Re: org-map-entries but with arguments?

[Matt Price <moptop99@gmail.com>]

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On Wed., Sep. 18, 2019, 9:42 p.m. John Kitchin, <jkitchin@andrew.cmu.edu>
wrote:

> You can get an alist of all the properties in an entry with
> org-entry-properties, and then you can let-alist these, or do something
> else. Here is an example that might be related.
>
> * test
>   :PROPERTIES:
>   :some-random-property: True
>   :END:
>
> #+BEGIN_SRC emacs-lisp :results code
> (org-entry-properties)
> #+END_SRC
>
> #+RESULTS:
> #+begin_src emacs-lisp
> (("CATEGORY" . "2019-09-18 21:33")
>  ("SOME-RANDOM-PROPERTY" . "True")
>  ("BLOCKED" . "")
>  ("FILE" . "/Users/jkitchin/Box
> Sync/kitchingroup/jkitchin/journal/2019/09/18 21:33/2019-09-18 21:33.org")
>  ("PRIORITY" . "B")
>  ("ITEM" . "test"))
> #+end_src
>
> #+BEGIN_SRC emacs-lisp
> (let-alist (cl-loop for (key . value) in (org-entry-properties)
>    collect (cons (intern key) value))
>  .SOME-RANDOM-PROPERTY)
> #+END_SRC
>
> #+RESULTS:
> : True
>
> John
>

Jeez, thanks John. For some reason when I first tried org-entry-properties
I thought it was only reporting back the standard properties, like ITEM.
And in any case I had forgotten how to convert strings to symbols. This is
enormously helpful.

>
> -----------------------------------
> Professor John Kitchin
> Doherty Hall A207F
> Department of Chemical Engineering
> Carnegie Mellon University
> Pittsburgh, PA 15213
> 412-268-7803
> @johnkitchin
> http://kitchingroup.cheme.cmu.edu
>
>
>
> On Wed, Sep 18, 2019 at 9:11 PM Matt Price <moptop99@gmail.com> wrote:
>
>>
>> Sorry, replied to Adam directly by accident.
>>
>> On Wed, Sep 18, 2019 at 8:32 PM Matt Price <moptop99@gmail.com> wrote:
>>
>>>
>>>
>>> On Wed, Sep 18, 2019 at 5:31 PM Adam Porter <adam@alphapapa.net> wrote:
>>>
>>>> Matt Price <moptop99@gmail.com> writes:
>>>>
>>>> > Is there a lisp trick for adding arguments to the function called by
>>>> > `org-map-entries`?
>>>> >
>>>> > I have the following function:
>>>> >
>>>> > (cl-defun org-lms-return-all-assignments (&optional (send-all nil)
>>>> (also-mail nil) (post-to-lms t) )
>>>> >   "By default mail all subtrees 'READY' to student recipients, unless
>>>> SEND-ALL is non-nil.
>>>> > In that case, send all marked 'READY' or 'TODO'."
>>>> >   (interactive)
>>>> >   (message "Mailing all READY subtrees to students")
>>>> >   (let ((send-condition
>>>> >          (if send-all
>>>> >              `(or (string= (org-element-property :todo-keyword item)
>>>> "READY")
>>>> >                   (string= (org-element-property :todo-keyword item)
>>>> "TODO") )
>>>> >            `(string= (org-element-property :todo-keyword item)
>>>> "READY")
>>>> >            )))
>>>> >     (org-map-entries
>>>> >      #'ol-send-just-one))
>>>> >   (org-cycle-hide-drawers 'all))
>>>> >
>>>> > I'd like to relay some of hte functions arguments to the one called
>>>> > internally to do the work.  ~(ol-send-just-one~ takes an ~also-mail~
>>>> > and a ~post-to-lms~ parameter,just like
>>>> > ~org-lms-return-all-assignments~, but I'm not sure how to trick
>>>> > org-map-entries into passing those arguments on. Any hints?  Thank
>>>> > you!
>>>>
>>>> Hi Matt,
>>>>
>>>> If I may, I think org-ql can help you here.  It should also work much
>>>> faster than org-map-entries, because it can skip to entries with the
>>>> desired to-do keywords (although you could also use the MATCH argument
>>>> to org-map-entries to improve its speed).  Try this function (untested):
>>>>
>>>> #+BEGIN_SRC elisp
>>>> (cl-defun org-lms-return-all-assignments-ql (&optional (send-all nil)
>>>> (also-mail nil) (post-to-lms t))
>>>>   "By default mail all subtrees 'READY' to student recipients, unless
>>>> SEND-ALL is non-nil.
>>>> In that case, send all marked 'READY' or 'TODO'."
>>>>   (interactive)
>>>>   (message "Mailing all READY subtrees to students")
>>>>   (let ((todo-keywords (if send-all
>>>>                            '("READY" "TODO")
>>>>                          '("READY"))))
>>>>     (org-ql-select (current-buffer)
>>>>       `(todo ,@todo-keywords)
>>>>       :action `(ol-send-just-one ,also-mail ,post-to-lms))))
>>>> #+END_SRC
>>>>
>>>> OK, this is pretty cool, thank you.  I took John's excellent suggestion
>>> of using a headline property to store the appropriate actions, but it makes
>>> sense to switch to org-ql if I can master the syntax (which seems awfully
>>> powerful).  One questions: does org-ql-select respect buffer narrowing?
>>> That would be important for me.
>>>
>>> Man, hard to hold all this stuff in my head.  ANd very hard to navigate
>>> my own code now that I see how ugly it is.
>>>
>>
>> Another question.  In place of a function or sexp,  the :action key
>> accepts the keyword "element" as a value, and will return a parsed
>> headline. Is it possible to then pass that value on to a function that will
>> be evaluated? I'm asking because I have a bunch of functions with very long
>> `let` sections in which information is extracted from a headline with
>> (org-entry-get). It would be nice to use John's plist trick (from the other
>> thread we're on) to, essentially, let-plist all the properties of the
>> headline. It would declutter my code significantly.
>>
>

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