[Appointments] - Admin Calendar

app-admin-calendar.php

<?php
/**
* Plugin Name: [Appointments] - Admin Calendar
* Plugin URI: https://premium.wpmudev.org/
* Description: Adds the monthly calendar in admin
* Author: Panos Lyrakis @ WPMUDEV
* Author URI: https://premium.wpmudev.org/
* License: GPLv2 or later
*/


if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

if ( ! class_exists( 'WPMUDEV_App_Admin_Calendar' ) ) {
    
    class WPMUDEV_App_Admin_Calendar {

        private static $_instance = null;
        private static $capability = null;

        public static function get_instance() {

            if( is_null( self::$_instance ) ){
                self::$_instance = new WPMUDEV_App_Admin_Calendar();
                self::$capability = 'manage_options';
            }
            return self::$_instance;
            
        }


        private function __construct() {
            add_action( 'admin_menu', array( $this, 'admin_menu' ) );
            add_filter( 'app_post_confirmation_status', array( $this, 'auto_confirm' ), 20, 5 );
            add_action( 'admin_head', array( $this, 'css' ) );
        }


        public function auto_confirm( $status, $price, $service, $worker, $user_id ) {

            if ( 
                ! isset( $_REQUEST['_admin_calendar_book'] ) || ! $_REQUEST['_admin_calendar_book'] || 
                ! isset( $_REQUEST['_app_autoconfirm'] ) || ! $_REQUEST['_app_autoconfirm'] 
            )
            {
                return $status;
            }

            return 'confirmed';
        }

        public function admin_menu() {

            add_submenu_page( 
                'appointments', 
                'Calendar',
                'Calendar', 
                self::$capability, 
                'app_admin_calendar', 
                array( $this, 'admin_calendar' ) 
            );

        }

        public function admin_calendar() {

            $calendar_layout = ( isset( $_GET['layout'] ) && 'weekly' == $_GET['layout'] ) ? 'weekly' : 'monthly';
            $layout_str = 'weekly';
            $layout_url = add_query_arg( array( 'layout' => 'weekly' ) );
            $appointments = appointments();
            $href = add_query_arg( array( "wcalendar"=>false, "app_provider_id" =>false ) );
            $href = apply_filters( 'app_worker_href', add_query_arg( array( "wcalendar"=>$wcalendar, "app_provider_id" => "__selected_worker__" ), $href ) );

            $appointments->load_scripts_styles();

            if ( 'monthly' == $calendar_layout ) {
                $calendar = new App_Shortcode_Monthly_Schedule();    
            }
            else {
                $calendar = new App_Shortcode_WeeklySchedule();
                $layout_url = add_query_arg( array( 'layout' => 'monthly' ) );
                $layout_str = 'monthly';
            }
            
            $confirmation = new App_Shortcode_Confirmation();
            $providers = new App_Shortcode_ServiceProviders();
            $services = new App_Shortcode_Services();
            $pagination = new App_Shortcode_Pagination();
            ?>
            <div style="clear:both;">

                <table>

                    <tr>
                        <td colspan="2">
                            <a class="button-primary" href="<?php echo $layout_url; ?>">
                                <i class="dashicons dashicons-calendar"></i> 
                                <?php echo sprintf("Switch to <strong>%s</strong> view", $layout_str ); ?>
                            </a>
                        </td>
                    </tr>

                    <tr>
                        <td>
                            <?php echo $providers->process_shortcode(); ?>
                        </td>
                        <td>
                            <?php echo $services->process_shortcode(); ?>
                        </td>
                    </tr>

                    <tr>
                        <td colspan="2">
                            <?php echo $pagination->process_shortcode(); ?>
                        </td>
                    </tr>

                    <tr>
                        <td colspan="2">
                            <?php echo $calendar->process_shortcode(); ?>
                        </td>
                    </tr>

                    <tr>
                        <td colspan="2">
                             <?php echo $confirmation->process_shortcode(); ?>
                        </td>
                    </tr>
                </table>

            </div>


            <script type="text/javascript">
                (function($){
                    $(document).ready(function(){
                        $('.app_select_workers').change(function(){
                            var selected_worker=$('.app_select_workers option:selected').val();
                            if (typeof selected_worker=='undefined' || selected_worker==null){
                            selected_worker=0;
                            }
                            $('.app_worker_excerpt').hide();
                            $('#app_worker_excerpt_'+selected_worker).show();
                            <?php if ( $autorefresh ) { ?>
                                var redirection_url='<?php echo $href; ?>'.replace(/__selected_worker__/, selected_worker) + (!!parseInt(selected_worker, 10) ? '#app_worker_excerpt_'+selected_worker : '');

                                window.location.href=redirection_url;
                            <?php } ?>
                        });

                        $('.app_workers_button').click(function(){
                            var selected_worker=$('.app_select_workers option:selected').val();
                            var redirection_url='<?php echo $href; ?>'.replace(/__selected_worker__/, selected_worker) + (!!parseInt(selected_worker, 10) ? '#app_worker_excerpt_'+selected_worker : '');

                            window.location.href=redirection_url;
                        });

                        WPMUDEV_App_Post_Confirm.load();
                    });


                    var WPMUDEV_App_Post_Confirm = {
                        load: function(){
                            $( document ).ajaxComplete(function( event, xhr, settings ) {
                                var action = WPMUDEV_App_Post_Confirm.get_action( 'action', settings.data );
                                var response = JSON.parse(xhr.responseText);
                                if( action == 'post_confirmation' && typeof response.error === 'undefined' ){
                                    location.reload();
                                }
                            });
                        },
                        get_action: function(name, url){
                            if (!url){
                                return '';
                            }
                            name = name.replace(/[\[\]]/g, "\\$&");
                            var regex = new RegExp(name + "(=([^&#]*)|&|#|$)"),
                                results = regex.exec(url);
                            if (!results) return null;
                            if (!results[2]) return '';
                            return decodeURIComponent(results[2].replace(/\+/g, " "));
                        }
                    };

                    // Set custom parameter to Auto-confirm appointment
                    $.ajaxSetup({
                      data:{
                        _admin_calendar_book:true,
                        _app_autoconfirm:true
                      }
                    });

                })(jQuery);

            </script>

            <?php
        }

        public function css() {

            if ( 'appointments_page_app_admin_calendar' != get_current_screen()->id ) {
                return;
            }

            ?>            
            <style type="text/css">
                .appointments-list .free {
                    background-color: #50C878;
                    color: #043927;
                }

                .appointments-list .busy,
                .appointments-list .notpossible {
                    background-color: #ddd;
                }
            </style>
            <?php
        }

    }

    if ( ! function_exists( 'wpmudev_app_admin_calendar' ) ){

        function wpmudev_app_admin_calendar() {
            return WPMUDEV_App_Admin_Calendar::get_instance();
        }

        add_action( 'plugins_loaded', 'wpmudev_app_admin_calendar' );
    }   

}