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Revision: miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-523

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Merge from emacs--gnus--5.10, gnus--rel--5.10

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 * miles@gnu.org--gnu-2004/emacs--gnus--5.10--base-0
   tag of miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-464

 * miles@gnu.org--gnu-2004/emacs--gnus--5.10--patch-1
   Import from CVS branch gnus-5_10-branch

 * miles@gnu.org--gnu-2004/emacs--gnus--5.10--patch-2
   Merge from lorentey@elte.hu--2004/emacs--multi-tty--0, emacs--cvs-trunk--0

 * miles@gnu.org--gnu-2004/emacs--gnus--5.10--patch-3
   Merge from gnus--rel--5.10

 * miles@gnu.org--gnu-2004/emacs--gnus--5.10--patch-4
   Merge from gnus--rel--5.10

 * miles@gnu.org--gnu-2004/gnus--rel--5.10--patch-18
   Update from CVS

 * miles@gnu.org--gnu-2004/gnus--rel--5.10--patch-19
   Remove autoconf-generated files from archive

 * miles@gnu.org--gnu-2004/gnus--rel--5.10--patch-20
   Update from CVS
This commit is contained in:
Miles Bader 2004-09-04 13:13:48 +00:00
parent 2a223f35db
commit 23f87bede0
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lisp/gnus/gnus-delay.el Normal file
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;;; gnus-delay.el --- Delayed posting of articles
;; Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
;; Author: Kai Großjohann <Kai.Grossjohann@CS.Uni-Dortmund.DE>
;; Keywords: mail, news, extensions
;; This file is part of GNU Emacs.
;; GNU Emacs 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 2, or (at your
;; option) any later version.
;; GNU Emacs 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 GNU Emacs; see the file COPYING. If not, write to
;; the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;; Commentary:
;; Provide delayed posting of articles.
;;; Todo:
;; * `gnus-delay-send-queue' barfs when group does not exist.
;; * Integrate gnus-delay.el into the rest of Gnus automatically. How
;; should this be done? Basically, we need to do what
;; `gnus-delay-initialize' does. But in which files?
;;; Code:
(require 'nndraft)
(require 'gnus-draft)
;;;###autoload
(defgroup gnus-delay nil
"Arrange for sending postings later."
:group 'gnus)
(defcustom gnus-delay-group "delayed"
"Group name for storing delayed articles."
:type 'string
:group 'gnus-delay)
(defcustom gnus-delay-header "X-Gnus-Delayed"
"Header name for storing info about delayed articles."
:type 'string
:group 'gnus-delay)
(defcustom gnus-delay-default-delay "3d"
"*Default length of delay."
:type 'string
:group 'gnus-delay)
(defcustom gnus-delay-default-hour 8
"*If deadline is given as date, then assume this time of day."
:type 'integer
:group 'gnus-delay)
;;;###autoload
(defun gnus-delay-article (delay)
"Delay this article by some time.
DELAY is a string, giving the length of the time. Possible values are:
* <digits><units> for <units> in minutes (`m'), hours (`h'), days (`d'),
weeks (`w'), months (`M'), or years (`Y');
* YYYY-MM-DD for a specific date. The time of day is given by the
variable `gnus-delay-default-hour', minute and second are zero.
* hh:mm for a specific time. Use 24h format. If it is later than this
time, then the deadline is tomorrow, else today."
(interactive
(list (read-string
"Target date (YYYY-MM-DD) or length of delay (units in [mhdwMY]): "
gnus-delay-default-delay)))
(let (num unit days year month day hour minute deadline)
(cond ((string-match
"\\([0-9][0-9][0-9]?[0-9]?\\)-\\([0-9]+\\)-\\([0-9]+\\)"
delay)
(setq year (string-to-number (match-string 1 delay))
month (string-to-number (match-string 2 delay))
day (string-to-number (match-string 3 delay)))
(setq deadline
(message-make-date
(encode-time 0 0 ; second and minute
gnus-delay-default-hour
day month year))))
((string-match "\\([0-9]+\\):\\([0-9]+\\)" delay)
(setq hour (string-to-number (match-string 1 delay))
minute (string-to-number (match-string 2 delay)))
;; Use current time, except...
(setq deadline (apply 'vector (decode-time (current-time))))
;; ... for minute and hour.
(aset deadline 1 minute)
(aset deadline 2 hour)
;; Convert to seconds.
(setq deadline (time-to-seconds (apply 'encode-time
(append deadline nil))))
;; If this time has passed already, add a day.
(when (< deadline (time-to-seconds (current-time)))
(setq deadline (+ 3600 deadline))) ;3600 secs/day
;; Convert seconds to date header.
(setq deadline (message-make-date
(seconds-to-time deadline))))
((string-match "\\([0-9]+\\)\\s-*\\([mhdwMY]\\)" delay)
(setq num (match-string 1 delay))
(setq unit (match-string 2 delay))
;; Start from seconds, then multiply into needed units.
(setq num (string-to-number num))
(cond ((string= unit "Y")
(setq delay (* num 60 60 24 365)))
((string= unit "M")
(setq delay (* num 60 60 24 30)))
((string= unit "w")
(setq delay (* num 60 60 24 7)))
((string= unit "d")
(setq delay (* num 60 60 24)))
((string= unit "h")
(setq delay (* num 60 60)))
(t
(setq delay (* num 60))))
(setq deadline (message-make-date
(seconds-to-time (+ (time-to-seconds (current-time))
delay)))))
(t (error "Malformed delay `%s'" delay)))
(message-add-header (format "%s: %s" gnus-delay-header deadline)))
(set-buffer-modified-p t)
;; If group does not exist, create it.
(let ((group (format "nndraft:%s" gnus-delay-group)))
(gnus-agent-queue-setup gnus-delay-group))
(message-disassociate-draft)
(nndraft-request-associate-buffer gnus-delay-group)
(save-buffer 0)
(kill-buffer (current-buffer))
(message-do-actions message-postpone-actions))
;;;###autoload
(defun gnus-delay-send-queue ()
"Send all the delayed messages that are due now."
(interactive)
(save-excursion
(let* ((group (format "nndraft:%s" gnus-delay-group))
(message-send-hook (copy-sequence message-send-hook))
articles
article deadline)
(when (gnus-gethash group gnus-newsrc-hashtb)
(gnus-activate-group group)
(add-hook 'message-send-hook
'(lambda ()
(message-remove-header gnus-delay-header)))
(setq articles (nndraft-articles))
(while (setq article (pop articles))
(gnus-request-head article group)
(set-buffer nntp-server-buffer)
(goto-char (point-min))
(if (re-search-forward
(concat "^" (regexp-quote gnus-delay-header) ":\\s-+")
nil t)
(progn
(setq deadline (nnheader-header-value))
(setq deadline (apply 'encode-time
(parse-time-string deadline)))
(setq deadline (time-since deadline))
(when (and (>= (nth 0 deadline) 0)
(>= (nth 1 deadline) 0))
(message "Sending delayed article %d" article)
(gnus-draft-send article group)
(message "Sending delayed article %d...done" article)))
(message "Delay header missing for article %d" article)))))))
;;;###autoload
(defun gnus-delay-initialize (&optional no-keymap no-check)
"Initialize the gnus-delay package.
This sets up a key binding in `message-mode' to delay a message.
This tells Gnus to look for delayed messages after getting new news.
The optional arg NO-KEYMAP is ignored.
Checking delayed messages is skipped if optional arg NO-CHECK is non-nil."
(unless no-check
(add-hook 'gnus-get-new-news-hook 'gnus-delay-send-queue)))
(provide 'gnus-delay)
;; Local Variables:
;; coding: iso-8859-1
;; End:
;;; arch-tag: fb2ad634-a897-4142-a503-f5991ec2349d
;;; gnus-delay.el ends here