1 ;;; wl-news.el --- Create notification from NEWS(.ja) for Wanderlust.
3 ;; Copyright (C) 2002 Yoichi NAKAYAMA <yoichi@eken.phys.nagoya-u.ac.jp>
4 ;; Copyright (C) 2002 Kenichi OKADA <okada@opaopa.org>
6 ;; Author: Yoichi NAKAYAMA <yoichi@eken.phys.nagoya-u.ac.jp>
7 ;; Kenichi OKADA <okada@opaopa.org>
8 ;; Keywords: mail, net news
10 ;; This file is part of Wanderlust (Yet Another Message Interface on Emacsen).
12 ;; This program is free software; you can redistribute it and/or modify
13 ;; it under the terms of the GNU General Public License as published by
14 ;; the Free Software Foundation; either version 2, or (at your option)
17 ;; This program is distributed in the hope that it will be useful,
18 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 ;; GNU General Public License for more details.
22 ;; You should have received a copy of the GNU General Public License
23 ;; along with GNU Emacs; see the file COPYING. If not, write to the
24 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
25 ;; Boston, MA 02111-1307, USA.
41 (defvar wl-news-version-file-name "previous-version")
42 (defvar wl-news-default-previous-version '(2 0 0))
44 (defun wl-news-check ()
45 (let ((previous-version (wl-news-previous-version-load))
46 (current-version (product-version (product-find 'wl-version))))
47 (if (and (< 0 (product-version-compare
48 current-version previous-version))
49 (wl-news-append-news-to-folder previous-version))
50 (wl-news-previous-version-save current-version))))
56 ;;; -*- news-list-end -*-
58 (defun wl-news-previous-version-load ()
60 (let ((filename (expand-file-name
61 wl-news-version-file-name
62 elmo-msgdb-directory))
63 (tmp-buffer (get-buffer-create " *wl-news-version-tmp*"))
64 insert-file-contents-pre-hook
65 insert-file-contents-post-hook
67 (if (not (file-readable-p filename))
68 wl-news-default-previous-version
69 (set-buffer tmp-buffer)
70 (insert-file-contents filename)
73 (read (current-buffer))
75 (kill-buffer tmp-buffer)
78 (defun wl-news-previous-version-save (version)
80 (let ((filename (expand-file-name
81 wl-news-version-file-name
82 elmo-msgdb-directory))
83 (tmp-buffer (get-buffer-create " *wl-news-version-tmp*")))
84 (set-buffer tmp-buffer)
86 (prin1 version tmp-buffer)
87 (princ "\n" tmp-buffer)
88 (if (file-writable-p filename)
89 (write-region (point-min) (point-max)
91 (message "%s is not writable." filename))
92 (kill-buffer tmp-buffer))))
94 (defun wl-news-append-news-to-folder (previous-version)
95 (let ((news-list wl-news-news-alist)
96 (news-list-ja wl-news-news-ja-alist))
98 (insert "Subject: Wanderlust NEWS\n"
99 "From: \"WL Release 'Bot\"\n"
100 "To: " (wl-address-header-extract-address wl-from) "\n"
101 "Date: " (wl-make-date-string) "\n"
102 "Message-ID: " (funcall wl-message-id-function) "\n"
103 "Content-Type: multipart/mixed;\n\tboundary=Multipart\n\n"
105 "Content-Type: text/plain\n\n")
107 (product-version-compare
108 (car (car news-list))
110 (insert (cdr (car news-list)) "\n\n")
111 (setq news-list (cdr news-list)))
112 (insert "--Multipart\n")
113 (insert "Content-Type: text/plain; charset=ISO-2022-JP\n\n")
115 (product-version-compare
116 (car (car news-list-ja))
118 (insert (cdr (car news-list-ja)) "\n\n")
119 (setq news-list-ja (cdr news-list-ja)))
120 (encode-coding-region (point-min) (point-max) 'iso-2022-7bit)
121 (if (elmo-folder-writable-p (wl-folder-get-elmo-folder wl-draft-folder))
122 (elmo-folder-append-buffer
123 (wl-folder-get-elmo-folder wl-default-folder) t)))))
126 (product-provide (provide 'wl-news) (require 'wl-version))
128 ;;; wl-news.el ends here