Simplified my org journaling code
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Howard Abrams
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1 changed files with 86 additions and 50 deletions
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@ -25,33 +25,50 @@ A literate programming configuration file for extending the Journaling capabilit
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;;; Code:
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#+end_src
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* Introduction
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Using the [[https://github.com/bastibe/org-journal][org-journal]] project to easily create /daily/ journal entries:
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I used to use the [[https://github.com/bastibe/org-journal][org-journal]] project to create /daily/ journal entries, but what I like is one file per journal entry, and that project did more than I needed. I made my own.
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#+begin_src emacs-lisp
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(use-package org-journal
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:after org
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:config
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(setq org-journal-dir "~/journal"
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org-journal-date-format " "
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org-journal-time-format ""
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org-journal-file-type 'daily
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org-journal-file-format "%Y%m%d")
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My requirements are simple:
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1. A directory of entries, =~/journal=. Each file is based on the date, e.g. =20241228= or =20130401=.
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2. A minor mode to identify a journal entry as opposed to a regular org file.
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Where do I store these?
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#+BEGIN_SRC emacs-lisp
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(defvar org-journal-dir (expand-file-name "~/journal")
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"Location of Journal entries, org files.")
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#+END_SRC
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And what identifies a Journal file?
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#+BEGIN_SRC emacs-lisp
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(defvar org-journal-rx (rx (group (= 4 digit))
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(optional "-")
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(group (= 2 digit))
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(optional "-")
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(group (= 2 digit)))
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"A regular expression that identifies journal file entries.")
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#+END_SRC
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And a function to create a new entry:
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#+BEGIN_SRC emacs-lisp
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(defun org-journal-new-entry ()
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"Opens today's journal entry file."
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(interactive)
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(find-file (expand-file-name (format-time-string "%Y%m%d")
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org-journal-dir)))
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#+END_SRC
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And connect files that /look/ like a Journal entry with =org-mode=:
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#+BEGIN_SRC emacs-lisp
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(add-to-list 'auto-mode-alist `(,org-journal-rx . org-mode))
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#+END_SRC
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And pull ‘er up:
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#+BEGIN_SRC emacs-lisp
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(ha-leader "f j" '("journal" . org-journal-new-entry))
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;; In normal Org file, I like large headers, but in my Journal,
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;; where each task is a header, I want them smaller:
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(add-hook 'org-journal-mode-hook
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(lambda ()
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(set-face-attribute 'org-level-1 nil :height 1.2)
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(set-face-attribute 'org-level-2 nil :height 1.1)
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(set-face-attribute 'org-level-3 nil :height 1.0)))
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;; But new files could use /my formatting/ (which is different
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;; than the options available in the project):
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(ha-auto-insert-file (rx "journal/" (zero-or-more any) (= 8 digit)) "journal"))
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#+end_src
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#+END_SRC
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This depends on the following [[file:~/.doom.d/snippets/org-journal-mode/__journal][snippet/template file]]:
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@ -59,48 +76,57 @@ This depends on the following [[file:~/.doom.d/snippets/org-journal-mode/__journ
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#+title: Journal Entry- `(ha-journal-file-datestamp)`
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$0
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#+end_src
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And the code to connect that template to those files:
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#+BEGIN_SRC emacs-lisp
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(ha-auto-insert-file (rx "journal/" (regexp org-journal-rx)) "journal"))
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#+END_SRC
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Note that when I create a new journal entry, I want a title that should insert a date to match the file's name, not necessarily the current date (see below).
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* Journal Filename to Date
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Since the Journal's filename represents a date, I should be able to get the "date" associated with a file.
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#+begin_src emacs-lisp
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(defun ha-journal-file-date (&optional datename)
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"Returns a Lisp date-timestamp based on the format of the current filename,
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or DATENAME if given."
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"Return a Lisp date-timestamp from current filename.
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If DATENAME is given, return that timestamp."
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(unless datename
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(setq datename (buffer-file-name)))
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(setq datename (file-name-base (buffer-file-name))))
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(let* ((datename-parser (rx (group (= 4 digit))
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(group (= 2 digit))
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(group (= 2 digit))))
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(parsed-datename (string-match datename-parser datename))
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(day (string-to-number (match-string 3 datename)))
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(month (string-to-number (match-string 2 datename)))
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(year(string-to-number (match-string 1 datename))))
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(encode-time 0 0 0 day month year)))
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(when (string-match org-journal-rx datename)
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(let ((day (string-to-number (match-string 3 datename)))
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(month (string-to-number (match-string 2 datename)))
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(year(string-to-number (match-string 1 datename))))
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(encode-time 0 0 0 day month year))))
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#+end_src
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And some unit tests to validate this function:
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#+begin_src emacs-lisp :tangle no
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(ert-deftest ha-journal-file-date-test ()
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(should (equal (ha-journal-file-date "20240817") '(26304 19056)))
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(should (equal (ha-journal-file-date "2024-08-17") '(26304 19056))))
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#+end_src
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Using the "date" associated with a file, we can create our standard timestamp:
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#+begin_src emacs-lisp
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(defun ha-journal-file-datestamp (&optional datename)
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"Return a string of the buffer's date (based on the file's name)."
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"Return date string of DATENAME if given.
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If nil, use the buffer's filename's date."
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(format-time-string "%e %b %Y (%A)" (ha-journal-file-date datename)))
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#+end_src
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* Journal Capture
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Capturing a task (that when uncompleted, would then spillover to following days) could go to the daily journal entry. This requires a special function that opens today's journal, but specifies a non-nil prefix argument in order to inhibit inserting the heading, as =org-capture= will insert the heading.
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#+begin_src emacs-lisp
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(defun org-journal-find-location ()
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(org-journal-new-entry t)
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(org-narrow-to-subtree)
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(org-journal-new-entry)
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(goto-char (point-max)))
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(defvar org-capture-templates (list))
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(add-to-list 'org-capture-templates
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'("j" "Journal Task/Entry" plain
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(function org-journal-find-location)
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@ -111,16 +137,18 @@ Capturing a task (that when uncompleted, would then spillover to following days)
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Sometimes it is obvious what is the /next file/ based on the one I'm currently reading. For instance, in my journal entries, the filename is a number that can be incremented. Same with presentation files...
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#+begin_src emacs-lisp
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(defun split-string-with-number (string)
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"Returns a list of three components of the string, the first is
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the text prior to any numbers, the second is the embedded number,
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and the third is the rest of the text in the string."
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(let* ((start (string-match "[0-9]+" string))
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(end (string-match "[^0-9]+" string start)))
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(if start
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(list (substring string 0 start)
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(substring string start end)
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(if end (substring string end) "")))))
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(defun split-string-with-number (str)
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"Return list of three components of string, STR.
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The first is the text prior to any numbers, The second is the
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embedded number, and the third is the rest of the text in the
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string."
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(let* ((ms (string-match (rx (one-or-more digit)) str)))
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(when ms
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(list (substring str 0 ms)
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(match-string 0 str)
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(substring str
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(+ ms
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(length (match-string 0 str))))))))
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#+end_src
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Which means that the following defines this function:
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@ -170,6 +198,14 @@ And this allows us to create two simple functions that can load the "next" and "
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(interactive)
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(find-file (find-file-number-change '1-)))
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#+end_src
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And we could bind those:
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#+BEGIN_SRC emacs-lisp
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(ha-leader "f +" '("next file" . find-file-increment)
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"f -" '("previous file" . find-file-decrement))
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#+END_SRC
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* Technical Artifacts :noexport:
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Let's =provide= a name so we can =require= this file.
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