Adds Lessons post type and Programs taxonomies. For Genesis child themes, the Primary sidebar will be replaced with a Lessons sidebar.

lessons-programs.php

<?php
/*
  Plugin Name: Lessons & Programs
  Plugin URI:
  Description: Adds Lessons post type and Programs taxonomies. For Genesis child themes, the Primary sidebar will be replaced with a Lessons sidebar.
  Version: 1.0
  Author: ClickWP
  Author URI: https://clickwp.com
  Text Domain: lessons-programs
  Domain Path: /languages

*/


//* DON'T ADD ABOVE IF COPYING TO YOUR FUNCTIONS FILE


add_action('init', 'child_register_my_taxes_program');
/*
 * Register Programs Taxnomy
 */
function child_register_my_taxes_program() {
    $labels = array(
        "name" => __("Programs", ""),
        "singular_name" => __("Program", ""),
    );

    $args = array(
        "label" => __("Programs", ""),
        "labels" => $labels,
        "public" => true,
        "hierarchical" => true,
        "label" => "Programs",
        "show_ui" => true,
        "show_in_menu" => true,
        "show_in_nav_menus" => true,
        "query_var" => true,
        "rewrite" => array( 'slug' => 'program', 'with_front' => true, ),
        "show_admin_column" => false,
        "show_in_rest" => true,
        "rest_base" => "program",
        "show_in_quick_edit" => true,
    );
    register_taxonomy("program", array( "lesson" ), $args);
}


add_action('init', 'child_register_my_cpts_lesson');
/*
 * Register Lessons post type
 */
function child_register_my_cpts_lesson() {
    $labels = array(
        "name" => __("Lessons", ""),
        "singular_name" => __("Lesson", ""),
    );

    $args = array(
        "label" => __("Lessons", ""),
        "labels" => $labels,
        "description" => "",
        "public" => true,
        "publicly_queryable" => true,
        "show_ui" => true,
        "show_in_rest" => true,
        "rest_base" => "",
        "has_archive" => true,
        "show_in_menu" => true,
        "show_in_nav_menus" => true,
        "exclude_from_search" => false,
        "capability_type" => "post",
        "map_meta_cap" => true,
        "hierarchical" => false,
        "rewrite" => array( "slug" => "lesson", "with_front" => true ),
        "query_var" => true,
        "menu_icon" => "dashicons-book",
        "supports" => array( "title", "editor", "thumbnail" ),
        "taxonomies" => array( "program" ),
    );

    register_post_type("lesson", $args);
}


add_action( 'genesis_init', 'child_lessons_theme_supports' );
/*
 * Add theme supports to Lessons
 */
function child_lessons_theme_supports() {

	add_post_type_support( 'lesson', array(
		'genesis-cpt-archives-settings',  // Archive settings
		'genesis-layouts',    // In-post layout settings
		'genesis-seo',        // In-post SEO settings
		'genesis-scripts',    // In-post script options
	) );

}


add_action( 'genesis_before', 'child_remove_lesson_meta', 11 );
/*
 * Remove post info and meta for Lessons
 */
function child_remove_lesson_meta() {

	// Remove post info
	remove_post_type_support( 'lesson', 'genesis-entry-meta-before-content' );

	// Remove post meta
	remove_post_type_support( 'lesson', 'genesis-entry-meta-after-content' );

}


add_action('genesis_setup', 'child_lessons_sidebar_setup');
/*
 * Setup Lessons Sidebar
 * Loaded on genesis_setup hook to ensure genesis_ functions are available
 */

// Swap sidebars on CPT pages
function child_maybe_do_lessons_sidebar() {
    if (is_singular('lesson') || is_post_type_archive('lesson') || is_tax('program')) {
        remove_action('genesis_sidebar', 'genesis_do_sidebar'); // Remove the default genesis sidebar
    	add_action('genesis_sidebar', 'child_do_lesson_sidebar'); // Add the custom sidebar instead
    }
}

// Output lesson sidebar
function child_do_lesson_sidebar() {
    genesis_widget_area('sidebar-lesson');
}


function child_lessons_sidebar_setup() {
    genesis_register_sidebar(
        array(
            'name'=>'Lessons Sidebar',
            'id' => 'sidebar-lesson',
            'description' => 'This is a sidebar displayed on Lessons and Programs only',
        )
    );

    // Swap sidebars on Lessons
    add_action('get_header', 'child_maybe_do_lessons_sidebar');
}