133 lines
4.3 KiB
EmacsLisp
133 lines
4.3 KiB
EmacsLisp
;;; mu-message.el -- use `mu' from emacs
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;; Copyright (C) 2011 Dirk-Jan C. Binnema
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;; Author: Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
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;; Maintainer: Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
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;; Keywords: email
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;; Version: 0.0
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;; This file is not part of GNU Emacs.
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;;
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; mu-message contains code to generate a message for composing, replying or
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;; forwarding
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;;; Code:
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(require 'mu-common)
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(defvar mu-message-citation-prefix "> "
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"string to prefix cited message parts with")
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(defvar mu-message-reply-prefix "Re:"
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"string to prefix the subject of replied messages with")
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(defvar mu-message-forward-prefix "Fwd:"
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"string to prefix the subject of forwarded messages with")
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(defun mu-message-user-agent ()
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(format "mu %s; emacs %s" (mu-binary-version) emacs-version))
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(defun mu-message-attribution (msg)
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"get an attribution line for a quoted message"
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(format "On %s, %s wrote:\n"
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(format-time-string mu-date-format-long (plist-get msg :date))
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(cdr (car (plist-get msg :from)))))
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(defun mu-message-cite (msg)
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"cite an existing message"
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(let ((body
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(or (plist-get msg :body-txt)
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(let ((html (plist-get msg :body-html)))
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(when html
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(with-temp-buffer (insert html) (html2text) (buffer-string))))
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"")))
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(replace-regexp-in-string "^" " > " body)))
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(defun mu-message-recipients-remove (email lst)
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"remove the recipient with EMAIL from the recipient list (of
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form '( (\"A\" . \"a@example.com\") (\"B\" . \"B@example.com\"))"
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(remove-if (lambda (c) (string= email (downcase (cdr c))) lst)))
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(defun mu-message-recipients-to-string (lst)
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"convert a recipient list (of form '( (\"A\"
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. \"a@example.com\") (\"B\" . \"B@example.com\") into a string
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useful for from/to headers"
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(mapconcat
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(lambda (recip)
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(let ((name (car recip) (email (cdr recip))))
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(format "%s <%s>" (or name "") email))) lst ","))
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(defun mu-message-hidden-header (hdr val)
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"return user-invisible header to the message (HDR: VAL\n)"
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(propertize (format "%s: %s\n" hdr val) 'invisible t))
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(defun mu-message-reply-or-forward (path &optional forward reply-all)
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"create a reply to the message at PATH; if FORWARD is non-nil,
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create a forwarded message. After creation, switch to the message editor"
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(let* ((cmd (concat mu-binary " view --format=sexp " path))
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(str (shell-command-to-string cmd))
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(msg (car (read-from-string str)))
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(buf (get-buffer-create
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(generate-new-buffer-name "*mu-draft*"))))
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(with-current-buffer buf
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(insert
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(format "From: %s <%s>\n" user-full-name user-mail-address)
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(mu-message-hidden-header "User-agent" (mu-message-user-agent)))
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(when (boundp 'mail-reply-to)
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(insert (format "Reply-To: %s\n" mail-reply-to)))
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(if forward
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(insert
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"To:\n"
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"Subject: " mu-message-forward-prefix (plist-get msg :subject) "\n")
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(insert
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"To: " (car (car (plist-get msg :from))) "\n"
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"Subject: " mu-message-reply-prefix (plist-get msg :subject) "\n"))
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(insert
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"--text follows this line--\n\n"
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(mu-message-attribution msg)
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(mu-message-cite msg))
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;; (when mail-signature (insert mail-signature))
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(message-mode)
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(if forward
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(message-goto-to)
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(message-goto-body))
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(switch-to-buffer buf))))
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(defun mu-message-reply ()
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"create a reply to the message at point; After creation, switch
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to the message editor"
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(let ((path (mu-get-path)))
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(when path
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(mu-ask-key "Reply to [s]ender only or to [a]ll?")
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(mu-message-reply-or-forward path))))
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(defun mu-message-forward (path)
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"create a forward-message to the message at PATH; After
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creation, switch to the message editor"
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(mu-message-reply-or-forward path t))
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(provide 'mu-message)
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