Customizing AppThemes Vantage Theme Permalink Structure For SEO Friendliness

functions.php

remove_filter('template_redirect', 'redirect_canonical');
   
/***************************************************************************
  // Adding a new rule
****************************************************************************/

add_filter( 'rewrite_rules_array','kv_listing_rewrite_rules' );

function kv_listing_rewrite_rules( $rules ) {
    $newrules = array();
    $newrules['listing/(.+?)/(.+?)/(.+?)/page/([0-9]+)?/?$'] = 'index.php?post_type=listing&listing_category=$matches[1]&state=$matches[2]&city=$matches[3]&paged=$matches[4]';
    $newrules['listing/(.+?)/(.+?)/page/([0-9]+)?/?$'] = 'index.php?post_type=listing&listing_category=$matches[1]&state=$matches[2]&paged=$matches[3]'; 
    $newrules['listing/(.+?)/page/([0-9]+)?/?$'] = 'index.php?post_type=listing&listing_category=$matches[1]&paged=$matches[2]';
    $newrules['listing/(.+?)/(.+?)/(.+?)/(.+?)$'] = 'index.php?post_type=listing&listing_category=$matches[1]&state=$matches[2]&city=$matches[3]&name=$matches[4]';
    $newrules['listing/(.+?)/(.+?)/(.+?)$'] = 'index.php?post_type=listing&listing_category=$matches[1]&state=$matches[2]&city=$matches[3]';    
    $newrules['listing/(.+?)/(.+?)$'] = 'index.php?post_type=listing&listing_category=$matches[1]&state=$matches[2]';    
    $newrules['listing/(.+?)$'] = 'index.php?post_type=listing&listing_category=$matches[1]';
    
    return $newrules + $rules;
}

/***************************************************************************
 // Adding the state city var so that WP recognizes it
****************************************************************************/

add_filter( 'query_vars','kv_query_vars' );
   
 function kv_query_vars( $vars ) {
    array_push($vars, 'state');
    array_push($vars, 'city');
    return $vars;
}

/***************************************************************************
// Adding rewrite tags
****************************************************************************/

add_action('generate_rewrite_rules', 'kv_add_rewrite_tags');

function kv_add_rewrite_tags(){
	global $wp_rewrite;
	$wp_rewrite->add_rewrite_tag( '%state%',  '([^/]+)', 'state=');
	$wp_rewrite->add_rewrite_tag( '%city%',  '([^/]+)', 'city=');
}


/***************************************************************************
// Altering the permalinks
****************************************************************************/

add_filter('post_type_link', 'kv_post_link', 10 , 3);

function kv_post_link($permalink, $post, $leavename){
	if($post->post_type == 'listing'){

		if($post->post_status == 'publish'){
	   		$url_base = get_bloginfo('url');

			$listingcat = get_the_terms($post->ID, 'listing_category');
			if(!empty($listingcat)){
				$listingcat = array_pop($listingcat);
				$state = get_post_meta($post->ID, 'state-slug', true);
				$city = get_post_meta($post->ID, 'city-slug', true);
				if(($state != false) && ($city != false)){
				    $preview_link = $url_base . "/listing/" . $listingcat->slug . "/" . $state . "/" . $city . '/' . $post->post_name;
					$permalink = $preview_link;
				}else{
					return $permalink;		
				}				
			}else{
				return $permalink;
			}
		}
	}	
	return $permalink;
}

/***************************************************************************
Redirect files based on matched query
****************************************************************************/


add_filter('template_include', 'kv_template_redirect_files');

function kv_template_redirect_files($templates = ""){
  global $wp, $wp_query, $wpdb;                 

    if($wp->matched_rule == 'listing/(.+?)/(.+?)/(.+?)$'  /*city*/){

        if(!is_array($templates) && !empty($templates)) {
          $templates = locate_template(array("meta-city.php", $templates),false);
        } 
        elseif(empty($templates)) {
          $templates = locate_template("meta-city.php",false);
        }
        else {
          $new_template = locate_template(array("meta-city.php"));
          if(!empty($new_template)) array_unshift($templates,$new_template);
        }
	}else if($wp->matched_rule == 'listing/(.+?)/(.+?)$' /*state*/){
        if(!is_array($templates) && !empty($templates)) {
          $templates = locate_template(array("meta-state.php", $templates),false);
        } 
        elseif(empty($templates)) {
          $templates = locate_template("meta-state.php",false);
        }
        else {
          $new_template = locate_template(array("meta-state.php"));
          if(!empty($new_template)) array_unshift($templates,$new_template);
        }
	}else if($wp->matched_rule == 'listing/(.+?)/(.+?)/(.+?)/(.+?)$' /*state&city&name*/){
        if(!is_array($templates) && !empty($templates)) {
          $templates = locate_template(array("meta-listing.php", $templates),false);
        } 
        elseif(empty($templates)) {
          $templates = locate_template("meta-listing.php",false);
        }
        else {
          $new_template = locate_template(array("meta-listing.php"));
          if(!empty($new_template)) array_unshift($templates,$new_template);
        }
	}
    
    return $templates;    
    
}

listing-form.php

<?php

add_action( 'wp_loaded', 'va_handle_listing_form' );

add_action( 'va_listing_validate_fields', 'va_validate_listing_title' );
add_action( 'va_listing_validate_fields', 'va_validate_listing_category' );

add_filter( 'va_handle_update_listing', 'va_validate_update_listing' );

add_action( 'appthemes_notices', 'va_listing_error_notice' );


function va_handle_listing_form() {
	global $va_options;

	if ( !isset( $_POST['action'] ) || ( 'new-listing' != $_POST['action'] && 'edit-listing' != $_POST['action'] ) )
		return;

	if ( !current_user_can( 'edit_listings' ) )
		return;

	check_admin_referer( 'va_create_listing' );

	$listing = va_handle_update_listing();
	if ( ! $listing ) {

		// there are errors, redirect the user to the edit or create listing form
		if ( 'edit-listing' == $_POST['action'] ) {
			wp_redirect( $_REQUEST['_wp_http_referer'] );
			exit;
		}
		// return to current page
		return;
	}
	
	if( _va_needs_purchase( $listing ) ){

		wp_redirect( va_get_listing_purchase_url( $listing->ID ) );

	}else{

		if( _va_needs_publish( $listing ) ){
			va_maybe_publish_listing( $listing->ID );
		}

		wp_redirect( get_permalink( $listing->ID ) );
	}
	exit;
}

function va_handle_update_listing() {

	$listing_cat = va_get_listing_cat_id();
	$args = wp_array_slice_assoc( $_POST, array( 'ID', 'post_title', 'post_content', 'tax_input' ) );

	$errors = apply_filters( 'va_listing_validate_fields', va_get_listing_error_obj() );
	if( $errors->get_error_codes() ){
		return false;
	}

	$args['post_type'] = VA_LISTING_PTYPE;

	if ( !(bool) get_post( $_POST['ID'] ) ) {
		$listing_id = wp_insert_post( $args );
	} else {
		$listing_id = wp_update_post( $args );
	}

	wp_set_object_terms( $listing_id, (int) $listing_cat, VA_LISTING_CATEGORY );


    /*echo("<pre style='background:lavenderblush; color:purple; overflow:auto;'>");
    var_dump($_POST);
    echo("</pre>"); die();*/

/*************************************************
//Turning your custom fields into post-meta data
**************************************************/

	if(!empty($_POST['app_whatisthelargestcityyouservice'])){
		update_post_meta( $listing_id, 'city-slug', sanitize_title( $_POST['app_whatisthelargestcityyouservice'] ) );
	}
	if(!empty($_POST['app_stateyourbusinessislocatedin'])){
		update_post_meta( $listing_id, 'state-slug', sanitize_title( $_POST['app_stateyourbusinessislocatedin'] ) );	
	}	

/****************************************************
//Back to the AppThemes Vantage Original Coding
*****************************************************/    

	foreach ( va_get_listing_contact_fields() as $field ) {	
		update_post_meta( $listing_id, $field, strip_tags( _va_get_initial_field_value( $field ) ) );
	}

	va_update_form_builder( $listing_cat, $listing_id );

	appthemes_set_coordinates( $listing_id, $_POST['lat'], $_POST['lng'] );

	va_handle_files( $listing_id, $listing_cat );

	return apply_filters('va_handle_update_listing', get_post( $listing_id) );
}

// validates the listing data and returns the post if there are no errors. In case of errors, returns false
function va_validate_update_listing( $listing ) {

	$errors = va_get_listing_error_obj();
	if ( $errors->get_error_codes( )) {
		set_transient('va-errors', $errors );
		$listing = false;
	}

	return $listing;
}

function _va_needs_purchase( $listing ){
	global $va_options;
	return _va_needs_publish( $listing ) && $va_options->listing_charge;
}

function _va_needs_publish( $listing ){
	return in_array( $listing->post_status, array( 'draft', 'expired' ));
}

function _va_is_claimable( $listing_id = '' ) {
	$listing_id = !empty( $listing_id ) ? $listing_id : get_the_ID();
	
	$claimable = get_post_meta( $listing_id, 'listing_claimable', true );
	
	if ( empty( $claimable ) ) return false;
	
	return true;
}

function va_validate_listing_title( $errors ){

	$args = wp_array_slice_assoc( $_POST, array( 'ID', 'post_title', 'post_content', 'tax_input' ) );
	if ( empty( $args['post_title'] ) ) 
		$errors->add( 'no-title', 'No title was submitted.' );
	
	return $errors;

}

function va_validate_listing_category( $errors ){

	$listing_cat = va_get_listing_cat_id();
	if ( !$listing_cat ) 
		$errors->add( 'wrong-cat', 'No category was submitted.' );
	
	return $errors;

}

function va_update_form_builder( $listing_cat, $listing_id ) {
	$fields = va_get_fields_for_cat( $listing_cat );

	$to_update = scbForms::validate_post_data( $fields );

	scbForms::update_meta( $fields, $to_update, $listing_id );
}

function va_get_listing_cat_id() {
	static $cat_id;

	if ( is_null( $cat_id ) ) {
		if ( isset( $_REQUEST[VA_LISTING_CATEGORY] ) && $_REQUEST[VA_LISTING_CATEGORY] != -1 ) {
			$listing_cat = get_term( $_REQUEST[VA_LISTING_CATEGORY], VA_LISTING_CATEGORY );
			$cat_id = is_wp_error( $listing_cat ) ? false : $listing_cat->term_id;
		} else {
			$cat_id = false;
		}
	}

	return $cat_id;
}

function the_listing_tags_to_edit( $listing_id ) {
	$tags = get_the_terms( $listing_id, VA_LISTING_TAG );

	if ( empty( $tags ) )
		return;

	echo esc_attr( implode( ', ', wp_list_pluck( $tags, 'name' ) ) );
}

function va_get_default_listing_to_edit() {
	require ABSPATH . '/wp-admin/includes/post.php';

	$listing = get_default_post_to_edit( VA_LISTING_PTYPE );

	$listing->category = va_get_listing_cat_id();

	foreach ( array( 'post_title', 'post_content' ) as $field ) {
		$listing->$field = _va_get_initial_field_value( $field );
	}

	foreach ( va_get_listing_contact_fields() as $field ) {
		$listing->$field = _va_get_initial_field_value( $field );
	}

	return $listing;
}

function _va_get_initial_field_value( $field ) {
	return isset( $_POST[$field] ) ? stripslashes( $_POST[$field] ) : '';
}

function va_get_existing_listing_to_edit() {
	$listing = get_queried_object();

	$listing->category = get_the_listing_category( $listing->ID )->term_id;

	foreach ( va_get_listing_contact_fields() as $field ) {
		$listing->$field = get_post_meta( $listing->ID, $field, true );
	}

	return $listing;
}

function va_get_listing_contact_fields() {
	return array( 'phone', 'address', 'website', 'twitter', 'facebook' );
}

function va_get_listing_error_obj(){

	static $errors;

	if ( !$errors ){
		$errors = new WP_Error();
	}

	return $errors;

}

function va_listing_error_notice() {

	$errors = va_get_listing_error_obj();
	if ( ! $errors )
		return;

	// look for transient errors and merge them if they exist
	$transient_errors = get_transient('va-errors');
	if ( $transient_errors && $transient_errors->get_error_codes() ) {
		$errors->errors = array_merge( $errors->errors, $transient_errors->errors );
		delete_transient('va-errors');
	}

	$map = array(
		'no-title' => __( 'The listing must have a title.', APP_TD ),
		'wrong-cat' => __( 'The selected category does not exist.', APP_TD ),
	);

	foreach( $errors->get_error_messages() as $message )
		appthemes_display_notice( 'error', $message );
}

meta-city.php

<?php
// Template Name: City
?>
<div id="main" class="list">
	<div class="section-head">
		<h1><?php _e( 'Businesses', APP_TD ); ?></h1>
	</div>

<?php
if ( $featured = va_get_featured_listings() ) :
	while ( $featured->have_posts() ) : $featured->the_post();
?>
	<article id="post-<?php the_ID(); ?>" <?php post_class( 'featured' ); ?>>
		<div class="featured-head">
			<h3><?php _e( 'Featured', APP_TD ); ?></h3>
		</div>
		<?php get_template_part( 'content-listing' ); ?>
	</article>
<?php
	endwhile;
endif;

if ( $featured || is_page() ) :
	$args = $wp_query->query;

	// The template is loaded as a page, not as an archive
	if ( is_page() )
		$args['post_type'] = VA_LISTING_PTYPE;

	// Don't want to show featured listings a second time
	if ( $featured )
		$args['post__not_in'] = wp_list_pluck( $featured->posts, 'ID' );

	$args['posts_per_page'] = $va_options->listings_per_page;

	query_posts( $args );
endif;
$args = array(
    'numberposts'     => -1,
    'listing_category' => $wp_query->query_vars['listing_category'],
    'post_type'       => 'listing',
    'post_status'     => 'publish',
	'meta_query' => array(
		'relation' => 'AND',
		array(
			'key' => 'state-slug',
			'value' => $wp_query->query_vars['state']
		),
		array(
			'key' => 'city-slug',
			'value' => $wp_query->query_vars['city']
		)
	)		    
);

query_posts( $args );
if ( have_posts() ) : ?>
	
	<?php if ( is_search() ) : ?>
	<article class="listing">
		<h2><?php printf( __( 'Listings found for "%s" near "%s"', APP_TD ), va_get_search_query_var( 'ls' ), va_get_search_query_var( 'location' ) ); ?></h2>
	</article>
	<?php endif; ?>
	
<?php while ( have_posts() ) : the_post(); ?>
	<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
		<?php get_template_part( 'content-listing' ); ?>
	</article>
<?php endwhile; ?>

<?php elseif ( !$featured ) : ?>

	<?php if ( is_search() ) : ?>
	<article class="listing">
		<h2><?php printf( __( 'Sorry, No Listings Found For "%s" Near "%s"', APP_TD ), va_get_search_query_var( 'ls' ), va_get_search_query_var( 'location' ) ); ?></h2>
	</article>
	<?php elseif ( is_archive() ) : ?>	
	<article class="listing">
		<h2><?php printf( __( 'Sorry there are no listings for %s "%s"', APP_TD ), ( is_tax( VA_LISTING_CATEGORY ) ? __( 'category', APP_TD ) : __( 'tag', APP_TD ) ), single_term_title( '', false ) ); ?></h2>
	</article>
	<?php endif; ?>

<?php endif; ?>

<?php if ( $wp_query->max_num_pages > 1 ) : ?>
	<nav class="pagination">
		<?php appthemes_pagenavi(); ?>
	</nav>
<?php endif; ?>

</div>

<div id="sidebar">
	<?php get_sidebar( app_template_base() ); ?>
</div>

meta-state.php

<?php
// Template Name: State
?>

<div id="main" class="list">
	<div class="section-head">
		<h1><?php _e( 'Businesses', APP_TD ); ?></h1>
	</div>

<?php
if ( $featured = va_get_featured_listings() ) :
	while ( $featured->have_posts() ) : $featured->the_post();
?>
	<article id="post-<?php the_ID(); ?>" <?php post_class( 'featured' ); ?>>
		<div class="featured-head">
			<h3><?php _e( 'Featured', APP_TD ); ?></h3>
		</div>

		<?php get_template_part( 'content-listing' ); ?>
	</article>
<?php
	endwhile;
endif;

if ( $featured || is_page() ) :
	$args = $wp_query->query;

	// The template is loaded as a page, not as an archive
	if ( is_page() )
		$args['post_type'] = VA_LISTING_PTYPE;

	// Don't want to show featured listings a second time
	if ( $featured )
		$args['post__not_in'] = wp_list_pluck( $featured->posts, 'ID' );

	$args['posts_per_page'] = $va_options->listings_per_page;

	query_posts( $args );
endif;

$args = array(
    'numberposts'     => -1,
    'listing_category' => $wp_query->query_vars['listing_category'],
    'post_type'       => 'listing',
    'post_status'     => 'publish',
	'meta_query' => array(
		array(
			'key' => 'state-slug',
			'value' => $wp_query->query_vars['state']
		)
	)		    
);

query_posts( $args );
if ( have_posts() ) : ?>

	<?php if ( is_search() ) : ?>
	<article class="listing">
		<h2><?php printf( __( 'Listings found for "%s" near "%s"', APP_TD ), va_get_search_query_var( 'ls' ), va_get_search_query_var( 'location' ) ); ?></h2>
	</article>
	<?php endif; ?>
	
<?php while ( have_posts() ) : the_post(); ?>
	<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
<?php
/*$colors = array('lightblue', 'lightgreen', 'peachpuff');
$ran = array_rand($colors);
echo "<pre style='background:" . $colors[$ran] . "; color:darkblue;'>";
var_export(get_post_meta($post->ID));
echo "</pre>";*/
?>			
		<?php get_template_part( 'content-listing' ); ?>
	</article>
<?php endwhile; ?>

<?php elseif ( !$featured ) : ?>

	<?php if ( is_search() ) : ?>
	<article class="listing">
		<h2><?php printf( __( 'Sorry, No Listings Found For "%s" Near "%s"', APP_TD ), va_get_search_query_var( 'ls' ), va_get_search_query_var( 'location' ) ); ?></h2>
	</article>
	<?php elseif ( is_archive() ) : ?>	
	<article class="listing">
		<h2><?php printf( __( 'Sorry there are no listings for %s "%s"', APP_TD ), ( is_tax( VA_LISTING_CATEGORY ) ? __( 'category', APP_TD ) : __( 'tag', APP_TD ) ), single_term_title( '', false ) ); ?></h2>
	</article>
	<?php endif; ?>

<?php endif; ?>

<?php if ( $wp_query->max_num_pages > 1 ) : ?>
	<nav class="pagination">
		<?php appthemes_pagenavi(); ?>
	</nav>
<?php endif; ?>
</div>
<div id="sidebar">
	<?php get_sidebar( app_template_base() ); ?>
</div>

Hi,
could you please help me how can I use this solution in a child-theme for vantage?
Thanks
neggga