rl-warmup-plugin/includes/rl-mailwarmer-importer.php

<?php

add_action('admin_menu', function () {
    add_menu_page(
        __('Import Data', 'rl-mailwarmer'), // Page title
        __('Import Data', 'rl-mailwarmer'), // Menu title
        'manage_options',                  // Capability
        'rl-mailwarmer-import-data',       // Menu slug
        'rl_mailwarmer_render_import_page', // Callback function
        'dashicons-upload',                // Icon
        25                                 // Position
    );
});


/**
 * Render the Import Data admin page.
 */
function rl_mailwarmer_render_import_page() {
    if (!current_user_can('manage_options')) {
        return;
    }

    // Check for a nonce and handle file upload
    if (isset($_POST['rl_import_nonce']) && wp_verify_nonce($_POST['rl_import_nonce'], 'rl_import_data')) {
        if (!empty($_FILES['domain_csv']['tmp_name'])) {
            rl_mailwarmer_process_domain_csv($_FILES['domain_csv']['tmp_name']);
        }

        if (!empty($_FILES['email_account_csv']['tmp_name'])) {
            rl_mailwarmer_process_email_account_csv($_FILES['email_account_csv']['tmp_name']);
        }
    }

    ?>
    <div class="wrap">
        <h1><?php esc_html_e('Import Data', 'rl-mailwarmer'); ?></h1>
        <form method="post" enctype="multipart/form-data">
            <?php wp_nonce_field('rl_import_data', 'rl_import_nonce'); ?>
            
            <h2><?php esc_html_e('Import Domains', 'rl-mailwarmer'); ?></h2>
            <p><?php esc_html_e('Upload a CSV file to import domains.', 'rl-mailwarmer'); ?></p>
            <input type="file" name="domain_csv" accept=".csv" />
            
            <h2><?php esc_html_e('Import Email Accounts', 'rl-mailwarmer'); ?></h2>
            <p><?php esc_html_e('Upload a CSV file to import email accounts.', 'rl-mailwarmer'); ?></p>
            <input type="file" name="email_account_csv" accept=".csv" />
            
            <p><button type="submit" class="button button-primary"><?php esc_html_e('Upload Files', 'rl-mailwarmer'); ?></button></p>
        </form>
    </div>
    <?php
}


function rl_mailwarmer_process_domain_csv($file_path) {
    $handle = fopen($file_path, 'r');
    if (!$handle) {
        echo '<div class="error"><p>' . __('Failed to open the domain CSV file.', 'rl-mailwarmer') . '</p></div>';
        return;
    }

    // Read the headers
    $headers = fgetcsv($handle);

    while (($row = fgetcsv($handle)) !== false) {
        $data = array_combine($headers, $row);

        if (empty($data['name'])) {
            continue; // Skip invalid rows
        }

        // Create or update the domain post
        $existing_domain = get_posts([
            'post_type' => 'domain',
            'title' => $data['name'],
            'posts_per_page' => 1,
            'fields' => 'ids',
        ]);

        $post_id = $existing_domain[0] ?? null;

        $post_data = [
            'post_title' => $data['name'],
            'post_type' => 'domain',
            'post_status' => 'publish',
        ];

        if ($post_id) {
            $post_data['ID'] = $post_id;
        }

        $post_id = wp_insert_post($post_data);

        if (!is_wp_error($post_id)) {
            update_post_meta($post_id, 'cloudflare_api_email', sanitize_text_field($data['cloudflare_api_email']));
            update_post_meta($post_id, 'cloudflare_api_key', sanitize_text_field($data['cloudflare_api_key']));
            log_to_file("rl_mailwarmer_process_domain_csv - Imported domain: " . $data['name']);
        } else {

        	log_to_file("rl_mailwarmer_process_domain_csv - ERROR importing domain: " . $data['name']);
        }
    }

    fclose($handle);
    echo '<div class="updated"><p>' . __('Domains imported successfully.', 'rl-mailwarmer') . '</p></div>';
}

function rl_mailwarmer_process_email_account_csv($file_path) {
    $handle = fopen($file_path, 'r');
    if (!$handle) {
        echo '<div class="error"><p>' . __('Failed to open the email account CSV file.', 'rl-mailwarmer') . '</p></div>';
        return;
    }

    // Read the headers
    $headers = fgetcsv($handle);

    while (($row = fgetcsv($handle)) !== false) {
        $data = array_combine($headers, $row);

        if (empty($data['Email Address']) || empty($data['Password'])) {
            continue; // Skip invalid rows
        }

        if (!empty($data['Name'])) {
            $name = sanitize_text_field($data['Name']);
        }

        if (!empty($data['Signature'])) {
            $signature = sanitize_textarea_field(wp_slash($data['Signature']));
        	// log_to_file("rl_mailwarmer_process_email_account_csv - Signature: {$signature}");
        }

        // Match the email account to a domain
        $domain_name = strtolower(substr(strrchr($data['Email Address'], "@"), 1));
        $domain = get_posts([
            'post_type' => 'domain',
            'title' => $domain_name,
            'post_status' => 'publish',
            'posts_per_page' => 1,
            'fields' => 'ids',
        ]);

        // Match the email provider by name
        $email_provider = $data['Email Provider'];

        // Check if this is a scrubber account
        if (!empty($data['Is Scrubber'])) {
            $include_in_scrubber_pool = true;
        } else {
        	$include_in_scrubber_pool = false;
        }

        // Create or update the email account post
        $post_data = [
            'post_title' => strtolower($data['Email Address']),
            'post_type' => 'email-account',
            'post_status' => 'publish',
            'meta_input' => [
                'full_name' => $name,
                'mail_password' => sanitize_text_field($data['Password']),
                'email_provider' => $email_provider,
                'email_signature' => $signature,
                'include_in_scrubber_pool' => $include_in_scrubber_pool,
            ],
        ];

        if (!empty($domain)) {
            $post_data['meta_input']['domain'] = $domain[0];
        }

        $post_id = wp_insert_post($post_data);

        if (!is_wp_error($post_id)) {
            // $email_account_connection_status = RL_MailWarmer_Email_Helper::check_mail_login($post_id);
            log_to_file("rl_mailwarmer_process_email_account_csv - Imported email {$data['Email Address']}: ");
        } else {
            log_to_file("rl_mailwarmer_process_email_account_csv - ERROR importing email: " . $data['Email Address']);
        }
    }

    fclose($handle);
    echo '<div class="updated"><p>' . __('Email accounts imported successfully.', 'rl-mailwarmer') . '</p></div>';
}