wordpress-theme-aksrt/src/AKSRT/Widgets/RecentCommentsWidget.php

<?php
/**
 * Recent comments mini list (zibll widget_ui_new_comment + remote HTML).
 *
 * @package AKSRT
 */

namespace AKSRT\Widgets;

defined('ABSPATH') || exit;

class RecentCommentsWidget extends \WP_Widget {

	public function __construct() {
		parent::__construct('aksrt_recent_comments', esc_html__('AKSRT 最新评论', 'aksrt'), [
			'description' => esc_html__('显示最新评论列表', 'aksrt'),
		]);
	}

	public static function render_html(array $instance): string {
		$count = max(1, min(20, (int) ($instance['count'] ?? $instance['limit'] ?? 5)));
		$show_avatar = !isset($instance['show_avatar']) || !empty($instance['show_avatar']);
		$outpost = max(0, (int) ($instance['outpost'] ?? 0));
		$outer = sanitize_text_field((string) ($instance['outer'] ?? ''));
		$query = [
			'number'      => $count,
			'status'      => 'approve',
			'post_status' => 'publish',
		];
		if ($outpost > 0) {
			$query['post__not_in'] = [$outpost];
		}
		$comments = get_comments($query);
		if ($outer !== '' && $comments) {
			$keys = array_filter(array_map('trim', preg_split('/[,，]/', $outer) ?: []));
			if ($keys) {
				$comments = array_values(array_filter($comments, static function ($c) use ($keys) {
					$body = (string) $c->comment_content;
					foreach ($keys as $k) {
						if ($k !== '' && str_contains($body, $k)) {
							return false;
						}
					}
					return true;
				}));
			}
		}
		if (!$comments) {
			return '<p class="widget-empty ajax-item">' . esc_html__('暂无评论', 'aksrt') . '</p>';
		}
		ob_start();
		echo '<div class="widget-recent-comments comment-mini-lists ajax-item">';
		foreach ($comments as $comment) {
			$post = get_post($comment->comment_post_ID);
			if (!$post) {
				continue;
			}
			echo '<div class="widget-recent-comments__item">';
			if ($show_avatar) {
				echo '<div class="widget-recent-comments__avatar">' . get_avatar($comment, 32) . '</div>'; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
			}
			echo '<div class="widget-recent-comments__body">';
			echo '<div class="widget-recent-comments__meta">';
			echo '<strong class="widget-recent-comments__author">' . esc_html($comment->comment_author) . '</strong>';
			echo '<span class="widget-recent-comments__time">' . esc_html(human_time_diff(strtotime($comment->comment_date), current_time('timestamp'))) . '</span>';
			echo '</div>';
			echo '<p class="widget-recent-comments__text"><a href="' . esc_url(get_comment_link($comment)) . '">' . esc_html(wp_trim_words($comment->comment_content, 15, '...')) . '</a></p>';
			echo '<div class="widget-recent-comments__post muted-2-color em09"><a href="' . esc_url(get_permalink($post)) . '">' . esc_html(get_the_title($post)) . '</a></div>';
			echo '</div></div>';
		}
		echo '</div>';
		return (string) ob_get_clean();
	}

	public function widget($args, $instance): void {
		echo $args['before_widget']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
		$title = apply_filters('widget_title', (string) ($instance['title'] ?? __('最新评论', 'aksrt')), $instance, $this->id_base);
		if ($title !== '') {
			echo $args['before_title'] . esc_html($title) . $args['after_title']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
		}
		$rest = rest_url('aksrt/v1/widgets/recent-comments');
		echo '<div class="ajaxpager" data-aksrt-ajaxpager data-aksrt-ajax-url="' . esc_url($rest) . '">';
		echo self::render_html($instance); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
		echo '</div>';
		echo $args['after_widget']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
	}

	public function form($instance): void {
		?>
		<p>
			<label><?php esc_html_e('标题', 'aksrt'); ?>
				<input class="widefat" type="text" name="<?php echo esc_attr($this->get_field_name('title')); ?>" value="<?php echo esc_attr((string) ($instance['title'] ?? __('最新评论', 'aksrt'))); ?>">
			</label>
		</p>
		<p>
			<label><?php esc_html_e('数量', 'aksrt'); ?>
				<input class="tiny-text" type="number" min="1" max="20" name="<?php echo esc_attr($this->get_field_name('count')); ?>" value="<?php echo esc_attr((string) ((int) ($instance['count'] ?? 5))); ?>">
			</label>
		</p>
		<p>
			<label><input type="checkbox" name="<?php echo esc_attr($this->get_field_name('show_avatar')); ?>" value="1" <?php checked(!isset($instance['show_avatar']) || !empty($instance['show_avatar'])); ?>> <?php esc_html_e('显示头像', 'aksrt'); ?></label>
		</p>
		<p>
			<label><?php esc_html_e('排除文章 ID', 'aksrt'); ?>
				<input class="tiny-text" type="number" min="0" name="<?php echo esc_attr($this->get_field_name('outpost')); ?>" value="<?php echo esc_attr((string) ((int) ($instance['outpost'] ?? 0))); ?>">
			</label>
		</p>
		<p>
			<label><?php esc_html_e('排除关键词（逗号）', 'aksrt'); ?>
				<input class="widefat" type="text" name="<?php echo esc_attr($this->get_field_name('outer')); ?>" value="<?php echo esc_attr((string) ($instance['outer'] ?? '')); ?>">
			</label>
		</p>
		<?php
	}

	public function update($new_instance, $old_instance): array {
		return [
			'title'       => sanitize_text_field((string) ($new_instance['title'] ?? '')),
			'count'       => max(1, min(20, (int) ($new_instance['count'] ?? 5))),
			'show_avatar' => !empty($new_instance['show_avatar']) ? 1 : 0,
			'outpost'     => max(0, (int) ($new_instance['outpost'] ?? 0)),
			'outer'       => sanitize_text_field((string) ($new_instance['outer'] ?? '')),
		];
	}
}