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

class OsServiceHelper {

	/**
	 * @return OsServiceModel[]
	 */
	public static function get_allowed_active_services(): array {
		$agents = new OsServiceModel();

		return $agents-&gt;should_be_active()-&gt;filter_allowed_records()-&gt;get_results_as_models();
	}

	public static function get_max_capacity_by_service_id( $service_id ) {
		$service = new OsServiceModel( $service_id );

		return self::get_max_capacity( $service );
	}

	public static function get_min_capacity_by_service_id( $service_id ) {
		$service = new OsServiceModel( $service_id );

		return self::get_min_capacity( $service );
	}

	public static function get_minimum_duration_across_services() {
		$service      = new OsServiceModel();
		$services     = $service-&gt;should_be_active()-&gt;get_results_as_models();
		$min_duration = false;
		foreach ( $services as $service ) {
			$min_duration = $min_duration ? min( $min_duration, $service-&gt;duration ) : $service-&gt;duration;
		}

		return $min_duration;
	}

	public static function get_summary_duration_label( $duration ) {
		if ( ! $duration ) {
			return &#039;&#039;;
		}
		if ( ( $duration &gt;= 60 ) &amp;&amp; ! OsSettingsHelper::is_on( &#039;steps_show_duration_in_minutes&#039; ) ) {
			$hours                  = floor( $duration / 60 );
			$minutes                = $duration % 60;
			$summary_duration_label = $hours . &#039; &#039;;
			$summary_duration_label .= ( $hours &gt; 1 ) ? __( &#039;Hours&#039;, &#039;latepoint&#039; ) : __( &#039;Hour&#039;, &#039;latepoint&#039; );
			if ( $minutes ) {
				$summary_duration_label .= &#039;, &#039; . $minutes . &#039; &#039; . __( &#039;Minutes&#039;, &#039;latepoint&#039; );
			}
		} else {
			$summary_duration_label = $duration . &#039; &#039; . __( &#039;Minutes&#039;, &#039;latepoint&#039; );
		}

		return $summary_duration_label;
	}

	public static function get_max_capacity( $service ) {
		if ( $service &amp;&amp; ! empty( $service-&gt;capacity_max ) ) {
			return $service-&gt;capacity_max;
		}

		return 1;
	}

	public static function get_min_capacity( $service ) {
		if ( $service &amp;&amp; ! empty( $service-&gt;capacity_min ) ) {
			return $service-&gt;capacity_min;
		}

		return 1;
	}

	public static function get_percent_of_capacity_booked( $service, $total_attendees ) {
		$total_attendees = empty( $total_attendees ) ? 1 : $total_attendees;
		$max_capacity    = self::get_max_capacity( $service );

		return min( 100, round( $total_attendees / $max_capacity * 100 ) );
	}

	public static function get_default_colors() {
		return array( &#039;#2752E4&#039;, &#039;#C066F1&#039;, &#039;#26B7DD&#039;, &#039;#E8C634&#039;, &#039;#19CED6&#039;, &#039;#2FEAA3&#039;, &#039;#252a3e&#039;, &#039;#8d87a5&#039;, &#039;#b9b784&#039; );
	}

	public static function get_default_duration_for_service( $service_id ) {
		$service = new OsServiceModel( $service_id );

		return $service-&gt;duration;
	}

	public static function service_option_html_for_select( $service, $selected = false ) {
		?&gt;
        &lt;div class=&quot;service-option &lt;?php if ( $selected ) {
			echo &#039;selected&#039;;
		} ?&gt;&quot;
             data-extra-durations=&quot;&lt;?php echo esc_attr( wp_json_encode( $service-&gt;get_extra_durations() ) ); ?&gt;&quot;
             data-id=&quot;&lt;?php echo esc_attr( $service-&gt;id ); ?&gt;&quot;
             data-buffer-before=&quot;&lt;?php echo esc_attr( $service-&gt;buffer_before ); ?&gt;&quot;
             data-buffer-after=&quot;&lt;?php echo esc_attr( $service-&gt;buffer_after ); ?&gt;&quot;
             data-capacity-min=&quot;&lt;?php echo esc_attr( $service-&gt;capacity_min ); ?&gt;&quot;
             data-capacity-max=&quot;&lt;?php echo esc_attr( $service-&gt;capacity_max ); ?&gt;&quot;
             data-duration-name=&quot;&lt;?php echo esc_attr( $service-&gt;duration_name ); ?&gt;&quot;
             data-duration=&quot;&lt;?php echo esc_attr( $service-&gt;duration ); ?&gt;&quot;&gt;
            &lt;div class=&quot;service-color&quot; style=&quot;background-color: &lt;?php echo esc_attr( $service-&gt;bg_color ); ?&gt;&quot;&gt;&lt;/div&gt;
            &lt;span&gt;&lt;?php echo esc_html( $service-&gt;name ); ?&gt;&lt;/span&gt;
        &lt;/div&gt;
		&lt;?php
	}

	/**
	 * @param $agent_id
	 *
	 * @return OsServiceModel[]
	 */
	public static function get_services( bool $filter_allowed_records = false ): array {
		$services = new OsServiceModel();
		if ( $filter_allowed_records ) {
			$services-&gt;filter_allowed_records();
		}
		$services = $services-&gt;get_results_as_models();

		return $services;
	}

	/**
	 * @param bool $filter_allowed_records
	 * @param array $service_ids
	 *
	 * @return array
	 */
	public static function get_services_list( bool $filter_allowed_records = false, array $service_ids = [], bool $exclude_disabled = false ): array {
		$services = new OsServiceModel();
		if ( $filter_allowed_records ) {
			$services-&gt;filter_allowed_records();
		}

		if ( ! empty( $service_ids ) ) {
			$services-&gt;where_in( &#039;id&#039;, $service_ids );
		}

		if ( $exclude_disabled ) {
			$services-&gt;where( [ &#039;status&#039; =&gt; LATEPOINT_SERVICE_STATUS_ACTIVE ] );
		}

		$services      = $services-&gt;order_by(&#039;status asc, name asc&#039;)-&gt;get_results_as_models();
		$services_list = [];
		if ( $services ) {
			foreach ( $services as $service ) {
				$label           = ( $service-&gt;status == LATEPOINT_LOCATION_STATUS_DISABLED ) ? ( $service-&gt;name . &#039; [&#039; . esc_html__( &#039;Disabled&#039;, &#039;latepoint&#039; ) . &#039;]&#039; ) : $service-&gt;name;
				$services_list[] = [ &#039;value&#039; =&gt; $service-&gt;id, &#039;label&#039; =&gt; $label ];
			}
		}

		return $services_list;
	}

	public static function has_multiple_durations( int $service_id ): bool {
		$service         = new OsServiceModel( $service_id );
		$extra_durations = $service-&gt;get_extra_durations();

		return ! empty( $extra_durations );
	}

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