move-nsl-avatars-in-hf-folder.php

<?php
function set_media_folder($pid = ""){
	if(empty($pid)) return;
	if(get_post_type($pid) == "attachment"){
		if(($path = get_attached_file($pid)) && str_contains($path,"nsl_avatars")) {
			if ( $term_avatars = get_term_by( 'slug', 'avatare', 'happyfiles_category' ) )
				wp_set_object_terms( $pid, $term_avatars->term_id, 'happyfiles_category' );
			
			wp_update_post([
				'ID'         => $pid,
				'post_title' => __("User-Avatar","myb")
			]);
		}
	}
}
add_action('add_attachment','set_media_folder',30);