From 4ad52a17ba5bdf9b695c476ec55584cfd7941dbb Mon Sep 17 00:00:00 2001
From: jao <jao@gnu.org>
Date: Wed, 2 Mar 2022 03:30:55 +0000
Subject: jao-notmuch-gnus: new library for notmuch-gnus interop

---
 gnus.org | 83 +++++++++++++++-------------------------------------------------
 1 file changed, 19 insertions(+), 64 deletions(-)

(limited to 'gnus.org')

diff --git a/gnus.org b/gnus.org
index afd7110..1a5a9ea 100644
--- a/gnus.org
+++ b/gnus.org
@@ -380,82 +380,37 @@
 * Notmuch integration
 *** notmuch tags
     #+begin_src emacs-lisp
-      (defun jao-gnus-message-id ()
-        (when (derived-mode-p 'gnus-summary-mode)
-          (save-window-excursion (gnus-summary-show-article)))
-        (when gnus-original-article-buffer
-          (with-current-buffer gnus-original-article-buffer
-            (when-let (id (message-field-value "message-id"))
-              (if (string-match "<\\(.+\\)>" id)
-                  (match-string 1 id)
-                id)))))
-
-      (defun jao-gnus-message-tags (id)
-        (let ((cmd (format "notmuch search --output=tags 'id:%s'" id)))
-          (split-string (shell-command-to-string cmd))))
-
-      (defun jao-gnus-tag-message ()
-        (interactive)
-        (let* ((id (jao-gnus-message-id))
-               (current (jao-gnus-message-tags id))
-               (prompt (format "Change tags %s" (string-join current "/")))
-               (tags (notmuch-read-tag-changes current prompt)))
-          (notmuch-tag (concat "id:" id) tags)
-          (message "%s -> %s" current (jao-gnus-message-tags id))))
-
-      (defun jao-gnus-show-tags ()
-        (interactive)
-        (when-let (id (jao-gnus-message-id))
-          (message "%s" (string-join (jao-gnus-message-tags id) " "))))
-
-      (defun jao-gnus-toggle-tags (tags)
-        (let* ((id (jao-gnus-message-id))
-               (current (jao-gnus-message-tags id))
-               (tags (mapcar (lambda (x)
-                               (concat (if (member x current) "-" "+") x))
-                             tags)))
-          (notmuch-tag (concat "id:" id) tags)
-          (message "New tags: %s" (jao-gnus-message-tags id))))
+      (require 'jao-notmuch-gnus)
 
       (defun jao-gnus-toggle-todo ()
         (interactive)
-        (jao-gnus-toggle-tags '("todo")))
+        (jao-notmuch-gnus-toggle-tags '("todo")))
 
-      (define-key gnus-summary-mode-map (kbd "C-c T") #'jao-gnus-tag-message)
-      (define-key gnus-summary-mode-map (kbd "C-c t") #'jao-gnus-show-tags)
+      (define-key gnus-summary-mode-map (kbd "C-c T") #'jao-notmuch-gnus-tag-message)
+      (define-key gnus-summary-mode-map (kbd "C-c t") #'jao-notmuch-gnus-show-tags)
       (define-key gnus-summary-mode-map (kbd "C-c C-t") #'jao-gnus-toggle-todo)
 
     #+end_src
 *** notmuch -> gnus / consult-notmuch
     #+begin_src emacs-lisp
-      (defun jao-notmuch-goto-message-in-gnus ()
-        "Open a summary buffer containing the current notmuch article."
-        (interactive)
-        (let ((group (jao-maildir-file-to-group (notmuch-show-get-filename)
-                                                mail-source-directory))
-              (message-id (replace-regexp-in-string "^id:"
-                                                    ""
-                                                    (notmuch-show-get-message-id))))
-          (if (and group message-id)
-              (org-gnus-follow-link group message-id)
-            (message "Couldn't get relevant infos for switching to Gnus."))))
-
-      (defun jao-gnus-open-consult-candidate (candidate)
-        (consult-notmuch--preview candidate nil)
-        (with-current-buffer consult-notmuch--buffer-name
-          (jao-notmuch-goto-message-in-gnus)
-          (save-window-excursion (consult-notmuch--close-preview))))
-
-      (defun jao-gnus-consult-notmuch ()
-        (interactive)
-        (jao-gnus-open-consult-candidate (consult-notmuch--search)))
-
       (with-eval-after-load "notmuch-show"
         (define-key gnus-group-mode-map "z" #'jao-gnus-consult-notmuch)
         (define-key gnus-group-mode-map "Z" #'notmuch)
-        (define-key notmuch-show-mode-map (kbd "C-c C-c")
-                    #'jao-notmuch-goto-message-in-gnus))
-    #+end_src
+        (define-key notmuch-show-mode-map
+                    (kbd "C-c C-c")
+                    #'jao-notmuch-gnus-goto-message))
+
+      (defun jao-gnus-notmuch-export (query)
+        (notmuch-tree query nil nil "* consult-notmuch results *"))
+
+      (setq consult-notmuch-export-function #'jao-gnus-notmuch-export)
+
+      (with-eval-after-load "notmuch-tree"
+        (define-key notmuch-tree-mode-map
+                    (kbd "C-<return>")
+                    #'jao-notmuch-gnus-goto-message))
+
+  #+end_src
 * Groups buffer
   #+begin_src emacs-lisp
     ;; (setq gnus-group-line-format " %m%S%p%P:%~(pad-right 35)c %3y %B\n")
-- 
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