Capture under heading

Question

If we have org file with datetree and repeating actions, how can I capture under last heading of some level. Let's say we have this:

* 2018
** 2018-W47
*** 2018-11-21 Wednesday    
**** Gym Session
** 2018-W48
*** 2018-12-01 Saturday
**** Running
*** 2018-12-02 Sunday
**** Gym Session

I want to create org-capture template which would put entry under last "Gym Session" from Sunday. This means I can't use heading, because it's not guaranteed to be unique. Is there some function like "org-last-heading-of-level-4" or something similar maybe? Thanks!

Answer 1

From your description the selection of the heading you want to add to is quite random. At least, the description of your work flow is not detailed enough for someone else to create a function that always finds the correct header.

I suggest that you use org-mode's clocking functionality to log into the task of under the right heading and use the current task capture template from the howardism blog to add more text:

(add-to-list 'org-capture-templates
             `("c" "Item to Current Clocked Task" item
               (clock)
               "%i%?" :empty-lines 1))

Answer 2

Again, this might not again be exactly what you want, but gives the kind of functionality you need. In your example, you want to add text to the end of the file.

I am using this function myself to add comments to a last captured org note in an org datetree file. The function simply goes to the end of the file so that I can write whatever I want:

(defun my/last-captured-org-note ()
  "Move to the last line of the last org capture note."
  (interactive)
  (find-file "~/Dropbox/org/notes.org")
  (goto-char (point-max)))

If the header you want is not the last one, you can add approriate search-backward and forward-line forms to the function to get there.