Tom Willemse
cff931be7e
By doing more of the filtering in SQL rather than Emacs Lisp it got a bit faster.
128 lines
4.7 KiB
EmacsLisp
128 lines
4.7 KiB
EmacsLisp
;;; oni-org-roam.el --- Configuration for org-roam -*- lexical-binding: t; -*-
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;; Copyright (C) 2021 Tom Willemse
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;; Author: Tom Willemse <tom@ryuslash.org>
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;; Keywords: local
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;; Version: 2023.0728.155508
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;; Package-Requires: (oni-org org-roam)
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;; This program 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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;; This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;; Configuration specific to ‘org-roam’. Add the following to your init file if
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;; you want to use this configuration:
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;;
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;; (with-eval-after-load 'org-roam (require 'oni-org-roam))
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;;; Code:
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(require 'org-roam)
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(require 'seq)
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(setq org-roam-completion-everywhere t)
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(setq org-roam-directory (expand-file-name "~/documents/exocortex/"))
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(add-hook 'org-roam-mode-hook 'visual-line-mode)
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(mkdir org-roam-directory t)
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(defun oni-org-roam-auto-toggle-roam-buffer (&optional _)
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"Show the ‘org-roam-buffer' if the current buffer is part of Roam."
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(if (or (string-prefix-p org-roam-directory (buffer-file-name))
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(string= (buffer-name) org-roam-buffer))
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(unless (get-buffer-window org-roam-buffer)
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(org-roam-buffer-toggle))
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(when (and (get-buffer-window org-roam-buffer)
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(not (window-minibuffer-p)))
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(org-roam-buffer-toggle))))
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;;; Taken from/inspired by
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;;; https://magnus.therning.org/2021-07-23-keeping-todo-items-in-org-roam-v2.html
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(defun oni-org-roam-update-todo-files (&rest _)
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"Set ‘org-agenda-files’ to all roam files with a task in them."
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(setq org-agenda-files (seq-uniq (append org-agenda-files (oni-org-roam--todo-files)))))
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(defun oni-org-roam--todo-files ()
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"Get a list of all the files in the org-roam database with tasks in them."
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(let ((nodes (seq-filter #'oni-org-roam--todo-node-p (org-roam-node-list))))
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(seq-uniq (seq-map #'org-roam-node-file nodes))))
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(defun oni-org-roam--todo-node-p (node)
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"Predicate to check whether or not NODE is task."
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(let ((state (org-roam-node-todo node)))
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(and (not (null state))
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(not (string= state "FINISHED")))))
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(defun oni-org-roam--books-to-read ()
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(org-roam-db-query (concat "select properties, file, title, group_concat(tag) as node_tags "
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"from nodes "
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"left join tags on node_id=id "
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"group by id "
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"having node_tags like '%%\"book\"%%' "
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"and node_tags like '%%\"unread\"%%' "
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"order by title")))
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(defun oni-org-roam-list-books-to-read ()
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(interactive)
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(let ((buffer (get-buffer-create "*books-to-read*")))
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(with-current-buffer buffer
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(erase-buffer)
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(save-excursion
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(mapc (lambda (item) (insert "- [["(cadr item) "]["
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(caddr item) "]]\n"))
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(oni-org-roam--books-to-read))
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(org-mode)
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(view-mode)))
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(switch-to-buffer buffer)))
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(defun oni-org-roam-random-book-to-read ()
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(interactive)
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(find-file (cadr (seq-random-elt (oni-org-roam--books-to-read)))))
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(add-to-list 'display-buffer-alist
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`(,(rx string-start "*org-roam*" string-end)
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display-buffer-in-side-window
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(side . right)
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(slot . 0)
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(window-width . 66)))
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(add-hook 'window-state-change-hook #'oni-org-roam-auto-toggle-roam-buffer)
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(advice-add 'org-agenda :before #'oni-org-roam-update-todo-files)
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;;; These two properties are used a lot when working in ‘org-roam'. ‘ROAM_REFS'
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;;; is used to specify a URL that (if pointed to) should be considered a
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;;; reference to a particular note. ‘ROAM_ALIASES' sets up additional names for
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;;; a note.
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(add-to-list 'org-default-properties "ROAM_REFS")
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(add-to-list 'org-default-properties "ROAM_ALIASES")
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;;;###autoload
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(setq org-roam-v2-ack t)
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(setq org-roam-node-display-template
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(concat "${title:*} "
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(propertize "${tags:10}" 'face 'org-tag)))
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;; Only display unique references in the org-roam buffer.
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(setq org-roam-mode-sections
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(cons '(org-roam-backlinks-section :unique t)
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(delete 'org-roam-backlinks-section org-roam-mode-sections)))
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(org-roam-db-autosync-mode)
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(provide 'oni-org-roam)
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;;; oni-org-roam.el ends here
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