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;;; ss-capture.el --- Capture configuration -*- lexical-binding: t; -*-
;;; Commentary:
;; Journal capture helpers and capture templates.
;;; Code:
(require 'calendar)
(require 'org)
(require 'org-capture)
(require 'ss-core)
(require 'ss-org)
(defun ss-journal-capture-time ()
"Return the effective timestamp for the current journal capture."
(or org-overriding-default-time
(org-capture-get :default-time)
(current-time)))
(defun ss-journal-calendar-date (&optional time)
"Return TIME as a Gregorian date list for datetree helpers."
(calendar-gregorian-from-absolute
(time-to-days (or time (current-time)))))
(defun ss-journal-year-heading (&optional time)
"Return the journal year heading text for TIME."
(format-time-string "%Y" (or time (current-time))))
(defun ss-journal-day-heading (&optional time)
"Return the journal day heading text for TIME."
(format-time-string "%Y-%m-%d %A" (or time (current-time))))
(defun ss-journal-find-or-create-heading (level heading)
"Move to HEADING at LEVEL, creating it when missing."
(goto-char (point-min))
(if (re-search-forward
(format "^%s %s$"
(make-string level ?*)
(regexp-quote heading))
nil t)
(goto-char (match-beginning 0))
(goto-char (point-max))
(unless (bolp)
(insert "\n"))
(insert (make-string level ?*) " " heading "\n")
(forward-line -1))
(org-back-to-heading t))
(defun ss-journal-goto-date (&optional time create)
"Move to TIME's journal date heading.
When CREATE is non-nil, create the datetree entry when missing."
(goto-char (point-min))
(if create
(let ((year-heading (ss-journal-year-heading time))
(day-heading (ss-journal-day-heading time)))
(ss-journal-find-or-create-heading 1 year-heading)
(save-restriction
(org-narrow-to-subtree)
(ss-journal-find-or-create-heading 2 day-heading))
t)
(when (re-search-forward
(format "^\\*\\* %s$"
(regexp-quote
(ss-journal-day-heading (or time (current-time)))))
nil t)
(goto-char (match-beginning 0))
t)))
(defun ss-journal-ensure-day-sections ()
"Ensure the standard section headings exist under the current journal day."
(org-back-to-heading t)
(let ((section-level (1+ (org-outline-level))))
(save-excursion
(save-restriction
(org-narrow-to-subtree)
(dolist (section ss-journal-section-headings)
(goto-char (point-min))
(forward-line 1)
(unless (re-search-forward
(format "^%s %s$"
(make-string section-level ?*)
(regexp-quote section))
nil t)
(goto-char (point-max))
(unless (bolp)
(insert "\n"))
(insert (make-string section-level ?*) " " section "\n")))))))
(defun ss-journal-goto-section (section &optional time)
"Move to SECTION beneath TIME's journal date, creating structure as needed."
(unless (member section ss-journal-section-headings)
(user-error "Unknown journal section: %s" section))
(ss-journal-goto-date time 'create)
(ss-journal-ensure-day-sections)
(let ((section-level (1+ (org-outline-level)))
position)
(save-restriction
(org-narrow-to-subtree)
(goto-char (point-min))
(when (re-search-forward
(format "^%s %s$"
(make-string section-level ?*)
(regexp-quote section))
nil t)
(setq position (match-beginning 0))))
(unless position
(user-error "Journal section not found: %s" section))
(goto-char position)
(org-back-to-heading t)))
(defun ss-journal-capture-target (section)
"Select SECTION under today's journal datetree entry for capture."
(set-buffer (find-file-noselect (ss-require-existing-file ss-journal-file)))
(widen)
(ss-journal-goto-section section (ss-journal-capture-time)))
(defun ss-capture--denote-templates ()
"Return Denote-backed capture templates when Denote is enabled."
(when (ss-feature-enabled-p 'denote)
`(("n" "Denote")
("nn" "Generic" plain
(file denote-last-path)
(function
(lambda ()
(denote-org-capture-with-prompts :title :keywords :subdirectory)))
:no-save t
:immediate-finish nil
:kill-buffer t
:jump-to-captured t)
("np" "Project" plain
(file denote-last-path)
(function
(lambda ()
(ss-denote-capture-in-directory
ss-org-projects-directory '("project") :title :keywords :subdirectory)))
:no-save t
:immediate-finish nil
:kill-buffer t
:jump-to-captured t)
("na" "Area" plain
(file denote-last-path)
(function
(lambda ()
(ss-denote-capture-in-directory
ss-org-areas-directory nil :title :keywords :subdirectory)))
:no-save t
:immediate-finish nil
:kill-buffer t
:jump-to-captured t)
("nr" "Resource" plain
(file denote-last-path)
(function
(lambda ()
(ss-denote-capture-in-directory
ss-org-resources-directory nil :title :keywords :subdirectory)))
:no-save t
:immediate-finish nil
:kill-buffer t
:jump-to-captured t))))
(defun ss-capture-setup ()
"Initialize capture templates."
(setq org-capture-templates
(append
'(("j" "Journal")
("jt" "Task" entry
(function (lambda () (ss-journal-capture-target "Tasks")))
"* TODO %?")
("jn" "Note" entry
(function (lambda () (ss-journal-capture-target "Notes")))
"* %?")
("jm" "Meeting" entry
(function (lambda () (ss-journal-capture-target "Meetings")))
"* <%<%Y-%m-%d %H:%M>> %?"))
(ss-capture--denote-templates))))
(provide 'ss-capture)
;;; ss-capture.el ends here
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