code.delx.au - gnu-emacs-elpa/blob - packages/excorporate/excorporate-org.el

   1 ;;; excorporate-org.el --- Exchange Org Mode view     -*- lexical-binding: t -*-
   2
   3 ;; Copyright (C) 2016 Free Software Foundation, Inc.
   4
   5 ;; Author: Thomas Fitzsimmons <fitzsim@fitzsim.org>
   6 ;; Keywords: calendar
   7
   8 ;; This program is free software: you can redistribute it and/or modify
   9 ;; it under the terms of the GNU General Public License as published by
  10 ;; the Free Software Foundation, either version 3 of the License, or
  11 ;; (at your option) any later version.
  12
  13 ;; This program is distributed in the hope that it will be useful,
  14 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 ;; GNU General Public License for more details.
  17
  18 ;; You should have received a copy of the GNU General Public License
  19 ;; along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20
  21 ;;; Commentary:
  22
  23 ;; Use the Org Mode to display daily meetings.
  24
  25 ;;; Code:
  26
  27 (require 'org)
  28 (require 'excorporate)
  29
  30 (defvar excorporate-org-buffer-name "*Excorporate*"
  31   "The buffer into which Org Mode output is inserted.")
  32
  33 (defun exco-org-initialize-buffer ()
  34   "Add initial text to the destination buffer."
  35   (with-current-buffer (get-buffer-create excorporate-org-buffer-name)
  36       (setq buffer-read-only t)
  37       (setq buffer-file-name excorporate-org-buffer-name)
  38       (org-mode)
  39       (use-local-map (copy-keymap org-mode-map))
  40       (local-set-key "q" 'quit-window)
  41       (display-buffer (current-buffer))
  42       (let ((inhibit-read-only t))
  43         (delete-region (point-min) (point-max))
  44         (goto-char 1)
  45         (insert "# Updated...\n"))))
  46
  47 (defun exco-org-format-headline (identifier)
  48   "Format an Org headline using IDENTIFIER."
  49   (format "* Calendar (%s)\n" identifier))
  50
  51 (defun exco-org-insert-meeting-headline (subject start-time end-time)
  52   "Insert and schedule a meeting.
  53 SUBJECT is the meeting's subject, START-TIME and END-TIME are the
  54 meeting's start and end times in the same format as is returned
  55 by `current-time'."
  56   (let* ((now (current-time))
  57          (keyword (if (time-less-p now end-time)
  58                       "TODO"
  59                     "DONE")))
  60     (insert (format "** %s %s\n" keyword subject))
  61     (org-schedule nil (format-time-string "<%Y-%m-%d %a %H:%M>"
  62                                           start-time))
  63     (forward-line -1)
  64     (end-of-line)
  65     (insert  "--" (format-time-string "<%Y-%m-%d %a %H:%M>" end-time))
  66     (forward-line)
  67     (org-insert-time-stamp (current-time) t t "+ Retrieved " "\n")))
  68
  69 (defun exco-org-insert-invitees (invitees)
  70   "Parse and insert a list of invitees, INVITEES."
  71   (dolist (invitee invitees)
  72     (insert (format "  + %s\n" invitee))))
  73
  74 (defun exco-org-insert-headline (identifier month day year)
  75   "Insert Org headline for IDENTIFIER on date MONTH DAY YEAR."
  76   (with-current-buffer (get-buffer-create excorporate-org-buffer-name)
  77     (let ((inhibit-read-only t))
  78       (insert (exco-org-format-headline identifier))
  79       (org-insert-time-stamp (encode-time 0 0 0 day month year)
  80                              nil t "  + Date " "\n"))))
  81
  82 (defun exco-org-insert-meeting (subject start end location
  83                                         main-invitees optional-invitees)
  84   "Insert a scheduled meeting.
  85 SUBJECT is a string, the subject of the meeting.  START is the
  86 meeting start time in Emacs internal date time format, and END is
  87 the end of the meeting in the same format.  LOCATION is a string
  88 representing the location.  MAIN-INVITEES and OPTIONAL-INVITEES
  89 are the requested participants."
  90   (exco-org-insert-meeting-headline subject start end)
  91   (insert (format "+ Duration: %d minutes\n"
  92                   (round (/ (float-time (time-subtract end start)) 60.0))))
  93   (insert (format "+ Location: %s\n" location))
  94   (when main-invitees
  95     (insert "+ Invitees:\n")
  96     (exco-org-insert-invitees main-invitees))
  97   (when optional-invitees
  98     (insert "+ Optional invitees:\n")
  99     (exco-org-insert-invitees optional-invitees)))
 100
 101 (defun exco-org-insert-meetings (identifier response)
 102   "Insert the connection IDENTIFIER's meetings from RESPONSE."
 103   (with-current-buffer (get-buffer-create excorporate-org-buffer-name)
 104     (let ((inhibit-read-only t)
 105           (name-regexp (concat "\\" (exco-org-format-headline identifier))))
 106       (goto-char 1)
 107       (end-of-line)
 108       (insert (format "%s..." identifier))
 109       (goto-char (point-max))
 110       (re-search-backward name-regexp nil)
 111       (forward-line 2)
 112       (org-insert-time-stamp (current-time) t t "  + Last checked " "\n")
 113       (exco-calendar-item-iterate response #'exco-org-insert-meeting)
 114       (re-search-backward name-regexp nil)
 115       (if (save-excursion (org-goto-first-child))
 116           (org-sort-entries t ?s)
 117         (forward-line 3)
 118         (insert "`♘")))))
 119
 120 (defun exco-org-finalize-buffer ()
 121   "Finalize text in buffer after all connections have responded."
 122   (with-current-buffer (get-buffer-create excorporate-org-buffer-name)
 123     ;; Sort top-level entries alphabetically.
 124     (let ((inhibit-read-only t))
 125       (goto-char (point-min))
 126       (end-of-line)
 127       (insert "done.")
 128       (org-sort-entries t ?a))))
 129
 130 ;;;###autoload
 131 (defun exco-org-show-day (month day year)
 132   "Show meetings for the date specified by MONTH DAY YEAR."
 133   (exco-connection-iterate #'exco-org-initialize-buffer
 134                            (lambda (identifier callback)
 135                              (exco-org-insert-headline identifier
 136                                                        month day year)
 137                              (exco-get-meetings-for-day identifier
 138                                                         month day year
 139                                                         callback))
 140                            #'exco-org-insert-meetings
 141                            #'exco-org-finalize-buffer))
 142
 143 (provide 'excorporate-org)
 144
 145 ;;; excorporate-org.el ends here