Use meta field for taxonomy value display

Leo Joskowicz

#30908

I’m using the Co-Authors Plus plugin. I want to be able to search by author name.

Co-Authors Plus saves author information in a custom Author Taxonomy (not in the post meta). Details -> https://vip.wordpress.com/documentation/list-posts-by-a-co-author/

I successfully added this as a filter using the “Taxonomy” option in the form builder. However, on the front-end, it’s displaying the author slug, not the display name, saved as Meta Key / Name “cap-display-name”. I can access this through the “Post Meta” option on the form builder, but it doesn’t actually effect the filtering of the posts.

So my question is: Can I key the auto-generated taxonomy list to use a post meta key for displaying values?

Example live at: http://www.cs.huji.ac.il/labs/casmip/research/publications-search/

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Leo Joskowicz

#31507

I would appreciate an answer regarding this, even it is a negative answer.

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Ross Moderator

#31520

Hey Leo

I was just looking into something which might help you.

So it sounds like the plugin is using Taxonomies in the regular way, but to store addition info about authors its saving that across into Post Meta.

At the moment linking the two is not possible, but I’ve been looking at adding in a filter to html output of all the fields.

Its a bit tricky at the moment but I need to investigate further how this can be done effectively, so you get access to the values as well as the html – in and organised manner that can be applied to every field type.

Will take a little while before I get to develop something robust but its definitely on the todo list.

Thanks

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Leo Joskowicz

#32014

Thanks Ross, appreciate the prompt reply. Looking forward!

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Ross Moderator

#32024

Turns out this feature is almost done 😉 Want to try the dev version when its ready tonight/tomorrow?

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davide notarantonio

#48585

Hi, i have the same problem, use co-authors plus and nedd to list authors by taxonomy but make them view by display name and not by slug. Are there any news about this?
Thanks

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Ross Moderator

#48626

Hey Davide

I think this will be possible – there is a filter that allows you to modify any field

http://www.designsandcode.com/documentation/search-filter-pro/action-filter-reference/#Filter_Input_Object

There is a really extensive example here:
https://gist.github.com/rmorse/7b59b45a14b1ca179868

To see how to change the labels of the options this one is probably your best starting point
https://support.searchandfilter.com/forums/topic/change-post-type-labels/#post-40004

🙂

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davide notarantonio

#48787

Hi, thanks, in your example it’s explained how to change a single label (from Media to Photos), but in this case, as the case of the user that began this thread, i need to print the displayname instead of slugs, so i need to change all the labels, obviously by code, while searching taxonomy auhtor fields. Is there a way to do this (or the way is in the docs you posted me?).

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Jon Watson

#48857

I’m struggling with this one, as well. I’ve been playing around with it for a couple of hours but have yet to come up with a solution. Will keep you posted if I do!

Here’s what I’ve figured out thus far:

Co-Authors Plus stores its data in terms under the custom taxonomy of ‘author’.

Search & Filter Pro retrieves the ‘name’ field of each author:

But we don’t want this field, we want the display name.

Co-Authors Plus itself doesn’t seem to store the display name, so we’ll need to use the value of the meta “name” field to retrieve it using a process along the lines of:

	$author = 'corrado.poli'; // This is the value we're returning at the moment (user login) via $input_object['name']

	$user = get_user_by( 'login', $author ); // Uses user login (the value that Search & Filter Pro is returning) to fetch user meta

	echo 'User is ' . $user->display_name; // Returns the display name (e.g. Corrado Poli) from the user meta

Thus far I figure we need to use if ($sfid == 123 && $input_object[‘taxonomy’] == ‘author’) {} and find some way of filtering the name field and replacing it with the display name.

I’ll keep playing, but any advice from the coding wizards at Search & Filter Pro would be MUCH appreciated! 🙂

Cheers me dears!

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Jon Watson

#48858

Whoops! Nope, being an idiot. Ignore what I said about input taxonomy. That was a load of old hogswash. Would help if slowed down for a second to realise just how the filter (and the plugin) worked!

Getting closer:

function filter_function_name($input_object, $sfid) {

	if ($input_object['name'] == '_sft_author') {

		global $coauthors_plus;
		
		//udpate this field before rendering

			foreach($input_object['options'] as $key => $option) {

				$user = $coauthors_plus->get_coauthor_by( 'user_nicename', $option );

    			$input_object['options'][$key]->label = $user->display_name;

        	}

	}
	
	return $input_object;

}

add_filter('sf_input_object_pre', 'filter_function_name', 10, 2);

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