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;;; 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 "2021"
"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-timezones '("America/Toronto" "America/Los_Angeles" "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 'resources
"Controls what information to include.
'program - don't include times
'schedule - include times; use this leading up to the conference
'resources - after the emacsconference, 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 conference information."
:type 'file
:group 'emacsconf)
(defcustom emacsconf-upcoming-file nil
"Path to the Org file with upcoming talks."
:type 'file
:group 'emacsconf)
(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-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 (&optional search)
(interactive (list (emacsconf-complete-talk)))
(when search
(setq search (emacsconf-get-slug-from-string search))
(pop-to-buffer (find-file-noselect emacsconf-org-file))
(let ((choices
(save-excursion
(delq nil
(org-map-entries
(lambda ()
(when (org-entry-get (point) "SLUG")
(cons
(concat (org-entry-get (point) "SLUG") " - "
(org-entry-get (point) "ITEM") " - "
(org-entry-get (point) "NAME") " - "
(org-entry-get (point) "EMAIL"))
(point)))))))))
(goto-char
(if search
(or (org-find-property "SLUG" search)
(cdr (seq-find (lambda (s) (string-match search (car s))) choices)))
(assoc-default (completing-read "Find: " choices)
choices)))
(org-reveal))))
(defmacro emacsconf-with-talk-heading (search &rest body)
(declare (indent 1) (debug t))
`(progn
(emacsconf-go-to-talk ,search)
,@body))
(defun emacsconf-status-types ()
;; TODO
)
(defun emacsconf-get-talk-info-from-properties (o)
(let ((heading (org-heading-components))
(field-props '((:title "ITEM")
(:talk-id "TALK_ID")
(:slug "SLUG")
(:video-slug "VIDEO_SLUG")
(:public "PUBLIC")
(:qa-public "QA_PUBLIC")
(:scheduled "SCHEDULED")
(:uuid "UUID")
(:email "EMAIL")
(:caption-note "CAPTION_NOTE")
(:duration "TIME")
(:q-and-a "Q_AND_A")
(:bbb-room "ROOM")
(:irc "IRC")
(:intro-note "INTRO_NOTE")
(:check-in "CHECK_IN")
(:contact "CONTACT")
(:captioner "CAPTIONER")
(:youtube-url "YOUTUBE_URL")
(:toobnix-url "TOOBNIX_URL")
(:pronunciation "PRONUNCIATION")
(:pronouns "PRONOUNS")
(:buffer "BUFFER")
(:time "MIN_TIME")
(:present "PRESENT")
(:speakers "NAME")
(:speakers-short "NAME_SHORT")
(:video-file "VIDEO_FILE")
(:video-file-size "VIDEO_FILE_SIZE")
(:video-duration "VIDEO_DURATION")
(:alternate-apac "ALTERNATE_APAC")
(:extra-live-time "EXTRA_LIVE_TIME"))))
(apply
'append
o
(list
:type (if (org-entry-get (point) "SLUG") 'talk 'headline)
:status (elt heading 2)
:level (car heading)
:url (concat emacsconf-base-url 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)))
:conf-year emacsconf-year
:start-time (when (org-entry-get (point) "SCHEDULED")
(org-timestamp-to-time
(org-timestamp-split-range
(org-timestamp-from-string
(org-entry-get (point) "SCHEDULED")))))
:end-time (when (org-entry-get (point) "SCHEDULED")
(org-timestamp-to-time
(org-timestamp-split-range
(org-timestamp-from-string
(org-entry-get (point) "SCHEDULED"))
t))))
(mapcar
(lambda (o) (list (car o) (org-entry-get (point) (cadr o))))
field-props))))
(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
(assoc-default (plist-get o :status)
(emacsconf-status-types) 'string= "")))
(defvar emacsconf-talk-info-functions '(emacsconf-get-talk-info-from-properties emacsconf-add-talk-status))
(defun emacsconf-get-talk-info-for-subtree ()
(seq-reduce (lambda (prev val) (funcall val prev))
emacsconf-talk-info-functions
nil))
(defun emacsconf-get-talk-info (&optional description-source)
(with-current-buffer (find-file-noselect emacsconf-org-file)
(save-excursion
(let (talk results (status-types (emacsconf-status-types)))
(org-map-entries
(lambda ()
(when (or (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-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-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-goto-talk-id (id)
(goto-char (org-find-property "TALK_ID" 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 ${keyword} from ATTRS in STRING."
(let ((a attrs))
(while a
(setq string
(replace-regexp-in-string (regexp-quote (concat "${" (substring (symbol-name (pop a)) 1) "}"))
(pop a)
string t t)))
string))
(provide 'emacsconf)
;;; emacsconf.el ends here
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