Implement a sorting dropdown

[devopstools_sPAZ]

Hello

We need to implement sort by date ascending/descending besides alphabetical sort.

It seems the sort functionality is not shipped with the plugin by default.

Can you please confirm. and if not is there a custom way to implement it (if so please attach related documentation)

Best Regards

[Ernest Marcinko]

Hi,

I’m afraid this is not possible, there is no sorting filter available as of now for the live results.

I usually recommend a customization or a custom code where possible, but this is a lot more complicated than that. The only way to achieve this is to fully implement it from top to bottom, which unfortunately takes more than a few lines of code.

It will be available though in a later release, as it is a planned feature within the filters section rework.

[devopstools_sPAZ]

thanks for your response.

if we created the date sort dropdown and made it adding the query parameters to the URL.

is there a way to hack into the search query to add the sorting parameters.

Best

[Ernest Marcinko]

On the search results page it is actually possible without any additional code, as it will recognize the $_GET['order'] and $_GET['orderby'] parameters.

All you need to do is append that to the end of URL as query parameters, like: ...&order=ASC&orderby=id

The possible supported values by default are:
order parameter: ASC, DESC
orderby parameter: id, post_id, product_id, popularity, post_popularity, product_popularity, rating, post_rating, product_rating, date, post_date, product_date, name, post_name, alphabetical, price, relevance

I suggest using these if you can. If you want you can custom code additional accepted values as you like, let me know and I will let you know a custom code snippet.

[devopstools_sPAZ]

Yes if you can provide me with a code snippet will help a lot.
Much appreciated.

[Ernest Marcinko]

Okay.

So say you have a single drop-down, which appends the “the_order” query variable, so the URL looks like this “…&the_order=yourvalue” on the results page. Then it is accessed on page load within the code via the $_GET['the_order'].

Here is a custom code snippet which handles that, it has examples for id, date, title, relevance and even string and numeric custom field based ordering:

// Custom ordering
add_filter(
	'asp_query_args',
	function ( $args ) {
		// The values allowed in the the_ordering variable
		$allowed_orderings = array(
			'relevance',
			'id',
			'id_reverse',
			'date',
			'date_reverse',
			'alpha',
			'alpha_reverse',
			'numeric_custom_field',
			'string_custom_field',
		);

		if ( !isset($_GET['the_order']) ) {
			return $args;
		}

		$ordering = sanitize_text_field( wp_unslash( $_GET['the_order'] ) );
		if ( !in_array($ordering, $allowed_orderings, true) ) {
			return $args;
		}

		switch ( $ordering ) {
			case 'id':
				$args['post_primary_order'] = 'id DESC';
				break;
			case 'id_reverse':
				$args['post_primary_order'] = 'id ASC';
				break;
			case 'date':
				$args['post_primary_order'] = 'post_date DESC';
				break;
			case 'date_reverse':
				$args['post_primary_order'] = 'post_date ASC';
				break;
			case 'alpha':
				$args['post_primary_order'] = 'post_title DESC';
				break;
			case 'alpha_reverse':
				$args['post_primary_order'] = 'post_title ASC';
				break;
			case 'numeric_custom_field':
				$args['post_primary_order']          = 'customfp DESC';
				$args['post_primary_order_metatype'] = 'numeric';
				$args['_post_primary_order_metakey'] = 'custom_field_name';
				break;
			case 'string_custom_field':
				$args['post_primary_order']          = 'customfp DESC';
				$args['post_primary_order_metatype'] = 'string';
				$args['_post_primary_order_metakey'] = 'custom_field_name';
				break;
			case 'relevance':
			default:
				$args['post_primary_order'] = 'relevance DESC';
				break;
		}

		return $args;
	}
);

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