wordpress-theme-aksrt/inc/classes/forum/class-aksrt-plate-meta-box.php

<?php
/**
 * Native meta box for aksrt_forum_plate moderators & applications.
 *
 * @package AKSRT
 */

defined('ABSPATH') || exit;

class AKSRT_Plate_Meta_Box {

    private static $instance = null;

    public static function get_instance(): self {
        if (null === self::$instance) {
            self::$instance = new self();
        }
        return self::$instance;
    }

    public function init(): void {
        if (!is_admin()) {
            return;
        }
        add_action('add_meta_boxes', [$this, 'register_meta_box']);
        add_action('save_post_aksrt_forum_plate', [$this, 'save'], 20, 2);
    }

    public function register_meta_box(): void {
        add_meta_box(
            'aksrt_plate_moderators',
            __('版主与申请', 'aksrt'),
            [$this, 'render'],
            'aksrt_forum_plate',
            'side',
            'high'
        );
    }

    public function render(WP_Post $post): void {
        wp_nonce_field('aksrt_plate_meta_save', 'aksrt_plate_meta_nonce');

        $moderator_ids = [];
        $applications  = [];
        if (class_exists('AKSRT_Forum')) {
            $forum         = AKSRT_Forum::get_instance();
            $moderator_ids = $forum->get_plate_moderators((int) $post->ID);
            $applications  = $forum->get_plate_moderator_applications((int) $post->ID);
        } else {
            $raw = get_post_meta($post->ID, '_aksrt_moderators', true);
            $moderator_ids = is_array($raw) ? array_map('intval', $raw) : [];
            $applications  = get_post_meta($post->ID, '_aksrt_moderator_applications', true);
            $applications  = is_array($applications) ? $applications : [];
        }

        $moderator_labels = [];
        foreach ($moderator_ids as $uid) {
            $user = get_userdata((int) $uid);
            $moderator_labels[] = $user
                ? sprintf('%s (#%d)', $user->user_login, (int) $uid)
                : (string) (int) $uid;
        }
        ?>
        <p>
            <label for="aksrt_plate_moderators"><strong><?php esc_html_e('版主用户 ID', 'aksrt'); ?></strong></label>
            <textarea id="aksrt_plate_moderators" name="aksrt_plate_moderators" rows="3" class="widefat" placeholder="1,2,3"><?php echo esc_textarea(implode(',', array_map('intval', $moderator_ids))); ?></textarea>
            <span class="description"><?php esc_html_e('逗号或换行分隔的用户 ID。超级版主为版块作者。', 'aksrt'); ?></span>
        </p>
        <?php if ($moderator_labels) : ?>
            <p class="description"><?php echo esc_html(implode(' · ', $moderator_labels)); ?></p>
        <?php endif; ?>

        <hr>
        <p><strong><?php esc_html_e('版主申请', 'aksrt'); ?></strong></p>
        <?php
        $pending = array_values(array_filter($applications, static function ($app) {
            return is_array($app) && (($app['status'] ?? '') === 'pending' || ($app['status'] ?? '') === AKSRT_Forum::APPLICATION_PENDING);
        }));
        if (!$pending) {
            echo '<p class="description">' . esc_html__('暂无待处理申请。', 'aksrt') . '</p>';
            return;
        }

        echo '<ul style="margin:0;padding-left:16px;">';
        foreach ($pending as $app) {
            $uid  = (int) ($app['user_id'] ?? 0);
            $user = $uid > 0 ? get_userdata($uid) : null;
            $aid  = (string) ($app['id'] ?? '');
            $reason = (string) ($app['reason'] ?? '');
            echo '<li style="margin-bottom:10px;">';
            echo '<div><code>' . esc_html($user ? $user->display_name . ' (#' . $uid . ')' : (string) $uid) . '</code></div>';
            if ($reason !== '') {
                echo '<div class="description">' . esc_html($reason) . '</div>';
            }
            echo '<label style="display:block;margin-top:4px;"><input type="radio" name="aksrt_plate_app[' . esc_attr($aid) . ']" value="keep" checked> ' . esc_html__('保留', 'aksrt') . '</label>';
            echo '<label style="display:block;"><input type="radio" name="aksrt_plate_app[' . esc_attr($aid) . ']" value="approved"> ' . esc_html__('通过', 'aksrt') . '</label>';
            echo '<label style="display:block;"><input type="radio" name="aksrt_plate_app[' . esc_attr($aid) . ']" value="rejected"> ' . esc_html__('拒绝', 'aksrt') . '</label>';
            echo '</li>';
        }
        echo '</ul>';
    }

    public function save(int $post_id, WP_Post $post): void {
        if (!isset($_POST['aksrt_plate_meta_nonce']) || !wp_verify_nonce(sanitize_text_field(wp_unslash((string) $_POST['aksrt_plate_meta_nonce'])), 'aksrt_plate_meta_save')) {
            return;
        }
        if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE) {
            return;
        }
        if ($post->post_type !== 'aksrt_forum_plate' || !current_user_can('edit_post', $post_id)) {
            return;
        }

        $raw = isset($_POST['aksrt_plate_moderators']) ? (string) wp_unslash($_POST['aksrt_plate_moderators']) : '';
        $ids = preg_split('/[\s,;]+/', $raw) ?: [];
        $ids = array_values(array_unique(array_filter(array_map('intval', $ids))));
        update_post_meta($post_id, '_aksrt_moderators', $ids);

        $actions = isset($_POST['aksrt_plate_app']) && is_array($_POST['aksrt_plate_app'])
            ? wp_unslash($_POST['aksrt_plate_app'])
            : [];
        if (!$actions || !class_exists('AKSRT_Forum')) {
            return;
        }

        $forum = AKSRT_Forum::get_instance();
        foreach ($actions as $application_id => $action) {
            $application_id = sanitize_text_field((string) $application_id);
            $action         = sanitize_key((string) $action);
            if ($application_id === '' || $action === 'keep') {
                continue;
            }
            if ($action === 'approved') {
                $forum->review_moderator_application($application_id, AKSRT_Forum::APPLICATION_APPROVED, '', get_current_user_id());
            } elseif ($action === 'rejected') {
                $forum->review_moderator_application($application_id, AKSRT_Forum::APPLICATION_REJECTED, '', get_current_user_id());
            }
        }
    }
}