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<?php
/**
* LearnDash class for displaying the course wizard.
*
* @package LearnDash
* @since 4.1.0
*/
use LearnDash\Core\Utilities\Cast;
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
if ( ! class_exists( 'LearnDash_Course_Wizard' ) ) {
/**
* Course wizard class.
*/
class LearnDash_Course_Wizard {
const PLAYLIST_PROCESS_SERVER_ENDPOINT = 'https://licensing.learndash.com/services/wp-json/learndash-playlist-parser/v1';
const PLAYLIST_PROCESS_SERVER_SSL_VERIFY = true; // false only for local testing.
const HANDLE = 'learndash-course-wizard';
const LICENSE_KEY = 'nss_plugin_license_sfwd_lms';
const LICENSE_EMAIL_KEY = 'nss_plugin_license_email_sfwd_lms';
const STEP_URL_PROCESS = 'ld_cw_process';
const STEP_COURSE_CONFIG = 'ld_cw_config';
/**
* Init the course wizard registering WP hooks
*/
public function init() {
add_action( 'admin_menu', array( $this, 'register_menu' ) );
add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_scripts' ) );
add_action( 'admin_footer-edit.php', array( $this, 'add_wizard_button' ) );
add_action( 'admin_post_ld_course_wizard_playlist_process', array( $this, 'process_url_action' ) );
add_action( 'admin_post_ld_course_wizard_create_course', array( $this, 'create_course_action' ) );
}
/**
* Add the course wizard button to the course list table.
* TODO: Add this button via the Global Header Component rather than by injecting it like this.
*
* @since 4.1.0
*
* @return void
*/
public function add_wizard_button() {
$screen = get_current_screen();
if ( is_object( $screen ) && 'edit-' . learndash_get_post_type_slug( 'course' ) === $screen->id ) {
?>
<script>
window.onload = function() {
var settingsElem = document.getElementsByClassName("ld-global-header-new-settings");
var newEntityElem = document.getElementsByClassName("global-new-entity-button");
if (settingsElem.length === 1 && newEntityElem.length === 1) {
var wizardLink = document.createElement('a');
var wizardText = document.createTextNode('<?php esc_html_e( 'Create from Video Playlist', 'learndash' ); ?>');
wizardLink.setAttribute('href', "<?php echo esc_url( admin_url( 'admin.php?page=' . self::HANDLE ) ); ?>");
wizardLink.setAttribute('class', 'global-new-entity-button button button-primary button-small');
wizardLink.appendChild(wizardText);
// add element
settingsElem[0].insertBefore(wizardLink, newEntityElem[0]);
}
};
</script>
<?php
}
}
/**
* Register the admin menu for the course wizard
*/
public function register_menu() {
add_menu_page(
__( 'Course Creation Wizard', 'learndash' ),
__( 'Course Creation Wizard', 'learndash' ),
LEARNDASH_ADMIN_CAPABILITY_CHECK,
self::HANDLE,
array( $this, 'render' )
);
// hide the admin menu item, the page stays available.
remove_menu_page( self::HANDLE );
}
/**
* Register the script
*/
public function enqueue_scripts() {
$screen = get_current_screen();
if ( is_object( $screen ) && 'toplevel_page_' . self::HANDLE === $screen->id ) {
wp_enqueue_style( 'ld-tailwindcss' );
wp_register_script(
self::HANDLE,
LEARNDASH_LMS_PLUGIN_URL . 'assets/js/learndash-course-wizard' . learndash_min_asset() . '.js',
array(),
LEARNDASH_SCRIPT_VERSION_TOKEN,
true
);
wp_localize_script(
self::HANDLE,
'ldCourseWizard',
array(
'valid_recurring_paypal_day_max' => learndash_billing_cycle_field_frequency_max( 'D' ),
'valid_recurring_paypal_week_max' => learndash_billing_cycle_field_frequency_max( 'W' ),
'valid_recurring_paypal_month_max' => learndash_billing_cycle_field_frequency_max( 'M' ),
'valid_recurring_paypal_year_max' => learndash_billing_cycle_field_frequency_max( 'Y' ),
'buttons' => array(
'youtube' => array(
'label' => __( 'Load data from YouTube', 'learndash' ),
'img_class' => 'ld-w-8 ld-inline ld-mr-1',
'img_src' => esc_url( LEARNDASH_LMS_PLUGIN_URL . 'assets/images/youtube_icon.png' ),
'img_alt' => esc_attr(
__( 'YouTube icon', 'learndash' )
),
),
'vimeo' => array(
'label' => __( 'Load data from Vimeo', 'learndash' ),
'img_class' => 'ld-w-6 ld-inline ld-mr-1',
'img_src' => esc_url( LEARNDASH_LMS_PLUGIN_URL . 'assets/images/vimeo_icon.png' ),
'img_alt' => esc_attr(
__( 'Vimeo icon', 'learndash' )
),
),
'wistia' => array(
'label' => __( 'Load data from Wistia', 'learndash' ),
'img_class' => 'ld-w-7 ld-inline',
'img_src' => esc_url( LEARNDASH_LMS_PLUGIN_URL . 'assets/images/wistia_icon.png' ),
'img_alt' => esc_attr(
__( 'Wistia icon', 'learndash' )
),
),
'default' => array(
'label' => __( 'Load', 'learndash' ),
),
),
)
);
wp_enqueue_script( self::HANDLE );
}
}
/**
* Process the playlist URL
*/
public function process_url_action() {
if ( ! isset( $_REQUEST['ld_course_wizard_playlist_process'] ) || ! wp_verify_nonce( sanitize_text_field( wp_unslash( $_REQUEST['ld_course_wizard_playlist_process'] ) ), 'ld_course_wizard_playlist_process' ) ) {
learndash_safe_redirect( admin_url( 'admin.php?page=' . self::HANDLE ) ); // wrong call.
}
$playlist_url = isset( $_REQUEST['playlist_url'] ) ? esc_url_raw( wp_unslash( $_REQUEST['playlist_url'] ) ) : '';
if ( empty( $playlist_url ) ) {
learndash_safe_redirect( admin_url( 'admin.php?page=' . self::HANDLE ) ); // no playlist URL.
}
// process the URL.
$this->process_url( $playlist_url );
}
/**
* Create the course
*/
public function create_course_action() {
if ( ! isset( $_REQUEST['ld_course_wizard_create_course'] ) || ! wp_verify_nonce( sanitize_text_field( wp_unslash( $_REQUEST['ld_course_wizard_create_course'] ) ), 'ld_course_wizard_create_course' ) ) {
learndash_safe_redirect( admin_url( 'admin.php?page=' . self::HANDLE ) ); // wrong call.
}
$playlist_url = isset( $_REQUEST['playlist_url'] ) ? esc_url_raw( wp_unslash( $_REQUEST['playlist_url'] ) ) : '';
if ( empty( $playlist_url ) ) {
learndash_safe_redirect( admin_url( 'admin.php?page=' . self::HANDLE ) ); // no playlist URL.
}
$transient_name = $this->get_processing_transient_key( $playlist_url );
$transient_data = get_transient( $transient_name );
if ( empty( $transient_data['playlist_data'] ) ) {
learndash_safe_redirect( admin_url( 'admin.php?page=' . self::HANDLE ) ); // no transient data.
}
// create the course.
$this->create_course_from_playlist(
$transient_data['playlist_data'],
isset( $_REQUEST['course_price_type'] ) ? sanitize_text_field( wp_unslash( $_REQUEST['course_price_type'] ) ) : '',
isset( $_REQUEST['course_disable_lesson_progression'] ) ? sanitize_text_field( wp_unslash( $_REQUEST['course_disable_lesson_progression'] ) ) : '',
isset( $_REQUEST['course_price'] ) ? sanitize_text_field( wp_unslash( $_REQUEST['course_price'] ) ) : '',
isset( $_REQUEST['course_price_billing_number'] ) ? sanitize_text_field( wp_unslash( $_REQUEST['course_price_billing_number'] ) ) : '',
isset( $_REQUEST['course_price_billing_interval'] ) ? sanitize_text_field( wp_unslash( $_REQUEST['course_price_billing_interval'] ) ) : ''
);
// delete the transient and redirect to the course page.
$this->delete_processing_data( $playlist_url );
learndash_safe_redirect( admin_url( 'edit.php?post_type=' . learndash_get_post_type_slug( 'course' ) ) );
}
/**
* Call the API to process the playlist URL.
*
* @param string $playlist_url The playlist URL.
*/
public function process_url( $playlist_url ) {
// reset the transient.
$this->delete_processing_data( $playlist_url );
$return_url = admin_url( 'admin.php?page=' . self::HANDLE . '&u=' . rawurlencode( $playlist_url ) );
// request server to process the playlist url.
$args = array(
'sslverify' => self::PLAYLIST_PROCESS_SERVER_SSL_VERIFY,
'headers' => array(
'Content-Type' => 'application/json',
),
'body' => (string) wp_json_encode(
array(
'playlist_url' => rawurlencode( $playlist_url ),
'license_email' => get_option( self::LICENSE_EMAIL_KEY ),
'license_key' => get_option( self::LICENSE_KEY ),
'site_url' => rawurlencode( site_url() ),
'return_url' => rawurlencode( $return_url ),
)
),
);
$request = wp_remote_post( self::PLAYLIST_PROCESS_SERVER_ENDPOINT . '/process_url', $args );
$body = json_decode( wp_remote_retrieve_body( $request ) );
if ( ! $body || ! empty( $body->message ) ) {
$this->update_processing_data( $playlist_url, 'error_message', ! empty( $body->message ) ? $body->message : __( 'Error on access LearnDash service. Please try it again in a few minutes.', 'learndash' ) );
learndash_safe_redirect( $return_url );
}
// next step: redirect to OAuth URL.
$this->update_processing_data( $playlist_url, 'error_message', null );
wp_redirect( $body->process_url ); // phpcs:ignore WordPress.Security.SafeRedirect.wp_redirect_wp_redirect
exit();
}
/**
* Get the transient key for the processing data.
*
* @param string $playlist_url Playlist URL.
* @return string Transient name.
*/
private function get_processing_transient_key( $playlist_url ) {
return 'ld_cw_' . md5( $playlist_url );
}
/**
* Update the temporary processing data
*
* @param string $playlist_url Playlist URL.
* @param string $key Key to update.
* @param mixed $value Value to update.
*/
private function update_processing_data( $playlist_url, $key, $value ) {
$transient_name = $this->get_processing_transient_key( $playlist_url );
$transient_data = get_transient( $transient_name );
if ( false === $transient_data ) {
$transient_data = array();
}
$transient_data[ $key ] = $value;
set_transient( $transient_name, $transient_data, DAY_IN_SECONDS );
}
/**
* Delete the temporary processing data
*
* @param string $playlist_url Playlist URL.
*/
private function delete_processing_data( $playlist_url ) {
$transient_name = $this->get_processing_transient_key( $playlist_url );
delete_transient( $transient_name );
}
/**
* Get the temporary processing data, analyzing the current processing step.
*/
private function get_processing_data() {
$process_data = array(
'current_step' => self::STEP_URL_PROCESS,
'can_create_course' => false,
'error_message' => null,
'playlist_data' => null,
'playlist_url' => null,
'try_again_url' => null,
);
// check if playlist URL is set.
$playlist_url = isset( $_GET['u'] ) ? esc_url_raw( wp_unslash( $_GET['u'] ) ) : ''; // phpcs:ignore WordPress.Security.NonceVerification.Recommended
if ( empty( $playlist_url ) ) {
return $process_data;
}
// get the transient data.
$transient_name = $this->get_processing_transient_key( $playlist_url );
$transient_data = get_transient( $transient_name );
if ( false !== $transient_data ) {
// in case of error, we need to delete the transient.
if ( isset( $transient_data['error_message'] ) && ! empty( $transient_data['error_message'] ) ) {
$this->delete_processing_data( $playlist_url );
$process_data['error_message'] = $transient_data['error_message'];
} elseif ( ! isset( $transient_data['playlist_data'] ) || empty( $transient_data['playlist_data'] ) ) {
// we need to get the playlist data only if we are not loaded it yet.
$url_data = $this->get_playlist_data( $playlist_url );
// check if it's an error.
if ( is_string( $url_data ) ) {
$process_data['error_message'] = $url_data;
$this->update_processing_data( $playlist_url, 'error_message', $process_data['error_message'] );
} else {
$process_data['playlist_data'] = $url_data;
$this->update_processing_data( $playlist_url, 'playlist_data', $process_data['playlist_data'] );
}
} else {
// we already have the data. Then, only update the current data.
$process_data['playlist_data'] = $transient_data['playlist_data'];
}
} else {
if ( ! isset( $_GET['refresh'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
$process_data['error_message'] = __( 'Request expired. Please try it again.', 'learndash' );
}
}
// define control data.
if ( ! empty( $process_data['error_message'] ) || ! empty( $process_data['playlist_data'] ) ) {
$process_data['current_step'] = self::STEP_COURSE_CONFIG;
}
$process_data['can_create_course'] = empty( $process_data['error_message'] ) && ! empty( $process_data['playlist_data'] );
$process_data['playlist_url'] = $playlist_url;
$process_data['try_again_url'] = add_query_arg(
array(
'u' => $playlist_url,
'refresh' => 1,
),
admin_url( 'admin.php?page=' . self::HANDLE )
);
return $process_data;
}
/**
* Get the playlist data.
*
* @param string $playlist_url Playlist URL.
* @return array|string Playlist data or error message.
*/
private function get_playlist_data( $playlist_url ) {
$encoded_playlist_url = rawurlencode( $playlist_url );
$request = wp_remote_get(
add_query_arg(
array(
'playlist_url' => $encoded_playlist_url,
'license_email' => rawurlencode(
Cast::to_string(
get_option( self::LICENSE_EMAIL_KEY )
)
),
'license_key' => get_option( self::LICENSE_KEY ),
'site_url' => rawurlencode( site_url() ),
'return_url' => rawurlencode( admin_url( 'admin.php?page=' . self::HANDLE . '&u=' . rawurlencode( $encoded_playlist_url ) ) ),
),
self::PLAYLIST_PROCESS_SERVER_ENDPOINT . '/url_data'
),
array(
'sslverify' => self::PLAYLIST_PROCESS_SERVER_SSL_VERIFY,
)
);
$body = json_decode( wp_remote_retrieve_body( $request ) );
if ( ! $body || ! empty( $body->message ) ) {
return isset( $body->message ) ? $body->message : __( 'Error on access LearnDash service. Please try it again in a few minutes.', 'learndash' );
}
return $body->playlist_data;
}
/**
* Render the course wizard page.
*/
public function render() {
// get the current processing data.
$process_data = $this->get_processing_data();
?>
<div class="ld-container ld-mx-auto">
<div class="ld-flex ld-flex-wrap ld-flex-col ld-items-center">
<div class="ld-flex ld-mt-6">
<p class="ld-text-4xl">
<?php
echo sprintf(
// translators: course.
esc_html_x(
'Create a %s from a video playlist.',
'placeholder: course',
'learndash'
),
esc_html( LearnDash_Custom_Label::label_to_lower( 'course' ) )
);
?>
</p>
</div>
<div class="ld-flex ld-mt-2">
<p class="ld-text-xl">
<?php
echo sprintf(
// translators: course.
esc_html_x(
'You can use a YouTube Playlist, a Vimeo Showcase or a Wistia Project URL to create a LearnDash %s in a few minutes.',
'placeholder: course',
'learndash'
),
esc_html( LearnDash_Custom_Label::label_to_lower( 'course' ) )
);
?>
</p>
</div>
<div class="ld-flex ld-flex-wrap ld-flex-col ld-items-center ld-mt-10 ld-w-full">
<?php
if ( ! learndash_is_learndash_license_valid() ) {
?>
<div class="notice notice-error">
<p><?php echo esc_html__( 'Please activate your license to use this feature.', 'learndash' ); ?></p>
</div>
<?php
} else {
if ( self::STEP_URL_PROCESS === $process_data['current_step'] ) {
$this->render_url_process_step( $process_data );
} elseif ( self::STEP_COURSE_CONFIG === $process_data['current_step'] ) {
$this->render_course_config_step( $process_data );
}
}
?>
</div>
<div class="ld-flex ld-mt-8">
<a href="<?php echo esc_url( admin_url( 'edit.php?post_type=' . learndash_get_post_type_slug( 'course' ) ) ); ?>" class="button">
<?php
echo sprintf(
// translators: course.
esc_html_x(
'Back to %s list',
'placeholder: course',
'learndash'
),
esc_html( LearnDash_Custom_Label::label_to_lower( 'course' ) )
);
?>
</a>
<?php if ( $process_data['can_create_course'] ) { ?>
<form id="ld_cw_create_course_form" method="post" action="<?php echo esc_url_raw( admin_url( 'admin-post.php' ) ); ?>">
<?php wp_nonce_field( 'ld_course_wizard_create_course', 'ld_course_wizard_create_course' ); ?>
<input type="hidden" name="action" value="ld_course_wizard_create_course"/>
<input type="hidden" name="playlist_url" value="<?php echo esc_url( $process_data['playlist_url'] ); ?>"/>
<button id="ld_cw_create_course_btn" style="margin-left: 10px" type="button" class="button button-primary"><?php echo esc_html__( 'Create the course', 'learndash' ); ?></button>
</form>
<?php } ?>
</div>
</div>
</div>
<?php
}
/**
* Render the URL process step.
*
* @param array $process_data Processing data.
*/
private function render_url_process_step( $process_data ) {
?>
<div class="ld-flex ld-flex-wrap ld-flex-col ld-bg-white ld-box-content ld-w-1/2 ld-p-8 ld-rounded-md ld-shadow-lg" id="ld-course-wizard_<?php echo esc_attr( self::STEP_URL_PROCESS ); ?>">
<form method="post" action="<?php echo esc_url_raw( admin_url( 'admin-post.php' ) ); ?>" class="ld-flex">
<?php wp_nonce_field( 'ld_course_wizard_playlist_process', 'ld_course_wizard_playlist_process' ); ?>
<input type="hidden" name="action" value="ld_course_wizard_playlist_process"/>
<input placeholder="<?php echo esc_attr__( 'Enter playlist URL', 'learndash' ); ?>" id="ld_cw_playlist_url" class="ld-w-full ld-mr-3" type="url" required name="playlist_url" value="<?php echo esc_url( $process_data['playlist_url'] ); ?>" required />
<button id="ld_cw_load_data_button" class="ld-rounded-md ld-bg-blue-600 ld-text-white ld-py-3 ld-px-4 ld-font-medium" type="submit">
<span><?php echo esc_html__( 'Load', 'learndash' ); ?></span>
</button>
</form>
</div>
<?php
}
/**
* Render the course config step.
*
* @param array $process_data Processing data.
*/
private function render_course_config_step( $process_data ) {
?>
<div class="ld-flex ld-flex-wrap ld-flex-col ld-bg-white ld-box-content ld-p-8 ld-border-4" id="ld-course-wizard_<?php echo esc_attr( self::STEP_COURSE_CONFIG ); ?>">
<?php if ( ! empty( $process_data['error_message'] ) ) { ?>
<div class="w-full ld-flex ld-bg-red-100 ld-py-5 ld-px-6 ld-mb-4 ld-text-base ld-text-red-700 ld-mb-3">
<?php echo esc_html( $process_data['error_message'] ); ?>
</div>
<a class="button button-primary" href="<?php echo esc_url( $process_data['try_again_url'] ); ?>"><?php echo esc_html__( 'Try it again', 'learndash' ); ?></a>
<?php } else { ?>
<div class="w-full ld-flex ld-bg-green-100 ld-py-5 ld-px-6 ld-mb-4 ld-text-base ld-text-green-700 ld-mb-3">
<?php echo esc_html( $this->generate_course_creation_message( $process_data ) ); ?>
</div>
<div class="w-full ld-flex ld-flex-wrap ld-flex-col ld-py-5 ld-mb-3">
<div class="w-full ld-flex">
<p class="ld-text-xl"><?php echo esc_html__( 'How users will gain access to the course?', 'learndash' ); ?></p>
</div>
<div class="w-full ld-flex ld-mt-2">
<fieldset>
<div>
<input type="radio" id="ld_cw_course_price_type_open" name="ld_cw_course_price_type" value="open" <?php checked( LEARNDASH_PRICE_TYPE_OPEN, LEARNDASH_DEFAULT_COURSE_PRICE_TYPE ); ?>>
<label class="ld-font-bold" for="ld_cw_course_price_type_open">
<?php echo esc_html__( 'Open', 'learndash' ); ?>
</label>
<p class="ld-ml-6 ld-mb-3"><?php esc_html_e( 'The course is not protected. Any user can access its content without the need to be logged-in or enrolled.', 'learndash' ); ?></p>
</div>
<div>
<input type="radio" id="ld_cw_course_price_type_free" name="ld_cw_course_price_type" value="free" <?php checked( LEARNDASH_PRICE_TYPE_FREE, LEARNDASH_DEFAULT_COURSE_PRICE_TYPE ); ?>>
<label class="ld-font-bold" for="ld_cw_course_price_type_free">
<?php echo esc_html__( 'Free', 'learndash' ); ?>
</label>
<p class="ld-ml-6 ld-mb-3"><?php esc_html_e( 'The course is protected. Registration and enrollment are required in order to access the content.', 'learndash' ); ?></p>
</div>
<div>
<input type="radio" id="ld_cw_course_price_type_buy_now" name="ld_cw_course_price_type" value="paynow" <?php checked( LEARNDASH_PRICE_TYPE_PAYNOW, LEARNDASH_DEFAULT_COURSE_PRICE_TYPE ); ?>>
<label class="ld-font-bold" for="ld_cw_course_price_type_buy_now">
<?php echo esc_html__( 'Buy now', 'learndash' ); ?>
</label>
<p class="ld-ml-6 ld-mb-3"><?php esc_html_e( 'The course is protected via the LearnDash built-in PayPal and/or Stripe. Users need to purchase the course (one-time fee) in order to gain access.', 'learndash' ); ?></p>
<div id="ld_cw_paynow_div" class="ld-ml-6 ld-py-4 ld-border-l-4" style="display: none">
<div class="ld-ml-2">
<label class="ld-mr-10" for="ld_cw_course_price_type_paynow_price">
<?php echo esc_html__( 'Course Price', 'learndash' ); ?>
</label>
<input type="text" id="ld_cw_course_price_type_paynow_price" name="ld_cw_course_price_type_paynow_price" value="">
</div>
</div>
</div>
<div>
<input type="radio" id="ld_cw_course_price_type_subscribe" name="ld_cw_course_price_type" value="subscribe" <?php checked( LEARNDASH_PRICE_TYPE_SUBSCRIBE, LEARNDASH_DEFAULT_COURSE_PRICE_TYPE ); ?>>
<label class="ld-font-bold" for="ld_cw_course_price_type_subscribe">
<?php echo esc_html__( 'Recurring', 'learndash' ); ?>
</label>
<p class="ld-ml-6 ld-mb-3"><?php esc_html_e( 'The course is protected via the LearnDash built-in PayPal and/or Stripe. Users need to purchase the course (recurring fee) in order to gain access.', 'learndash' ); ?></p>
<div id="ld_cw_subscribe_div" class="ld-ml-6 ld-py-4 ld-border-l-4" style="display: none">
<div class="ld-ml-2">
<label class="ld-mr-10" for="ld_cw_course_price_type_subscribe_price">
<?php echo esc_html__( 'Course Price', 'learndash' ); ?>
</label>
<input type="text" id="ld_cw_course_price_type_subscribe_price" name="ld_cw_course_price_type_subscribe_price" value="">
</div>
<div class="ld-mt-4 ld-ml-2">
<span class="ld-mr-10">
<?php echo esc_html__( 'Billing Cycle', 'learndash' ); ?>
</span>
<input size=5 type="number" id="ld_cw_course_price_billing_number" min=0 max=0 name="ld_cw_course_price_billing_number" value="">
<select id="ld_cw_course_price_billing_interval" name="ld_cw_course_price_billing_interval" value="">
<option value=""><?php echo esc_html__( 'select interval', 'learndash' ); ?></option>
<option value="D"><?php echo esc_html__( 'day(s)', 'learndash' ); ?></option>
<option value="W"><?php echo esc_html__( 'week(s)', 'learndash' ); ?></option>
<option value="M"><?php echo esc_html__( 'month(s)', 'learndash' ); ?></option>
<option value="Y"><?php echo esc_html__( 'year(s)', 'learndash' ); ?></option>
</select>
</div>
</div>
</div>
<div>
<input type="radio" id="ld_cw_course_price_type_closed" name="ld_cw_course_price_type" value="closed" <?php checked( LEARNDASH_PRICE_TYPE_CLOSED, LEARNDASH_DEFAULT_COURSE_PRICE_TYPE ); ?>>
<label class="ld-font-bold" for="ld_cw_course_price_type_closed">
<?php echo esc_html__( 'Closed', 'learndash' ); ?>
</label>
<p class="ld-ml-6 ld-mb-3"><?php esc_html_e( 'The course can only be accessed through admin enrollment (manual), group enrollment, or integration (shopping cart or membership) enrollment.', 'learndash' ); ?></p>
</div>
</fieldset>
</div>
</div>
<div class="w-full ld-flex ld-flex-wrap ld-flex-col">
<div class="w-full ld-flex">
<p class="ld-text-xl"><?php echo esc_html__( 'How users will interact with the content?', 'learndash' ); ?></p>
</div>
<div class="w-full ld-flex ld-mt-2">
<fieldset>
<div>
<input type="radio" id="ld_cw_course_progression_linear" name="ld_cw_course_progression" value="" checked="checked">
<label class="ld-font-bold" for="ld_cw_course_progression_linear">
<?php echo esc_html__( 'Linear form', 'learndash' ); ?>
</label>
<p class="ld-ml-6 ld-mb-3"><?php esc_html_e( 'Requires the user to progress through the course in the designated step sequence.', 'learndash' ); ?></p>
</div>
<div>
<input type="radio" id="ld_cw_course_progression_free" name="ld_cw_course_progression" value="on">
<label class="ld-font-bold" for="ld_cw_course_progression_free">
<?php echo esc_html__( 'Free form', 'learndash' ); ?>
</label>
<p class="ld-ml-6 ld-mb-3"><?php esc_html_e( 'Allows the user to move freely through the course without following the designated step sequence.', 'learndash' ); ?></p>
</div>
</fieldset>
</div>
</div>
<?php } ?>
</div>
<?php
}
/**
* Generate the course creation message based on the playlist_data
*
* @param array $process_data Processing data.
* @return string|false The course generation message or false if playlist_data is empty.
*/
private function generate_course_creation_message( $process_data ) {
if ( empty( $process_data['playlist_data'] ) ) {
return false;
}
$course_name = $process_data['playlist_data']->playlist_title;
$course_qty_lessons = $process_data['playlist_data']->playlist_count;
return sprintf(
// translators: placeholders: course name, lessons qty description.
esc_html_x( 'The course "%1$s" will be created with %2$s.', 'placeholders: course name, lessons qty description', 'learndash' ),
$course_name,
// translators: placeholders: number of lessons.
sprintf( _n( '%s lesson', '%s lessons', $course_qty_lessons, 'learndash' ), $course_qty_lessons )
);
}
/**
* Create a course based on the playlist.
*
* @param object $playlist_data - Playlist data. {
* { @type string $playlist_title Playlist title.
* @type string $playlist_description Playlist description.
* @type int $playlist_count Playlist count.
* @type array $playlist_items {
* @type string $video_title Video title.
* @type string $video_description Video description.
* @type string $video_id Video id.
* @type string $video_url Video url.
* } Playlist items.
* }
* @param string $course_price_type - Course price type.
* @param string $course_disable_lesson_progression - Course disable lesson progression.
* @param string $course_price - Course price, only for paynow and subscribe.
* @param string $course_price_billing_number - Course price billing cycle number, only for subscribe.
* @param string $course_price_billing_interval - Course price billing cycle interval, only for subscribe.
* @return int - Course post id
*/
private function create_course_from_playlist( $playlist_data, $course_price_type, $course_disable_lesson_progression, $course_price = null, $course_price_billing_number = null, $course_price_billing_interval = null ) {
$course_post = array(
'post_title' => sanitize_text_field( $playlist_data->playlist_title ),
'post_content' => sanitize_text_field( $playlist_data->playlist_description ),
'post_type' => learndash_get_post_type_slug( 'course' ),
'post_status' => 'publish',
);
$course_id = wp_insert_post( $course_post );
$shared_steps = LearnDash_Settings_Section::get_section_setting( 'LearnDash_Settings_Courses_Builder', 'shared_steps' ) === 'yes';
// lesson data.
foreach ( $playlist_data->playlist_items as $video_data ) {
$lesson_post = array(
'post_title' => sanitize_text_field( $video_data->video_title ),
'post_content' => sanitize_text_field( $video_data->video_description ),
'post_type' => learndash_get_post_type_slug( 'lesson' ),
'post_status' => 'publish',
'meta_input' => array(
'course_id' => $course_id,
),
);
$lesson_id = wp_insert_post( $lesson_post );
learndash_update_setting( $lesson_id, 'lesson_video_enabled', 'on' );
learndash_update_setting( $lesson_id, 'lesson_video_url', sanitize_text_field( $video_data->video_url ) );
if ( ! $shared_steps ) {
learndash_update_setting( $lesson_id, 'course', $course_id );
}
}
learndash_update_setting( $course_id, 'course_price_type', sanitize_text_field( $course_price_type ) );
learndash_update_setting( $course_id, 'course_disable_lesson_progression', sanitize_text_field( $course_disable_lesson_progression ) );
if ( 'paynow' === $course_price_type || 'subscribe' === $course_price_type ) {
learndash_update_setting( $course_id, 'course_price', sanitize_text_field( $course_price ) );
if ( 'subscribe' === $course_price_type ) {
learndash_update_setting( $course_id, 'course_price_billing_p3', sanitize_text_field( $course_price_billing_number ) );
learndash_update_setting( $course_id, 'course_price_billing_t3', sanitize_text_field( $course_price_billing_interval ) );
}
}
return $course_id;
}
}
}