mirror of https://github.com/djcb/mu.git
262 lines
8.9 KiB
EmacsLisp
262 lines
8.9 KiB
EmacsLisp
;;; mu4e-actions.el -- part of mu4e, the mu mail user agent
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;;
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;; Copyright (C) 2011-2012 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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;; 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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;; Example actions for messages, attachments (see chapter 'Actions' in the
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;; manual)
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;;; Code:
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(eval-when-compile (byte-compile-disable-warning 'cl-functions))
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(require 'cl)
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(require 'ido)
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(require 'mu4e-message)
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(require 'mu4e-meta)
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(defun mu4e-action-count-lines (msg)
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"Count the number of lines in the e-mail message.
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Works for headers view and message-view."
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(message "Number of lines: %s"
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(shell-command-to-string
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(concat "wc -l < " (shell-quote-argument (mu4e-message-field msg :path))))))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(defvar mu4e-msg2pdf (concat mu4e-builddir "/toys/msg2pdf/msg2pdf")
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"Path to the msg2pdf toy.")
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(defun mu4e-action-view-as-pdf (msg)
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"Convert the message to pdf, then show it.
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Works for the message view."
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(unless (file-executable-p mu4e-msg2pdf)
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(mu4e-error "msg2pdf not found; please set `mu4e-msg2pdf'"))
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(let* ((pdf
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(shell-command-to-string
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(concat mu4e-msg2pdf " "
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(shell-quote-argument (mu4e-message-field msg :path))
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" 2> /dev/null")))
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(pdf (and pdf (> (length pdf) 5)
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(substring pdf 0 -1)))) ;; chop \n
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(unless (and pdf (file-exists-p pdf))
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(mu4e-warn "Failed to create PDF file"))
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(find-file pdf)))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(defun mu4e-action-view-in-browser (msg)
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"View the body of the message in a web browser.
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You can influence the browser to use with the variable
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`browse-url-generic-program'."
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(let* ((html (mu4e-message-field msg :body-html))
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(txt (mu4e-message-field msg :body-txt))
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(tmpfile (format "%s%x.html" temporary-file-directory (random t))))
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(unless (or html txt)
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(mu4e-error "No body part for this message"))
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(with-temp-buffer
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;; simplistic -- but note that it's only an example...
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(insert (or html (concat "<pre>" txt "</pre>")))
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(write-file tmpfile)
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(browse-url (concat "file://" tmpfile)))))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(defconst mu4e-text2speech-command "festival --tts"
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"Program that speaks out text it receives on standard-input.")
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(defun mu4e-action-message-to-speech (msg)
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"Pronounce the message text using `mu4e-text2speech-command'."
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(unless (mu4e-message-field msg :body-txt)
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(mu4e-warn "No text body for this message"))
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(with-temp-buffer
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(insert (mu4e-message-field msg :body-txt))
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(shell-command-on-region (point-min) (point-max)
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mu4e-text2speech-command)))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(defvar mu4e-captured-message nil
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"The last-captured message (the s-expression).")
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(defun mu4e-action-capture-message (msg)
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"Remember MSG; we can create a an attachment based on this msg
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with `mu4e-compose-attach-captured-message'."
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(setq mu4e-captured-message msg)
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(message "Message has been captured"))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(defvar mu4e-org-contacts-file nil
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"File to store contact information for org-contacts.
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Needed by `mu4e-action-add-org-contact'.")
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(eval-when-compile ;; silence compiler warning about free variable
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(unless (require 'org-capture nil 'noerror)
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(defvar org-capture-templates nil)))
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(defun mu4e-action-add-org-contact (msg)
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"Add an org-contact entry based on the From: address of the
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current message (in headers or view). You need to set
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`mu4e-org-contacts-file' to the full path to the file where you
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store your org-contacts."
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(unless (require 'org-capture nil 'noerror)
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(mu4e-error "org-capture is not available."))
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(unless mu4e-org-contacts-file
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(mu4e-error "`mu4e-org-contacts-file' is not defined."))
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(let* ((sender (car-safe (mu4e-message-field msg :from)))
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(name (car-safe sender)) (email (cdr-safe sender))
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(blurb
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(format
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(concat
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"* %s%%?\n"
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":PROPERTIES:\n"
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":EMAIL:%s\n"
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":NICK:\n"
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":BIRTHDAY:\n"
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":END:\n\n")
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(or name email "")
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(or email "")))
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(key "mu4e-add-org-contact-key")
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(org-capture-templates
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(append org-capture-templates
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(list (list key "contacts" 'entry
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(list 'file mu4e-org-contacts-file) blurb)))))
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(message "%S" org-capture-templates)
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(when (fboundp 'org-capture)
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(org-capture nil key))))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(defun mu4e-action-git-apply-patch (msg)
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"Apply the git [patch] message."
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(let ((path (ido-read-directory-name "Target directory: "
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(car ido-work-directory-list)
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"~/" t)))
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(setf ido-work-directory-list
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(cons path (delete path ido-work-directory-list)))
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(shell-command
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(format "cd %s; git apply %s"
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path
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(mu4e-message-field msg :path)))))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(defvar mu4e-action-tags-header "X-Keywords"
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"Header where tags are stored. Used by `mu4e-action-retag-message'.
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Make sure it is one of the headers mu recognizes for storing
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tags: X-Keywords, X-Label, Keywords. Also note that changing
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this setting on already tagged messages can lead to messages
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with multiple tags headers.")
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(defun mu4e~contains-line-matching (regexp path)
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"Determine whether the file at path contains a line matching
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the given regexp."
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(with-temp-buffer
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(insert-file-contents path)
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(save-excursion
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(goto-char (point-min))
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(if (re-search-forward regexp nil t)
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t
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nil))))
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(defun mu4e~replace-first-line-matching (regexp to-string path)
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"Replace the first line in the file at path that matches regexp
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with the string replace."
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(with-temp-file path
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(insert-file-contents path)
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(save-excursion
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(goto-char (point-min))
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(if (re-search-forward regexp nil t)
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(replace-match to-string nil nil)))))
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(defun mu4e-action-retag-message (msg &optional retag-arg)
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"Change tags of a message. Example: +tag \"+long tag\" -oldtag
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adds 'tag' and 'long tag', and removes oldtag."
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(let* ((retag (or retag-arg (read-string "Tags: ")))
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(path (mu4e-message-field msg :path))
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(maildir (mu4e-message-field msg :maildir))
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(oldtags (mu4e-message-field msg :tags))
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(header mu4e-action-tags-header)
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(sep (cond ((string= header "Keywords") " ")
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((string= header "X-Label") " ")
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((string= header "X-Keywords") ", ")
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(t ", ")))
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(taglist (if oldtags (copy-sequence oldtags) '()))
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tagstr)
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(dolist (tag (split-string-and-unquote retag) taglist)
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(cond
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((string-match "^\\+\\(.+\\)" tag)
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(setq taglist (push (match-string 1 tag) taglist)))
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((string-match "^\\-\\(.+\\)" tag)
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(setq taglist (delete (match-string 1 tag) taglist)))
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(t
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(setq taglist (push tag taglist)))))
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(setq taglist (sort (delete-dups taglist) 'string<))
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(setq tagstr (mapconcat 'identity taglist sep))
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(setq tagstr (replace-regexp-in-string "[\\&]" "\\\\\\&" tagstr))
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(setq tagstr (replace-regexp-in-string "[/]" "\\&" tagstr))
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(if (not (mu4e~contains-line-matching (concat header ":.*") path))
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;; Add tags header just before the content
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(mu4e~replace-first-line-matching
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"^$" (concat header ": " tagstr "\n") path)
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;; replaces keywords, restricted to the header
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(mu4e~replace-first-line-matching
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(concat header ":.*")
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(concat header ": " tagstr)
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path))
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(mu4e-message (concat "tagging: " (mapconcat 'identity taglist ", ")))
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(mu4e-refresh-message path maildir)))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(provide 'mu4e-actions)
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