Created
February 8, 2018 14:54
facetwp index a field in a related post type
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<?php | |
/** | |
** look up and index a value from a post relationship field | |
** set the datasource to the relationship field | |
** get the post id of that related post and use it to | |
** lookup its associated value | |
** for ACF you may want get_field() instead of get_post_meta() | |
** remember to do a full re-index after adding code | |
** check the wp_facetwp_index table if needed to see what values are being indexed | |
**/ | |
add_filter( 'facetwp_index_row', function( $params, $class ) { | |
if ( 'my_facet' == $params['facet_name'] ) { // change my_facet to name of your facet | |
$related_post_id = $params['facet_value']; // depnding on how your relationship field saves its data this might need to be changed or looked up from a different value | |
$params['facet_display_value'] = get_post_meta( $related_post_id, 'some_custom_field', true ); // lookup custom field | |
$params['facet_value'] = $params['facet_display_value']; | |
} | |
return $params; | |
}, 10, 2 ); |
There's now an official add-on that we've collaborated with FacetWP on:
https://github.com/FacetWP/facetwp-pods
It covers relationship fields and all other pod fields :)
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I'm curious why the
facet_display_value
andfacet_value
are the same in these examples, instead offacet_value
storing the ID?