38cdebd0c6
Initial import of the bdmurphy Bookshelf work: the bd-bookshelf theme, bd-bookshelf-plugin, bd-bookshelfhelper and bd-simpleemail plugins, plus the specification documents, mockups and release archives.
278 lines
9.7 KiB
PHP
278 lines
9.7 KiB
PHP
<?php
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/**
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* Main SimpleEmail Plugin Class
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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 BD_SimpleEmail {
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private static $instance = null;
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public static function instance() {
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if (null === self::$instance) {
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self::$instance = new self();
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}
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return self::$instance;
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}
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private function __construct() {
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$this->init_hooks();
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}
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private function init_hooks() {
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add_action('admin_menu', array($this, 'add_menu_pages'));
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add_action('admin_post_bdm_signup_submit', array($this, 'handle_signup'));
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add_action('admin_post_bdm_unsubscribe_submit', array($this, 'handle_unsubscribe'));
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add_action('wp_ajax_bdm_ajax_signup', array($this, 'ajax_signup'));
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add_action('wp_ajax_nopriv_bdm_ajax_signup', array($this, 'ajax_signup'));
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add_shortcode('bdm_signup', array($this, 'signup_shortcode'));
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}
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public function add_menu_pages() {
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add_menu_page(
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__('BD SimpleEmail', 'bd-simpleemail'),
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__('BD SimpleEmail', 'bd-simpleemail'),
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'manage_options',
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'bd-simpleemail',
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'',
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'dashicons-email',
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32
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);
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add_submenu_page(
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'bd-simpleemail',
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__('Subscribers', 'bd-simpleemail'),
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__('Subscribers', 'bd-simpleemail'),
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'manage_options',
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'bd-email-subscribers',
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array('BD_SimpleEmail_Admin', 'subscribers_page')
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);
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add_submenu_page(
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'bd-simpleemail',
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__('New Newsletter', 'bd-simpleemail'),
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__('New Newsletter', 'bd-simpleemail'),
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'manage_options',
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'bd-email-new',
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array('BD_SimpleEmail_Admin', 'new_newsletter_page')
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);
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add_submenu_page(
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'bd-simpleemail',
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__('Settings', 'bd-simpleemail'),
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__('Settings', 'bd-simpleemail'),
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'manage_options',
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'bd-email-settings',
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array('BD_SimpleEmail_Admin', 'settings_page')
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);
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}
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public function handle_signup() {
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if (!isset($_POST['bdm_signup_nonce']) || !wp_verify_nonce($_POST['bdm_signup_nonce'], 'bdm_signup')) {
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wp_safe_redirect(add_query_arg('error', 'invalid', home_url('/signup/')));
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exit;
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}
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$email = sanitize_email($_POST['email']);
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$first_name = sanitize_text_field($_POST['first_name']);
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if (!$email) {
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wp_safe_redirect(add_query_arg('error', 'invalid', home_url('/signup/')));
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exit;
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}
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$result = self::subscribe($email, $first_name);
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if ($result) {
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wp_safe_redirect(add_query_arg('success', '1', home_url('/signup/')));
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} else {
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wp_safe_redirect(add_query_arg('error', 'exists', home_url('/signup/')));
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}
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exit;
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}
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public function handle_unsubscribe() {
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if (!isset($_POST['bdm_unsubscribe_nonce']) || !wp_verify_nonce($_POST['bdm_unsubscribe_nonce'], 'bdm_unsubscribe')) {
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wp_safe_redirect(add_query_arg('error', 'invalid', home_url('/unsubscribe/')));
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exit;
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}
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$email = sanitize_email($_POST['email']);
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if ($email) {
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self::unsubscribe($email);
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}
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wp_safe_redirect(add_query_arg('success', '1', home_url('/unsubscribe/')));
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exit;
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}
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public function ajax_signup() {
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check_ajax_referer('bdm_ajax_signup');
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$email = sanitize_email($_POST['email']);
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if (!$email || !is_email($email)) {
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wp_send_json_error(array('message' => 'Invalid email address'));
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}
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$first_name = isset($_POST['first_name']) ? sanitize_text_field($_POST['first_name']) : '';
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$opt_in = isset($_POST['opt_in']) && $_POST['opt_in'];
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if (!$opt_in) {
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wp_send_json_error(array('message' => 'Please confirm your subscription'));
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}
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$result = self::subscribe($email, $first_name);
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if ($result) {
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wp_send_json_success(array('message' => 'Thank you for subscribing!'));
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} else {
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wp_send_json_error(array('message' => 'You are already subscribed or cannot be added'));
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}
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}
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public static function subscribe($email, $first_name = '') {
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global $wpdb;
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$table_name = $wpdb->prefix . 'bd_subscribers';
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$exists = $wpdb->get_var($wpdb->prepare(
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"SELECT id FROM {$table_name} WHERE email = %s",
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$email
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));
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if ($exists) {
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return false;
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}
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$result = $wpdb->insert($table_name, array(
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'email' => $email,
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'first_name' => $first_name,
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'status' => 'subscribed',
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'subscribed_at' => current_time('mysql'),
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'ip_address' => $_SERVER['REMOTE_ADDR'],
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));
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return $result;
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}
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public static function unsubscribe($email) {
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global $wpdb;
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$table_name = $wpdb->prefix . 'bd_subscribers';
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return $wpdb->update($table_name, array(
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'status' => 'unsubscribed',
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'unsubscribed_at' => current_time('mysql'),
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), array('email' => $email));
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}
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public static function get_subscribers($status = 'subscribed') {
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global $wpdb;
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$table_name = $wpdb->prefix . 'bd_subscribers';
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return $wpdb->get_results($wpdb->prepare(
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"SELECT * FROM {$table_name} WHERE status = %s ORDER BY subscribed_at DESC",
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$status
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));
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}
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public static function get_subscriber_count($status = 'subscribed') {
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global $wpdb;
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$table_name = $wpdb->prefix . 'bd_subscribers';
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return $wpdb->get_var($wpdb->prepare(
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"SELECT COUNT(*) FROM {$table_name} WHERE status = %s",
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$status
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));
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}
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public static function get_settings() {
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return array(
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'gmail_address' => get_option('bdm_gmail_address', ''),
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'gmail_password' => get_option('bdm_gmail_password', ''),
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'sender_name' => get_option('bdm_sender_name', get_bloginfo('name')),
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'reply_to' => get_option('bdm_reply_to', ''),
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'gemini_api_key' => get_option('bdm_gemini_api_key', ''),
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);
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}
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public static function get_business_info() {
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$options = get_option('bdm_theme_options', array());
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return array(
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'name' => isset($options['business_name']) ? $options['business_name'] : '',
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'address_1' => isset($options['business_address_1']) ? $options['business_address_1'] : '',
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'address_2' => isset($options['business_address_2']) ? $options['business_address_2'] : '',
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'city' => isset($options['business_city']) ? $options['business_city'] : '',
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'country' => isset($options['business_country']) ? $options['business_country'] : '',
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'phone' => isset($options['business_phone']) ? $options['business_phone'] : '',
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);
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}
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public static function generate_unsubscribe_token($email) {
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$secret_key = defined('AUTH_KEY') ? AUTH_KEY : 'bdm_unsubscribe_secret';
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return hash_hmac('sha256', $email, $secret_key);
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}
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public static function verify_unsubscribe_token($email, $token) {
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return hash_equals(self::generate_unsubscribe_token($email), $token);
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}
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public function signup_shortcode($atts = array()) {
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$atts = shortcode_atts(array(), $atts);
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ob_start();
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?>
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<form id="bdm-signup-form" class="bdm-signup-form">
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<?php wp_nonce_field('bdm_ajax_signup', 'bdm_signup_nonce'); ?>
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<p class="form-field">
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<label for="bdm-email"><?php esc_html_e('Email Address', 'bd-simpleemail'); ?> *</label>
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<input type="email" id="bdm-email" name="email" required>
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</p>
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<p class="form-field">
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<label for="bdm-first-name"><?php esc_html_e('First Name', 'bd-simpleemail'); ?></label>
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<input type="text" id="bdm-first-name" name="first_name">
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</p>
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<p class="form-field checkbox-field">
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<input type="checkbox" id="bdm-opt-in" name="opt_in" value="1" required>
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<label for="bdm-opt-in"><?php esc_html_e('I agree to receive email updates.', 'bd-simpleemail'); ?></label>
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</p>
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<p class="form-submit">
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<button type="submit" class="submit-btn"><?php esc_html_e('Subscribe', 'bd-simpleemail'); ?></button>
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</p>
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<div class="form-response" style="display:none;"></div>
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</form>
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<script>
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jQuery(document).ready(function($) {
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$('#bdm-signup-form').on('submit', function(e) {
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e.preventDefault();
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var form = $(this);
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var response = form.find('.form-response');
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$.ajax({
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type: 'POST',
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url: '<?php echo admin_url('admin-ajax.php'); ?>',
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data: form.serialize() + '&action=bdm_ajax_signup',
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success: function(response) {
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if (response.success) {
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response.html('<p class="success">' + response.data.message + '</p>').show();
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form[0].reset();
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} else {
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response.html('<p class="error">' + response.data.message + '</p>').show();
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}
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},
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error: function() {
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response.html('<p class="error"><?php esc_html_e('An error occurred. Please try again.', 'bd-simpleemail'); ?></p>').show();
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}
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});
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});
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});
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</script>
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<?php
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return ob_get_clean();
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}
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}
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