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;;; oni-org-roam.el --- Configuration for org-roam -*- lexical-binding: t; -*-
;; Copyright (C) 2021 Tom Willemse
;; Author: Tom Willemse <tom@ryuslash.org>
;; Keywords: local
;; Version: 2024.0212.234817
;; Package-Requires: (oni-org org-roam)
;; 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:
;; Configuration specific to ‘org-roam’. Add the following to your init file if
;; you want to use this configuration:
;;
;; (with-eval-after-load 'org-roam (require 'oni-org-roam))
;;; Code:
(require 'org-roam)
(require 'seq)
(setq org-roam-completion-everywhere t)
(setq org-roam-directory (expand-file-name "~/documents/exocortex-novus/reference/"))
(add-hook 'org-roam-mode-hook 'visual-line-mode)
(mkdir org-roam-directory t)
(defun oni-org-roam-auto-toggle-roam-buffer (&optional _)
"Show the ‘org-roam-buffer' if the current buffer is part of Roam."
(if (or (string-prefix-p org-roam-directory (buffer-file-name))
(string= (buffer-name) org-roam-buffer))
(unless (get-buffer-window org-roam-buffer)
(org-roam-buffer-toggle))
(when (and (get-buffer-window org-roam-buffer)
(not (window-minibuffer-p)))
(org-roam-buffer-toggle))))
(defun oni-org-roam--books-to-read ()
(org-roam-db-query (concat "select properties, file, title, group_concat(tag) as node_tags "
"from nodes "
"left join tags on node_id=id "
"group by id "
"having node_tags like '%%\"book\"%%' "
"and node_tags like '%%\"unread\"%%' "
"order by title")))
(defun oni-org-roam-list-books-to-read ()
(interactive)
(let ((buffer (get-buffer-create "*books-to-read*")))
(with-current-buffer buffer
(erase-buffer)
(save-excursion
(mapc (lambda (item) (insert "- [["(cadr item) "]["
(caddr item) "]]\n"))
(oni-org-roam--books-to-read))
(org-mode)
(view-mode)))
(switch-to-buffer buffer)))
(defun oni-org-roam-random-book-to-read ()
(interactive)
(find-file (cadr (seq-random-elt (oni-org-roam--books-to-read)))))
(add-to-list 'display-buffer-alist
`(,(rx string-start "*org-roam*" string-end)
display-buffer-in-side-window
(side . right)
(slot . 0)
(window-width . 66)))
;;; These two properties are used a lot when working in ‘org-roam'. ‘ROAM_REFS'
;;; is used to specify a URL that (if pointed to) should be considered a
;;; reference to a particular note. ‘ROAM_ALIASES' sets up additional names for
;;; a note.
(add-to-list 'org-default-properties "ROAM_REFS")
(add-to-list 'org-default-properties "ROAM_ALIASES")
;;;###autoload
(setq org-roam-v2-ack t)
(setq org-roam-node-display-template
(concat "${title:*} "
(propertize "${tags:10}" 'face 'org-tag)))
;; Only display unique references in the org-roam buffer.
(setq org-roam-mode-sections
(cons '(org-roam-backlinks-section :unique t)
(delete 'org-roam-backlinks-section org-roam-mode-sections)))
;; Show only the current element, not the whole heading for the org-roam-buffer
;; preview.
(defun oni-org-roam-preview-element-function ()
(let ((element (org-element-at-point)))
(buffer-substring-no-properties (org-element-property :begin element)
(org-element-property :end element))))
(setq org-roam-preview-function #'oni-org-roam-preview-element-function)
(org-roam-db-autosync-mode)
(provide 'oni-org-roam)
;;; oni-org-roam.el ends here
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