From 728d9e18b997bbba487e51501bf9161f6db3a72c Mon Sep 17 00:00:00 2001
From: Ashley Gibson <ashley@nosegraze.com>
Date: Thu, 20 May 2021 10:29:53 +0100
Subject: [PATCH] Add support for taxonomies. #250

---
 includes/class-book-grid-query.php | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/includes/class-book-grid-query.php b/includes/class-book-grid-query.php
index ef39baf7..b40fad31 100644
--- a/includes/class-book-grid-query.php
+++ b/includes/class-book-grid-query.php
@@ -146,6 +146,17 @@ protected function parse_args( $atts = array() ) {
 			);
 		}
 
+		// Taxonomies
+		foreach ( get_book_taxonomies( array( 'fields' => 'slug' ) ) as $taxonomy_slug ) {
+			if ( ! empty( $atts[ $taxonomy_slug ] ) && 'any' !== $atts[ $taxonomy_slug ] ) {
+				$this->args['tax_query'][] = array(
+					'taxonomy' => sanitize_text_field( $taxonomy_slug ),
+					'field'    => 'id',
+					'terms'    => absint( $atts[ $taxonomy_slug ] )
+				);
+			}
+		}
+
 	}
 
 	/**
@@ -166,4 +177,4 @@ public function get_results() {
 
 	}
 
-}
\ No newline at end of file
+}