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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
;; | |
;; BACK UP YOUR LOGSEQ DIR BEFORE RUNNING THIS! | |
;; | |
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
;; Copyright (C) Aug 4 2022, William R. Burdick Jr. | |
;; | |
;; LICENSE | |
;; This code is dual-licensed with MIT and GPL licenses. | |
;; Take your pick and abide by whichever license appeals to you. | |
;; | |
;; logseq compatibility | |
;; put ids and titles at the tops of non-journal files | |
;; change fuzzy links from [[PAGE]] to [[id:2324234234][PAGE]] | |
;; also change file links to id links, provided that the links | |
;; expand to file names that have ids in the roam database. | |
;; | |
;; NOTE: this currently only converts fuzzy links. | |
;; If you have the setting :org-mode/insert-file-link? true in your Logseq config, | |
;; it won't convert the resulting links. | |
;; | |
;; Your logseq directory should be inside your org-roam directory, | |
;; put the directory you use here | |
(defvar bill/logseq-folder (f-expand (f-join org-roam-directory "zettel"))) | |
;; You probably don't need to change these values | |
(defvar bill/logseq-pages (f-expand (f-join bill/logseq-folder "pages"))) | |
(defvar bill/logseq-journals (f-expand (f-join bill/logseq-folder "journals"))) | |
;;(defvar bill/rich-text-types [bold italic subscript link strike-through superscript underline inline-src-block footnote-reference inline-babel-call entity]) | |
(defvar bill/rich-text-types '(bold italic subscript link strike-through superscript underline inline-src-block)) | |
(defun bill/textify (headline) | |
(save-excursion | |
(apply 'concat (flatten-list | |
(bill/textify-all (org-element-property :title headline)))))) | |
(defun bill/textify-all (nodes) (mapcar 'bill/subtextify nodes)) | |
(defun bill/with-length (str) (cons (length str) str)) | |
(defun bill/subtextify (node) | |
(cond ((not node) "") | |
((stringp node) (substring-no-properties node)) | |
((member (org-element-type node) bill/rich-text-types) | |
(list (bill/textify-all (cddr node)) | |
(if (> (org-element-property :post-blank node)) | |
(make-string (org-element-property :post-blank node) ?\s) | |
""))) | |
(t ""))) | |
(defun bill/logseq-journal-p (file) (string-match-p (concat "^" bill/logseq-journals) file)) | |
(defun bill/ensure-file-id (file) | |
"Visit an existing file, ensure it has an id, return whether the a new buffer was created" | |
(setq file (f-expand file)) | |
(if (bill/logseq-journal-p file) | |
`(nil . nil) | |
(let* ((buf (get-file-buffer file)) | |
(was-modified (buffer-modified-p buf)) | |
(new-buf nil) | |
has-data | |
org | |
changed | |
sec-end) | |
(when (not buf) | |
(setq buf (find-file-noselect file)) | |
(setq new-buf t)) | |
(set-buffer buf) | |
(setq org (org-element-parse-buffer)) | |
(setq has-data (cddr org)) | |
(goto-char 1) | |
(when (not (and (eq 'section (org-element-type (nth 2 org))) (org-roam-id-at-point))) | |
;; this file has no file id | |
(setq changed t) | |
(when (eq 'headline (org-element-type (nth 2 org))) | |
;; if there's no section before the first headline, add one | |
(insert "\n") | |
(goto-char 1)) | |
(org-id-get-create) | |
(setq org (org-element-parse-buffer))) | |
(when (nth 3 org) | |
(when (not (org-collect-keywords ["title"])) | |
;; no title -- ensure there's a blank line at the section end | |
(setq changed t) | |
(setq sec-end (org-element-property :end (nth 2 org))) | |
(goto-char (1- sec-end)) | |
(when (and (not (equal "\n\n" (buffer-substring-no-properties (- sec-end 2) sec-end)))) | |
(insert "\n") | |
(goto-char (1- (point))) | |
(setq org (org-element-parse-buffer))) | |
;; copy the first headline to the title | |
(insert (format "#+title: %s" (string-trim (bill/textify (nth 3 org))))))) | |
;; ensure org-roam knows about the new id and/or title | |
(when changed (save-buffer)) | |
(cons new-buf buf)))) | |
(defun bill/convert-logseq-file (buf) | |
"convert fuzzy and file:../pages logseq links in the file to id links" | |
(save-excursion | |
(let* (changed | |
link) | |
(set-buffer buf) | |
(goto-char 1) | |
(while (search-forward "[[" nil t) | |
(setq link (org-element-context)) | |
(setq newlink (bill/reformat-link link)) | |
(when newlink | |
(setq changed t) | |
(goto-char (org-element-property :begin link)) | |
(delete-region (org-element-property :begin link) (org-element-property :end link)) | |
;; note, this format string is reall =[[%s][%s]]= but =%= is a markup char so one's hidden | |
(insert newlink))) | |
;; ensure org-roam knows about the changed links | |
(when changed (save-buffer))))) | |
(defun bill/reformat-link (link) | |
(let (filename | |
id | |
linktext | |
newlink) | |
(when (eq 'link (org-element-type link)) | |
(when (equal "fuzzy" (org-element-property :type link)) | |
(setq filename (f-expand (f-join bill/logseq-pages | |
(concat (org-element-property :path link) ".org")))) | |
(setq linktext (org-element-property :raw-link link))) | |
(when (equal "file" (org-element-property :type link)) | |
(setq filename (f-expand (org-element-property :path link))) | |
(if (org-element-property :contents-begin link) | |
(setq linktext (buffer-substring-no-properties | |
(org-element-property :contents-begin link) | |
(org-element-property :contents-end link))) | |
(setq linktext (buffer-substring-no-properties | |
(+ (org-element-property :begin link) 2) | |
(- (org-element-property :end link) 2))))) | |
(when (and filename (f-exists-p filename)) | |
(setq id (caar (org-roam-db-query [:select id :from nodes :where (like file $s1)] | |
filename))) | |
(when id | |
(setq newlink (format "[[id:%s][%s]]%s" | |
id | |
linktext | |
(if (> (org-element-property :post-blank link)) | |
(make-string (org-element-property :post-blank link) ?\s) | |
""))) | |
(when (not (equal newlink | |
(buffer-substring-no-properties | |
(org-element-property :begin link) | |
(org-element-property :end link)))) | |
newlink)))))) | |
(defun bill/roam-file-modified-p (file-path) | |
(let ((content-hash (org-roam-db--file-hash file-path)) | |
(db-hash (caar (org-roam-db-query [:select hash :from files | |
:where (= file $s1)] file-path)))) | |
(not (string= content-hash db-hash)))) | |
(defun bill/modified-logseq-files () | |
(emacsql-with-transaction (org-roam-db) | |
(seq-filter 'bill/roam-file-modified-p | |
(org-roam--list-files bill/logseq-folder)))) | |
(defun bill/check-logseq () | |
(interactive) | |
(let (created | |
files | |
bufs | |
unmodified | |
cur | |
bad | |
buf) | |
(setq files (org-roam--list-files bill/logseq-folder)) | |
;; make sure all the files have file ids | |
(dolist (file-path files) | |
(setq file-path (f-expand file-path)) | |
(setq cur (bill/ensure-file-id file-path)) | |
(setq buf (cdr cur)) | |
(push buf bufs) | |
(when (and (not (bill/logseq-journal-p file-path)) (not buf)) | |
(push file-path bad)) | |
(when (not (buffer-modified-p buf)) | |
(push buf unmodified)) | |
(when (car cur) | |
(push buf created))) | |
;; patch fuzzy links | |
(mapc 'bill/convert-logseq-file (seq-filter 'identity bufs)) | |
(dolist (buf unmodified) | |
(when (buffer-modified-p buf) | |
(save-buffer unmodified))) | |
(mapc 'kill-buffer created) | |
(when bad | |
(message "Bad items: %s" bad)) | |
nil)) |
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