diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/net/nnnm.el | 265 |
1 files changed, 0 insertions, 265 deletions
diff --git a/lib/net/nnnm.el b/lib/net/nnnm.el deleted file mode 100644 index 552e95c..0000000 --- a/lib/net/nnnm.el +++ /dev/null @@ -1,265 +0,0 @@ -;;; nnnm.el --- Gnus backend for notmuch -*- lexical-binding: t; -*- - -;; Copyright (C) 2021 jao - -;; Author: jao <mail@jao.io> -;; Keywords: mail - -;; This program 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 of the License, or -;; (at your option) any later version. - -;; This program 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 this program. If not, see <https://www.gnu.org/licenses/>. - -;;; Commentary: - -;; A Gnus mail backend using notmuch. - -;;; Code: - -(require 'gnus) -(require 'nnheader) -(require 'nnmail) -(require 'nnoo) - - -(nnoo-declare nnnm) - -(defvar nnnm-marks-to-tags '((tick . "flagged"))) - -(defvar nnnm-saved-searches nil) - -(defvar nnnm-maildir nil) - -(defvar nnnm--group-data nil) - -(defun nnnm--group-data (group) (cdr (assoc group nnnm--group-data))) - -(defun nnnm--set-group-data (group data) - (setf (alist-get group nnnm--group-data nil t #'string=) data)) - - -(defun nnnm--find-query (name) - (when-let (s (seq-find (lambda (s) (string= (plist-get s :name) name)) - nnnm-saved-searches)) - (plist-get s :query))) - -(defun nnnm--find-message-file (id) - (car (split-string - (shell-command-to-string - (format "notmuch search --output=files %s" - (if (string-prefix-p "id:" id) id (concat "id:" id))))))) - -(defun nnnm--article-data (article group) - (cond ((stringp article) (list article)) - ((numberp article) - (when-let (data (nnnm--group-data group)) - (elt data (1- article)))))) - -(defun nnnm-article-to-file (article group) - (when-let (d (nnnm--article-data article group)) - (or (cadr d) (nnnm--find-message-file (car d))))) - -(defun nnnm--count (query &optional context) - (let ((cmd (format "notmuch count -- '(%s)%s'" - query - (if context (concat " AND " context) "")))) - (string-to-number (shell-command-to-string cmd)))) - -(defun nnnm--search (query &optional context) - (let ((cmd (format "notmuch search --sort=oldest-first --output=messages -- %s%s" - (shell-quote-argument (format "(%s)" query)) - (if context (concat " AND " context) "")))) - (split-string (shell-command-to-string cmd)))) - -(defun nnnm--tag (query tags) - (let ((cmd (format "notmuch tag %s -- '(%s)'" tags query))) - (shell-command-to-string cmd))) - -(defun nnnm--ids-query (ids) (mapconcat #'identity ids " OR ")) - -(defun nnnm--prefixed (group server) - (gnus-group-prefixed-name group `(nnnm ,server))) - -(defun nnnm--get-group-marks (group server) - (gnus-info-marks (gnus-get-info (nnnm--prefixed group server)))) - -(defun nnnm--set-group-marks (marks group server) - (let* ((full-group (nnnm--prefixed group server)) - (info (gnus-get-info full-group))) - (gnus-info-set-marks info marks) - (gnus-set-info full-group info))) - -(defun nnnm--subtract-from-ranges (ranges lst) - (let ((ranges (gnus-uncompress-sequence ranges))) - (dolist (n lst) - (let ((rs (seq-group-by (lambda (r) (> n r)) ranges))) - (setq ranges - (append (alist-get t rs) (mapcar #'1- (alist-get nil rs)))))) - (gnus-compress-sequence ranges))) - -(defun nnnm--remove-articles-from-marks (ranges group server) - (let ((marks (nnnm--get-group-marks group server)) - (lst (gnus-uncompress-sequence ranges)) - (new-marks)) - (dolist (m marks) - (push (cons (car m) (nnnm--subtract-from-ranges (cdr m))) lst)) - (nnnm--set-group-marks marks group server))) - -(defun nnnm--set-active (n group server) - (gnus-set-active (nnnm--prefixed group server) (cons 1 n))) - -(defun nnnm--update-group-data (group &optional server) - (when-let (query (nnnm--find-query group)) - (let* ((data (or (nnnm--group-data group) - (mapcar #'list (nnnm--search query "NOT tag:new")))) - (ids (nnnm--search query "tag:new")) - (nids (length ids)) - (new-data (mapcar (lambda (id) - (list id (nnnm--find-message-file id))) - ids))) - (when (> nids 0) - (nnnm--tag (nnnm--ids-query ids) "-new") - (nnheader-report 'nnnm "%s: %d new messages retrieved" group nids)) - (nnnm--set-group-data group (append data new-data)) - (nnnm--set-active (+ nids (length data)) group server) - (length ids)))) - - - -;;; Interface functions. - -(nnoo-define-basics nnnm) - -(defun nnnm-request-type (_group &optional _article) - 'mail) - -(deffoo nnnm-open-server (server &optional defs) - (nnoo-change-server 'nnnm server defs) - (setq nnnm--group-data nil) - (nnheader-report 'nnnm "Opened server %s" server) - t) - -(deffoo nnnm-close-server (_server) - (setq nnnm--group-data nil)) - -(deffoo nnnm-request-regenerate (_server) - (setq nnnm--group-data nil) - t) - -(deffoo nnnm-request-list (&optional _server) - (with-current-buffer nntp-server-buffer - (erase-buffer) - (dolist (s nnnm-saved-searches) - (when-let (query (plist-get s :query)) - (let ((name (plist-get s :name)) - (total (nnnm--count query))) - (insert (format "%s %d 1 y\n" name total)))))) - t) - -(deffoo nnnm-retrieve-headers (sequence &optional group server _fetch-old) - (when (nnnm--update-group-data group server) - (with-current-buffer nntp-server-buffer - (delete-region (point-min) (point-max)) - (let ((file-name-coding-system nnmail-pathname-coding-system) - (count -1)) - (if (stringp (car sequence)) - 'headers - (dolist (article sequence) - (when-let (file (nnnm-article-to-file article group)) - (insert (format "221 %d Article retrieved.\n" article)) - (save-excursion (nnheader-insert-head file)) - (if (re-search-forward "\n\r?\n" nil t) - (forward-char -1) - (goto-char (point-max)) - (insert "\n\n")) - (insert ".\n") - (delete-region (point) (point-max))) - (when (zerop (% (cl-incf count) 20)) - (nnheader-message 6 "nnnm: Receiving headers... %d%%" - (floor (* count 100.0) (length sequence))))) - (nnheader-fold-continuation-lines) - 'headers))))) - -(deffoo nnnm-request-article (id &optional group _server buffer) - (let* ((nntp-server-buffer (or buffer nntp-server-buffer)) - (file-name-coding-system nnmail-pathname-coding-system) - (d (nnnm--article-data id group)) - (id (car d)) - (file (when id (or (cadr d) (nnnm--find-message-file id))))) - (cond - ((not file) - (nnheader-report 'nnnm "No such article: %s" id)) - ((not (file-exists-p file)) - (nnheader-report 'nnnm "No such file: %s" file)) - ((not (save-excursion (nnmail-find-file file))) - (nnheader-report 'nnnm "Couldn't read file: %s" file)) - (t - (nnnm--tag id "-unread") - (nnheader-report 'nnnm "Article %s retrieved and tagged" id) - (cons group id))))) - -(deffoo nnnm-request-expire-articles (articles group &optional _server _force) - (let* ((articles (gnus-uncompress-range articles)) - (ids (mapcar (lambda (a) (car (nnnm--article-data a group))) articles))) - (when ids - (nnnm--tag (nnnm--ids-query ids) "+deleted") - (let ((data (nnnm--group-data group))) - (dolist (id ids) - (setq data - (cl-delete-if (lambda (d) (string= (car d) id)) data :count 1))) - (nnnm--set-group-data group data) - (nnnm--remove-articles-from-marks articles group server) - (nnnm--set-active (length data) group server))) - articles)) - -(deffoo nnnm-request-set-mark (group actions &optional _server) - (message "set marks: %s: %S" group actions) - actions) - -;; (deffoo nnnm-request-move-article -;; (article group server accept-form &optional last _move-is-internal) -;; (error "Not implemented yet")) - -(deffoo nnnm-request-group (group &optional server _dont-check info) - (nnheader-message 7 "nnnm: Opening %s -- %s" info group) - (if (nnnm--update-group-data group server) - (let ((n (length (nnnm--group-data group)))) - (with-current-buffer nntp-server-buffer - (erase-buffer) - (nnheader-insert "211 %d %d %d %s\n" n 1 n group) - n)) - (nnheader-report 'nnnm "Invalid group"))) - -(deffoo nnnm-request-newgroups (_date &optional server) - (nnnm-request-list server)) - -(deffoo nnnm-request-group-scan (group &optional server _info) - (nnnm--set-group-data group nil) - (nnnm--update-group-data group server)) - -(deffoo nnnm-request-scan (&optional group server) - (if group - (nnnm--update-group-data group server) - (setq nnnm--group-data nil))) - -(deffoo nnnm-request-create-group (group &optional _server _args) - (let ((query (read-string "Query: "))) - (add-to-list 'nnnm-saved-searches `(:name ,group :query ,query)))) - -;; (deffoo nnnm-request-rename-group (group new-name &optional _server) -;; (error "Not implemented yet")) - -(deffoo nnnm-close-group (_group &optional _server) t) - - - -(provide 'nnnm) -;;; nnnm.el ends here |