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

<?php
/**
 * Paid posts list (zibll zib_widget_ui_posts_pay lite).
 *
 * @package AKSRT
 */

namespace AKSRT\Widgets;

defined('ABSPATH') || exit;

class WidgetPaidPosts extends \WP_Widget {

	public function __construct() {
		parent::__construct(
			'aksrt_paid_posts',
			esc_html__('AKSRT 付费内容列表', 'aksrt'),
			[
				'description' => esc_html__('展示开启付费/积分可见的文章。', 'aksrt'),
				'classname'   => 'widget_aksrt_paid_posts',
			]
		);
	}

	public function widget($args, $instance): void {
		$count = max(1, min(20, (int) ($instance['count'] ?? 6)));
		$orderby = sanitize_key((string) ($instance['orderby'] ?? 'date'));

		$query = [
			'post_type'      => 'post',
			'post_status'    => 'publish',
			'posts_per_page' => $count,
			'order'          => 'DESC',
			'meta_query'     => [
				'relation' => 'OR',
				[
					'key'     => '_aksrt_pay_price',
					'value'   => 0,
					'compare' => '>',
					'type'    => 'NUMERIC',
				],
				[
					'key'     => '_aksrt_credits_cost',
					'value'   => 0,
					'compare' => '>',
					'type'    => 'NUMERIC',
				],
				[
					'key'     => '_aksrt_visibility',
					'value'   => ['pay', 'credits'],
					'compare' => 'IN',
				],
			],
		];
		if ($orderby === 'views') {
			$query['meta_key'] = '_aksrt_views';
			$query['orderby']  = 'meta_value_num';
		} elseif ($orderby === 'price') {
			$query['meta_key'] = '_aksrt_pay_price';
			$query['orderby']  = 'meta_value_num';
		} else {
			$query['orderby'] = 'date';
		}

		$q = new \WP_Query($query);
		if (!$q->have_posts()) {
			wp_reset_postdata();
			return;
		}

		echo $args['before_widget']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
		$title = apply_filters('widget_title', (string) ($instance['title'] ?? ''), $instance, $this->id_base);
		if ($title !== '') {
			echo $args['before_title'] . esc_html($title) . $args['after_title']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
		}

		echo '<ul class="aksrt-paid-posts">';
		while ($q->have_posts()) {
			$q->the_post();
			$price = (float) get_post_meta(get_the_ID(), '_aksrt_pay_price', true);
			$credits = (int) get_post_meta(get_the_ID(), '_aksrt_credits_cost', true);
			$thumb = get_the_post_thumbnail_url(get_the_ID(), 'thumbnail');
			echo '<li class="aksrt-paid-posts__item">';
			if ($thumb) {
				echo '<a class="aksrt-paid-posts__thumb" href="' . esc_url(get_permalink()) . '"><img src="' . esc_url($thumb) . '" alt="" loading="lazy" /></a>';
			}
			echo '<div class="aksrt-paid-posts__body">';
			echo '<a class="aksrt-paid-posts__title" href="' . esc_url(get_permalink()) . '">' . esc_html(get_the_title()) . '</a>';
			echo '<div class="aksrt-paid-posts__meta">';
			if ($price > 0) {
				echo '<span class="aksrt-paid-posts__price">¥' . esc_html(number_format($price, 2, '.', '')) . '</span>';
			} elseif ($credits > 0) {
				echo '<span class="aksrt-paid-posts__price">' . esc_html(sprintf(__('%d 积分', 'aksrt'), $credits)) . '</span>';
			} else {
				echo '<span class="aksrt-paid-posts__price">' . esc_html__('付费', 'aksrt') . '</span>';
			}
			echo '</div></div></li>';
		}
		echo '</ul>';
		wp_reset_postdata();

		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) ($instance['title'] ?? __('付费精选', 'aksrt'))); ?>">
			</label>
		</p>
		<p>
			<label><?php esc_html_e('数量', 'aksrt'); ?>
				<input class="tiny-text" type="number" min="1" max="20" name="<?php echo esc_attr($this->get_field_name('count')); ?>" value="<?php echo esc_attr((string) ((int) ($instance['count'] ?? 6))); ?>">
			</label>
		</p>
		<p>
			<label><?php esc_html_e('排序', 'aksrt'); ?>
				<select name="<?php echo esc_attr($this->get_field_name('orderby')); ?>">
					<option value="date" <?php selected(($instance['orderby'] ?? 'date'), 'date'); ?>><?php esc_html_e('时间', 'aksrt'); ?></option>
					<option value="views" <?php selected(($instance['orderby'] ?? ''), 'views'); ?>><?php esc_html_e('浏览', 'aksrt'); ?></option>
					<option value="price" <?php selected(($instance['orderby'] ?? ''), 'price'); ?>><?php esc_html_e('价格', 'aksrt'); ?></option>
				</select>
			</label>
		</p>
		<?php
	}

	public function update($new_instance, $old_instance): array {
		$orderby = sanitize_key((string) ($new_instance['orderby'] ?? 'date'));
		if (!in_array($orderby, ['date', 'views', 'price'], true)) {
			$orderby = 'date';
		}
		return [
			'title'   => sanitize_text_field((string) ($new_instance['title'] ?? '')),
			'count'   => max(1, min(20, (int) ($new_instance['count'] ?? 6))),
			'orderby' => $orderby,
		];
	}
}