pop a) val (pop a))
(when (stringp val)
(setq string
(replace-regexp-in-string (regexp-quote (concat "${" (substring (symbol-name name) 1) "}"))
(or val "")
string t t))))
string))
(defun emacsconf-public-talks (info)
(seq-filter (lambda (f) (plist-get f :public)) info))
(defun emacsconf-format-short-time (string &optional omit-end-time)
(if (stringp string) (setq string (org-timestamp-from-string string)))
(downcase
(concat (format-time-string "~%l:%M%p"
(org-timestamp-to-time
(org-timestamp-split-range
string)))
(if omit-end-time ""
(format-time-string "-%l:%M%p"
(org-timestamp-to-time
(org-timestamp-split-range
string t)))))))
(defvar emacsconf-focus 'time "'time or 'status")
;;; Embark
(defun emacsconf-embark-finder ()
(when (and (derived-mode-p 'org-mode)
(org-entry-get-with-inheritance "SLUG"))
(cons 'emacsconf (org-entry-get-with-inheritance "SLUG"))))
(defun emacsconf-insert-talk-title (search)
(interactive (list (emacsconf-complete-talk)))
(insert (plist-get (emacsconf-search-talk-info search) :title)))
(with-eval-after-load 'embark
(add-to-list 'embark-target-finders 'emacsconf-embark-finder)
(embark-define-keymap embark-emacsconf-actions
"Keymap for emacsconference-related things"
("a" emacsconf-announce)
("c" emacsconf-find-captions-from-slug)
("d" emacsconf-find-caption-directives-from-slug)
("p" emacsconf-set-property-from-slug)
("w" emacsconf-edit-wiki-page)
("s" emacsconf-set-start-time-for-slug)
("W" emacsconf-browse-wiki-page)
("u" emacsconf-update-talk)
("it" emacsconf-insert-talk-title)
("m" emacsconf-mail-speaker-from-slug)
("n" emacsconf-notmuch-search-mail-from-entry)
("f" org-forward-heading-same-level)
("b" org-backward-heading-same-level)
("RET" emacsconf-go-to-talk))
(add-to-list 'embark-keymap-alist '(emacsconf . embark-emacsconf-actions)))
;;; Status updates
(defun emacsconf-status-update ()
(interactive)
(let ((emacsconf-info (emacsconf-get-talk-info)))
(kill-new
(format "%d captioned (%d minutes), %d received and waiting to be captioned (%d minutes)"
(length (emacsconf-collect-field-for-status "CAPTIONED" :title))
(apply '+ (seq-map 'string-to-number (conf-collect-field-for-status "CAPTIONED" :duration)))
(length (emacsconf-collect-field-for-status "PREREC_RECEIVED" :title))
(apply '+ (seq-map 'string-to-number (conf-collect-field-for-status "PREREC_RECEIVED" :duration)))))))
;; Timezones
(defvar emacsconf-date "2022-12-03" "Starting date of EmacsConf.")
(defvar emacsconf-timezone-offset
(format-time-string "%z" (date-to-time emacsconf-date) emacsconf-timezone)
"Timezone offset for `emacsconf-timezone' on `emacsconf-date'.")
(defun emacsconf-timezone-string (o tz)
(let* ((timestamp (org-timestamp-from-string (plist-get o :scheduled)))
(start (org-timestamp-to-time (org-timestamp-split-range timestamp)))
(end (org-timestamp-to-time (org-timestamp-split-range timestamp t))))
(if (string= tz "UTC")
(format "%s - %s "
(format-time-string "%A, %b %-e %Y, ~%-l:%M %p"
start tz)
(format-time-string "%-l:%M %p %Z"
end tz))
(format "%s - %s (%s)"
(format-time-string "%A, %b %-e %Y, ~%-l:%M %p"
start tz)
(format-time-string "%-l:%M %p %Z"
end tz)
tz))))
(defun emacsconf-timezone-strings (o &optional timezones)
(mapcar (lambda (tz) (emacsconf-timezone-string o tz)) (or timezones emacsconf-timezones)))
(defun emacsconf-convert-from-timezone (timezone time)
(interactive (list (completing-read "From zone: " tzc-time-zones)
(read-string "Time: ")))
(let* ((from-offset (format-time-string "%z" (date-to-time emacsconf-date) timezone))
(time
(date-to-time
(concat emacsconf-date "T" (string-pad time 5 ?0 t) ":00.000"
from-offset))))
(message "%s = %s"
(format-time-string
"%b %d %H:%M %z"
time
timezone)
(format-time-string
"%b %d %H:%M %z"
time
emacsconf-timezone))))
;;; Etherpad
(defvar emacsconf-review-comments-heading "Comments")
(defun emacsconf-import-comments-from-etherpad-text (filename)
(interactive "FEtherpad text export: ")
(with-temp-buffer
(insert-file-contents filename)
(goto-char (point-min))
(while (re-search-forward "^[\t ]+Comments for \\([^:]+\\)" nil t)
(let ((slug (match-string 1))
comments)
(forward-line 1)
(setq comments
(split-string
(replace-regexp-in-string
"\t\t\\*[ \t]*"
""
(buffer-substring-no-properties
(point)
(if (re-search-forward "^[^\t]" nil t)
(match-beginning 0)
(point-max))))
"\n"))
(save-window-excursion
(emacsconf-with-talk-heading slug
;; Do we already have a heading for comments?
(if (re-search-forward (concat "^\\(\\*+\\) +" emacsconf-review-comments-heading)
(save-excursion (org-end-of-subtree)) t)
(org-end-of-meta-data)
(org-end-of-subtree)
(org-insert-heading-after-current)
(insert emacsconf-review-comments-heading "\n"))
;; Are these comments already included?
(save-restriction
(org-narrow-to-subtree)
(mapc (lambda (o)
(goto-char (point-min))
(unless (re-search-forward (regexp-quote o) nil t)
(goto-char (point-max))
(unless (bolp) (insert "\n"))
(insert "- " o "\n")))
comments))))))))
;;; Validation
(defun emacsconf-validate-all-talks-have-comments-for-speakers ()
(interactive)
(emacsconf-for-each-talk
(unless (re-search-forward "^\\(- \\)?For \\(the \\)?[^ ]+ speaker" (save-excursion (org-end-of-subtree) (point)) t)
(error "Could not find comment for %s" (org-entry-get (point) "SLUG"))))
nil)
(defun emacsconf-validate-all-talks-have-field (field)
(emacsconf-for-each-talk
(when (string= (or (org-entry-get (point) field) "") "")
(error "%s is missing %s" (org-entry-get (point) "SLUG") field)))
nil)
(defvar emacsconf-time-constraints
'(("saturday morning break" "10:00" "11:30")
("saturday lunch" "11:30" "13:30")
("saturday closing remarks" "16:30" "17:30")
("sunday morning break" "10:00" "11:30")
("sunday lunch" "11:30" "13:30")
("sunday closing remarks" "16:30" "17:30")))
(defun emacsconf-validate-no-overlaps (&optional info)
(let (results))
(while (cdr info)
(when (and (plist-get (car info) :slug)
(time-less-p (plist-get (cadr info) :start-time) (plist-get (car info) :end-time)))
(setq results (cons "%s overlaps with %s (ends %s, starts %s)"
(or (plist-get (car info) :slug)
(plist-get (car info) :title))
(or (plist-get (cadr info) :slug)
(plist-get (cadr info) :title))
(format-time-string "%H:%M" (plist-get (car info) :end-time))
(format-time-string "%H:%M" (plist-get (cadr info) :start-time)))))
(setq info (cdr info))))
(defun emacsconf-active-talks (list)
"Remove CANCELLED talks from the list."
(seq-remove (lambda (o) (string= (plist-get o :status) "CANCELLED")) list))
(defun emacsconf-validate-talk-subtree ()
"Report an error if required properties are missing."
(interactive)
(let* ((props (org-entry-properties))
(missing (seq-remove
(lambda (o) (assoc-default (symbol-name o) props))
'(CUSTOM_ID SLUG NAME NAME_SHORT EMAIL AVAILABILITY Q_AND_A TRACK MAX_TIME))))
(when missing
(if (called-interactively-p 'any)
(message "Missing %s" (mapconcat #'symbol-name missing ", "))
(format "Missing %s" (mapconcat #'symbol-name missing ", "))))))
;;; Ansible support
(defun emacsconf-ansible-export-talks ()
(interactive)
(when emacsconf-ansible-directory
(with-temp-file (expand-file-name "talks.json" emacsconf-ansible-directory)
(insert (json-encode (list :talks
(mapcar (lambda (o)
(apply 'list
(cons :start-time (format-time-string "%FT%T%z" (plist-get o :start-time) t))
(cons :end-time (format-time-string "%FT%T%z" (plist-get o :end-time) t))
(mapcar (lambda (field)
(cons field (plist-get o field)))
'(:slug :title :speakers :pronouns :pronunciation :url :track :video-slug)))
)
(emacsconf-filter-talks (emacsconf-get-talk-info)))))))))
(defun emacsconf-ansible-load-vars (file)
(interactive (list (read-file-name "File: " emacsconf-ansible-directory)))
(with-temp-buffer
(insert-file-contents file)
(let ((vars
(yaml-parse-string (buffer-string))))
(mapc (lambda (var)
(set (car var) (gethash (cdr var) vars))
)
'((emacsconf-pad-api-key . etherpad_api_key)
(emacsconf-pad-base . etherpad_url)
(emacsconf-backstage-password . emacsconf_backstage_password))))))
;; (emacsconf-ansible-load-vars (expand-file-name "prod-vars.yml" emacsconf-ansible-directory))
;;; Tracks
(defvar emacsconf-tracks '((:name "General" :color "peachpuff" :id "gen" :channel "emacsconf-gen")
(:name "Development" :color "skyblue" :id "dev" :channel "emacsconf-dev")))
(defun emacsconf-get-track (name)
(seq-find (lambda (track) (or (string= name (plist-get track :name))
(string= name (plist-get track :id))))
emacsconf-tracks))
(defun emacsconf-by-track (info)
(mapcar (lambda (track)
(seq-filter
(lambda (talk)
(string= (plist-get talk :track) (plist-get track :name)))
info))
emacsconf-tracks))
(defun emacsconf-by-day (info)
(seq-group-by (lambda (o)
(format-time-string "%Y-%m-%d" (plist-get o :start-time) emacsconf-timezone))
(sort (seq-filter (lambda (o)
(or (plist-get o :slug)
(plist-get o :include-in-info)))
info)
#'emacsconf-sort-by-scheduled)))
(defun emacsconf-filter-talks-by-track (track info)
(when (stringp track) (setq track (emacsconf-get-track track)))
(seq-filter (lambda (o) (string= (plist-get o :track) (plist-get track :name))) info))
(defvar emacsconf-shifts
`((:id "sat-am"
:label "Sat Dec 3 morning"
:start ,(concat "2022-12-03T09:00:00" emacsconf-timezone-offset)
:end ,(concat "2022-12-03T12:00:00" emacsconf-timezone-offset))
(:id "sat-pm"
:label "Sat Dec 3 afternoon"
:start ,(concat "2022-12-03T13:00:00" emacsconf-timezone-offset)
:end ,(concat "2022-12-03T17:30:00" emacsconf-timezone-offset))
(:id "sun-am"
:label "Sun Dec 4 morning"
:start ,(concat "2022-12-04T09:00:00" emacsconf-timezone-offset)
:end ,(concat "2022-12-04T12:00:00" emacsconf-timezone-offset))
(:id "sun-pm"
:label "Sun Dec 4 afternoon"
:start ,(concat "2022-12-04T13:00:00" emacsconf-timezone-offset)
:end ,(concat "2022-12-04T17:30:00" emacsconf-timezone-offset))))
(defun emacsconf-filter-talks-by-time (start-time end-time info)
"Return talks that are between START-TIME and END-TIME (inclusive) in INFO."
(when (stringp start-time) (setq start-time (date-to-time start-time)))
(when (stringp end-time) (setq end-time (date-to-time end-time)))
(seq-filter (lambda (o)
(and (not (time-less-p (plist-get o :start-time) end-time))
(not (time-less-p start-time (plist-get o :end-time)))))
info))
(defun emacsconf-get-shift (time)
"Return the shift that TIME is in."
(unless (stringp time)
(setq time (format-time-string "%Y-%m-%dT%H:%M:%S%z" time emacsconf-timezone)))
(seq-find (lambda (shift)
(and (not (string> time (plist-get shift :end)))
(not (string> (plist-get shift :start) time))))
emacsconf-shifts))
(defun emacsconf-filter-talks-by-shift (time track info)
"Return a list of talks that are in the shift specified by TIME.
Filter by TRACK if given. Use INFO as the list of talks."
(let* ((shift (emacsconf-get-shift time))
(list (emacsconf-filter-talks-by-time (plist-get shift :start) (plist-get shift :end) info)))
(if track
(emacsconf-filter-talks-by-track track info)
list)))
(defun emacsconf-talk-all-done-p (talk)
(member (plist-get talk :status) (split-string "TO_ARCHIVE TO_EXTRACT TO_FOLLOW_UP DONE")))
(defun emacsconf-bbb-status (talk)
(let ((states
'((open . "OPEN_Q UNSTREAMED_Q")
(before . "TODO TO_REVIEW TO_ACCEPT WAITING_FOR_PREREC TO_PROCESS TO_AUTOCAP TO_ASSIGN TO_CAPTION TO_STREAM PLAYING CLOSED_Q")
(after . "TO_ARCHIVE TO_EXTRACT TO_FOLLOW_UP DONE"))))
(if (string-match "live" (or (plist-get talk :q-and-a) ""))
(or (car (seq-find (lambda (state)
(member (plist-get talk :status) (split-string (cdr state))))
states))
(throw 'error "Unknown talk BBB state"))
'irc)))
(defvar emacsconf-bbb-base-url "https://bbb.emacsverse.org/" "Include trailing slash.")
(defun emacsconf-bbb-room-title-list (&optional info)
(delq nil
(mapcar
(lambda (o)
(when (car o)
(concat "ec" (substring emacsconf-year 2)
"-" (plist-get (emacsconf-get-shift (plist-get (cadr o) :start-time)) :id)
"-" (plist-get (emacsconf-get-track (plist-get (cadr o) :track)) :id)
" " (car o)
" ("
(mapconcat (lambda (talk) (plist-get talk :slug)) (cdr o) ", ")
")")))
(seq-group-by (lambda (o) (plist-get o :speakers))
(or info (emacsconf-active-talks (emacsconf-filter-talks (emacsconf-get-talk-info))))))))
(defun emacsconf-surround (before text after alternative)
"Concat BEFORE, TEXT, and AFTER if TEXT is specified, or return ALTERNATIVE."
(if (and text (not (string= text "")))
(concat (or before "") text (or after ""))
alternative))
;;; Volunteer management
(defun emacsconf-get-volunteer-info ()
(with-current-buffer (find-file-noselect emacsconf-org-file)
(org-map-entries (lambda () (org-entry-properties))
"volunteer+EMAIL={.}")))
(defun emacsconf-complete-volunteer (&optional info)
(setq info (or info (emacsconf-get-volunteer-info)))
(let* ((choices
(mapcar (lambda (o)
(string-join
(delq nil
(mapcar (lambda (f) (assoc-default f o 'string=)) '("ITEM" "EMAIL")))
" - "))
info))
(choice (completing-read
"Volunteer: "
(lambda (string predicate action)
(if (eq action 'metadata)
'(metadata (category . volunteer))
(complete-with-action action choices string predicate))))))
(elt info (seq-position choices choice))))
(defun emacsconf-reflow ()
"Help reflow text files."
(interactive)
(let (input)
(while (not (string= "" (setq input (read-string "Word: "))))
(if (string= input "'")
(progn
(end-of-line)
(unless (looking-back " ")
(insert " "))
(delete-char 1))
(forward-word)
(cond
((string= input ",")
(re-search-forward ", " nil t)
(goto-char (match-end 0)))
((string= input ".")
(re-search-forward "\\. " nil t)
(goto-char (match-end 0)))
(t
(re-search-forward (concat "\\<" (regexp-quote input)) nil t)
(goto-char (match-beginning 0))))
(insert "\n"))
(recenter)
(undo-boundary))))
(provide 'emacsconf)
;;; emacsconf.el ends here