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Edit File: calendar_load.php

<?php

if ( ! defined( 'ABSPATH' ) ) exit;                                             // Exit if accessed directly            // FixIn: 9.8.0.4.

/**
 * Define parameters  for calendar -- which  is required for JS calendar show
 *
 * @param $params
 *
 * @return string
 */
function wpbc__calendar__set_js_params__before_show( $params ) {

$start_script_code = '';

// Server Balancer  -------------------------------------------------------------------------------------------     //FixIn: // FixIn: 9.8.6.2.
	$balancer_max_threads = intval( get_bk_option( 'booking_load_balancer_max_threads' ) );
	$balancer_max_threads = ( empty( $balancer_max_threads ) ) ? 1 : $balancer_max_threads;
	$start_script_code .= " _wpbc.balancer__set_max_threads( " . $balancer_max_threads . " ); ";

$resource_id = isset( $params['resource_id'] ) ? intval( $params['resource_id'] ) : 1;

// Start Month  ----------------------------------------------------------------------------------------------------
	$calendar_scroll_to = ( ( isset( $params['start_month_calendar'] ) ) && ( is_array( $params['start_month_calendar'] ) ) && ( count( $params['start_month_calendar'] ) > 0 ) )
							? "[ " . strval( intval( $params['start_month_calendar'][0] ) ) . "," . strval( intval( $params['start_month_calendar'][1] ) ) . " ]"
							: 'false';
	$start_script_code .= " _wpbc.calendar__set_param_value( " . $resource_id . " , 'calendar_scroll_to' , " . $calendar_scroll_to . " ); ";

// Set Start / End Date in Calendar.
	$params['calendar_dates_start'] = ( empty( $params['calendar_dates_start'] ) ) ? '' : $params['calendar_dates_start'];
	$start_script_code             .= ' _wpbc.calendar__set_param_value( ' . $resource_id . " , 'calendar_dates_start' , '" . $params['calendar_dates_start'] . "' ); ";
	$params['calendar_dates_end']   = ( empty( $params['calendar_dates_end'] ) ) ? '' : $params['calendar_dates_end'];
	$start_script_code             .= ' _wpbc.calendar__set_param_value( ' . $resource_id . " , 'calendar_dates_end' , '" . $params['calendar_dates_end'] . "' ); ";
	if ( ( ! empty( $params['calendar_dates_start'] ) ) || ( ! empty( $params['calendar_dates_end'] ) ) ) {
		$start_script_code .= wpbc_get_localized_js__time_local( $params['calendar_dates_start'] );
	}

// Max months to  scroll -------------------------------------------------------------------------------------------
	$start_script_code .= " _wpbc.calendar__set_param_value( " . $resource_id . " , 'booking_max_monthes_in_calendar' , '" . esc_js( get_bk_option( 'booking_max_monthes_in_calendar' ) ) . "' ); ";        // FixIn: 10.6.1.3.

// Start of WeekDay  -----------------------------------------------------------------------------------------------
	$start_script_code .= " _wpbc.calendar__set_param_value( " . $resource_id . " , 'booking_start_day_weeek' , '" . esc_js( get_bk_option( 'booking_start_day_weeek' ) ) . "' ); ";        // FixIn: 10.6.1.3.

// Number of visible months  -----------------------------------------------------------------------------------------------
	$start_script_code .= " _wpbc.calendar__set_param_value( " . $resource_id . " , 'calendar_number_of_months' , '" . $params['calendar_number_of_months'] . "' ); ";

// -----------------------------------------------------------------------------------------------------------------
	// Days Selection
	// -----------------------------------------------------------------------------------------------------------------
	$days_selection_arr = wpbc__calendar__js_params__get_days_selection_arr();

$start_script_code .= "  _wpbc.calendar__set_param_value( " . $resource_id . ", 'days_select_mode', '" . $days_selection_arr['days_select_mode'] . "' ); ";
	$start_script_code .= "  _wpbc.calendar__set_param_value( " . $resource_id . ", 'fixed__days_num', " . $days_selection_arr['fixed__days_num'] . " ); ";
	$start_script_code .= "  _wpbc.calendar__set_param_value( " . $resource_id . ", 'fixed__week_days__start',   [" . $days_selection_arr['fixed__week_days__start'] . "] ); ";
	$start_script_code .= "  _wpbc.calendar__set_param_value( " . $resource_id . ", 'dynamic__days_min', " . $days_selection_arr['dynamic__days_min'] . " ); ";
	$start_script_code .= "  _wpbc.calendar__set_param_value( " . $resource_id . ", 'dynamic__days_max', " . $days_selection_arr['dynamic__days_max'] . " ); ";
	$start_script_code .= "  _wpbc.calendar__set_param_value( " . $resource_id . ", 'dynamic__days_specific',    [" . $days_selection_arr['dynamic__days_specific'] . "] ); ";
	$start_script_code .= "  _wpbc.calendar__set_param_value( " . $resource_id . ", 'dynamic__week_days__start', [" . $days_selection_arr['dynamic__week_days__start'] . "] ); ";

/**
	 * For Debug ::
	//    $start_script_code .= " _wpbc.calendar__set_parameters( " . $resource_id . ", {
	//                                                                                              'days_select_mode'        : 'dynamic',
	//                                                                                              'dynamic__days_min'      : 7,
	//                                                                                              'dynamic__days_max'      : 14,
	//                                                                                              'dynamic__days_specific' : [7,10,14],
	//                                                                                              'dynamic__week_days__start'    : [-1]
	//                                                                                          } ); ";
	// Calendar - Set calendar parameter and value
	//    $start_script_code .= "  _wpbc.calendar__set_param_value( " . $resource_id . ", 'days_select_mode'   , 'multiple'     ); ";
	//    $start_script_code .= "  _wpbc.calendar__set_param_value( " . $resource_id . ", 'days_select_mode'   , 'fixed'     ); ";
	//    $start_script_code .= "  _wpbc.calendar__set_param_value( " . $resource_id . ", 'fixed__days_num'   , 7     ); ";
	//    $start_script_code .= "  _wpbc.calendar__set_param_value( " . $resource_id . ", 'fixed__week_days__start' , [-1]  ); ";
	*/

// Date / Time formats:
	$start_script_code .= "  _wpbc.calendar__set_param_value( " . $resource_id . ", 'booking_date_format', '" . esc_js( get_bk_option( 'booking_date_format' ) ) . "' ); ";
	$start_script_code .= "  _wpbc.calendar__set_param_value( " . $resource_id . ", 'booking_time_format', '" . esc_js( get_bk_option( 'booking_time_format' ) ) . "' ); ";

// Capacity | availability  ----------------------------------------------------------------------------------------
	if ( class_exists( 'wpdev_bk_biz_l' ) ) {
		$start_script_code .= " _wpbc.calendar__set_param_value( " . $resource_id . " , 'is_parent_resource' , " . ( wpbc_get_child_resources_number( $resource_id ) ? 1 : 0 ) . " ); ";
		$start_script_code .= " _wpbc.calendar__set_param_value( " . $resource_id . " , 'booking_capacity_field' , '" . wpbc_get__booking_capacity_field__name() . "' ); ";
		$start_script_code .= " _wpbc.calendar__set_param_value( " . $resource_id . " , 'booking_is_dissbale_booking_for_different_sub_resources' , '" . get_bk_option( 'booking_is_dissbale_booking_for_different_sub_resources' ) . "' ); ";
	}
	if ( class_exists( 'wpdev_bk_biz_s' ) ) {
		$start_script_code .= " _wpbc.calendar__set_param_value( " . $resource_id . " , 'booking_recurrent_time' , '" . esc_js( get_bk_option( 'booking_recurrent_time' ) ) . "' ); ";        // FixIn: 10.6.1.3.
	}

// -----------------------------------------------------------------------------------------------------------------
	// Save initial values of days selection for later use in conditional day logic
    $start_script_code .= "  if ( 'function' === typeof ( wpbc__conditions__SAVE_INITIAL__days_selection_params__bm ) ){ wpbc__conditions__SAVE_INITIAL__days_selection_params__bm( " . $resource_id . " ); } ";

if (
			( ! empty( $params['shortcode_options'] ) )
	     && ( function_exists( 'wpbc_parse_shortcode_option__set_days_selection_conditions' ) )
	){
		$days_selection_conditions = wpbc_parse_shortcode_option__set_days_selection_conditions( $resource_id, $params['shortcode_options'] );
		if ( ! empty( $days_selection_conditions ) ) {
			$start_script_code .= "  _wpbc.calendar__set_param_value( " . $resource_id . ", 'conditions', " . wp_json_encode( $days_selection_conditions['conditions'] ). " ); ";
			$start_script_code .= "  _wpbc.seasons__set( " . $resource_id . ", " . wp_json_encode( $days_selection_conditions['seasons'] ) . " ); ";
		}
	}

return $start_script_code;
}

/**
		 * Get days selection parameters,  which saved in database
		 *
		 * @return array
		 */
		function wpbc__calendar__js_params__get_days_selection_arr(){

$specific_days_selection = ( function_exists( 'wpbc_get_specific_range_dates__as_comma_list' ) )
										? wpbc_get_specific_range_dates__as_comma_list( get_bk_option( 'booking_range_selection_days_specific_num_dynamic' ) )
										: '';
			$data_arr = array();
			// Modes :: Selection of Days
			$data_arr['days_select_mode'] = ( 'range' === get_bk_option('booking_type_of_day_selections') )
														? get_bk_option('booking_range_selection_type')
														: get_bk_option( 'booking_type_of_day_selections');
			$data_arr['fixed__days_num']            = intval( get_bk_option( 'booking_range_selection_days_count' ) );                 /* Number of days selection with 1 mouse click */
			$data_arr['fixed__week_days__start']    = get_bk_option( 'booking_range_start_day' );                                      /* { -1 - Any | 0 - Su,  1 - Mo,  2 - Tu, 3 - We, 4 - Th, 5 - Fr, 6 - Sat } */
			$data_arr['dynamic__days_min']          = intval( get_bk_option( 'booking_range_selection_days_count_dynamic' ) );         /* Min. Number of days selection with 2 mouse clicks */
			$data_arr['dynamic__days_max']          = intval( get_bk_option( 'booking_range_selection_days_max_count_dynamic' ) );     /* Max. Number of days selection with 2 mouse clicks */
			$data_arr['dynamic__days_specific']     = $specific_days_selection;                                                        /* Example: '5,7' */
			$data_arr['dynamic__week_days__start']  = get_bk_option( 'booking_range_start_day_dynamic' );                              /* { -1 - Any | 0 - Su,  1 - Mo,  2 - Tu, 3 - We, 4 - Th, 5 - Fr, 6 - Sat } */

// Fix about possible issue of downgrade from  Paid to  free version  and try  to  use 'Range days' selection,  which  is not supports in that  version.      // FixIn: 10.4.0.4.
			if ( ( ! class_exists( 'wpdev_bk_biz_s' ) ) && ( in_array( $data_arr['days_select_mode'], array( 'dynamic', 'fixed' ) ) ) ) {
				$data_arr['days_select_mode'] = 'multiple';
			}

return $data_arr;
		}

/**
 * Get  JavaScript for Calendar Loading:        1.Show Calendar      2. Send Ajax to Load bookings / availability / data for calendar
 *
 * @param $params
 *
 * @return string
 */
function wpbc__calendar__load( $params = array() ){

$defaults = array(
		'resource_id'                     => '1',        // $resource_id.
		'aggregate_resource_id_arr'       => array(),    // It is array  of booking resources from aggregate parameter().
		'selected_dates_without_calendar' => '',         // $my_selected_dates_without_calendar.
		'calendar_number_of_months'       => 1,          // $my_boook_count.
		'start_month_calendar'            => false,      // $start_month_calendar.
		'shortcode_options'               => '',         // options from the Booking Calendar shortcode. Usually  it's conditional dates selection parameters.
		'custom_form'                     => 'standard',
		'calendar_dates_start'                      => '',         // '2026-01-01'.
		'calendar_dates_end'                        => '',         // '2026-07-26'.
	);
	$params   = wp_parse_args( $params, $defaults );

// Resource ID.
	$params['resource_id'] = (int) $params['resource_id'];

$start_script_code = '<script type="text/javascript"> ' . wpbc_jq_ready_start();                                    // FixIn: 10.1.3.7.

// $start_script_code  .= " wpbc_calendar__loading__start( {$params['resource_id']} ); ";   //.

$start_script_code .= wpbc__calendar__set_js_params__before_show( $params );

// -----------------------------------------------------------------------------------------------------------------
	// Show calendar
	$start_script_code .= "  wpbc_calendar_show( '" . $params['resource_id'] . "' ); ";

// -----------------------------------------------------------------------------------------------------------------
	// Set Security - Nonce for Ajax  - Listing
	$start_script_code .= "  _wpbc.set_secure_param( 'nonce',   '" . wp_create_nonce( 'wpbc_calendar_load_ajx' . '_wpbcnonce' ) . "' ); ";
	$start_script_code .= "  _wpbc.set_secure_param( 'user_id', '" . wpbc_get_current_user_id() . "' ); ";
	$start_script_code .= "  _wpbc.set_secure_param( 'locale',  '" . get_user_locale() . "' ); ";

// -----------------------------------------------------------------------------------------------------------------
	// Get parameters for Ajax request
	$get_booking_hash = ( ( isset( $_GET['booking_hash'] ) ) ? sanitize_text_field( wp_unslash( $_GET['booking_hash'] ) ) : '' );  /* phpcs:ignore WordPress.Security.NonceVerification.Recommended, WordPress.Security.NonceVerification.Missing */ /* FixIn: sanitize_unslash */
	$booking_hash   = $get_booking_hash;

// FixIn: 9.8.15.10.
	$aggregate_type = 'all';
	if (
			( ! empty( $params['shortcode_options'] ) )
	     && ( function_exists( 'wpbc_parse_calendar_options__aggregate_param' ) )
	) {
		$aggregate_type = wpbc_parse_calendar_options__aggregate_param( $params['shortcode_options'] );
		if ( ( ! empty( $aggregate_type ) ) && ( ! empty( $aggregate_type['type'] ) ) ) {
			$aggregate_type = $aggregate_type['type'];
		} else {
			$aggregate_type = 'all';
		}
	}

/**
	 * About ['request_uri']:
	 *                       At ( front-end ) side the           $_SERVER['REQUEST_URI'] = '/resource-id2/'             which is good
	 *     but in Ajax Response (admin side ) we will have:
	 *                                                           $_SERVER['REQUEST_URI']  = '/wp-admin/admin-ajax.php'
	 *                                                           $_SERVER['HTTP_REFERER'] = 'http://beta/resource-id2/'
	 *     that is why  we define 'request_uri' here at  front-end side.
	 */
	$server_request_uri = ( ( isset( $_SERVER['REQUEST_URI'] ) ) ? sanitize_text_field( $_SERVER['REQUEST_URI'] ) : '' );  /* phpcs:ignore WordPress.Security.NonceVerification.Missing, WordPress.Security.ValidatedSanitizedInput.MissingUnslash */ /* FixIn: sanitize_unslash */
	$params_for_request = array(
									'resource_id'    => $params['resource_id'],
									'booking_hash'   => $booking_hash,
									'request_uri'    => $server_request_uri,                                            // Is it the same as window.location.href or
									'custom_form'    => $params['custom_form'],                                             // Optional.
									'aggregate_resource_id_str' => implode( ',', $params['aggregate_resource_id_arr'] ),    // Optional. Resource ID   from  aggregate parameter in shortcode.
									'aggregate_type' => $aggregate_type                                                     // Optional. 'all' | 'bookings_only'  <- it is depends on shortcode parameter:   options="{aggregate type=bookings_only}"
								);
	$params_for_request = wp_json_encode( $params_for_request );

// -----------------------------------------------------------------------------------------------------------------
	// Send Ajax request to  load bookings
	$start_script_code .= " wpbc_calendar__load_data__ajx( {$params_for_request} ); ";

$start_script_code .= wpbc_jq_ready_end() . '</script>';                                                            // FixIn: 10.1.3.7.

return $start_script_code;
}

/**
 * Response to Ajax request,  about loading calendar data
 *
 * @return void
 */
function ajax_WPBC_AJX_CALENDAR_LOAD() {

// Security  ------------------------------------------------------------------------------------------------------ // in Ajax Post:   'nonce': _wpbc.get_secure_param( 'nonce' ),
	$action_name    = 'wpbc_calendar_load_ajx' . '_wpbcnonce';
	$nonce_post_key = 'nonce';
	if ( wpbc_is_use_nonce_at_front_end() ) {           // FixIn: 10.1.1.2.
		$result_check = check_ajax_referer( $action_name, $nonce_post_key );
	}

$user_id = ( isset( $_REQUEST['wpbc_ajx_user_id'] ) )  ?  intval( $_REQUEST['wpbc_ajx_user_id'] )  :  wpbc_get_current_user_id();  // phpcs:ignore WordPress.Security.NonceVerification.Recommended, WordPress.Security.NonceVerification.Missing

/**
	 * SQL  ---------------------------------------------------------------------------
	 *
	 * in Ajax Post:  'search_params': _wpbc.search_get_all_params()
	 *
	 * Use prefix "search_params", if Ajax sent -    $_REQUEST['search_params']['page_num'],  $_REQUEST['search_params']['page_items_count'],  ...
	 */

/**
	 * Using this class here only  for escaping variables
	 */
	$user_request = new WPBC_AJX__REQUEST( array(
											   'db_option_name'          => 'booking__wpbc_calendar_load__request_params',
											   'user_id'                 => $user_id,
											   'request_rules_structure' => array(
	                                'resource_id'    => array( 'validate' => 'd', 'default' => 1 ),                     // 'digit_or_csd'
	                                'booking_hash'   => array( 'validate' => 's', 'default' => '' ),
	                                'request_uri'    => array( 'validate' => 's', 'default' => '' ),
									'custom_form'    => array( 'validate' => 's', 'default' => 'standard' ),
									'aggregate_resource_id_str' => array( 'validate' => 'digit_or_csd', 'default' => '' ),        // Comma separated string of resource ID,  which was used in 'aggregate' parameter.
									'aggregate_type'            => array( 'validate' => 's', 'default' => 'all' ),                 //  'all' | 'bookings_only'   // FixIn: 9.8.15.10.
									'dates_to_check'            => array( 'validate' => 'array', 'default' => '' ),                 //  'all' | 'bookings_only'   // FixIn: 9.8.15.10.
																				 )
											)
					);
	$request_prefix = 'calendar_request_params';
	$request_params = $user_request->get_sanitized__in_request__value_or_default( $request_prefix  );		 		    // NOT Direct: 	$_REQUEST['search_params']['resource_id']

// Do Job  here !! -------------------------------------------------------------------------------------------------

make_bk_action( 'check_pending_unpaid_bookings__do_auto_cancel', $request_params['resource_id'] );

$skip_booking_id = wpbc_get_booking_id__from_hash_in_url( $request_params['booking_hash'] );                        // Booking ID  ( like 1101 )  to skip in calendar
	$max_days_count  = wpbc_get_max_visible_days_in_calendar();                          // 365  - number of visible days
	// Resource ID from  aggregate parameter  in booking shortcode!
	$aggregate_resource_id_arr = explode( ',', $request_params['aggregate_resource_id_str'] );
	$aggregate_resource_id_arr = array_filter( $aggregate_resource_id_arr );                                            // All entries of array equal to FALSE (0, '', '0' ) will be removed.
	$aggregate_resource_id_arr = array_unique( $aggregate_resource_id_arr );                                            // Remove duplicates    // FixIn: 9.8.15.10.
	if ( ( $resource_id_key = array_search( $request_params['resource_id'], $aggregate_resource_id_arr ) ) !== false ) {
		unset( $aggregate_resource_id_arr[ $resource_id_key ] );                                                        // Remove source booking resource  from  aggregate ARR. // FixIn: 9.8.15.10.
	}
	$aggregate_resource_id_arr = array_values($aggregate_resource_id_arr);                                              // Reset  keys

$availability_per_days__params = array(
											'resource_id'     => $request_params['resource_id'],
											'max_days_count'  => $max_days_count,
											'skip_booking_id' => $skip_booking_id,
											'request_uri'     => $request_params['request_uri'],                        // It different in Ajax requests than $server_request_uri . It's used for change-over days to detect for exception at specific pages
											'custom_form'     => $request_params['custom_form']
											, 'additional_bk_types' => $aggregate_resource_id_arr                       // It is array  of booking resources from aggregate parameter()                                 // arrays | CSD | int       // OPTIONAL
											, 'aggregate_type' => $request_params['aggregate_type']                     // It is string: 'all' | 'bookings_only'                     // OPTIONAL
										//	, 'as_single_resource'  => true                                             // get dates as for 'single resource' or 'parent' resource including bookings in all 'child booking resources'
										//	, 'max_days_count'      => wpbc_get_max_visible_days_in_calendar()          // 365
//	, 'timeslots_to_check_intersect' => $timeslots_to_check_intersect  //TODO 2023-10-25: delete it, because we get it in wpbc_get_availability_per_days_arr()  //array( '12:20 - 12:55', '13:00 - 14:00' )
								);

if ( ! empty( $request_params['dates_to_check'] ) ) {
		$availability_per_days__params['dates_to_check'] = $request_params['dates_to_check'];  // Usually  if defined it is: [ '2025-01-01', '2025-12-31' ],  because of shortcode [booking resource_id=4 calendar_dates_start='2025-01-01' calendar_dates_end='2025-12-31' ...]
	}

// If in Booking > Add booking page we use in URL .../wp-admin/admin.php?page=wpbc-new&booking_type=2&as_single_resource=1   then get  availability  only for single resource.
	if (
			( ! empty( $request_params['request_uri'] ) )
	     && ( strpos( $request_params['request_uri'], 'as_single_resource=1' ) !== false )
	){
		$availability_per_days__params['as_single_resource'] = true;
	}

/**
	 * Tricks:
	 *          if ( strpos( $request_params['request_uri'],'page=wpbc-new' ) !== false ) { $availability_per_days__params['is_days_always_available'] =  true; }
	 *
	 *          // Set  dates in calendar always available only  for specific resources with specific ID
	 *          if ( in_array( $request_params['resource_id'], array( 12, 15, 17 ) ) ) { $availability_per_days__params['is_days_always_available'] =  true; }
	 */

// Get unavailable dates for calendar
	// $availability_per_days__params['dates_to_check'] = array( '2025-01-01', '2025-12-31' );  // FixIn: 10.13.1.4.
	$availability_per_days_arr = wpbc_get_availability_per_days_arr( $availability_per_days__params );

$ajx_data_arr = array( /**
							 * Send JSON. It will make "wp_json_encode" - so pass only array, and This function call wp_die( '', '', array( 'response' => null, ) ) .
							 * Pass JS OBJ: response_data in "jQuery.post( " function on success.
							 */
						   'ajx_data'           => $availability_per_days_arr,
						   // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotValidated, WordPress.Security.ValidatedSanitizedInput.MissingUnslash, WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
						   'ajx_search_params'  => $_REQUEST[ $request_prefix ],
						   'ajx_cleaned_params' => $request_params,
						   'resource_id'        => $request_params['resource_id'],
				);

// FixIn: 10.12.4.6.
	if ( ! in_array( $request_params['resource_id'], $availability_per_days_arr['resources_id_arr__in_dates'] ) ) {
		$ajx_data_arr['ajx_data']['ajx_after_action_message'] = 'Wrong ID of booking resource. Probably calendar (booking resource) with ID = ' . intval( $request_params['resource_id'] ) . ' not exists. Please check resource_id parameter in the Booking Calendar shortcode.';
	}

// Show message under calendar,  if needed.
																		//$availability_per_days_arr['ajx_after_action_message'] = 'Ta Da :))';
																		//$availability_per_days_arr['ajx_after_action_message_status']  = 'warning';

// Ajax ------------------------------------------------------------------------------------------------------------
	wp_send_json( $ajx_data_arr );

}

if (  is_admin() && ( defined( 'DOING_AJAX' ) ) && ( DOING_AJAX )  ) {
	add_action( 'wp_ajax_nopriv_' . 'WPBC_AJX_CALENDAR_LOAD', 'ajax_' . 'WPBC_AJX_CALENDAR_LOAD' );                     // Client         (not logged in)
	add_action( 'wp_ajax_'        . 'WPBC_AJX_CALENDAR_LOAD', 'ajax_' . 'WPBC_AJX_CALENDAR_LOAD' );                     // Logged In users  (or admin panel)
}

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