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<?php |
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/** |
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* Public read-only Appointment time preflight endpoint. |
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* |
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* @package Booking Calendar |
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*/ |
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|
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; |
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} |
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|
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/** |
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* Read and validate selected SQL dates from an Appointment preflight request. |
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* |
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* @return array<int,string>|WP_Error Unique YYYY-MM-DD dates or an error. |
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*/ |
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function wpbc_booking_appointment_get_preflight_dates() { |
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$raw_dates = isset( $_POST['dates'] ) && is_array( $_POST['dates'] ) ? wp_unslash( $_POST['dates'] ) : array(); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized |
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if ( empty( $raw_dates ) || count( $raw_dates ) > 31 ) { |
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return new WP_Error( 'appointment_dates_invalid', __( 'Select a valid appointment date and try again.', 'booking' ) ); |
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} |
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|
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$dates = array(); |
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foreach ( $raw_dates as $raw_date ) { |
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if ( is_array( $raw_date ) ) { |
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return new WP_Error( 'appointment_dates_invalid', __( 'Select a valid appointment date and try again.', 'booking' ) ); |
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} |
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$date = sanitize_text_field( $raw_date ); |
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$date_parts = array_map( 'absint', explode( '-', $date ) ); |
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if ( $date !== wpbc_sanitize_date( $date ) || 3 !== count( $date_parts ) || ! checkdate( $date_parts[1], $date_parts[2], $date_parts[0] ) ) { |
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return new WP_Error( 'appointment_dates_invalid', __( 'Select a valid appointment date and try again.', 'booking' ) ); |
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} |
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$dates[] = $date; |
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} |
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|
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$dates = array_values( array_unique( $dates ) ); |
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sort( $dates ); |
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$first_date = strtotime( reset( $dates ) . ' 00:00:00 UTC' ); |
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$last_date = strtotime( end( $dates ) . ' 00:00:00 UTC' ); |
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if ( false === $first_date || false === $last_date || ( $last_date - $first_date ) > YEAR_IN_SECONDS ) { |
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return new WP_Error( 'appointment_dates_invalid', __( 'Select appointment dates within one year and try again.', 'booking' ) ); |
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} |
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|
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return $dates; |
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} |
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|
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/** |
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* Convert one strict browser start-time value to seconds in the day. |
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* |
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* @return int|WP_Error Start time in seconds, including zero for midnight. |
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*/ |
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function wpbc_booking_appointment_get_preflight_start_seconds( $start_time = null ) { |
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if ( null === $start_time ) { |
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$start_time = isset( $_POST['start_time'] ) && ! is_array( $_POST['start_time'] ) ? sanitize_text_field( wp_unslash( $_POST['start_time'] ) ) : ''; |
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} else { |
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$start_time = is_scalar( $start_time ) ? sanitize_text_field( (string) $start_time ) : ''; |
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} |
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if ( ! preg_match( '/^(?:[01]?\d|2[0-3]):[0-5]\d(?::[0-5]\d)?$/', $start_time ) ) { |
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return new WP_Error( 'appointment_start_time_invalid', __( 'Select a valid start time and try again.', 'booking' ) ); |
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} |
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|
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$parts = array_map( 'absint', explode( ':', $start_time ) ); |
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return ( $parts[0] * HOUR_IN_SECONDS ) + ( $parts[1] * MINUTE_IN_SECONDS ) + ( isset( $parts[2] ) ? $parts[2] : 0 ); |
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} |
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|
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/** |
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* Read a bounded list of Start Time options for one bulk availability pass. |
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* |
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* @return string[]|WP_Error Unique strict browser time values or an error. |
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*/ |
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function wpbc_booking_appointment_get_preflight_start_times() { |
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$raw_times = isset( $_POST['start_times'] ) && is_array( $_POST['start_times'] ) ? wp_unslash( $_POST['start_times'] ) : array(); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized |
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if ( empty( $raw_times ) || count( $raw_times ) > 1440 ) { |
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return new WP_Error( 'appointment_start_times_invalid', __( 'Available start times could not be checked. Reload the page and try again.', 'booking' ) ); |
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} |
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|
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$start_times = array(); |
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foreach ( $raw_times as $raw_time ) { |
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$start_seconds = wpbc_booking_appointment_get_preflight_start_seconds( $raw_time ); |
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if ( is_wp_error( $start_seconds ) ) { |
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return $start_seconds; |
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} |
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$start_times[] = sanitize_text_field( (string) $raw_time ); |
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} |
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|
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return array_values( array_unique( $start_times ) ); |
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} |
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|
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/** |
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* Evaluate one start time against Service duration and preloaded intervals. |
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* |
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* @param array $service Effective Service values. |
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* @param string[] $dates Selected SQL dates. |
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* @param string $start_time Strict browser time value. |
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* @param int $maximum_duration Maximum allowed duration in minutes. |
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* @param array<int,array<string,int>> $existing_intervals Existing Provider intervals. |
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* |
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* @return array<string,mixed> Public, non-sensitive validation result. |
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*/ |
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function wpbc_booking_appointment_validate_one_start_time( $service, $dates, $start_time, $maximum_duration, $existing_intervals ) { |
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$start_seconds = wpbc_booking_appointment_get_preflight_start_seconds( $start_time ); |
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if ( is_wp_error( $start_seconds ) ) { |
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return array( 'valid' => false, 'message' => $start_seconds->get_error_message(), 'code' => $start_seconds->get_error_code() ); |
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} |
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|
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$end_seconds = wpbc_appointment_services_resolve_end_seconds( $service, $start_seconds, $maximum_duration ); |
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if ( is_wp_error( $end_seconds ) ) { |
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return array( 'valid' => false, 'message' => $end_seconds->get_error_message(), 'code' => $end_seconds->get_error_code() ); |
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} |
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|
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$buffer_check = wpbc_appointment_services_check_buffer_conflicts_in_intervals( $service, $dates, array( $start_seconds, $end_seconds ), $existing_intervals ); |
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if ( is_wp_error( $buffer_check ) ) { |
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return array( |
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'valid' => false, |
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'message' => $buffer_check->get_error_message(), |
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'code' => $buffer_check->get_error_code(), |
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'start_time' => sanitize_text_field( $start_time ), |
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'end_time' => wpbc_transform__seconds__in__24_hours_his( $end_seconds ), |
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); |
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} |
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|
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return array( |
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'valid' => true, |
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'message' => '', |
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'code' => '', |
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'start_time' => sanitize_text_field( $start_time ), |
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'end_time' => wpbc_transform__seconds__in__24_hours_his( $end_seconds ), |
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); |
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} |
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|
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/** |
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* Validate a selected Appointment time with the same Service rules as save. |
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* |
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* Expected scheduling conflicts return HTTP 200 with `valid: false`; invalid |
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* or tampered request context remains a controlled HTTP error. |
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* |
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* @return void Terminates with a JSON response. |
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*/ |
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function wpbc_booking_appointment_ajax_validate_time() { |
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if ( false === check_ajax_referer( 'wpbc_booking_appointment_ajax', 'nonce', false ) ) { |
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wp_send_json_error( array( 'message' => __( 'Security check failed. Reload the page and try again.', 'booking' ) ), 403 ); |
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} |
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|
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$service_id = isset( $_POST['service_id'] ) && ! is_array( $_POST['service_id'] ) ? absint( wp_unslash( $_POST['service_id'] ) ) : 0; |
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$provider_id = isset( $_POST['provider_id'] ) && ! is_array( $_POST['provider_id'] ) ? absint( wp_unslash( $_POST['provider_id'] ) ) : 0; |
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$context_token = isset( $_POST['context_token'] ) && ! is_array( $_POST['context_token'] ) ? sanitize_text_field( wp_unslash( $_POST['context_token'] ) ) : ''; // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized |
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$context_check = wpbc_booking_appointment_validate_submission_context( $context_token, $service_id, $provider_id ); |
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if ( is_wp_error( $context_check ) ) { |
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wp_send_json_error( array( 'message' => $context_check->get_error_message(), 'code' => $context_check->get_error_code() ), 400 ); |
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} |
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|
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$dates = wpbc_booking_appointment_get_preflight_dates(); |
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if ( is_wp_error( $dates ) ) { |
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$error = $dates; |
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wp_send_json_error( array( 'message' => $error->get_error_message(), 'code' => $error->get_error_code() ), 400 ); |
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} |
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|
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$service = wpbc_appointment_services_repository()->find_active_for_resource( $service_id, $provider_id ); |
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if ( is_wp_error( $service ) ) { |
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wp_send_json_error( array( 'message' => $service->get_error_message(), 'code' => $service->get_error_code() ), 400 ); |
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} |
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|
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$maximum_duration = absint( apply_filters( 'wpbc_booking_appointment_maximum_duration_minutes', 24 * 60, $context_check ) ); |
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$existing_intervals = wpbc_appointment_services_get_existing_buffer_intervals( $provider_id, $dates ); |
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|
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if ( isset( $_POST['start_times'] ) ) { |
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$start_times = wpbc_booking_appointment_get_preflight_start_times(); |
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if ( is_wp_error( $start_times ) ) { |
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wp_send_json_error( array( 'message' => $start_times->get_error_message(), 'code' => $start_times->get_error_code() ), 400 ); |
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} |
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|
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$slots = array(); |
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foreach ( $start_times as $start_time ) { |
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$slots[ $start_time ] = wpbc_booking_appointment_validate_one_start_time( $service, $dates, $start_time, $maximum_duration, $existing_intervals ); |
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} |
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wp_send_json_success( |
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array( |
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'valid' => true, |
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'slots' => $slots, |
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'duration' => absint( $service['duration_minutes'] ), |
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'buffer_before' => absint( $service['buffer_before_minutes'] ), |
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'buffer_after' => absint( $service['buffer_after_minutes'] ), |
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) |
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); |
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} |
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|
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$start_time = isset( $_POST['start_time'] ) && ! is_array( $_POST['start_time'] ) ? sanitize_text_field( wp_unslash( $_POST['start_time'] ) ) : ''; |
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$result = wpbc_booking_appointment_validate_one_start_time( $service, $dates, $start_time, $maximum_duration, $existing_intervals ); |
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if ( empty( $result['valid'] ) ) { |
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wp_send_json_success( $result ); |
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} |
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|
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wp_send_json_success( |
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array_merge( |
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$result, |
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array( |
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'duration' => absint( $service['duration_minutes'] ), |
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'buffer_before' => absint( $service['buffer_before_minutes'] ), |
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'buffer_after' => absint( $service['buffer_after_minutes'] ), |
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) |
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) |
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); |
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} |
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add_action( 'wp_ajax_nopriv_WPBC_AJX_BOOKING_APPOINTMENT_VALIDATE_TIME', 'wpbc_booking_appointment_ajax_validate_time' ); |
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add_action( 'wp_ajax_WPBC_AJX_BOOKING_APPOINTMENT_VALIDATE_TIME', 'wpbc_booking_appointment_ajax_validate_time' ); |
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|
