robotstxt-smtp-newsletter/admin/class-emails-list-page.php

<?php
/**
 * Email Queue Admin Page
 *
 * Displays queued and sent emails with status information.
 *
 * @package ROBOTSTXT_SMTP_Newsletter
 * @since 2.2.0
 */

namespace Robotstxt_SMTP_Newsletter\Admin;

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * Emails List Page class.
 *
 * Provides admin UI for viewing email queue.
 */
class Emails_List_Page {

	/**
	 * Register admin page hooks.
	 *
	 * @return void
	 */
	public static function register() {
		add_submenu_page(
			'newsletter_main_main',
			__( 'Email Queue', 'robotstxt-smtp-newsletter' ),
			__( 'Email Queue', 'robotstxt-smtp-newsletter' ),
			'manage_options',
			'robotstxt-smtp-newsletter-emails',
			array( __CLASS__, 'render_page' )
		);
	}

	/**
	 * Render admin page.
	 *
	 * @return void
	 */
	public static function render_page() {
		if ( ! current_user_can( 'manage_options' ) ) {
			wp_die( esc_html__( 'Insufficient permissions', 'robotstxt-smtp-newsletter' ) );
		}

		$queue    = \Robotstxt_SMTP_Newsletter\Queue::get_instance();
		$page     = isset( $_GET['paged'] ) ? max( 1, intval( $_GET['paged'] ) ) : 1;
		$per_page = 50;
		$offset   = ( $page - 1 ) * $per_page;

		$emails       = $queue->get_recent_emails( $per_page, $offset );
		$total_emails = $queue->count_total_emails();
		$total_pages  = ceil( $total_emails / $per_page );

		?>
		<div class="wrap">
			<h1><?php esc_html_e( 'Email Queue', 'robotstxt-smtp-newsletter' ); ?></h1>

			<p class="description">
				<?php
				printf(
					/* translators: %d: total emails in queue */
					esc_html__( 'Total emails in database: %d', 'robotstxt-smtp-newsletter' ),
					number_format_i18n( $total_emails )
				);
				?>
			</p>

			<table class="wp-list-table widefat fixed striped">
				<thead>
					<tr>
						<th style="width:50px;"><?php esc_html_e( 'ID', 'robotstxt-smtp-newsletter' ); ?></th>
						<th><?php esc_html_e( 'To', 'robotstxt-smtp-newsletter' ); ?></th>
						<th><?php esc_html_e( 'Subject', 'robotstxt-smtp-newsletter' ); ?></th>
						<th><?php esc_html_e( 'Campaign', 'robotstxt-smtp-newsletter' ); ?></th>
						<th><?php esc_html_e( 'Status', 'robotstxt-smtp-newsletter' ); ?></th>
						<th><?php esc_html_e( 'Created', 'robotstxt-smtp-newsletter' ); ?></th>
						<th><?php esc_html_e( 'Sent', 'robotstxt-smtp-newsletter' ); ?></th>
					</tr>
				</thead>
				<tbody>
					<?php if ( empty( $emails ) ) : ?>
						<tr>
							<td colspan="7" style="text-align:center; padding:40px;">
								<p><?php esc_html_e( 'No emails in queue', 'robotstxt-smtp-newsletter' ); ?></p>
							</td>
						</tr>
					<?php else : ?>
						<?php foreach ( $emails as $email ) : ?>
							<tr>
								<td><?php echo absint( $email->id ); ?></td>
								<td><?php echo esc_html( $email->to_email ); ?></td>
								<td>
									<strong><?php echo esc_html( $email->subject ); ?></strong>
									<?php if ( ! empty( $email->last_error ) ) : ?>
										<br><small style="color:#d9534f;">
											<?php echo esc_html( $email->last_error ); ?>
										</small>
									<?php endif; ?>
								</td>
								<td><?php echo esc_html( $email->campaign_name ?? '-' ); ?></td>
								<td>
									<?php
									if ( $email->sent_at ) {
										echo '<span style="color:#5cb85c;">✓ ' . esc_html__( 'Sent', 'robotstxt-smtp-newsletter' ) . '</span>';
									} elseif ( $email->locked_at ) {
										echo '<span style="color:#f0ad4e;">⏳ ' . esc_html__( 'Processing', 'robotstxt-smtp-newsletter' ) . '</span>';
									} elseif ( $email->attempts >= 3 ) {
										echo '<span style="color:#d9534f;">✗ ' . esc_html__( 'Failed', 'robotstxt-smtp-newsletter' ) . '</span>';
									} else {
										echo '<span style="color:#999;">⏸ ' . esc_html__( 'Pending', 'robotstxt-smtp-newsletter' ) . '</span>';
										if ( $email->attempts > 0 ) {
											echo sprintf(
												' <small>(%s)</small>',
												sprintf(
													/* translators: %d: number of retry attempts */
													esc_html__( 'Retry %d', 'robotstxt-smtp-newsletter' ),
													absint( $email->attempts )
												)
											);
										}
									}
									?>
								</td>
								<td>
									<?php
									$created_time = mysql2date( 'Y-m-d H:i:s', $email->created_at );
									echo esc_html( $created_time );
									?>
								</td>
								<td>
									<?php
									if ( $email->sent_at ) {
										$sent_time = mysql2date( 'Y-m-d H:i:s', $email->sent_at );
										echo esc_html( $sent_time );
									} else {
										echo '-';
									}
									?>
								</td>
							</tr>
						<?php endforeach; ?>
					<?php endif; ?>
				</tbody>
			</table>

			<?php if ( $total_pages > 1 ) : ?>
				<div class="tablenav bottom">
					<div class="tablenav-pages">
						<?php
						echo paginate_links(
							array(
								'base'      => add_query_arg( 'paged', '%#%' ),
								'format'    => '',
								'prev_text' => __( '&laquo;' ),
								'next_text' => __( '&raquo;' ),
								'total'     => $total_pages,
								'current'   => $page,
							)
						);
						?>
					</div>
				</div>
			<?php endif; ?>
		</div>
		<?php
	}
}