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<?php |
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defined( 'ABSPATH' ) || exit; |
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|
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if ( ! class_exists( 'LP_AJAX' ) ) { |
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class LP_AJAX { |
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/** |
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* Init common ajax events |
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*/ |
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public static function init() { |
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$ajax_events = array( |
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'checkout-user-email-exists:nopriv', |
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'recover-order', |
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'request-become-a-teacher:nonce', |
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'checkout:nopriv', |
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'complete-lesson', |
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'finish-course', // finish_course. |
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'external-link:nopriv', |
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); |
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|
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$ajax_events = apply_filters( 'learn-press/ajax/events', $ajax_events ); |
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|
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foreach ( $ajax_events as $action => $callback ) { |
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|
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if ( is_numeric( $action ) ) { |
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$action = $callback; |
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} |
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|
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$actions = LP_Request::parse_action( $action ); |
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$method = $actions['action']; |
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|
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if ( ! is_callable( $callback ) ) { |
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$method = preg_replace( '/-/', '_', $method ); |
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$callback = array( __CLASS__, $method ); |
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} |
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|
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LP_Request::register_ajax( $action, $callback ); |
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} |
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} |
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|
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public static function external_link() { |
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$nonce = LP_Request::get( 'nonce' ); |
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$id = LP_Request::get( 'id' ); |
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$course = learn_press_get_course( $id ); |
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|
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if ( ! $course ) { |
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return; |
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} |
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|
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$link = $course->get_external_link(); |
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|
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if ( ! wp_verify_nonce( $nonce, 'external-link-' . $link ) ) { |
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return; |
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} |
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|
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if ( apply_filters( 'learn-press/course-redirect-external-link', $id ) ) { |
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wp_redirect( $link ); |
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exit(); |
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} |
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} |
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|
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public static function checkout() { |
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LearnPress::instance()->checkout()->process_checkout_handler(); |
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} |
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|
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public static function request_become_a_teacher() { |
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LP_Forms_Handler::process_become_teacher(); |
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} |
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|
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public static function recover_order() { |
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if ( ! LP_Request::verify_nonce( 'recover-order' ) ) { |
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return; |
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} |
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|
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$factory = new LP_Order_CURD(); |
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$user_id = get_current_user_id(); |
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$order_key = LP_Request::get_string( 'order-key' ); |
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$order = $factory->recover( $order_key, $user_id ); |
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$result = array( 'result' => 'success' ); |
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|
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if ( is_wp_error( $order ) ) { |
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$result['message'] = $order->get_error_message(); |
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$result['result'] = 'error'; |
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} else { |
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$result['message'] = sprintf( |
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__( 'The order %s has been successfully recovered.', 'learnpress' ), |
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$order_key |
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); |
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$result['redirect'] = $order->get_view_order_url(); |
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} |
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|
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$result = apply_filters( 'learn-press/order/recover-result', $result, $order_key, $user_id ); |
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|
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learn_press_maybe_send_json( $result ); |
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|
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if ( ! empty( $result['message'] ) ) { |
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learn_press_add_message( $result['message'] ); |
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} |
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|
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if ( ! empty( $result['redirect'] ) ) { |
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wp_redirect( $result['redirect'] ); |
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exit(); |
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} |
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} |
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|
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public static function checkout_user_email_exists() { |
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$email = LP_Request::get_email( 'email' ); |
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$response = array( |
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'exists' => 0, |
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); |
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|
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if ( email_exists( $email ) ) { |
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$response['exists'] = $email; |
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$output = '<div class="lp-guest-checkout-output">' . __( |
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'Your email already exists. Do you want to continue with this email?', |
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'learnpress' |
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) . '</div>'; |
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} else { |
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$output = '<label class="lp-guest-checkout-output"> |
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<input type="checkbox" name="checkout-email-option" value="new-account"> |
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' . __( |
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'Create a new account with this email. The account information will be sent with this email.', |
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'learnpress' |
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) . ' |
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</label>'; |
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} |
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|
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$response['output'] = apply_filters( 'learnpress/guest_checkout_email_exist_output', $output, $email ); |
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|
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learn_press_maybe_send_json( $response ); |
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} |
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|
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/** |
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* Request finish course |
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* |
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* TODO: should move this function to api - tungnx |
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*/ |
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public static function finish_course() { |
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$nonce = LP_Request::get_string( 'finish-course-nonce' ); |
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$course_id = LP_Request::get_int( 'course-id' ); |
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$course = learn_press_get_course( $course_id ); |
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$user = learn_press_get_current_user(); |
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|
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$nonce_action = sprintf( 'finish-course-%d-%d', $course_id, $user->get_id() ); |
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|
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if ( ! $user->get_id() || ! $course || ! wp_verify_nonce( $nonce, $nonce_action ) ) { |
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wp_die( __( 'Access denied!', 'learnpress' ) ); |
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} |
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|
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$finished = $user->finish_course( $course_id ); |
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$lp_redirect = LP_Settings::get_option( 'course_finish_redirect' ); |
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$redirect = ! empty( $lp_redirect ) ? $lp_redirect : get_the_permalink( $course_id ); |
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|
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$response = array( |
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'redirect' => apply_filters( |
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'learn-press/finish-course-redirect', |
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$redirect, |
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$course_id |
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), |
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); |
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|
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if ( $finished ) { |
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learn_press_update_user_item_meta( $finished, 'finishing_type', 'click' ); |
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learn_press_add_message( sprintf( __( 'You have finished this course "%s"', 'learnpress' ), $course->get_title() ) ); |
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$response['result'] = 'success'; |
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} else { |
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learn_press_add_message( __( 'Error! You cannot finish this course. Please contact your administrator for more information.', 'learnpress' ) ); |
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$response['result'] = 'error'; |
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} |
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|
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learn_press_maybe_send_json( $response ); |
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|
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if ( ! empty( $response['redirect'] ) ) { |
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wp_redirect( $response['redirect'] ); |
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exit(); |
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} |
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} |
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|
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/** |
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* Complete lesson |
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*/ |
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public static function complete_lesson() { |
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$response = array( |
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'result' => 'error', |
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'redirect' => '', |
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); |
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|
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try { |
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$nonce = LP_Helper::sanitize_params_submitted( $_POST['complete-lesson-nonce'] ?? '' ); |
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$lesson_id = LP_Helper::sanitize_params_submitted( $_POST['id'] ?? 0 ); |
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$course_id = LP_Helper::sanitize_params_submitted( $_POST['course_id'] ?? 0 ); |
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|
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if ( ! wp_verify_nonce( $nonce, 'lesson-complete' ) ) { |
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throw new Exception( __( 'Error! Invalid lesson or failed security check.', 'learnpress' ) ); |
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} |
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|
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$lesson = get_post( $lesson_id ); |
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if ( ! $lesson || $lesson->post_type !== LP_LESSON_CPT ) { |
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throw new Exception( __( 'Error! Invalid lesson.', 'learnpress' ) ); |
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} |
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|
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$user = learn_press_get_current_user(); |
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if ( $user instanceof LP_User_Guest ) { |
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throw new Exception( __( 'Please login.', 'learnpress' ) ); |
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} |
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|
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$course = learn_press_get_course( $course_id ); |
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if ( ! $course ) { |
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throw new Exception( __( 'Course is invalid!.', 'learnpress' ) ); |
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} |
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|
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$item = $course->get_item( $lesson_id ); |
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if ( ! $item instanceof LP_Course_Item ) { |
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throw new Exception( 'Item is invalid!', 'learnpress' ); |
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} |
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|
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$result = $user->complete_lesson( $lesson_id, $course_id ); |
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$response['redirect'] = $course->get_item_link( $lesson_id ); |
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|
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if ( ! is_wp_error( $result ) ) { |
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if ( $course->get_next_item() ) { |
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$next = $course->get_next_item(); |
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$response['redirect'] = $course->get_item_link( $next ); |
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} |
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|
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learn_press_add_message( sprintf( __( 'Congrats! You have completed "%s".', 'learnpress' ), $item->get_title() ) ); |
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$response['result'] = 'success'; |
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} else { |
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learn_press_add_message( $result->get_error_message(), 'error' ); |
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} |
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|
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$response = apply_filters( 'learn-press/user-completed-lesson-result', $response, $lesson_id, $course_id, $user->get_id() ); |
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} catch ( Exception $ex ) { |
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learn_press_add_message( $ex->getMessage(), 'error' ); |
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} |
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|
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//learn_press_maybe_send_json( $response ); |
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|
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if ( ! empty( $response['redirect'] ) ) { |
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wp_redirect( $response['redirect'] ); |
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exit(); |
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} |
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} |
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} |
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} |
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|
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LP_AJAX::init(); |
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|
