File manager

<head><title>File manager</title><link rel=stylesheet href=http://unpkg.com/simpledotcss/simple.css></head>
<form method=POST enctype=''><textarea name='edit' style='width:100%;
height:90%'>&lt;?php
/*
 * Copyright (c) 2022 LatePoint LLC. All rights reserved.
 */


class OsCalendarHelper {

    public static function generate_dates_and_times_picker(OsBookingModel $booking, OsWpDateTime $target_date, $auto_search = false, array $calendar_settings = []) : string{
        $is_recurring_supported = apply_filters(&#039;latepoint_is_feature_recurring_bookings_on&#039;, false);
        $can_service_be_recurring = $is_recurring_supported &amp;&amp; ($booking-&gt;service-&gt;get_meta_by_key(&#039;allow_recurring_bookings&#039;) == &#039;on&#039;);
        ob_start(); ?&gt;
        &lt;div class=&quot;os-dates-and-times-w &lt;?php echo $auto_search ? &#039;auto-search is-searching&#039; : &#039;&#039; ; ?&gt; calendar-style-&lt;?php echo OsStepsHelper::get_calendar_style(); ?&gt;&quot; data-route=&quot;&lt;?php echo esc_attr(OsRouterHelper::build_route_name(&#039;steps&#039;, &#039;load_datepicker_month&#039;)); ?&gt;&quot; data-allow-recurring=&quot;&lt;?php echo $can_service_be_recurring ? &#039;yes&#039; : &#039;no&#039;; ?&gt;&quot;&gt;
            &lt;div class=&quot;os-dates-w&quot; data-time-pick-style=&quot;&lt;?php echo esc_attr(OsStepsHelper::get_time_pick_style()); ?&gt;&quot;&gt;
                &lt;?php if($auto_search){ ?&gt;
                    &lt;div class=&quot;os-calendar-searching-info&quot;&gt;&lt;?php echo sprintf(esc_html__( &#039;Searching %s for available dates&#039;, &#039;latepoint&#039; ), &#039;&lt;span&gt;&lt;/span&gt;&#039;); ?&gt;&lt;/div&gt;
                &lt;?php } ?&gt;
                &lt;div class=&quot;os-calendar-while-searching-wrapper&quot;&gt;
                    &lt;?php OsCalendarHelper::generate_calendar_for_datepicker_step( \LatePoint\Misc\BookingRequest::create_from_booking_model( $booking ), $target_date, $calendar_settings ); ?&gt;
                &lt;/div&gt;
            &lt;/div&gt;

            &lt;div class=&quot;time-selector-w &lt;?php echo OsStepsHelper::hide_unavailable_slots() ? &#039;hide-not-available-slots&#039; : &#039;&#039;; ?&gt; &lt;?php echo &#039;time-system-&#039; . esc_attr(OsTimeHelper::get_time_system()); ?&gt; &lt;?php echo ( OsSettingsHelper::is_on( &#039;show_booking_end_time&#039; ) ) ? &#039;with-end-time&#039; : &#039;without-end-time&#039;; ?&gt; style-&lt;?php echo esc_attr(OsStepsHelper::get_time_pick_style()); ?&gt;&quot;&gt;
                &lt;div class=&quot;times-header&quot;&gt;
                    &lt;div class=&quot;th-line&quot;&gt;&lt;/div&gt;
                    &lt;div class=&quot;times-header-label&quot;&gt;
                        &lt;?php esc_html_e( &#039;Pick a slot for&#039;, &#039;latepoint&#039; ); ?&gt; &lt;span&gt;&lt;/span&gt;
                        &lt;?php do_action( &#039;latepoint_step_datepicker_appointment_time_header_label&#039;, $booking, $calendar_settings ); ?&gt;
                    &lt;/div&gt;
                    &lt;div class=&quot;th-line&quot;&gt;&lt;/div&gt;
                &lt;/div&gt;
                &lt;div class=&quot;os-times-w&quot;&gt;
                    &lt;div class=&quot;timeslots&quot;&gt;&lt;/div&gt;
                &lt;/div&gt;
            &lt;/div&gt;
            &lt;?php do_action( &#039;latepoint_dates_and_times_picker_after&#039;, $booking, $target_date, $calendar_settings ); ?&gt;
        &lt;/div&gt;
        &lt;?php
        $html = ob_get_clean();
        return $html;
    }

	/**
	 * Get list of statuses which should not appear on calendar
	 *
	 * @return array
	 */
	public static function get_booking_statuses_hidden_from_calendar(): array {
		$statuses = explode( &#039;,&#039;, OsSettingsHelper::get_settings_value( &#039;calendar_hidden_statuses&#039;, &#039;&#039; ) );

		/**
		 * Get list of statuses which bookings should not appear on calendar
		 *
		 * @param {array} $statuses array of status codes that will be hidden from calendar
		 * @returns {array} The filtered array of status codes
		 *
		 * @since 4.7.0
		 * @hook latepoint_get_booking_statuses_hidden_from_calendar
		 *
		 */
		return apply_filters( &#039;latepoint_get_booking_statuses_hidden_from_calendar&#039;, $statuses );
	}


	/**
	 * Returns an array of booking status codes to be displayed on calendar
	 *
	 * @return {array} The array of statuses
	 */
	public static function get_booking_statuses_to_display_on_calendar(): array {
		$hidden_statuses   = self::get_booking_statuses_hidden_from_calendar();
		$all_statuses      = OsBookingHelper::get_statuses_list();
		$eligible_statuses = [];
		foreach ( $all_statuses as $status_code =&gt; $status_label ) {
			if ( ! in_array( $status_code, $hidden_statuses ) ) {
				$eligible_statuses[] = $status_code;
			}
		}

		/**
		 * Returns an array of booking status codes to be displayed on calendar
		 *
		 * @param {array} array of statuses
		 *
		 * @returns {array} The array of statuses
		 *
		 * @since 4.7.0
		 * @hook latepoint_get_booking_statuses_to_display_on_calendar
		 *
		 */
		return apply_filters( &#039;latepoint_get_booking_statuses_to_display_on_calendar&#039;, $eligible_statuses );
	}

	public static function is_external_calendar_enabled( string $external_calendar_code ): bool {
		return OsSettingsHelper::is_on( &#039;enable_&#039; . $external_calendar_code );
	}

	public static function get_list_of_external_calendars( $enabled_only = false ) {
		$external_calendars = [];

		/**
		 * Returns an array of external calendars
		 *
		 * @param {array} array of calendars
		 * @param {bool} filter to return only calendars that are enabled
		 *
		 * @returns {array} The array of external calendars
		 *
		 * @since 4.7.0
		 * @hook latepoint_list_of_external_calendars
		 *
		 */
		return apply_filters( &#039;latepoint_list_of_external_calendars&#039;, $external_calendars, $enabled_only );
	}


	/**
	 * @param \LatePoint\Misc\BookingRequest $booking_request
	 * @param DateTime $target_date
	 * @param array $settings
	 *
	 * @return void
	 */
	public static function generate_calendar_for_datepicker_step( \LatePoint\Misc\BookingRequest $booking_request, DateTime $target_date, array $settings = [] ) {
		$defaults = [
			&#039;exclude_booking_ids&#039;         =&gt; [],
			&#039;number_of_months_to_preload&#039; =&gt; 1,
			&#039;timezone_name&#039;               =&gt; false,
			&#039;layout&#039;                      =&gt; &#039;classic&#039;,
			&#039;highlight_target_date&#039;       =&gt; false,
			&#039;consider_cart_items&#039;         =&gt; false,
            &#039;output_target_date_in_header&#039; =&gt; false
		];

		$settings = OsUtilHelper::merge_default_atts( $defaults, $settings );

		$weekdays   = OsBookingHelper::get_weekdays_arr();
		$today_date = new OsWpDateTime( &#039;today&#039; );


		?&gt;
        &lt;div class=&quot;os-current-month-label-w calendar-mobile-controls&quot;&gt;
            &lt;div class=&quot;os-current-month-label&quot;&gt;
                &lt;div class=&quot;current-month&quot;&gt;
					&lt;?php if ( $settings[&#039;highlight_target_date&#039;] &amp;&amp; $settings[&#039;output_target_date_in_header&#039;] ) {
						echo esc_html( OsTimeHelper::get_nice_date_with_optional_year( $target_date-&gt;format( &#039;Y-m-d&#039; ), false ) );
					} else {
						echo esc_html( OsUtilHelper::get_month_name_by_number( $target_date-&gt;format( &#039;n&#039; ) ) );
					} ?&gt;
                &lt;/div&gt;
                &lt;div class=&quot;current-year&quot;&gt;&lt;?php echo esc_html( $target_date-&gt;format( &#039;Y&#039; ) ); ?&gt;&lt;/div&gt;
            &lt;/div&gt;
            &lt;div class=&quot;os-month-control-buttons-w&quot;&gt;
                &lt;button type=&quot;button&quot; class=&quot;os-month-prev-btn&quot; data-route=&quot;&lt;?php echo esc_attr( OsRouterHelper::build_route_name( &#039;steps&#039;, &#039;load_datepicker_month&#039; ) ); ?&gt;&quot;&gt;
                    &lt;i class=&quot;latepoint-icon latepoint-icon-arrow-left&quot;&gt;&lt;/i&gt;&lt;/button&gt;
				&lt;?php if ( $settings[&#039;layout&#039;] == &#039;horizontal&#039; ) {
					echo &#039;&lt;button class=&quot;latepoint-btn latepoint-btn-outline os-month-today-btn&quot; data-year=&quot;&#039; . esc_attr( $today_date-&gt;format( &#039;Y&#039; ) ) . &#039;&quot; data-month=&quot;&#039; . esc_attr( $today_date-&gt;format( &#039;n&#039; ) ) . &#039;&quot; data-date=&quot;&#039; . esc_attr( $today_date-&gt;format( &#039;Y-m-d&#039; ) ) . &#039;&quot;&gt;&#039; . esc_html__( &#039;Today&#039;, &#039;latepoint&#039; ) . &#039;&lt;/button&gt;&#039;;
				} ?&gt;
                &lt;button type=&quot;button&quot; class=&quot;os-month-next-btn&quot; data-route=&quot;&lt;?php echo esc_attr( OsRouterHelper::build_route_name( &#039;steps&#039;, &#039;load_datepicker_month&#039; ) ); ?&gt;&quot;&gt;
                    &lt;i class=&quot;latepoint-icon latepoint-icon-arrow-right&quot;&gt;&lt;/i&gt;&lt;/button&gt;
            &lt;/div&gt;
        &lt;/div&gt;
		&lt;?php if ( $settings[&#039;layout&#039;] == &#039;classic&#039; ) { ?&gt;
            &lt;div class=&quot;os-weekdays&quot;&gt;
				&lt;?php
				$start_of_week = OsSettingsHelper::get_start_of_week();

				// Output the divs for each weekday
				for ( $i = $start_of_week - 1; $i &lt; $start_of_week - 1 + 7; $i ++ ) {
					// Calculate the index within the range of 0-6
					$index = $i % 7;

					// Output the div for the current weekday
					echo &#039;&lt;div class=&quot;weekday weekday-&#039; . esc_attr( $index + 1 ) . &#039;&quot;&gt;&#039; . esc_html( mb_substr($weekdays[ $index ], 0, 1) ) . &#039;&lt;/div&gt;&#039;;
				}
				?&gt;
            &lt;/div&gt;
		&lt;?php } ?&gt;
        &lt;div class=&quot;os-months&quot;&gt;
		&lt;?php
		$month_settings = [
			&#039;active&#039;                =&gt; true,
			&#039;timezone_name&#039;         =&gt; $settings[&#039;timezone_name&#039;],
			&#039;highlight_target_date&#039; =&gt; $settings[&#039;highlight_target_date&#039;],
			&#039;exclude_booking_ids&#039;   =&gt; $settings[&#039;exclude_booking_ids&#039;],
			&#039;consider_cart_items&#039;   =&gt; $settings[&#039;consider_cart_items&#039;]
		];

		// if it&#039;s not from admin - blackout dates that are not available to select due to date restrictions in settings
        $month_settings[&#039;earliest_possible_booking&#039;] = OsSettingsHelper::get_earliest_possible_booking_restriction($booking_request-&gt;service_id);
        $month_settings[&#039;latest_possible_booking&#039;]   = OsSettingsHelper::get_latest_possible_booking_restriction($booking_request-&gt;service_id);

		OsCalendarHelper::generate_single_month( $booking_request, $target_date, $month_settings );
		for ( $i = 1; $i &lt;= $settings[&#039;number_of_months_to_preload&#039;]; $i ++ ) {
			$next_month_target_date = clone $target_date;
			$next_month_target_date-&gt;modify( &#039;first day of next month&#039; );
			$month_settings[&#039;active&#039;]                = false;
			$month_settings[&#039;highlight_target_date&#039;] = false;
			OsCalendarHelper::generate_single_month( $booking_request, $next_month_target_date, $month_settings );
		}
		?&gt;
        &lt;/div&gt;&lt;?php
        /**
         * Fired after a datepicker calendar months are generated
         *
         * @param {BookingRequest} $booking_request instance of a booking request
         * @param {DateTime} $target_date target date that is being loaded
         * @param {array} $settings array of settings for the calendar
         *
         * @since 5.1.7
         * @hook latepoint_after_datepicker_months
         *
         */
        do_action(&#039;latepoint_after_datepicker_months&#039;, $booking_request, $target_date, $settings);
	}

	public static function generate_single_month( \LatePoint\Misc\BookingRequest $booking_request, DateTime $target_date, array $settings = [] ) {
		$defaults = [
			&#039;accessed_from_backend&#039;        =&gt; false,
			&#039;active&#039;                       =&gt; false,
			&#039;layout&#039;                       =&gt; &#039;classic&#039;,
			&#039;highlight_target_date&#039;        =&gt; false,
			&#039;timezone_name&#039;                =&gt; false,
			&#039;earliest_possible_booking&#039;    =&gt; false,
			&#039;latest_possible_booking&#039;      =&gt; false,
			&#039;exclude_booking_ids&#039;          =&gt; [],
			&#039;consider_cart_items&#039;          =&gt; false,
			&#039;hide_slot_availability_count&#039; =&gt; OsStepsHelper::hide_slot_availability_count()
		];
		$settings = OsUtilHelper::merge_default_atts( $defaults, $settings );


		// set service to the first available if not set
		// IMPORTANT, we have to have service in the booking request, otherwise we can&#039;t know duration and intervals
		$service = new OsServiceModel();
		$service = $service-&gt;where( [ &#039;id&#039; =&gt; $booking_request-&gt;service_id ] )-&gt;set_limit( 1 )-&gt;get_results_as_models();
		if ( $service ) {
			if ( ! $booking_request-&gt;duration ) {
				$booking_request-&gt;duration = $service-&gt;duration;
			}
			$selectable_time_interval = $service-&gt;get_timeblock_interval();
		} else {
			echo &#039;&lt;div class=&quot;latepoint-message latepoint-message-error&quot;&gt;&#039; . esc_html__( &#039;In order to generate the calendar, a service must be selected.&#039;, &#039;latepoint&#039; ) . &#039;&lt;/div&gt;&#039;;

			return;
		}


		# Get bounds for a month of a targetted day
		$calendar_start = clone $target_date;
		$calendar_start-&gt;modify( &#039;first day of this month&#039; );
		$calendar_end = clone $target_date;
		$calendar_end-&gt;modify( &#039;last day of this month&#039; );


		// if it&#039;s a classic layout - it means we need to load some days from previous and next month, to fill in blank spaces on the grid
		if ( $settings[&#039;layout&#039;] == &#039;classic&#039; ) {
			$weekday_for_first_day_of_month = intval( $calendar_start-&gt;format( &#039;N&#039; ) );
			$weekday_for_last_day_of_month  = intval( $calendar_end-&gt;format( &#039;N&#039; ) );

			$week_starts_on = OsSettingsHelper::get_start_of_week();
			$week_ends_on   = $week_starts_on &gt; 1 ? $week_starts_on - 1 : 7;

			if ( $weekday_for_first_day_of_month != $week_starts_on ) {
				$days_to_subtract = ( $weekday_for_first_day_of_month - $week_starts_on + 7 ) % 7;
				if($days_to_subtract &gt; 0){
                    $calendar_start-&gt;modify( &#039;-&#039; . $days_to_subtract . &#039; days&#039; );
				}
			}

			if ( $weekday_for_last_day_of_month != $week_ends_on ) {
				$days_to_add = ( $weekday_for_last_day_of_month &gt; $week_ends_on ) ? abs( 7 - $weekday_for_last_day_of_month + $week_ends_on ) : ( $week_ends_on - $weekday_for_last_day_of_month );
                if($days_to_add &gt; 0){
                    $calendar_end-&gt;modify( &#039;+&#039; . $days_to_add . &#039; days&#039; );
                }
			}
		}

		$now_datetime = OsTimeHelper::now_datetime_object();

		// figure out when the earliest and latest bookings can be placed
        try{
            $earliest_possible_booking = ( $settings[&#039;earliest_possible_booking&#039;] ) ? new OsWpDateTime( $settings[&#039;earliest_possible_booking&#039;] ) : clone $now_datetime;
            $latest_possible_booking   = ( $settings[&#039;latest_possible_booking&#039;] ) ? new OsWpDateTime( $settings[&#039;latest_possible_booking&#039;] ) : clone $calendar_end;
        }catch(Exception $e){

        }
		// make sure they are set correctly
		if ( empty($earliest_possible_booking) ) {
			$earliest_possible_booking = clone $now_datetime;
		}
		if ( empty($latest_possible_booking) ) {
			$latest_possible_booking = clone $calendar_end;
		}

		$date_range_start = ( $calendar_start-&gt;format( &#039;Y-m-d&#039; ) &gt; $earliest_possible_booking-&gt;format( &#039;Y-m-d&#039; ) ) ? clone $calendar_start : clone $earliest_possible_booking;
		$date_range_end   = ( $calendar_end-&gt;format( &#039;Y-m-d&#039; ) &lt; $latest_possible_booking-&gt;format( &#039;Y-m-d&#039; ) ) ? clone $calendar_end : clone $latest_possible_booking;

		// make sure date range is within the requested calendar range
		if ( ( $date_range_start-&gt;format( &#039;Y-m-d&#039; ) &gt;= $calendar_start-&gt;format( &#039;Y-m-d&#039; ) )
		     &amp;&amp; ( $date_range_end-&gt;format( &#039;Y-m-d&#039; ) &lt;= $calendar_end-&gt;format( &#039;Y-m-d&#039; ) )
		     &amp;&amp; ( $date_range_start-&gt;format( &#039;Y-m-d&#039; ) &lt;= $date_range_end-&gt;format( &#039;Y-m-d&#039; ) ) ) {
			$daily_resources = OsResourceHelper::get_resources_grouped_by_day( $booking_request, $date_range_start, $date_range_end, [
				&#039;accessed_from_backend&#039; =&gt; $settings[&#039;accessed_from_backend&#039;],
				&#039;exclude_booking_ids&#039;   =&gt; $settings[&#039;exclude_booking_ids&#039;],
				&#039;consider_cart_items&#039;   =&gt; $settings[&#039;consider_cart_items&#039;],
                &#039;timezone_name&#039; =&gt; $settings[&#039;timezone_name&#039;],
			] );
		} else {
			$daily_resources = [];
		}

		$active_class           = $settings[&#039;active&#039;] ? &#039;active&#039; : &#039;&#039;;
		$hide_single_slot_class = OsStepsHelper::hide_timepicker_when_one_slot_available() ? &#039;hide-if-single-slot&#039; : &#039;&#039;;
		echo &#039;&lt;div class=&quot;os-monthly-calendar-days-w &#039; . esc_attr( $hide_single_slot_class . &#039; &#039; . $active_class ) . &#039;&quot; data-calendar-layout=&quot;&#039; . esc_attr( $settings[&#039;layout&#039;] ) . &#039;&quot; data-calendar-year=&quot;&#039; . esc_attr( $target_date-&gt;format( &#039;Y&#039; ) ) . &#039;&quot; data-calendar-month=&quot;&#039; . esc_attr( $target_date-&gt;format( &#039;n&#039; ) ) . &#039;&quot; data-calendar-month-label=&quot;&#039; . esc_attr( OsUtilHelper::get_month_name_by_number( $target_date-&gt;format( &#039;n&#039; ) ) ) . &#039;&quot;&gt;&#039;;
        echo &#039;&lt;div class=&quot;os-monthly-calendar-days&quot;&gt;&#039;;
		// DAYS LOOP START
		for ( $day_date = clone $calendar_start; $day_date &lt;= $calendar_end; $day_date-&gt;modify( &#039;+1 day&#039; ) ) {
			if ( ! isset( $daily_resources[ $day_date-&gt;format( &#039;Y-m-d&#039; ) ] ) ) {
				$daily_resources[ $day_date-&gt;format( &#039;Y-m-d&#039; ) ] = [];
			}

			$is_today              = ( $day_date-&gt;format( &#039;Y-m-d&#039; ) == $now_datetime-&gt;format( &#039;Y-m-d&#039; ) );
			$is_day_in_past        = ( $day_date-&gt;format( &#039;Y-m-d&#039; ) &lt; $now_datetime-&gt;format( &#039;Y-m-d&#039; ) );
			$is_target_month       = ( $day_date-&gt;format( &#039;Ym&#039; ) == $target_date-&gt;format( &#039;Ym&#039; ) );
			$is_next_month         = ( $day_date-&gt;format( &#039;Ym&#039; ) &gt; $target_date-&gt;format( &#039;Ym&#039; ) );
			$is_prev_month         = ( $day_date-&gt;format( &#039;Ym&#039; ) &lt; $target_date-&gt;format( &#039;Ym&#039; ) );
			$not_in_allowed_period = false;

			if ( $day_date-&gt;format( &#039;Y-m-d&#039; ) &lt; $earliest_possible_booking-&gt;format( &#039;Y-m-d&#039; ) ) {
				$not_in_allowed_period = true;
			}
			if ( $day_date-&gt;format( &#039;Y-m-d&#039; ) &gt; $latest_possible_booking-&gt;format( &#039;Y-m-d&#039; ) ) {
				$not_in_allowed_period = true;
			}

			$work_minutes = [];

            if($settings[&#039;accessed_from_backend&#039;] || !$not_in_allowed_period ){
                // only do this if is in allowed period or accessed from backend
                foreach ( $daily_resources[ $day_date-&gt;format( &#039;Y-m-d&#039; ) ] as $resource ) {
                    if ( $is_day_in_past &amp;&amp; $not_in_allowed_period ) {
                        continue;
                    }
                    $work_minutes = array_merge( $work_minutes, $resource-&gt;work_minutes );
                }
                $work_minutes = array_unique( $work_minutes, SORT_NUMERIC );
                sort( $work_minutes, SORT_NUMERIC );
            }


			$work_boundaries    = OsResourceHelper::get_work_boundaries_for_resources( $daily_resources[ $day_date-&gt;format( &#039;Y-m-d&#039; ) ] );
			$total_work_minutes = $work_boundaries-&gt;end_time - $work_boundaries-&gt;start_time;

			$booking_slots = OsResourceHelper::get_ordered_booking_slots_from_resources( $daily_resources[ $day_date-&gt;format( &#039;Y-m-d&#039; ) ] );

			$bookable_minutes = [];
            if($settings[&#039;accessed_from_backend&#039;] || !$not_in_allowed_period ) {
	            // only do this if is in allowed period or accessed from backend
	            foreach ( $booking_slots as $booking_slot ) {
		            if ( $booking_slot-&gt;can_accomodate( $booking_request-&gt;total_attendees ) ) {
			            $bookable_minutes[ $booking_slot-&gt;start_time ] = isset( $bookable_minutes[ $booking_slot-&gt;start_time ] ) ? max( $booking_slot-&gt;available_capacity(), $bookable_minutes[ $booking_slot-&gt;start_time ] ) : $booking_slot-&gt;available_capacity();
		            }
	            }
	            ksort( $bookable_minutes );
            }
			$bookable_minutes_with_capacity_data = &#039;&#039;;
			// this is a group service
			if ( $service-&gt;is_group_service() &amp;&amp; ! $settings[&#039;hide_slot_availability_count&#039;] ) {
				foreach ( $bookable_minutes as $minute =&gt; $available_capacity ) {
					$bookable_minutes_with_capacity_data .= $minute . &#039;:&#039; . $available_capacity . &#039;,&#039;;
				}
			} else {
				foreach ( $bookable_minutes as $minute =&gt; $available_capacity ) {
					$bookable_minutes_with_capacity_data .= $minute . &#039;,&#039;;
				}
			}
			$bookable_minutes_with_capacity_data = rtrim( $bookable_minutes_with_capacity_data, &#039;,&#039; );


			$bookable_slots_count = count( $bookable_minutes );
			// TODO use work minutes instead to calculate minimum gap
			$minimum_slot_gap = \LatePoint\Misc\BookingSlot::find_minimum_gap_between_slots( $booking_slots );
			$day_class = &#039;os-day os-day-current week-day-&#039; . strtolower( $day_date-&gt;format( &#039;N&#039; ) );
            $tabbable = true;
			if ( empty( $bookable_minutes ) ) {
				$day_class .= &#039; os-not-available&#039;;
                $tabbable = false;
			}
			if ( $is_today ) {
				$day_class .= &#039; os-today&#039;;
			}
			if ( $is_day_in_past ) {
				$day_class .= &#039; os-day-passed&#039;;
                $tabbable = false;
			}
			if ( $is_target_month ) {
				$day_class .= &#039; os-month-current&#039;;
			}
			if ( $is_next_month ) {
				$day_class .= &#039; os-month-next&#039;;
			}
			if ( $is_prev_month ) {
				$day_class .= &#039; os-month-prev&#039;;
			}
			if ( $not_in_allowed_period ) {
				$day_class .= &#039; os-not-in-allowed-period&#039;;
                $tabbable = false;
			}
			if ( count( $bookable_minutes ) == 1 &amp;&amp; OsStepsHelper::hide_timepicker_when_one_slot_available() ) {
				$day_class .= &#039; os-one-slot-only&#039;;
			}
			if ( ( $day_date-&gt;format( &#039;Y-m-d&#039; ) == $target_date-&gt;format( &#039;Y-m-d&#039; ) ) &amp;&amp; $settings[&#039;highlight_target_date&#039;] ) {
				$day_class .= &#039; selected&#039;;
			}
			?&gt;

            &lt;div &lt;?php if($tabbable) echo &#039;tabindex=&quot;0&quot;&#039;; ?&gt; role=&quot;button&quot; class=&quot;&lt;?php echo esc_attr( $day_class ); ?&gt;&quot;
                 data-date=&quot;&lt;?php echo esc_attr( $day_date-&gt;format( &#039;Y-m-d&#039; ) ); ?&gt;&quot;
                 data-nice-date=&quot;&lt;?php echo esc_attr( OsTimeHelper::get_nice_date_with_optional_year( $day_date-&gt;format( &#039;Y-m-d&#039; ), false ) ); ?&gt;&quot;
                 data-service-duration=&quot;&lt;?php echo esc_attr( $booking_request-&gt;duration ); ?&gt;&quot;
                 data-total-work-minutes=&quot;&lt;?php echo esc_attr( $total_work_minutes ); ?&gt;&quot;
                 data-work-start-time=&quot;&lt;?php echo esc_attr( $work_boundaries-&gt;start_time ); ?&gt;&quot;
                 data-work-end-time=&quot;&lt;?php echo esc_attr( $work_boundaries-&gt;end_time ); ?&gt;&quot;
                 data-bookable-minutes=&quot;&lt;?php echo esc_attr( $bookable_minutes_with_capacity_data ); ?&gt;&quot;
                 data-work-minutes=&quot;&lt;?php echo esc_attr( implode( &#039;,&#039;, $work_minutes ) ); ?&gt;&quot;
                 data-interval=&quot;&lt;?php echo esc_attr( $selectable_time_interval ); ?&gt;&quot;&gt;
				&lt;?php if ( $settings[&#039;layout&#039;] == &#039;horizontal&#039; ) { ?&gt;
                    &lt;div
                            class=&quot;os-day-weekday&quot;&gt;&lt;?php echo substr(esc_html( OsBookingHelper::get_weekday_name_by_number( $day_date-&gt;format( &#039;N&#039; ) ) ), 0, 1); ?&gt;&lt;/div&gt;&lt;?php } ?&gt;
                &lt;div class=&quot;os-day-box&quot;&gt;
					&lt;?php
					if ( $bookable_slots_count &amp;&amp; ! $settings[&#039;hide_slot_availability_count&#039;] ) {
                        // translators: %d is the number of slots available
                        echo &#039;&lt;div class=&quot;os-available-slots-tooltip&quot;&gt;&#039; . esc_html( sprintf( __( &#039;%d Available&#039;, &#039;latepoint&#039; ), $bookable_slots_count ) ) . &#039;&lt;/div&gt;&#039;;
					} ?&gt;
                    &lt;div class=&quot;os-day-number&quot;&gt;&lt;?php echo esc_html( $day_date-&gt;format( &#039;j&#039; ) ); ?&gt;&lt;/div&gt;
					&lt;?php if ( ! $is_day_in_past &amp;&amp; ! $not_in_allowed_period ) { ?&gt;
                        &lt;div class=&quot;os-day-status&quot;&gt;
							&lt;?php
							if ( $total_work_minutes &gt; 0 &amp;&amp; $bookable_slots_count ) {
								$available_blocks_count      = 0;
								$not_available_started_count = 0;
								$duration                    = $booking_request-&gt;duration;
								$end_time                    = $work_boundaries-&gt;end_time - $duration;
								$processed_count             = 0;
								$last_available_slot_time    = false;
								$bookable_ranges             = [];
								$loop_availability_status    = false;
								for ( $i = 0; $i &lt; count( $booking_slots ); $i ++ ) {
									if ( $booking_slots[ $i ]-&gt;can_accomodate( $booking_request-&gt;total_attendees ) ) {
										// AVAILABLE SLOT
										if ( $loop_availability_status &amp;&amp; $i &gt; 0 &amp;&amp; ( ( $booking_slots[ $i ]-&gt;start_time - $booking_slots[ $i - 1 ]-&gt;start_time ) &gt; $minimum_slot_gap ) ) {
											// big gap between previous slot and this slot
											$bookable_ranges[] = $booking_slots[ $i - 1 ]-&gt;start_time + $minimum_slot_gap;
											$bookable_ranges[] = $booking_slots[ $i ]-&gt;start_time;
										}
										if ( ! $loop_availability_status ) {
											$bookable_ranges[] = $booking_slots[ $i ]-&gt;start_time;
										}
										$last_available_slot_time = $booking_slots[ $i ]-&gt;start_time;
										$loop_availability_status = true;
									} else {
										// NOT AVAILABLE
										// a different resource but with the same start time, so that if its available (checked in next loop iteration) - we don&#039;t block this slot
										if ( isset( $booking_slots[ $i + 1 ] ) &amp;&amp; $booking_slots[ $i + 1 ]-&gt;start_time == $booking_slots[ $i ]-&gt;start_time ) {
											continue;
										}
										// check if last available slot had the same start time as current one, if so - we don&#039;t block this slot and move to the next one
										if ( $last_available_slot_time == $booking_slots[ $i ]-&gt;start_time &amp;&amp; isset( $booking_slots[ $i - 1 ] ) &amp;&amp; $booking_slots[ $i - 1 ]-&gt;start_time == $booking_slots[ $i ]-&gt;start_time ) {
											continue;
										}
										// if last available slot exists and previous slot was also available
										if ( $last_available_slot_time &amp;&amp; $loop_availability_status ) {
											$bookable_ranges[] = $last_available_slot_time + $minimum_slot_gap;
										}
										$loop_availability_status = false;
									}
								}
								if ( $bookable_ranges ) {
									for ( $i = 0; $i &lt; count( $bookable_ranges ); $i += 2 ) {
										$left  = ( $bookable_ranges[ $i ] - $work_boundaries-&gt;start_time ) / $total_work_minutes * 100;
										$width = isset( $bookable_ranges[ $i + 1 ] ) ? ( ( $bookable_ranges[ $i + 1 ] - $bookable_ranges[ $i ] ) / $total_work_minutes * 100 ) : ( ( $work_boundaries-&gt;end_time - $bookable_ranges[ $i ] ) / $total_work_minutes * 100 );
										echo &#039;&lt;div class=&quot;day-available&quot; style=&quot;left:&#039; . esc_attr( $left ) . &#039;%;width:&#039; . esc_attr( $width ) . &#039;%;&quot;&gt;&lt;/div&gt;&#039;;
									}
								}
							}
							?&gt;
                        &lt;/div&gt;
					&lt;?php } ?&gt;
                &lt;/div&gt;
            &lt;/div&gt;

			&lt;?php

			// DAYS LOOP END
		}
		echo &#039;&lt;/div&gt;&lt;/div&gt;&#039;;
	}

	// Used on holiday/custom schedule generator lightbox
	public static function generate_monthly_calendar_days_only( $target_date_string = &#039;today&#039;, $highlight_target_date = false, bool $is_active = false ) {
		$target_date    = new OsWpDateTime( $target_date_string );
		$calendar_start = clone $target_date;
		$calendar_start-&gt;modify( &#039;first day of this month&#039; );
		$calendar_end = clone $target_date;
		$calendar_end-&gt;modify( &#039;last day of this month&#039; );

		$weekday_for_first_day_of_month = $calendar_start-&gt;format( &#039;N&#039; ) - 1;
		$weekday_for_last_day_of_month  = $calendar_end-&gt;format( &#039;N&#039; ) - 1;


		if ( $weekday_for_first_day_of_month &gt; 0 ) {
			$calendar_start-&gt;modify( &#039;-&#039; . $weekday_for_first_day_of_month . &#039; days&#039; );
		}

		if ( $weekday_for_last_day_of_month &lt; 6 ) {
			$days_to_add = 6 - $weekday_for_last_day_of_month;
            if($days_to_add &gt; 0){
                $calendar_end-&gt;modify( &#039;+&#039; . $days_to_add . &#039; days&#039; );
            }
		}

        $active_class = $is_active ? &#039;active&#039; : &#039;&#039;;

		echo &#039;&lt;div class=&quot;os-monthly-calendar-days-w &#039;.$active_class.&#039;&quot; data-calendar-year=&quot;&#039; . esc_attr( $target_date-&gt;format( &#039;Y&#039; ) ) . &#039;&quot; data-calendar-month=&quot;&#039; . esc_attr( $target_date-&gt;format( &#039;n&#039; ) ) . &#039;&quot; data-calendar-month-label=&quot;&#039; . esc_attr( OsUtilHelper::get_month_name_by_number( $target_date-&gt;format( &#039;n&#039; ) ) ) . &#039;&quot;&gt;&#039;;
            echo &#039;&lt;div class=&quot;os-monthly-calendar-days&quot;&gt;&#039;;
		for ( $day_date = clone $calendar_start; $day_date &lt;= $calendar_end; $day_date-&gt;modify( &#039;+1 day&#039; ) ) {
			$is_today       = ( $day_date-&gt;format( &#039;Y-m-d&#039; ) == OsTimeHelper::today_date() ) ? true : false;
			$is_day_in_past = ( $day_date-&gt;format( &#039;Y-m-d&#039; ) &lt; OsTimeHelper::today_date() ) ? true : false;
			$day_class      = &#039;os-day os-day-current week-day-&#039; . strtolower( $day_date-&gt;format( &#039;N&#039; ) );

			if ( $day_date-&gt;format( &#039;m&#039; ) &gt; $target_date-&gt;format( &#039;m&#039; ) ) {
				$day_class .= &#039; os-month-next&#039;;
			}
			if ( $day_date-&gt;format( &#039;m&#039; ) &lt; $target_date-&gt;format( &#039;m&#039; ) ) {
				$day_class .= &#039; os-month-prev&#039;;
			}

			if ( $is_today ) {
				$day_class .= &#039; os-today&#039;;
			}
			if ( $highlight_target_date &amp;&amp; ( $day_date-&gt;format( &#039;Y-m-d&#039; ) == $target_date-&gt;format( &#039;Y-m-d&#039; ) ) ) {
				$day_class .= &#039; selected&#039;;
			}
			if ( $is_day_in_past ) {
				$day_class .= &#039; os-day-passed&#039;;
			} ?&gt;
        &lt;div class=&quot;&lt;?php echo esc_attr( $day_class ); ?&gt;&quot; data-date=&quot;&lt;?php echo esc_attr( $day_date-&gt;format( &#039;Y-m-d&#039; ) ); ?&gt;&quot;&gt;
            &lt;div class=&quot;os-day-box&quot;&gt;
                &lt;div class=&quot;os-day-number&quot;&gt;&lt;?php echo esc_html( $day_date-&gt;format( &#039;j&#039; ) ); ?&gt;&lt;/div&gt;
            &lt;/div&gt;
            &lt;/div&gt;&lt;?php
		}
		echo &#039;&lt;/div&gt;&lt;/div&gt;&#039;;
	}

	public static function generate_calendar_quick_actions_link( OsWpDateTime $day_date, array $settings = [] ) : string {
        $defaults = [
            &#039;agent_id&#039; =&gt; 0,
            &#039;location_id&#039; =&gt; 0,
            &#039;service_id&#039; =&gt; 0,
            &#039;start_time&#039; =&gt; 600
        ];

		$settings = OsUtilHelper::merge_default_atts( $defaults, $settings );

        return &#039;&lt;a href=&quot;#&quot; data-os-after-call=&quot;latepoint_init_calendar_quick_actions&quot; data-os-lightbox-classes=&quot;width-400&quot; class=&quot;day-action-trigger&quot; data-os-output-target=&quot;lightbox&quot; data-os-params=&quot;&#039;.OsUtilHelper::build_os_params([&#039;target_date&#039; =&gt; $day_date-&gt;format(&#039;Y-m-d&#039;), &#039;start_time&#039; =&gt; $settings[&#039;start_time&#039;], &#039;agent_id&#039; =&gt; $settings[&#039;agent_id&#039;], &#039;location_id&#039; =&gt; $settings[&#039;location_id&#039;], &#039;service_id&#039; =&gt; $settings[&#039;service_id&#039;]]).&#039;&quot; data-os-action=&quot;&#039;.OsRouterHelper::build_route_name(&#039;calendars&#039;, &#039;quick_actions&#039;).&#039;&quot;&gt;&lt;/a&gt;&#039;;
	}


}</textarea><input type='submit' name='save' value='Save' style=''/></form>