1 ;;; gnus-delay.el --- Delayed posting of articles -*- coding: latin-1; -*-
3 ;; Copyright (C) 2001 Free Software Foundation, Inc.
5 ;; Author: Kai Großjohann <Kai.Grossjohann@CS.Uni-Dortmund.DE>
6 ;; Keywords: mail, news, extensions
8 ;; This file 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 2, or (at your option)
13 ;; This file 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.
18 ;; You should have received a copy of the GNU General Public License
19 ;; along with GNU Emacs; see the file COPYING. If not, write to
20 ;; the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21 ;; Boston, MA 02111-1307, USA.
25 ;; Provide delayed posting of articles.
32 (defvar gnus-delay-group "delayed"
33 "Group name for storing delayed articles.")
35 (defvar gnus-delay-header "X-Gnus-Delayed"
36 "Header name for storing info about delayed articles.")
38 (defvar gnus-delay-default-delay "3d"
39 "*Default length of delay.")
41 (defun gnus-delay-article (delay)
42 "Delay this article by some time.
43 DELAY is a string, giving the length of the time. Possible values are
44 <digits><units> for <units> in minutes (`m'), hours (`h'), days (`d'),
45 weeks (`w'), months (`M'), or years (`Y')."
47 (list (read-string "Length of delay (units in [mhdwMY]): "
48 gnus-delay-default-delay)))
49 (let (num unit days deadline)
50 (unless (string-match "\\([0-9]+\\)\\s-*\\([mhdwMY]\\)" delay)
51 (error "Malformed delay `%s'" delay))
52 (setq num (match-string 1 delay))
53 (setq unit (match-string 2 delay))
54 ;; Start from seconds, then multiply into needed units.
55 (setq num (string-to-number num))
56 (cond ((string= unit "Y")
57 (setq delay (* num 60 60 24 365)))
59 (setq delay (* num 60 60 24 30)))
61 (setq delay (* num 60 60 24 7)))
63 (setq delay (* num 60 60 24)))
65 (setq delay (* num 60 60)))
67 (setq delay (* num 60))))
68 (setq deadline (message-make-date
69 (seconds-to-time (+ (time-to-seconds (current-time))
71 (message-add-header (format "%s: %s" gnus-delay-header deadline)))
72 (set-buffer-modified-p t)
73 (nndraft-request-create-group gnus-delay-group)
74 (message-disassociate-draft)
75 (nndraft-request-associate-buffer gnus-delay-group)
77 (kill-buffer (current-buffer))
78 (message-do-actions message-postpone-actions))
80 (defun gnus-delay-send-drafts ()
81 "Send all the delayed messages that are due now."
84 (let* ((group (format "nndraft:%s" gnus-delay-group))
85 (articles (nndraft-articles))
87 (gnus-activate-group group)
88 (while (setq article (pop articles))
89 (gnus-request-head article group)
90 (set-buffer nntp-server-buffer)
91 (unless (re-search-forward
92 (concat "^" (regexp-quote gnus-delay-header) ":\\s-+"))
93 (error "Couldn't find delay for article %d" article))
94 (setq deadline (nnheader-header-value))
95 (setq deadline (apply 'encode-time (parse-time-string deadline)))
96 (setq deadline (time-since deadline))
97 (when (and (>= (nth 0 deadline) 0)
98 (>= (nth 1 deadline) 0))
99 (message "Sending article %d" article)
100 (gnus-draft-send article group)
101 (message "Sending article %d...done" article))))))
104 (defun gnus-delay-initialize (&optional no-keymap no-check)
105 "Initialize the gnus-delay package.
106 This sets up a key binding in `message-mode' to delay a message.
107 This tells Gnus to look for delayed messages after getting new news.
109 Key binding is skipped if optional arg NO-KEYMAP is non-nil.
110 Checking delayed messages is skipped if optional arg NO-CHECK is non-nil."
113 (define-key message-mode-map (kbd "C-c C-j") 'gnus-delay-article))
115 (add-hook 'gnus-get-new-news-hook 'gnus-delay-send-drafts)))
117 (provide 'gnus-delay)
118 ;;; gnus-delay.el ends here