From df3396bd8f98eca3bf63550410d33cacf514830f Mon Sep 17 00:00:00 2001
From: Tom Willemse <tom@ryuslash.org>
Date: Sun, 5 Jun 2022 14:14:56 -0700
Subject: [PATCH] [oni-org] Search through the archive for project tasks

When I archive tasks I still want them to show up in the projects.
---
 oni-org/oni-org.el | 32 +++++++++++++++++++-------------
 1 file changed, 19 insertions(+), 13 deletions(-)

diff --git a/oni-org/oni-org.el b/oni-org/oni-org.el
index a1f9336..9f5cfaf 100644
--- a/oni-org/oni-org.el
+++ b/oni-org/oni-org.el
@@ -4,7 +4,7 @@
 
 ;; Author: Tom Willemse <tom@ryuslash.org>
 ;; Keywords: local
-;; Version: 2022.0526.181315
+;; Version: 2022.0602.214649
 ;; Package-Requires: (oni-yasnippet oni-alert oni-hydra org org-contrib org-bullets org-edna diminish all-the-icons olivetti mixed-pitch)
 
 ;; This program is free software; you can redistribute it and/or modify
@@ -828,24 +828,30 @@ This is an around advice for ‘org-html--svg-image’ as FUN."
 (add-hook 'org-property-allowed-value-functions #'oni-org-pick-project)
 
 (defun oni-org-dblock-write-project-steps (_params)
-  "Generate backlinks to org headings."
-  (let ((current-heading (nth 4 (org-heading-components)))
-        (current-heading-id
+  "Generate back-links to org headings."
+  (let ((current-heading-id
          (let ((properties (org-entry-properties)))
            (or (alist-get "CUSTOM_ID" properties nil nil #'string=)
                (org-id-get-create))))
+        (files (org-add-archive-files (list (buffer-file-name))))
         backlinks)
     (when (not (null current-heading-id))
       (save-excursion
-        (goto-char (point-min))
-        (while (re-search-forward
-                (rx (or (seq "[[id:" (literal current-heading-id) "]")
-                        (seq "#" (literal current-heading-id) "]")))
-                nil t)
-          (unless (or (oni-org-in-dblock-p)
-                      (oni-org-at-origin-property-p))
-            (let ((components (org-heading-components)))
-              (push (list (org-entry-is-done-p) (point) (nth 4 components)) backlinks))))))
+        (mapc (lambda (file)
+                (with-current-buffer (or (get-file-buffer file)
+                                         (progn
+                                           (find-file-noselect file)
+                                           (get-file-buffer file)))
+                  (goto-char (point-min))
+                  (while (re-search-forward
+                          (rx (or (seq "[[id:" (literal current-heading-id) "]")
+                                  (seq "#" (literal current-heading-id) "]")))
+                          nil t)
+                    (unless (or (oni-org-in-dblock-p)
+                                (oni-org-at-origin-property-p))
+                      (let ((components (org-heading-components)))
+                        (push (list (org-entry-is-done-p) (point) (nth 4 components)) backlinks))))))
+              files)))
     (insert (string-join
              (mapcar (lambda (link)
                        (concat "- " (if (car link) "[X]" "[ ]") " [[*" (caddr link) "][" (caddr link) "]]"))