wordpress-theme-aksrt/src/AKSRT/Core/WidgetAjax.php

<?php
/**
 * Public widget list REST endpoints (posts / tab-posts).
 *
 * @package AKSRT
 */

namespace AKSRT\Core;

defined('ABSPATH') || exit;

class WidgetAjax {
	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 {
		add_action('rest_api_init', [$this, 'register_routes']);
	}

	public function register_routes(): void {
		register_rest_route('aksrt/v1', '/widgets/posts', [
			'methods'             => 'GET',
			'callback'            => [$this, 'rest_main_posts'],
			'permission_callback' => '__return_true',
		]);
		register_rest_route('aksrt/v1', '/widgets/tab-posts', [
			'methods'             => 'GET',
			'callback'            => [$this, 'rest_tab_posts'],
			'permission_callback' => '__return_true',
		]);
		register_rest_route('aksrt/v1', '/widgets/paid-posts', [
			'methods'             => 'GET',
			'callback'            => [$this, 'rest_paid_posts'],
			'permission_callback' => '__return_true',
		]);
	}

	public function rest_main_posts(\WP_REST_Request $request) {
		if (!class_exists('\AKSRT\Widgets\WidgetMainPosts')) {
			return new \WP_REST_Response(['success' => false, 'message' => 'unavailable'], 500);
		}
		$instance = [
			'count'       => max(1, min(30, (int) ($request->get_param('count') ?? 6))),
			'orderby'     => sanitize_key((string) ($request->get_param('orderby') ?? 'date')),
			'cat'         => max(0, (int) ($request->get_param('cat') ?? 0)),
			'limit_day'   => max(0, (int) ($request->get_param('limit_day') ?? 0)),
			'style'       => sanitize_key((string) ($request->get_param('style') ?? 'list')),
			'show_thumb'  => $request->get_param('show_thumb') === null ? 1 : (int) $request->get_param('show_thumb'),
			'show_meta'   => $request->get_param('show_meta') === null ? 1 : (int) $request->get_param('show_meta'),
			'show_number' => (int) ($request->get_param('show_number') ?? 0),
			'paginate'    => sanitize_key((string) ($request->get_param('paginate') ?? 'ajax')),
		];
		$page = max(1, (int) ($request->get_param('page') ?? $request->get_param('paged') ?? 1));
		$payload = \AKSRT\Widgets\WidgetMainPosts::query_payload($instance, $page);
		return new \WP_REST_Response([
			'success'       => true,
			'html'          => (string) ($payload['html'] ?? ''),
			'paginate_html' => (string) ($payload['paginate_html'] ?? ''),
			'has_more'      => !empty($payload['has_more']),
			'page'          => (int) ($payload['page'] ?? $page),
			'max_pages'     => (int) ($payload['max_pages'] ?? 1),
			'total'         => (int) ($payload['total'] ?? 0),
		], 200);
	}

	public function rest_tab_posts(\WP_REST_Request $request) {
		if (!class_exists('\AKSRT\Widgets\TabPostsWidget')) {
			return new \WP_REST_Response(['success' => false, 'message' => 'unavailable'], 500);
		}
		$default_count = max(1, min(20, (int) ($request->get_param('count') ?? 5)));
		$tab = [
			'title'       => '',
			'category_id' => max(0, (int) ($request->get_param('cat') ?? $request->get_param('category_id') ?? 0)),
			'orderby'     => sanitize_key((string) ($request->get_param('orderby') ?? 'date')),
			'count'       => max(0, min(20, (int) ($request->get_param('tab_count') ?? 0))),
			'enabled'     => true,
		];
		$html = \AKSRT\Widgets\TabPostsWidget::render_tab_html($tab, $default_count);
		if ($html === '') {
			$html = function_exists('aksrt_get_ajax_null')
				? aksrt_get_ajax_null(__('暂无文章', 'aksrt'))
				: '<p class="widget-empty ajax-item">' . esc_html__('暂无文章', 'aksrt') . '</p>';
		} else {
			$html = '<div class="widget-tab-posts__list widget-tab-posts__list--mini aksrt-main-posts style-mini">' . $html . '</div>';
		}
		return new \WP_REST_Response([
			'success' => true,
			'html'    => $html,
		], 200);
	}

	public function rest_paid_posts(\WP_REST_Request $request) {
		if (!class_exists('\AKSRT\Widgets\WidgetPaidPosts')) {
			return new \WP_REST_Response(['success' => false, 'message' => 'unavailable'], 500);
		}
		$instance = [
			'count'    => max(1, min(20, (int) ($request->get_param('count') ?? 6))),
			'orderby'  => sanitize_key((string) ($request->get_param('orderby') ?? 'date')),
			'paginate' => sanitize_key((string) ($request->get_param('paginate') ?? 'ajax')),
		];
		$page = max(1, (int) ($request->get_param('page') ?? $request->get_param('paged') ?? 1));
		$payload = \AKSRT\Widgets\WidgetPaidPosts::query_payload($instance, $page);
		return new \WP_REST_Response([
			'success'       => true,
			'html'          => (string) ($payload['html'] ?? ''),
			'paginate_html' => (string) ($payload['paginate_html'] ?? ''),
			'has_more'      => !empty($payload['has_more']),
			'page'          => (int) ($payload['page'] ?? $page),
			'max_pages'     => (int) ($payload['max_pages'] ?? 1),
			'total'         => (int) ($payload['total'] ?? 0),
		], 200);
	}
}