Taxonomy and Post Type and setting Post type link and rewrites

gistfile1.txt

<?php
function bctv_register_episode_post_type_taxes() {

    /**
     * Taxonomy: Series Typess.
     */

    $labels = array(
        "name" => __( "Series Types", "bctv-post-type-ui" ),
        "singular_name" => __( "Series Types", "bctv-post-type-ui" ),
        "menu_name" => __( "Series Types", "bctv-post-type-ui" ),
        "all_items" => __( "Series Types", "bctv-post-type-ui" ),
        "edit_item" => __( "Edit Types", "bctv-post-type-ui" ),
        "view_item" => __( "View Types", "bctv-post-type-ui" ),
        "update_item" => __( "Update Series Type", "bctv-post-type-ui" ),
        "add_new_item" => __( "Add New Type", "bctv-post-type-ui" ),
        "new_item_name" => __( "New Series Type", "bctv-post-type-ui" ),
        "parent_item" => __( "Parent Type", "bctv-post-type-ui" ),
        "parent_item_colon" => __( "Parent Type:", "bctv-post-type-ui" ),
        "search_items" => __( "Search Types", "bctv-post-type-ui" ),
        "popular_items" => __( "Popular Series Type", "bctv-post-type-ui" ),
        "add_or_remove_items" => __( "Add or Remove Series Type", "bctv-post-type-ui" ),
        "choose_from_most_used" => __( "Choose From most used Types", "bctv-post-type-ui" ),
        "not_found" => __( "Type not found", "bctv-post-type-ui" ),
        "no_terms" => __( "No Types", "bctv-post-type-ui" ),
        "items_list_navigation" => __( "Series Type", "bctv-post-type-ui" ),
        "items_list" => __( "Series Type List", "bctv-post-type-ui" ),
    );

    $args = array(
        "label" => __( "Series Type", "bctv-post-type-ui" ),
        "labels" => $labels,
        "public" => true,
        "publicly_queryable" => true,
        "hierarchical" => false,
        "show_ui" => true,
        "show_in_menu" => true,
        "show_in_nav_menus" => true,
        "query_var" => true,
        "rewrite" => array( 'slug' => 'bctv/series', 'with_front' => false ),
        "show_admin_column" => true,
        "show_in_rest" => true,
        "rest_base" => "series_type",
        "rest_controller_class" => "WP_REST_Terms_Controller",
        "show_in_quick_edit" => false,
    );

    register_taxonomy( "series_type", array( "episodes" ), $args );
    flush_rewrite_rules();

    /**
     * Taxonomy: Series.
     */

    $labels = array(
        "name" => __( "Series", "bctv-post-type-ui" ),
        "singular_name" => __( "Series", "bctv-post-type-ui" ),
        "menu_name" => __( "Series", "bctv-post-type-ui" ),
        "all_items" => __( "Series", "bctv-post-type-ui" ),
        "edit_item" => __( "Edit Series", "bctv-post-type-ui" ),
        "view_item" => __( "View Series", "bctv-post-type-ui" ),
        "update_item" => __( "Update Series", "bctv-post-type-ui" ),
        "add_new_item" => __( "Add New Series", "bctv-post-type-ui" ),
        "new_item_name" => __( "New Series", "bctv-post-type-ui" ),
        "parent_item" => __( "Parent Series", "bctv-post-type-ui" ),
        "parent_item_colon" => __( "Parent Series:", "bctv-post-type-ui" ),
        "search_items" => __( "Search Series", "bctv-post-type-ui" ),
        "popular_items" => __( "Popular Series", "bctv-post-type-ui" ),
        "separate_items_with_commas" => __( "Popular Series:", "bctv-post-type-ui" ),
        "add_or_remove_items" => __( "Add or Remove Series", "bctv-post-type-ui" ),
        "choose_from_most_used" => __( "Choose From most used Series", "bctv-post-type-ui" ),
        "not_found" => __( "Series not found", "bctv-post-type-ui" ),
        "no_terms" => __( "No Series", "bctv-post-type-ui" ),
        "items_list_navigation" => __( "Series", "bctv-post-type-ui" ),
        "items_list" => __( "Series Type List", "bctv-post-type-ui" ),
    );

    $args = array(
        "label" => __( "Series", "bctv-post-type-ui" ),
        "labels" => $labels,
        "public" => true,
        "publicly_queryable" => true,
        "hierarchical" => false,
        "show_ui" => true,
        "show_in_menu" => true,
        "show_in_nav_menus" => true,
        "query_var" => true,
        "rewrite" => array( 'slug' => 'bctv', 'with_front' => false),
        "show_admin_column" => true,
        "show_in_rest" => true,
        "rest_base" => "series",
        "rest_controller_class" => "WP_REST_Terms_Controller",
        "show_in_quick_edit" => false,
        );

    register_taxonomy( "series", array( "episodes" ), $args );
    flush_rewrite_rules();

    /**
     * Taxonomy: Actors.
     */

    $labels = array(
        "name" => __( "Actors", "bctv-post-type-ui" ),
        "singular_name" => __( "Actor", "bctv-post-type-ui" ),
        "menu_name" => __( "Actors", "bctv-post-type-ui" ),
        "all_items" => __( "All Actors", "bctv-post-type-ui" ),
        "edit_item" => __( "Edit Actor", "bctv-post-type-ui" ),
        "view_item" => __( "View Actor", "bctv-post-type-ui" ),
        "update_item" => __( "Update Actor", "bctv-post-type-ui" ),
        "add_new_item" => __( "Add New Actor", "bctv-post-type-ui" ),
        "new_item_name" => __( "New Actor", "bctv-post-type-ui" ),
        "search_items" => __( "Search Actors", "bctv-post-type-ui" ),
        "popular_items" => __( "Popular Actors", "bctv-post-type-ui" ),
        "add_or_remove_items" => __( "Add or Remove Actors", "bctv-post-type-ui" ),
        "choose_from_most_used" => __( "Choose from the most used Actors", "bctv-post-type-ui" ),
        "not_found" => __( "Actor Not Found", "bctv-post-type-ui" ),
        "no_terms" => __( "No Actors", "bctv-post-type-ui" ),
        "items_list" => __( "Actors List", "bctv-post-type-ui" ),
    );

    $args = array(
        "label" => __( "Actors", "bctv-post-type-ui" ),
        "labels" => $labels,
        "public" => true,
        "publicly_queryable" => true,
        "hierarchical" => true,
        "show_ui" => true,
        "show_in_menu" => true,
        "show_in_nav_menus" => true,
        "query_var" => true,
        "rewrite" => array( 'slug' => 'actors', 'with_front' => false ),
        "show_admin_column" => true,
        "show_in_rest" => true,
        "rest_base" => "actor",
        "rest_controller_class" => "WP_REST_Terms_Controller",
        "show_in_quick_edit" => false,
    );

    register_taxonomy( "actor", array( "episodes" ), $args );
    flush_rewrite_rules();
}

add_action( 'init', 'bctv_register_episode_post_type_taxes' );

function bctv_register_episode_post_type() {

    /**
     * Post Type: Episodes.
     */

    $labels = array(
        "name" => __( "Episodes", "bctv-post-type-ui" ),
        "singular_name" => __( "Episode", "bctv-post-type-ui" ),
        "menu_name" => __( "Episodes", "bctv-post-type-ui" ),
        "all_items" => __( "All Episodes", "bctv-post-type-ui" ),
        "add_new" => __( "Add New", "bctv-post-type-ui" ),
        "add_new_item" => __( "Add New Episode", "bctv-post-type-ui" ),
        "edit_item" => __( "Edit Episode", "bctv-post-type-ui" ),
        "new_item" => __( "New Episode", "bctv-post-type-ui" ),
        "view_item" => __( "View Episode", "bctv-post-type-ui" ),
        "view_items" => __( "View Episodes", "bctv-post-type-ui" ),
        "search_items" => __( "Search Episodes", "bctv-post-type-ui" ),
        "not_found" => __( "No Episode Found", "bctv-post-type-ui" ),
        "not_found_in_trash" => __( "No Episodes Found in Trash", "bctv-post-type-ui" ),
        "parent_item_colon" => __( "Parent Episode:", "bctv-post-type-ui" ),
        "featured_image" => __( "Featured Episode Image", "bctv-post-type-ui" ),
        "set_featured_image" => __( "Set Featured Image", "bctv-post-type-ui" ),
        "remove_featured_image" => __( "Remove Featured Image", "bctv-post-type-ui" ),
        "use_featured_image" => __( "Use Featured Image", "bctv-post-type-ui" ),
        "archives" => __( "Episode Archive", "bctv-post-type-ui" ),
        "insert_into_item" => __( "Insert into Episode", "bctv-post-type-ui" ),
        "uploaded_to_this_item" => __( "Upload to this Episode", "bctv-post-type-ui" ),
        "filter_items_list" => __( "Filter Episode List", "bctv-post-type-ui" ),
        "items_list_navigation" => __( "Episode List Navigation", "bctv-post-type-ui" ),
        "items_list" => __( "Episode List", "bctv-post-type-ui" ),
        "attributes" => __( "Episode Attributes", "bctv-post-type-ui" ),
        "name_admin_bar" => __( "Episodes", "bctv-post-type-ui" ),
        "parent_item_colon" => __( "Parent Episode:", "bctv-post-type-ui" ),
    );

    $args = array(
        "label" => __( "Episodes", "bctv-post-type-ui" ),
        "labels" => $labels,
        "description" => "This will be a list of Episodes (oldest to newest) for the BCTV Original Series the user is viewing.",
        "public" => true,
        "publicly_queryable" => true,
        "show_ui" => true,
        "delete_with_user" => false,
        "show_in_rest" => true,
        "rest_base" => "",
        "rest_controller_class" => "WP_REST_Posts_Controller",
        "has_archive" => true,
        "show_in_menu" => true,
        "show_in_nav_menus" => true,
        "exclude_from_search" => false,
        "capability_type" => "page",
        "map_meta_cap" => true,
        "hierarchical" => true,
        "query_var" => true,
        "rewrite" => array( 'slug' => 'bctv', 'with_front' => false ),
        "menu_position" => 9,
        "menu_icon" => "dashicons dashicons-video-alt2",
        "supports" => array( "title", "editor", "thumbnail", "page-attributes" ),
        "taxonomies" => array( "series", "series_type", "actor", "post_tag" ),
    );

        register_post_type( "episodes", $args );
        flush_rewrite_rules();
    }

    add_action( 'init', 'bctv_register_episode_post_type' );

// add link to bctv home page in wp top bar
function bctv_toolbar_link($wp_admin_bar) {
    $args = array(
        'id' => 'bctv-episode-link',
        'title' => 'Get BCTV',
        'href' => '/bctv',
        'meta' => array(
            'class' => 'bctv-home-link',
            'title' => 'Get BCTV'
            )
    );
    $wp_admin_bar->add_node($args);
}
add_action('admin_bar_menu', 'bctv_toolbar_link', 999);

post_type_link_rewrites

<?php
function episodes_series_type_cpt_generating_rule($wp_rewrite) {
    $series_type_rules = array();

    $series_type_terms = get_terms( array(
        'taxonomy' => 'series_type',
        'hide_empty' => false,
    ) );

    $post_type = 'episodes';

    foreach ($series_type_terms as $series_type_term) {
        $series_type_rules['bctv/series/' . $series_type_term->slug . '/([^/]*)$'] = 'index.php?post_type=' . $post_type. '&' . $post_type. '=$matches[1]&name=$matches[1]';
	}

    // merge with global rules
    $wp_rewrite->rules = $series_type_rules + $wp_rewrite->rules;
}
add_filter('generate_rewrite_rules', 'episodes_series_type_cpt_generating_rule');

function series_type_change_link( $permalink, $post ) {

    if( $post->post_type == 'episodes' ) {
        $episode_type_terms = get_the_terms( $post, 'series_type' );
        $term_type_slug;

        if( ! empty( $episode_type_terms ) ) {
            foreach ( $episode_type_terms as $term_type ) {
                $term_type_slug = $term_type->slug;
            }
        }

        $permalink = get_home_url() ."/bctv/series/" . $term_type_slug . '/' . $post->post_name;
    }
    return $permalink;
}
add_filter('post_type_link', 'series_type_change_link', 10, 2);

function episodes_series_cpt_generating_rule($wp_rewrite) {

    $series_rules = array();

    $series_terms = get_terms( array(
        'taxonomy' => 'series',
        'hide_empty' => false,
    ) );

    $post_type = 'episodes';

    //This will create a series type > series relationship
    foreach ($series_terms as $series_term) {
        // Is it a child term?
      /* if( $series_term->parent ) {
            $parent_term = get_terms( array(
                'taxonomy' => 'series_type',
                'hide_empty' => false,
            ) );

            foreach ($parent_term as $parent) {
                if ($parent->term_id == $series_term->parent) {
                    $series_rules['bctv/series/' . $parent->slug . '/' . $series_term->slug . '/([^/]*)$'] = 'index.php?post_type=' . $post_type. '&' . $post_type . '=$matches[1]&name=$matches[1]';
                }
            }
        } else {
            $series_rules['bctv/'.$series_term->slug.'/([^/]*)$'] = 'index.php?post_type=' . $post_type. '&' . $post_type . '=$matches[1]&name=$matches[1]';
        } */


        $parent_term = get_field('parent_series_type', 'term_' . $series_term->term_id);
        // Is it a child term?
        if ($parent_term) {
            $series_rules['bctv/series/' . $parent_term->slug . '/' . $series_term->slug . '/([^/]*)$'] = 'index.php?post_type=' . $post_type. '&' . $post_type . '=$matches[1]&name=$matches[1]';
            //$term_url = get_home_url() ."/bctv/series/" . $parent->slug . '/' .  $term->slug . '/' . $post->post_name;
        } else {
            $series_rules['bctv/'.$series_term->slug.'/([^/]*)$'] = 'index.php?post_type=' . $post_type. '&' . $post_type . '=$matches[1]&name=$matches[1]';
            //$term_url = get_home_url() ."/bctv/" . $term->slug . '/' . $post->post_name;
        }
        // merge with global rules
        $wp_rewrite->rules = $series_rules + $wp_rewrite->rules;

        //print_r($wp_rewrite->rules);
    }
}

add_filter('generate_rewrite_rules', 'episodes_series_cpt_generating_rule');


//Updates the View Episode link in admin
function series_change_link( $permalink, $post ) {

    if( $post->post_type == 'episodes' ) {
        $episode_series_terms = get_the_terms( $post->ID, 'series' );

        // Creates a series type series relationship
        $term_series_slug;

        if( !empty( $episode_series_terms ) ) {
            foreach ( $episode_series_terms as $term_series ) {
                $parent = get_field('parent_series_type', 'term_' . $term_series->term_id);

                if ($parent) {
                    $term_series_slug = 'series/' . $parent->slug . '/' . $term_series->slug;
                } else {
                    $term_series_slug = 'series/' . $parent->slug;
                }
            }
        }

        $permalink = get_home_url() ."/bctv/" . $term_series_slug . '/' . $post->post_name;
    }
    return $permalink;
}
add_filter('post_type_link', 'series_change_link', 10, 2);

function episode_posts_groupby($groupby) {
    global $wpdb;
    $groupby = "{$wpdb->posts}.ID";
    return $groupby;
}

add_filter( 'posts_groupby', 'episode_posts_groupby' );