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;; jao-maildir.el -- Utilities for reading maildirs -*- lexical-binding: t; -*-
;; Copyright (c) 2019 jao
;; Author: jao <mail@jao.io>
;; Start date: Sun Dec 01, 2019 15:48
;; Keywords: mail
;; 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 3, 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.
;;; Comentary:
;; Inspecting the contents of maildirs and reporting it.
;;; Code:
(defvar jao-maildirs nil)
(defvar jao-maildir-counts nil)
(defvar jao-maildir-debug-p nil)
(defun jao-maildir--maildir-new (mbox) (expand-file-name "new" mbox))
(defun jao-maildir--maildir-new-count (mbox)
(- (length (directory-files (jao-maildir--maildir-new mbox))) 2))
(defun jao-maildir-counts ()
(mapcar (lambda (mbox) (cons mbox (jao-maildir--maildir-new-count mbox)))
jao-maildirs))
(defvar jao-maildir--watches nil)
(defun jao-maildir-cancel-watchers ()
(dolist (w jao-maildir--watches) (file-notify-rm-watch w))
(setq jao-maildir--watches nil))
(defun jao-maildir--log-watch (mbox e)
(when jao-maildir-debug-p
(message "watch: %s: %s" mbox e)))
(defun jao-maildir--watcher (mbox cb)
(lambda (e)
(jao-maildir--log-watch e mbox)
(when (memq (cadr e) '(created deleted))
(setcdr (assoc mbox jao-maildir-counts)
(jao-maildir--maildir-new-count mbox))
(when cb (funcall cb mbox)))))
(defun jao-maildir--setup-watches (cb)
(jao-maildir-cancel-watchers)
(setq jao-maildir--watches
(mapcar (lambda (mbox)
(file-notify-add-watch (jao-maildir--maildir-new mbox)
'(change)
(jao-maildir--watcher mbox cb)))
jao-maildirs)))
(defun jao-maildir-setup (maildirs &optional cb)
(setq jao-maildirs maildirs)
(setq jao-maildir-counts (jao-maildir-counts))
(jao-maildir--setup-watches cb))
(provide 'jao-maildir)
;;; jao-maildir.el ends here
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