Filter Products by Attribute: Fix the page reload which happens when clicking the filter button on PHP templates

assets/js/blocks/attribute-filter/block.js

@@ -227,21 +227,74 @@ const AttributeFilterBlock = ( {
 		[ attributeTerms ]
 	);
 
+	/**
+	 * Appends query params to the current pages URL and redirects them to the new URL for PHP rendered templates.
+	 *
+	 * @param {Object} query The object containing the active filter query.
+	 * @param {boolean} allFiltersRemoved If there are active filters or not.
+	 */
+	const redirectPageForPhpTemplate = useCallback(
+		( query, allFiltersRemoved = false ) => {
+			if ( allFiltersRemoved ) {
+				const currentQueryArgKeys = Object.keys(
+					getQueryArgs( window.location.href )
+				);
+
+				const parsedTaxonomy = parseTaxonomyToGenerateURL(
+					attributeObject?.taxonomy
+				);
+
+				const url = currentQueryArgKeys.reduce(
+					( currentUrl, queryArg ) =>
+						queryArg.includes(
+							PREFIX_QUERY_ARG_QUERY_TYPE + parsedTaxonomy
+						) ||
+						queryArg.includes(
+							PREFIX_QUERY_ARG_FILTER_TYPE + parsedTaxonomy
+						)
+							? removeQueryArgs( currentUrl, queryArg )
+							: currentUrl,
+					window.location.href
+				);
+
+				const newUrl = formatParams( url, query );
+				window.location.href = newUrl;
+			} else {
+				const newUrl = formatParams( pageUrl, query );
+				const currentQueryArgs = getQueryArgs( window.location.href );
+				const newUrlQueryArgs = getQueryArgs( newUrl );
+
+				if ( ! isQueryArgsEqual( currentQueryArgs, newUrlQueryArgs ) ) {
+					window.location.href = newUrl;
+				}
+			}
+		},
+		[ pageUrl, attributeObject?.taxonomy ]
+	);
+
 	const onSubmit = useCallback(
 		( isChecked ) => {
 			if ( isEditor ) {
 				return;
 			}
 
-			updateAttributeFilter(
+			const query = updateAttributeFilter(
 				productAttributesQuery,
 				setProductAttributesQuery,
 				attributeObject,
 				getSelectedTerms( isChecked ),
 				blockAttributes.queryType === 'or' ? 'in' : 'and'
 			);
+
+			// This is for PHP rendered template filtering only.
+			if ( filteringForPhpTemplate && hasSetPhpFilterDefaults ) {
+				redirectPageForPhpTemplate( query, isChecked.length === 0 );
+			}
 		},
 		[
+			hasSetPhpFilterDefaults,
+			filteringForPhpTemplate,
+			redirectPageForPhpTemplate,
 			isEditor,
 			productAttributesQuery,
 			setProductAttributesQuery,
@@ -392,49 +445,25 @@ const AttributeFilterBlock = ( {
 					hasSetPhpFilterDefaults,
 				} )
 			) {
-				setChecked( [] );
-				const currentQueryArgKeys = Object.keys(
-					getQueryArgs( window.location.href )
-				);
-
-				const parsedTaxonomy = parseTaxonomyToGenerateURL(
-					attributeObject?.taxonomy
-				);
-
-				const url = currentQueryArgKeys.reduce(
-					( currentUrl, queryArg ) =>
-						queryArg.includes(
-							PREFIX_QUERY_ARG_QUERY_TYPE + parsedTaxonomy
-						) ||
-						queryArg.includes(
-							PREFIX_QUERY_ARG_FILTER_TYPE + parsedTaxonomy
-						)
-							? removeQueryArgs( currentUrl, queryArg )
-							: currentUrl,
-					window.location.href
-				);
-
-				const newUrl = formatParams( url, productAttributesQuery );
-				window.location.href = newUrl;
+				if ( ! blockAttributes.showFilterButton ) {
+					setChecked( [] );
+					redirectPageForPhpTemplate( productAttributesQuery, true );
+				}
 			}
 
-			setChecked( checked );
-			const newUrl = formatParams( pageUrl, productAttributesQuery );
-			const currentQueryArgs = getQueryArgs( window.location.href );
-			const newUrlQueryArgs = getQueryArgs( newUrl );
-
-			if ( ! isQueryArgsEqual( currentQueryArgs, newUrlQueryArgs ) ) {
-				window.location.href = newUrl;
+			if ( ! blockAttributes.showFilterButton ) {
+				setChecked( checked );
+				redirectPageForPhpTemplate( productAttributesQuery, false );
 			}
 		}
 	}, [
+		hasSetPhpFilterDefaults,
+		redirectPageForPhpTemplate,
 		filteringForPhpTemplate,
 		productAttributesQuery,
 		attributeObject,
 		checked,
-		blockAttributes.queryType,
-		pageUrl,
-		hasSetPhpFilterDefaults,
+		blockAttributes.showFilterButton,
 	] );
 
 	/**
@@ -445,24 +474,33 @@ const AttributeFilterBlock = ( {
 	 */
 	useEffect( () => {
 		if ( filteringForPhpTemplate ) {
+			const activeFilters = getActiveFilters(
+				filteringForPhpTemplate, attributeObject
+			);
 			if (
-				checked.length > 0 &&
+				activeFilters.length > 0 &&
 				! hasSetPhpFilterDefaults &&
 				! attributeTermsLoading
 			) {
 				setHasSetPhpFilterDefaults( true );
-				if ( ! blockAttributes.showFilterButton ) {
-					onSubmit( checked );
-				}
+				updateAttributeFilter(
+					productAttributesQuery,
+					setProductAttributesQuery,
+					attributeObject,
+					getSelectedTerms( activeFilters ),
+					blockAttributes.queryType === 'or' ? 'in' : 'and'
+				);
 			}
 		}
 	}, [
-		onSubmit,
+		productAttributesQuery,
+		setProductAttributesQuery,
+		attributeObject,
+		blockAttributes.queryType,
+		getSelectedTerms,
 		filteringForPhpTemplate,
-		checked,
 		hasSetPhpFilterDefaults,
 		attributeTermsLoading,
-		blockAttributes.showFilterButton,
 	] );
 
 	// Short-circuit if no attribute is selected.

assets/js/utils/attributes-query.js

@@ -57,6 +57,8 @@ export const removeAttributeFilterBySlug = (
  * @param {Object}   attribute      An attribute object.
  * @param {Array}    attributeTerms Array of term objects.
  * @param {string}   operator       Operator for the filter. Valid values: in, and.
+ *
+ * @return {Object} An attribute object.
  */
 export const updateAttributeFilter = (
 	query = [],
@@ -79,4 +81,6 @@ export const updateAttributeFilter = (
 		} );
 		setQuery( sortBy( returnQuery, 'attribute' ) );
 	}
+
+	return returnQuery;
 };