299 lines
8.9 KiB
PHP
299 lines
8.9 KiB
PHP
<?php
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// Copyright 2026 Umbra Tools (umbratools.com)
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// SPDX-License-Identifier: Apache-2.0
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/**
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* Retail Sites management class
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*
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* @package BD_Bookshelf
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*/
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if (!defined('ABSPATH')) {
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exit;
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}
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class BDM_Retail_Sites {
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/**
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* Get all retail sites
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*/
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public static function get_sites($active_only = true) {
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global $wpdb;
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$table = BDM_Database::table('retail_sites');
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$where = $active_only ? 'is_active = 1' : '1=1';
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$sites = $wpdb->get_results(
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"SELECT * FROM {$table} WHERE {$where} ORDER BY is_custom ASC, name ASC"
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);
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return $sites;
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}
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/**
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* Get site by ID
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*/
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public static function get_site($site_id) {
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global $wpdb;
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$table = BDM_Database::table('retail_sites');
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return $wpdb->get_row(
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$wpdb->prepare(
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"SELECT * FROM {$table} WHERE id = %d",
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$site_id
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)
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);
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}
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/**
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* Create new retail site
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*/
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public static function create_site($data) {
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global $wpdb;
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$table = BDM_Database::table('retail_sites');
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$result = $wpdb->insert($table, [
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'name' => sanitize_text_field($data['name']),
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'url_pattern' => esc_url_raw($data['url_pattern']),
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'icon' => sanitize_text_field($data['icon'] ?? ''),
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'affiliate_param' => sanitize_text_field($data['affiliate_param'] ?? ''),
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'affiliate_code' => sanitize_text_field($data['affiliate_code'] ?? ''),
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'is_custom' => 1,
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'is_active' => 1,
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]);
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return $result ? $wpdb->insert_id : false;
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}
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/**
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* Update retail site
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*/
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public static function update_site($site_id, $data) {
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global $wpdb;
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$table = BDM_Database::table('retail_sites');
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$update_data = [];
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if (isset($data['name'])) {
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$update_data['name'] = sanitize_text_field($data['name']);
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}
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if (isset($data['url_pattern'])) {
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$update_data['url_pattern'] = esc_url_raw($data['url_pattern']);
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}
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if (isset($data['icon'])) {
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$update_data['icon'] = sanitize_text_field($data['icon']);
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}
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if (isset($data['affiliate_param'])) {
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$update_data['affiliate_param'] = sanitize_text_field($data['affiliate_param']);
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}
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if (isset($data['affiliate_code'])) {
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$update_data['affiliate_code'] = sanitize_text_field($data['affiliate_code']);
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}
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if (isset($data['is_active'])) {
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$update_data['is_active'] = absint($data['is_active']);
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}
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if (empty($update_data)) {
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return false;
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}
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$result = $wpdb->update(
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$table,
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$update_data,
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['id' => $site_id],
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null,
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['%d']
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);
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return $result !== false;
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}
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/**
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* Delete retail site
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*/
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public static function delete_site($site_id) {
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global $wpdb;
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// Only allow deleting custom sites
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$site = self::get_site($site_id);
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if ($site && $site->is_custom) {
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$wpdb->delete(BDM_Database::table('retail_links'), ['site_id' => $site_id], ['%d']);
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return $wpdb->delete(BDM_Database::table('retail_sites'), ['id' => $site_id], ['%d']) !== false;
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}
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return false;
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}
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/**
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* Generate links for a book
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*/
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public static function generate_links_for_book($book_id) {
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global $wpdb;
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$book = BDM_Book_Manager::get_book($book_id);
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if (!$book) {
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return false;
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}
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$sites = self::get_sites(true);
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$links_table = BDM_Database::table('retail_links');
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// Delete existing links
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$wpdb->delete($links_table, ['book_id' => $book_id], ['%d']);
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// Format to ISBN mapping
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$formats = [
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'ebook' => $book->isbn_ebook,
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'paperback' => $book->isbn_paperback,
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'hardcover' => $book->isbn_hardcover,
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'audio' => $book->isbn_audio,
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];
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// Use Amazon ASIN for Amazon if available
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$amazon_asin = $book->amazon_asin ?: '';
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foreach ($formats as $format => $isbn) {
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if (empty($isbn)) {
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continue;
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}
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foreach ($sites as $site) {
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$site_isbn = $isbn;
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// Special handling for Amazon - needs ISBN-10 for /dp/ path
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if ($site->name === 'Amazon') {
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// Use ASIN if available (it's already ISBN-10 format)
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if (!empty($amazon_asin)) {
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$site_isbn = $amazon_asin;
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$url = str_replace('{ISBN}', $site_isbn, $site->url_pattern);
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} else {
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// Try to convert ISBN-13 to ISBN-10
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$isbn10 = self::convert_isbn13_to_isbn10($isbn);
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if ($isbn10) {
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$url = str_replace('{ISBN}', $isbn10, $site->url_pattern);
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} else {
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// Use search fallback for ISBNs that can't convert (979 prefix)
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$url = 'https://www.amazon.com/s?k=' . urlencode($isbn) . '&i=stripbooks';
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}
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}
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// Add affiliate code if available
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if (!empty($site->affiliate_param) && !empty($site->affiliate_code)) {
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$separator = strpos($url, '?') !== false ? '&' : '?';
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$url .= $separator . $site->affiliate_param . '=' . $site->affiliate_code;
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}
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$wpdb->insert($links_table, [
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'book_id' => $book_id,
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'site_id' => $site->id,
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'format' => $format,
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'url' => $url,
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'is_custom' => 0,
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]);
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continue;
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}
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$url = str_replace('{ISBN}', $site_isbn, $site->url_pattern);
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// Add affiliate code if available
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if (!empty($site->affiliate_param) && !empty($site->affiliate_code)) {
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$separator = strpos($url, '?') !== false ? '&' : '?';
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$url .= $separator . $site->affiliate_param . '=' . $site->affiliate_code;
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}
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$wpdb->insert($links_table, [
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'book_id' => $book_id,
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'site_id' => $site->id,
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'format' => $format,
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'url' => $url,
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'is_custom' => 0,
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]);
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}
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}
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return true;
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}
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/**
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* Convert ISBN-13 to ISBN-10
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*
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* @param string $isbn13 ISBN-13 to convert.
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* @return string|false ISBN-10 on success, false on failure.
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*/
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private static function convert_isbn13_to_isbn10($isbn13) {
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// Clean the ISBN
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$isbn13 = preg_replace('/[^0-9X]/i', '', $isbn13);
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// Must be 13 digits
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if (strlen($isbn13) !== 13) {
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return false;
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}
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// Must start with 978 (Bookland prefix)
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if (substr($isbn13, 0, 3) !== '978') {
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return false;
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}
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// Take the first 9 digits (drop 978 prefix and last check digit)
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$isbn10 = substr($isbn13, 3, 9);
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// Calculate check digit
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$sum = 0;
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for ($i = 0; $i < 9; $i++) {
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$sum += (int)$isbn10[$i] * (10 - $i);
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}
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$remainder = $sum % 11;
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$check_digit = (11 - $remainder) % 11;
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// Convert check digit to ISBN-10 format (10 = X)
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$check_digit = ($check_digit === 10) ? 'X' : (string)$check_digit;
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return $isbn10 . $check_digit;
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}
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/**
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* Update custom link
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*/
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public static function update_link($link_id, $url) {
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global $wpdb;
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$table = BDM_Database::table('retail_links');
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return $wpdb->update(
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$table,
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['url' => esc_url_raw($url), 'is_custom' => 1],
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['id' => $link_id],
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['%s', '%d'],
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['%d']
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) !== false;
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}
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/**
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* Create custom link
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*/
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public static function create_custom_link($book_id, $site_id, $format, $url) {
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global $wpdb;
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$table = BDM_Database::table('retail_links');
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$result = $wpdb->insert($table, [
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'book_id' => $book_id,
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'site_id' => $site_id,
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'format' => $format,
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'url' => esc_url_raw($url),
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'is_custom' => 1,
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]);
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return $result ? $wpdb->insert_id : false;
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}
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}
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