Re: How to use `open` to handle `message:*` links on macOS

[Diego Zamboni <diego@zzamboni.org>]

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Hi Tim,

Cool - thanks for the code! I may use it to improve my email capture
workflow :)

--Diego


On Thu, Apr 29, 2021 at 6:23 PM Tim Visher <tim.visher@gmail.com> wrote:

> Hi Diego and Alexander,
>
> Thanks for the tips here. I finally got around to trying them out. Here's
> what I ended up with and it's working perfectly.
>
> (defun timvisher-org-link-mac-mail-open-link
>     (mid _)
>   (start-process "open-link" nil "open" (format "message://%%3C%s%%3E"
>                                                 mid)))
>
> (defun timvisher-org-link-mac-mail-add-message-links
>     ()
>   (org-link-set-parameters
>    "message" :follow #'timvisher-org-link-mac-mail-open-link))
>
> (eval-after-load 'org
>   '(timvisher-org-link-mac-mail-add-message-links))
>
> Pairing that with my org-capture TODO Current Mail Template is a dream
> come true. :)
>
> (defun timvisher-org-current-mail-get-selected-message-subject
>     ()
>   (with-temp-buffer
>     (call-process
>      "osascript" nil t nil
>      "-e" "tell application \"Mail\" to get subject of item 1 of (selection as list)")
>     (buffer-substring-no-properties (point-min) (- (point-max) 1))))
>
> (defun timvisher-org-current-mail-get-selected-message-id
>     ()
>   (with-temp-buffer
>     (call-process
>      "osascript" nil t nil
>      "-e" "tell application \"Mail\" to get message id of item 1 of (selection as list)")
>     (browse-url-url-encode-chars
>      (buffer-substring-no-properties (point-min) (- (point-max) 1))
>      "[/]")))
>
> (defun timvisher-org-current-mail-get-link-string
>     ()
>   (let ((subject (timvisher-org-current-mail-get-selected-message-subject))
>         (message-id (timvisher-org-current-mail-get-selected-message-id)))
>     (org-link-make-string (format "message:%s" message-id)
>                           subject)))
>
> (defun timvisher-org-current-mail-get-body-quote-template-element
>     ()
>   (let ((body (setq body (with-temp-buffer
>                  (call-process
>                   "osascript" nil t nil
>                   "-e" "tell application \"Mail\" to get content of item 1 of (selection as list)")
>                  (buffer-substring-no-properties (point-min) (- (point-max) 1))))))
>     (format "
>   #+begin_quote%s  #+end_quote"
>             (string-join
>              (seq-reduce
>               (lambda (acc next)
>                 (if (string= next (or (car (last acc)) ""))
>                     acc
>                   (append acc (list next))))
>               (mapcar (lambda (string)
>                         (let ((string (string-trim string)))
>                           (if (string= "" string)
>                               string
>                             (format "  %s" string))))
>                       (split-string body "\n"))
>               '())
>              "\n"))))
>
> (setq org-capture-templates
>       '(…
>         ("twcm" "TODO Work Current Mail" entry
>          (file+headline "~/Dropbox/todo/work.org" "Inbox")
>          "* TODO %(timvisher-org-current-mail-get-link-string)
>   %U%(timvisher-org-current-mail-get-body-quote-template-element)" :prepend t :immediate-finish t)
>         …))
>
> Thanks so much! :)
>

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