cpt_role_example.php

<?php
  function listing_post_type() {
    $labels = array(
      'name'                => _x( 'Listing', 'Post Type studio', 'text_domain' ),
      'singular_name'       => _x( 'Listing', 'Post Type studio', 'text_domain' ),
      'menu_name'           => __( 'Listings', 'text_domain' ),
      'parent_item_colon'   => __( 'Parent Listing:', 'text_domain' ),
      'all_items'           => __( 'All Listings', 'text_domain' ),
      'view_item'           => __( 'View Listing', 'text_domain' ),
      'add_new_item'        => __( 'Add New Listing', 'text_domain' ),
      'add_new'             => __( 'Add New', 'text_domain' ),
      'edit_item'           => __( 'Edit Listing', 'text_domain' ),
      'update_item'         => __( 'Update Listing', 'text_domain' ),
      'search_items'        => __( 'Search Listings', 'text_domain' ),
      'not_found'           => __( 'Not found', 'text_domain' ),
      'not_found_in_trash'  => __( 'Not found in Trash', 'text_domain' ),
    );
    $args = array(
      'label'               => __( 'listing', 'text_domain' ),
      'description'         => __( 'listing Description', 'text_domain' ),
      'labels'              => $labels,
      'supports'            => array( 'title', 'editor', 'excerpt', 'thumbnail', 'page-attributes', 'post-formats', ),
      'taxonomies'          => array( ),
      'hierarchical'        => false,
      'public'              => true,
      'show_ui'             => true,
      'show_in_menu'        => true,
      'show_in_nav_menus'   => true,
      'show_in_admin_bar'   => true,
      'menu_position'       => 5,
      'menu_icon'           => '',
      'can_export'          => true,
      'has_archive'         => true,
      'exclude_from_search' => false,
      'publicly_queryable'  => true,
      'capability_type'     => ['listing','listings'],
          'map_meta_cap' => true,
    );
    add_real_estate_agent_role(); 
    \add_filter('register_post_type_args', function ($args,$post_type) {
        if ( 'listing' != $post_type ) 
           return $args; 
        $caps = [];
        $v = ['read','edit','edit_others','edit_published','publish','read_private','delete','delete_others','delete_published',];
        foreach ( $v as $n ) {
           $caps["{$n}_post"] = "{$n}_listing"; 
           $caps["{$n}_posts"] = "{$n}_listings"; 
        }
        $args['capabilities'] = $caps;
        return $args; 
    },20,2);
	\register_post_type( 'listing', $args );
}
function add_real_estate_agent_role() {
    wp_roles()->remove_role('real_estate_agent');
    $caps = [
        'level_0' => true,
        'level_1' => true,
        'level_2' => true,
        'read' => true,
        'edit_listing' => true,
        'read_listing' => true,
        'delete_listing' => true,
        'edit_listings' => true,
        'edit_others_listings' => false,
        'publish_listings' => true,
        'read_private_listings' => true,
        'delete_listings' => true,
        'delete_private_listings' => true,
        'delete_published_listings' => true,
        'delete_others_listings' => false,
        'edit_private_listings' => true,
        'edit_published_listings' => true, 
    ];
    wp_roles()->add_role('real_estate_agent',__('Real Estate Agent'), $caps);
    // The following is because some plugins are bad bad citizens
    // and will redirect us away from the admin unless we make them
    // stop the badness.
    $user = wp_get_current_user();
    // Because for some reason, admins can't see it
    if ( current_user_can('administrator') ) {
        $user->add_role('real_estate_agent');
    }
    
    $agent = current_user_can('real_estate_agent');
    add_filter( 'woocommerce_prevent_automatic_wizard_redirect', function ($b) use($agent) {
        if ( $agent )
            return false;
        return $b; 
    }, 20, 1 );
    add_filter('template_redirect', function () use ($agent) {
        if ( ! function_exists('is_account_page') )
            return;
        if ( is_admin() )
            return;
        if( $agent && is_account_page() && !curren_user_can('administrator') )
            wp_redirect( '/wp-admin/edit.php?post_type=listing' );
    });
    // Allow 'real_estate_agent' User Role to  view the Dashboard
    add_filter( 'woocommerce_prevent_admin_access', function ( $b ) use ($agent) {
        if( $agent )
            return false;;
        return $b;
    },20,1);
    // Show admin bar for 'real_estate_agent' User Role
    add_filter( 'show_admin_bar', function ( $show ) use($agent) {
        if ( $agent )
            $show = true;
        return $show;
    },20,1);
}
\add_action( 'init', __NAMESPACE__ . '\listing_post_type', 0 );