1 ;;; nndraft.el --- draft article access for Gnus
3 ;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
4 ;; 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
6 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
9 ;; This file is part of GNU Emacs.
11 ;; GNU Emacs is free software: you can redistribute it and/or modify
12 ;; it under the terms of the GNU General Public License as published by
13 ;; the Free Software Foundation, either version 3 of the License, or
14 ;; (at your option) any later version.
16 ;; GNU Emacs is distributed in the hope that it will be useful,
17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 ;; GNU General Public License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
34 (eval-when-compile (require 'cl))
39 (defvoo nndraft-directory (nnheader-concat gnus-directory "drafts/")
40 "Where nndraft will store its files."
43 (defvar nndraft-required-headers '(Date)
44 "*Headers to be generated when saving a draft message.
45 The headers in this variable and the ones in `message-required-headers'
46 are generated if and only if they are also in `message-draft-headers'.")
50 (defvoo nndraft-current-group "" nil nnmh-current-group)
51 (defvoo nndraft-get-new-mail nil nil nnmh-get-new-mail)
52 (defvoo nndraft-current-directory nil nil nnmh-current-directory)
54 (defconst nndraft-version "nndraft 1.0")
55 (defvoo nndraft-status-string "" nil nnmh-status-string)
59 ;;; Interface functions.
61 (nnoo-define-basics nndraft)
63 (deffoo nndraft-open-server (server &optional defs)
64 (nnoo-change-server 'nndraft server defs)
66 ((not (file-exists-p nndraft-directory))
67 (nndraft-close-server)
68 (nnheader-report 'nndraft "No such file or directory: %s"
70 ((not (file-directory-p (file-truename nndraft-directory)))
71 (nndraft-close-server)
72 (nnheader-report 'nndraft "Not a directory: %s" nndraft-directory))
74 (nnheader-report 'nndraft "Opened server %s using directory %s"
75 server nndraft-directory)
78 (deffoo nndraft-retrieve-headers (articles &optional group server fetch-old)
79 (nndraft-possibly-change-group group)
80 (with-current-buffer nntp-server-buffer
82 (let (article lines chars)
83 ;; We don't support fetching by Message-ID.
84 (if (stringp (car articles))
87 (narrow-to-region (point) (point))
88 (when (nndraft-request-article
89 (setq article (pop articles)) group server (current-buffer))
90 (goto-char (point-min))
91 (if (search-forward "\n\n" nil t)
93 (goto-char (point-max)))
94 (setq lines (count-lines (point) (point-max))
95 chars (- (point-max) (point)))
96 (delete-region (point) (point-max))
97 (goto-char (point-min))
98 (insert (format "221 %d Article retrieved.\n" article))
99 (insert (format "Lines: %d\nChars: %d\n" lines chars))
101 (goto-char (point-max))
104 (nnheader-fold-continuation-lines)
107 (deffoo nndraft-request-article (id &optional group server buffer)
108 (nndraft-possibly-change-group group)
110 ;; We get the newest file of the auto-saved file and the
112 (let* ((file (nndraft-article-filename id))
113 (auto (nndraft-auto-save-file-name file))
114 (newest (if (file-newer-than-file-p file auto) file auto))
115 (nntp-server-buffer (or buffer nntp-server-buffer)))
116 (when (and (file-exists-p newest)
117 (let ((nnmail-file-coding-system
118 (if (file-newer-than-file-p file auto)
119 (if (member group '("drafts" "delayed"))
120 message-draft-coding-system
121 mm-text-coding-system)
122 mm-auto-save-coding-system)))
123 (nnmail-find-file newest)))
124 (with-current-buffer nntp-server-buffer
125 (goto-char (point-min))
126 ;; If there's a mail header separator in this file,
128 (when (re-search-forward
129 (concat "^" (regexp-quote mail-header-separator) "$") nil t)
130 (replace-match "" t t)))
133 (deffoo nndraft-request-restore-buffer (article &optional group server)
134 "Request a new buffer that is restored to the state of ARTICLE."
135 (nndraft-possibly-change-group group)
136 (when (nndraft-request-article article group server (current-buffer))
137 (message-remove-header "xref")
138 (message-remove-header "lines")
139 ;; Articles in nndraft:queue are considered as sent messages. The
140 ;; Date field should be the time when they are sent.
141 ;;(message-remove-header "date")
144 (deffoo nndraft-request-update-info (group info &optional server)
145 (nndraft-possibly-change-group group)