Bring in more code from 2021

1 files changed, 125 insertions, 0 deletions

diff --git a/emacsconf-pentabarf.el b/emacsconf-pentabarf.el
new file mode 100644
index 0000000..6920845
--- /dev/null
+++ b/emacsconf-pentabarf.el
@@ -0,0 +1,125 @@
+;;; emacsconf-pentabarf.el ---  pentabarf XML export  -*- lexical-binding: t; -*-
+
+;; Copyright (C) 2022  Sacha Chua
+
+;; Author: Sacha Chua <sacha@sachachua.com>
+;; Keywords: 
+
+;; 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:
+(defun emacsconf-assign-talk-uuids ()
+  (interactive)
+  (require 'uuid)
+  (org-map-entries (lambda ()
+                     (when (and (org-entry-get (point) "SLUG")
+                                (not (org-entry-get (point) "UUID")))
+                       (org-entry-put (point) "UUID" (uuid-string))))))
+
+(defun emacsconf-talk-info-as-pentabarf-xml (o)
+  (require 'svg)
+  (dom-node
+   'event `((id . ,(plist-get o :slug))
+            (guid . ,(plist-get o :uuid)))
+   (dom-node 'date nil (emacsconf-pentabarf-format-datetime (plist-get o :start-time)))
+   (dom-node 'start nil (format-time-string "%H:%M" (plist-get o :start-time)))
+   (dom-node 'language nil "en")
+   (dom-node 'room nil "Main")
+   (dom-node 'subtitle)
+   (dom-node 'type nil "Talk")
+   (dom-node 'track nil "Main")
+   (dom-node 'slug nil (concat "emacsconf-" emacsconf-year "-talk-" (plist-get o :slug)))
+   (dom-node 'duration nil (format-seconds "%h:%.2m"
+                                           (time-to-seconds
+                                            (time-subtract
+                                             (plist-get o :end-time)
+                                             (plist-get o :start-time)))))
+   ;; (dom-node 'slug nil (plist-get o :slug))
+   (dom-node 'title nil (plist-get o :title))
+   (dom-node 'abstract)
+   (dom-node 'description nil (svg--encode-text (concat "Times are approximate and will probably change.\n\n" (plist-get o :markdown))))
+   (dom-node 'url nil (concat "https://emacsconf.org/" emacsconf-year "/talks/" (plist-get o :slug)))
+   (apply 'dom-node 'persons
+          nil
+          (seq-map (lambda (p)
+                     (dom-node 'person nil p))
+                   (split-string (or (plist-get o :speakers) "EmacsConf") ", ")))))
+
+(defun emacsconf-pentabarf-format-datetime (time)
+  (format-time-string "%Y-%m-%dT%H:%M:%SZ" time t))
+(defun emacsconf-pentabarf-days (talks)
+  (seq-map-indexed
+   (lambda (day i)
+     (dom-node
+      'day
+      `((date . ,(car day)) 
+        (start . ,(emacsconf-pentabarf-format-datetime (plist-get (cadr day) :start-time)))
+        (end . ,(emacsconf-pentabarf-format-datetime (plist-get (car (last day)) :end-time)))
+        (index . ,(1+ i)))
+      (apply
+       'dom-node 'room
+       '((name . "Main"))
+       (seq-map #'conf-talk-info-as-pentabarf-xml
+                (cdr day)))))
+   (seq-group-by
+    (lambda (o) (format-time-string "%Y-%m-%d" (plist-get o :start-time)))
+    talks)))
+;; (emacsconf-pentabarf-days (seq-take (emacsconf-filter-talks emacsconf-info) 3))
+;; based on svg-print, but without spaces
+(defun emacsconf-pentabarf-print (dom)
+  "Convert DOM into a string containing the xml representation."
+  (if (stringp dom)
+      (insert dom)
+    (insert (format "<%s" (car dom)))
+    (dolist (attr (nth 1 dom))
+      ;; Ignore attributes that start with a colon.
+      (unless (= (aref (format "%s" (car attr)) 0) ?:)
+        (insert (format " %s=\"%s\"" (car attr) (cdr attr)))))
+    (insert ">")
+    (dolist (elem (nthcdr 2 dom))
+      (emacsconf-pentabarf-print elem))
+    (insert (format "</%s>" (car dom)))))
+
+(defun emacsconf-pentabarf  (emacsconf-info)
+  (require 'svg)
+  (apply
+   'dom-node
+   'schedule
+   nil
+   (append
+    (list
+     (dom-node 'generator '((name . "EmacsConf") (version . "0.1")))
+     (dom-node 'version nil (format-time-string "%Y%m%d%H%M%S"))
+     (dom-node 'conference nil
+               (dom-node 'acronym nil "emacsconf" emacsconf-year)
+               (dom-node 'title nil (concat "EmacsConf " emacsconf-year))
+               (dom-node 'start nil "2021-11-27")
+               (dom-node 'end nil "2021-11-28")
+               (dom-node 'time_zone_name nil "America/Toronto")
+               (dom-node 'base_url nil (concat "https://emacsconf.org/" emacsconf-year))))
+    (emacsconf-pentabarf-days (emacsconf-filter-talks emacsconf-info)))))
+
+;; (emacsconf-pentabarf-days (seq-take (emacsconf-filter-talks emacsconf-info) 3))
+;; 
+
+(defun emacsconf-pentabarf-generate ()
+  (unless (file-directory-p emacsconf-directory) (error "Please specify the wiki directory in the emacsconf-directory variable."))
+  (with-temp-file (expand-file-name "emacsconf-pentabarf.xml" (expand-file-name emacsconf-year emacsconf-directory))
+    (emacsconf-pentabarf-print (emacsconf-pentabarf (emacsconf-filter-talks (emacsconf-get-talk-info 'wiki))))))
+
+;;; emacsconf-pentabarf.el ends here