New file.

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 36b0d46..ea54f60 100644 (file)
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,7 @@
+2001-07-21  Kai Gro\e,A_\e(Bjohann  <Kai.Grossjohann@CS.Uni-Dortmund.DE>
+
+       * gnus-delay.el: New file.
+
 2001-07-21 13:00:00  ShengHuo ZHU  <zsh@cs.rochester.edu>
 
        * mm-util.el (mm-read-coding-system): Take two arguments.

diff --git a/lisp/gnus-delay.el b/lisp/gnus-delay.el
new file mode 100644 (file)
index 0000000..58b3952
--- /dev/null
+++ b/lisp/gnus-delay.el
@@ -0,0 +1,107 @@
+;;; gnus-delay.el --- Delayed posting of articles -*- coding: latin-1; -*-
+
+;; Copyright (C) 2001  Free Software Foundation, Inc.
+
+;; Author: Kai Großjohann <Kai.Grossjohann@CS.Uni-Dortmund.DE>
+;; Keywords: mail, news, extensions
+
+;; This file 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.
+
+;; This file 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.
+
+;;; Code:
+
+(require 'nndraft)
+(require 'gnus-draft)
+
+(defvar gnus-delay-group "delayed"
+  "Group name for storing delayed articles.")
+
+(defvar gnus-delay-header "X-Gnus-Delayed"
+  "Header name for storing info about delayed articles.")
+
+(defvar gnus-delay-default-delay "3d"
+  "*Default length of delay.")
+
+(defun gnus-delay-article (delay)
+  "Delay this article by some time.
+DELAY is a string, giving the length of the time.  Possible values are
+like 3d (meaning 3 days) or 2w (meaning two weeks)."
+  (interactive
+   (list (read-string (format "Length of delay (default `%s'): "
+                              gnus-delay-default-delay)
+                      nil nil gnus-delay-default-delay nil)))
+  (let (num unit days deadline)
+    (unless (string-match "\\([0-9]+\\)\\s-*\\([dw]\\)" delay)
+      (error "Malformed delay `%s'" delay))
+    (setq num (match-string 1 delay))
+    (setq unit (match-string 2 delay))
+    (if (string= unit "w")
+        (setq delay (* 7 (string-to-number num)))
+      (setq delay (string-to-number num)))
+    (setq deadline (message-make-date
+                    (seconds-to-time (+ (time-to-seconds (current-time))
+                                        (* delay 24 60 60)))))
+    (message-add-header (format "%s: %s" gnus-delay-header deadline)))
+  (set-buffer-modified-p t)
+  (nndraft-request-create-group 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))
+
+(defun gnus-delay-send-drafts ()
+  "Send all the delayed messages that are due now."
+  (interactive)
+  (save-excursion
+    (let* ((group (format "nndraft:%s" gnus-delay-group))
+           (articles (nndraft-articles))
+           article deadline)
+      (gnus-activate-group group)
+      (while (setq article (pop articles))
+        (gnus-request-head article group)
+        (set-buffer nntp-server-buffer)
+        (unless (re-search-forward
+                 (concat "^" (regexp-quote gnus-delay-header) ":\\s-+"))
+          (error "Couldn't find delay for article %d" article))
+        (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 article %d" article)
+          (gnus-draft-send article group)
+          (message "Sending article %d...done" 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.
+
+Key binding is skipped if optional arg NO-KEYMAP is non-nil.
+Checking delayed messages is skipped if optional arg NO-CHECK is non-nil."
+  (unless no-keymap
+    (require 'message)
+    (define-key message-mode-map (kbd "C-c C-j") 'gnus-delay-article))
+  (unless no-check
+    (add-hook 'gnus-get-new-news-hook 'gnus-delay-send-drafts)))
+
+(provide 'gnus-delay)
+;;; gnus-delay.el ends here