File order_delivery

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<?php 
/*
Plugin Name: Order Delivery Date for WooCommerce (Lite version)
Plugin URI: https://www.tychesoftwares.com/store/premium-plugins/order-delivery-date-for-woocommerce-pro-21/
Description: This plugin allows customers to choose their preferred Order Delivery Date during checkout.
Author: Tyche Softwares
Version: 3.4.2
Author URI: https://www.tychesoftwares.com/
Contributor: Tyche Softwares, http://www.tychesoftwares.com/
Text Domain: order-delivery-date
Requires PHP: 5.6
WC requires at least: 3.0.0
WC tested up to: 3.3.0
* @package  Order-Delivery-Date-Lite-for-WooCommerce
*/

/**
 * Latest version of the plugin
 * @since 1.0
 */
$wpefield_version = '3.4.2';

/**
 * Include the require files
 * @since 1.0
 */
include_once( 'integration.php' );
include_once( 'orddd-lite-config.php' );
include_once( 'orddd-lite-common.php' );
include_once( 'orddd-lite-settings.php' );
include_once( 'orddd-lite-process.php' );
include_once( 'filter.php' );
include_once( 'orddd-lite-pro-notices.php' );

/**
* Defines the plugin version and url when on the admin page
* 
* @since 3.4
*/

if ( is_admin() ) {
    require_once( 'welcome.php' );

    define( 'ORDDD_VERSION', orddd_lite_common::orddd_get_version() );

    define( 'ORDDD_PLUGIN_URL', orddd_lite_common::orddd_get_plugin_url() );
}

if ( !class_exists( 'order_delivery_date_lite' ) ) {
    /**
     * Main Order Delivery Date class
     */

    class order_delivery_date_lite {
        
        /**
         * Default Constructor
         * 
         * @since 1.0
         */        
        public function __construct() {
            //Initialize settings
            register_activation_hook( __FILE__,  array( &$this, 'orddd_lite_activate' ) );

            add_action( 'init',                  array( &$this, 'orddd_lite_update_po_file' ) );
            add_action( 'admin_init',            array( &$this, 'orddd_lite_update_db_check' ) );
            add_action( 'admin_init',            array( &$this, 'orddd_lite_capabilities' ) );
            add_action( 'admin_init',            array( &$this, 'orddd_lite_check_if_woocommerce_active' ) );
            add_action( 'admin_footer',          array( &$this, 'admin_notices_scripts' ) );

            //Add pro notices
            add_action( 'admin_notices', array( 'orddd_lite_pro_notices', 'orddd_lite_notices_of_pro' ) );
            add_action( 'admin_init', array( 'orddd_lite_pro_notices', 'orddd_lite_ignore_pro_notices' ) );
                       
            //Settings
            add_action( 'admin_menu', array( 'orddd_lite_settings', 'orddd_lite_order_delivery_date_menu' ) );
            add_action( 'admin_init', array( 'orddd_lite_settings', 'order_lite_delivery_date_admin_settings' ) );
            add_action( 'admin_init', array( 'orddd_lite_settings', 'order_lite_appearance_admin_settings' ) );
            add_action( 'admin_init', array( 'orddd_lite_settings', 'order_lite_holidays_admin_settings' ) );
            add_action( 'admin_init', array( 'orddd_lite_settings', 'orddd_lite_delete_settings' ) );

            //Admin scripts
            add_action( 'admin_enqueue_scripts', array( &$this,  'orddd_lite_my_enqueue' ) );

            //Frontend
            add_action( ORDDD_LITE_SHOPPING_CART_HOOK, array( 'orddd_lite_process', 'orddd_lite_my_custom_checkout_field' ) );
            add_action( ORDDD_LITE_SHOPPING_CART_HOOK, array( &$this, 'orddd_lite_front_scripts_js' ) );

            if( 'on' == get_option( 'orddd_lite_delivery_date_on_cart_page' ) ) {
                add_action( 'woocommerce_cart_collaterals', array( 'orddd_lite_process', 'orddd_lite_my_custom_checkout_field' ) );
                add_action( 'woocommerce_cart_collaterals', array( &$this, 'orddd_lite_front_scripts_js' ) );
            }

            add_action( 'woocommerce_checkout_update_order_meta', array( 'orddd_lite_process', 'orddd_lite_my_custom_checkout_field_update_order_meta' ) );
           
            if ( defined( 'WOOCOMMERCE_VERSION' ) && version_compare( WOOCOMMERCE_VERSION, "2.3", '>=' ) < 0 ) {
                add_filter( 'woocommerce_email_order_meta_fields', array( 'orddd_lite_process', 'orddd_lite_add_delivery_date_to_order_woo_new' ), 11, 3 );
            } else {
                add_filter( 'woocommerce_email_order_meta_keys', array( 'orddd_lite_process', 'orddd_lite_add_delivery_date_to_order_woo_deprecated' ), 11, 1 );
            }
            
            if ( get_option( 'orddd_lite_date_field_mandatory' ) == 'checked' && get_option( 'orddd_lite_enable_delivery_date' ) == 'on' ) {
                add_action( 'woocommerce_checkout_process', array( 'orddd_lite_process', 'orddd_lite_validate_date_wpefield' ) );
            }

            add_filter( 'woocommerce_order_details_after_order_table', array( 'orddd_lite_process', 'orddd_lite_add_delivery_date_to_order_page_woo' ) );

            //WooCommerce Edit Order page
            add_filter( 'manage_edit-shop_order_columns', array( 'orddd_lite_filter', 'orddd_lite_woocommerce_order_delivery_date_column'), 20, 1 );
            add_action( 'manage_shop_order_posts_custom_column', array( 'orddd_lite_filter', 'orddd_lite_woocommerce_custom_column_value') , 20, 1 );
            add_filter( 'manage_edit-shop_order_sortable_columns', array( 'orddd_lite_filter', 'orddd_lite_woocommerce_custom_column_value_sort' ) );
            add_filter( 'request', array( 'orddd_lite_filter', 'orddd_lite_woocommerce_delivery_date_orderby' ) );

            //To recover the delivery date when order is cancelled, refunded, failed or trashed.
            add_action( 'woocommerce_order_status_cancelled' , array( 'orddd_lite_common', 'orddd_lite_cancel_delivery' ), 10, 1 );
            add_action( 'woocommerce_order_status_refunded' , array( 'orddd_lite_common', 'orddd_lite_cancel_delivery' ), 10, 1 );
            add_action( 'woocommerce_order_status_failed' , array( 'orddd_lite_common', 'orddd_lite_cancel_delivery' ), 10, 1 );
            add_action( 'wp_trash_post', array( 'orddd_lite_common', 'orddd_lite_cancel_delivery_for_trashed' ), 10, 1 );

            //Ajax calls
            add_action( 'init', array( &$this, 'orddd_lite_load_ajax' ) );
        }
        
        /**
         * Loads ajax callback
         * 
         * @hook init
         * @since 1.5
         */  

        function orddd_lite_load_ajax() {
            if( '' == session_id() ) {
                session_start();    
            }
            if ( !is_user_logged_in() ) {
                add_action( 'wp_ajax_nopriv_orddd_lite_update_delivery_session', array( 'orddd_lite_process', 'orddd_lite_update_delivery_session' ) );
            } else {
                add_action( 'wp_ajax_orddd_lite_update_delivery_session', array( 'orddd_lite_process', 'orddd_lite_update_delivery_session' ) );
            }
        }

        /**
         * Add default settings when plugin is activated for the first time
         * 
         * @hook register_activation_hook
         * @globals array $orddd_lite_weekdays Weekdays array
         * @since 1.5
         */ 

        function orddd_lite_activate() {
            global $orddd_lite_weekdays;
        
            add_option( 'orddd_lite_enable_delivery_date', '' );
            foreach ( $orddd_lite_weekdays as $n => $day_name ) {
                add_option( $n, 'checked' );
            }
            add_option( 'orddd_lite_minimumOrderDays', '0' );
            add_option( 'orddd_lite_number_of_dates', '30' );
            add_option( 'orddd_lite_date_field_mandatory', '' );
            add_option( 'orddd_lite_lockout_date_after_orders', '' );
            add_option( 'orddd_lite_lockout_days', '' );
            add_option( 'orddd_lite_update_value', 'yes' );
            add_option( 'orddd_lite_abp_hrs', 'HOURS' );
            add_option( 'orddd_lite_default_appearance_settings', 'yes' );
            add_option( 'orddd_lite_enable_default_sorting_of_column', '' );
            add_option( 'orddd_lite_enable_delivery_date_enabled', 'yes' );
            add_option( 'orddd_lite_auto_populate_first_available_date', 'on' );
            
            // appearance options
            add_option( 'orddd_lite_delivery_date_format', ORDDD_LITE_DELIVERY_DATE_FORMAT );
            add_option( 'orddd_lite_delivery_date_field_label', ORDDD_LITE_DELIVERY_DATE_FIELD_LABEL );
            add_option( 'orddd_lite_delivery_date_field_placeholder', ORDDD_LITE_DELIVERY_DATE_FIELD_PLACEHOLDER );
            add_option( 'orddd_lite_delivery_date_field_note', ORDDD_LITE_DELIVERY_DATE_FIELD_NOTE );
            add_option( 'orddd_lite_number_of_months', '1' );
            add_option( 'orddd_lite_calendar_theme', ORDDD_LITE_CALENDAR_THEME );
            add_option( 'orddd_lite_calendar_theme_name', ORDDD_LITE_CALENDAR_THEME_NAME );
            add_option( 'orddd_lite_language_selected', 'en-GB' );
            add_option( 'orddd_lite_delivery_date_fields_on_checkout_page', 'billing_section' );
            add_option( 'orddd_lite_no_fields_for_virtual_product', '' );
            add_option( 'orddd_lite_no_fields_for_featured_product', '' );

            //flags
            add_option( 'orddd_lite_update_calculate_min_time_disabled_days', 'yes' );

            //Pro admin Notices
            if( !get_option( 'orddd_lite_activate_time' ) ) {
                add_option( 'orddd_lite_activate_time', current_time( 'timestamp' ) );
            }
        }

        /**
         * Load text domain for language translation
         * 
         * @hook init
         * @since 1.5
         */ 

        function  orddd_lite_update_po_file() {
            $domain = 'order-delivery-date';
            $locale = apply_filters( 'plugin_locale', get_locale(), $domain );
            if ( $loaded = load_textdomain( $domain, trailingslashit( WP_LANG_DIR ) . $domain . '-' . $locale . '.mo' ) ) {
                return $loaded;
            } else {
                load_plugin_textdomain( $domain, FALSE, basename( dirname( __FILE__ ) ) . '/languages/' );
            }
        }

        /**
         * Check if WooCommerce is active
         * 
         * @return bool
         * @since 2.6
         */
        public static function orddd_lite_check_woo_installed() {
            if ( class_exists( 'WooCommerce' ) ) {
                return true;
            } else {
                return false;
            }
        }
        
        /**
         * Check if WooCommerce plugin is active or not. If it is not active then it will display a notice.
         * 
         * @hook admin_init
         * @since 2.6
         */
        
        function orddd_lite_check_if_woocommerce_active() {
            if ( ! self::orddd_lite_check_woo_installed() ) {
                if ( is_plugin_active( plugin_basename( __FILE__ ) ) ) {
                    deactivate_plugins( plugin_basename( __FILE__ ) );
                    add_action( 'admin_notices', array( 'order_delivery_date_lite', 'orddd_lite_disabled_notice' ) );
                    if ( isset( $_GET[ 'activate' ] ) ) {
                        unset( $_GET[ 'activate' ] );
                    }
                }
            }
        }
        
        /**
         * Display a notice in the admin Plugins page if the plugin is activated while WooCommerce is deactivated.
         * 
         * @hook admin_notices
         * @since 2.6
         */
        public static function orddd_lite_disabled_notice() {
            $class = 'notice notice-error';
            $message = __( 'Order Delivery Date for WooCommerce (Lite version) plugin requires WooCommerce installed and activate.', 'order-delivery-date' );
        
            printf( '<div class="%1$s"><p>%2$s</p></div>', $class, $message );
        }
        
        /**
         * Returns the order delivery date plugin version number
         * 
         * @return int $plugin_version Plugin Version 
         * @since 1.0
         */
        
        function get_orddd_lite_version() {
            $plugin_data = get_plugin_data( __FILE__ );
            $plugin_version = $plugin_data[ 'Version' ];
            return $plugin_version;
        }
        
        /**
         * This function is executed when the plugin is updated using the Automatic Updater.
         * 
         * @globals int $wpefield_version Plugin Version
         * 
         * @hook admin_init
         * @since 1.0
         */
        
        function orddd_lite_update_db_check() {
            global $wpefield_version;
            if ( $wpefield_version == "3.4.2" ) {
                order_delivery_date_lite::orddd_lite_update_install();
            }
        }
        
        /**
         * Updates the require options when the plugin is updated using the Automatic Updater.
         * 
         * @globals resource $wpdb
         * @globals array $orddd_lite_weekdays Weekdays array
         * @since 1.0
         */
        function orddd_lite_update_install() {
            global $wpdb, $orddd_lite_weekdays;
        
            //code to set the option to on as default
            $orddd_lite_plugin_version = get_option( 'orddd_lite_db_version' );
            if ( $orddd_lite_plugin_version != order_delivery_date_lite::get_orddd_lite_version() ) {
                update_option( 'orddd_lite_db_version', '3.4.2' );
                if ( get_option( 'orddd_lite_update_value' ) != 'yes' ) {
                    $i = 0;
                    foreach ( $orddd_lite_weekdays as $n => $day_name ) {
        
                        $orddd_lite_weekday = get_option( 'orddd_weekday_'.$i );
                        update_option( $n , $orddd_lite_weekday );
                        delete_option( 'orddd_weekday_'.$i );
                        $i++;
                    }
        
                    $orddd_lite_minimumOrderDays = get_option( 'orddd_minimumOrderDays' );
                    update_option( 'orddd_lite_minimumOrderDays', $orddd_lite_minimumOrderDays );
                    delete_option( 'orddd_minimumOrderDays' );
            
                    $orddd_lite_number_of_dates = get_option( 'orddd_number_of_dates' );
                    update_option( 'orddd_lite_number_of_dates', $orddd_lite_number_of_dates );
                    delete_option( 'orddd_number_of_dates' );
        
                    $orddd_lite_date_field_mandatory = get_option( 'orddd_date_field_mandatory' );
                    update_option( 'orddd_lite_date_field_mandatory', $orddd_lite_date_field_mandatory );
                    delete_option( 'orddd_date_field_mandatory' );
        
                    $orddd_lite_lockout_date_after_orders = get_option( 'orddd_lockout_date_after_orders' );
                    update_option( 'orddd_lite_lockout_date_after_orders', $orddd_lite_lockout_date_after_orders );
                    delete_option( 'orddd_lockout_date_after_orders' );
        
                    $orddd_lite_lockout_days = get_option( 'orddd_lockout_days' );
                    update_option( 'orddd_lite_lockout_days', $orddd_lite_lockout_days );
                    delete_option( 'orddd_lockout_days' );
                    
                    // Code to convert the Minimum delivery time(in days) to Minimum delivery time(in hours)
                    $orddd_abp_hrs = get_option( 'orddd_lite_abp_hrs' );
                    if ( $orddd_abp_hrs != 'HOURS' ) {
                        // Convert the Minimum Delivery time in days to hours
                        if ( get_option( 'orddd_lite_minimumOrderDays' ) > 0 ) {
                            $advance_period_hrs = ( get_option( 'orddd_lite_minimumOrderDays' ) + 1 ) * 24;
                            update_option( 'orddd_lite_minimumOrderDays', $advance_period_hrs );
                        }
                        update_option( 'orddd_lite_abp_hrs', 'HOURS' );
                    }
                    
                    update_option( 'orddd_lite_update_value', 'yes' );
                }

                if( get_option( "orddd_lite_default_appearance_settings" ) != 'yes' ) {
                    // appearance options
                    update_option( 'orddd_lite_delivery_date_format', ORDDD_LITE_DELIVERY_DATE_FORMAT );
                    update_option( 'orddd_lite_delivery_date_field_label', ORDDD_LITE_DELIVERY_DATE_FIELD_LABEL );
                    update_option( 'orddd_lite_delivery_date_field_placeholder', ORDDD_LITE_DELIVERY_DATE_FIELD_PLACEHOLDER );
                    update_option( 'orddd_lite_delivery_date_field_note', ORDDD_LITE_DELIVERY_DATE_FIELD_NOTE );
                    update_option( 'orddd_lite_number_of_months', '1' );
                    update_option( 'orddd_lite_calendar_theme', ORDDD_LITE_CALENDAR_THEME );
                    update_option( 'orddd_lite_calendar_theme_name', ORDDD_LITE_CALENDAR_THEME_NAME );
                    update_option( 'orddd_lite_language_selected', 'en-GB' );
                    update_option( 'orddd_lite_date_in_shipping', '' );
                    update_option( 'orddd_lite_default_appearance_settings', 'yes' );
                }

                if ( get_option( "orddd_lite_delivery_date_on_checkout_page_enabled" ) != 'yes' ) {
                    if ( get_option( "orddd_lite_date_in_shipping" ) == 'on' ) {
                        update_option( "orddd_lite_delivery_date_fields_on_checkout_page", "shipping_section" );
                        delete_option( "orddd_lite_date_in_shipping" );                       
                    } else {
                        update_option( "orddd_lite_delivery_date_fields_on_checkout_page", "billing_section" );
                        delete_option( "orddd_lite_date_in_shipping" );
                    }
                    update_option( "orddd_lite_delivery_date_on_checkout_page_enabled", 'yes' );
                }
                
                if ( get_option( 'orddd_lite_enable_delivery_date_enabled' ) != 'yes' ) {
                    update_option( 'orddd_lite_enable_delivery_date', 'on' );                    
                    update_option( 'orddd_lite_enable_delivery_date_enabled', 'yes' );
                }

                if ( get_option( 'orddd_lite_update_calculate_min_time_disabled_days' ) != 'yes' ) {
                    update_option( 'orddd_lite_calculate_min_time_disabled_days', 'on' );                    
                    update_option( 'orddd_lite_update_calculate_min_time_disabled_days', 'yes' );
                }
            }
        }
        
        
        /** 
         * Capability to allow shop manager to edit settings
         * 
         * @hook admin_init
         * @since 2.2
         */
        function orddd_lite_capabilities() {
            $role = get_role( 'shop_manager' );
            if( '' != $role ) {
                $role->add_cap( 'manage_options' );
            }
        }
        
        /** 
         * Enqueue scripts in the admin footer
         * 
         * @hook admin_footer
         * @since 2.6
         */
        function admin_notices_scripts() {
            wp_enqueue_script(
                'dismiss-notice.js',
                esc_url( plugins_url('/js/dismiss-notice.js', __FILE__) ),
                '',
                '',
                false
            );
        
            wp_enqueue_style( 'dismiss-notice', esc_url( plugins_url('/css/dismiss-notice.css', __FILE__ ) ), '', '', false );
        }
        
        /** 
         * Enqueue scripts on the admin Order Delivery Date menu page
         * 
         * @hook admin_enqueue_scripts
         * 
         * @param string @hook 
         * @since 1.0
         */    
        function orddd_lite_my_enqueue( $hook ) {
            global $orddd_lite_languages, $wpefield_version;
            if( 'toplevel_page_order_delivery_date_lite' != $hook ) {
                return;
            }
            
            wp_dequeue_script( 'themeswitcher' );
            wp_enqueue_script( 'themeswitcher-orddd', esc_url( plugins_url( '/js/jquery.themeswitcher.min.js', __FILE__ ) ), array( 'jquery', 'jquery-ui-sortable', 'jquery-ui-datepicker' ), $wpefield_version, false );
                
            foreach ( $orddd_lite_languages as $key => $value ) {
                wp_enqueue_script( $value, esc_url( plugins_url( "/js/i18n/jquery.ui.datepicker-$key.js", __FILE__ ) ), array( 'jquery', 'jquery-ui-datepicker' ), $wpefield_version, false );
            }
            
            wp_register_style( 'woocommerce_admin_styles', esc_url( plugins_url() . '/woocommerce/assets/css/admin.css' ), array(), WC_VERSION );
            wp_enqueue_style( 'woocommerce_admin_styles' );
            wp_enqueue_style( 'order-delivery-date', esc_url( plugins_url('/css/order-delivery-date.css', __FILE__ ) ) , '', $wpefield_version, false);
            wp_register_style( 'jquery-ui-style', esc_url( '//code.jquery.com/ui/1.9.2/themes/smoothness/jquery-ui.css' ), '', $wpefield_version, false );
            wp_enqueue_style( 'jquery-ui-style' );
            wp_enqueue_style( 'datepicker', esc_url( plugins_url('/css/datepicker.css', __FILE__) ), '', $wpefield_version, false);            
        }
        
        /** 
         * Enqueue scripts on the frontend checkout page
         * 
         * @hook woocommerce_after_checkout_billing_form
         * @hook woocommerce_after_checkout_shipping_form
         * @hook woocommerce_before_order_notes
         * @hook woocommerce_after_order_notes
         *
         * @since 1.0
         */   

        function orddd_lite_front_scripts_js() {
            global $wpefield_version;
            if ( get_option( 'orddd_lite_enable_delivery_date' ) == 'on' ) {
                $calendar_theme = get_option( 'orddd_lite_calendar_theme' );
                if ( $calendar_theme == '' ) {
                    $calendar_theme = 'base';
                }
                wp_dequeue_style( 'jquery-ui-style' );
                wp_register_style( 'jquery-ui-style-orddd-lite', esc_url( "//code.jquery.com/ui/1.9.2/themes/$calendar_theme/jquery-ui.css" ), '', $wpefield_version, false );
                wp_enqueue_style( 'jquery-ui-style-orddd-lite' );
                wp_enqueue_style( 'datepicker', esc_url( plugins_url('/css/datepicker.css', __FILE__) ), '', $wpefield_version, false);
                
                wp_dequeue_script( 'initialize-datepicker' );
                wp_enqueue_script( 'initialize-datepicker-orddd', esc_url( plugins_url( '/js/orddd-lite-initialize-datepicker.js', __FILE__ ) ), '', $wpefield_version, false );
                
                $jsArgs = array(
                        'clearText'    => __( 'Clear', 'order-delivery-date' ),
                        'holidayText'  => __( 'Holiday', 'order-delivery-date' ),
                        'bookedText'   => __( 'Booked', 'order-delivery-date' )
                    );
                wp_localize_script( 'initialize-datepicker-orddd', 'jsL10n', $jsArgs );

                if ( isset( $_GET[ 'lang' ] ) && $_GET[ 'lang' ] != '' && $_GET[ 'lang' ] != null ) {
                    $language_selected = $_GET['lang'];
                } else {
                    $language_selected = get_option( 'orddd_lite_language_selected' );
                    if ( defined( 'ICL_LANGUAGE_CODE' ) ) {
                        if( constant( 'ICL_LANGUAGE_CODE' ) != '' ) {
                            $wpml_current_language = constant( 'ICL_LANGUAGE_CODE' );
                            if ( !empty( $wpml_current_language ) ) {
                                $language_selected = $wpml_current_language;
                            } else {
                                $language_selected = get_option( 'orddd_lite_language_selected' );
                            }
                        }
                    }
                    if ( $language_selected == "" ) {
                        $language_selected = "en-GB";
                    }
                }
                 
                wp_enqueue_script( $language_selected, esc_url( plugins_url( "/js/i18n/jquery.ui.datepicker-$language_selected.js", __FILE__ ) ), array( 'jquery', 'jquery-ui-datepicker' ), $wpefield_version, false );
            }
        }               
    }
} 
$order_delivery_date_lite = new order_delivery_date_lite();
?>

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Classes