wordpress-theme-aksrt/inc/core-hooks.php

<?php
/**
 * Jio Theme Core Hooks
 *
 * Central registration for the theme's WordPress hooks.
 *
 * @package Jio
 * @version 3.2.0
 */

defined('ABSPATH') || exit;

// ============================================================
// 评论功能开关
// ============================================================

add_filter('comments_open', function ($open, $post_id) {
    if (class_exists('\Jio\Settings\Settings')) {
        $display = \Jio\Settings\Settings::get_comment_display_settings();
        if (!empty($display['close_comments'])) {
            return false;
        }
    }
    return $open;
}, 10, 2);

add_filter('comment_text', function ($comment_text, $comment = null, $args = []) {
    if (function_exists('jio_render_comment_content')) {
        return jio_render_comment_content((string) $comment_text);
    }
    return $comment_text;
}, 20, 3);

// ============================================================
// 文章预置参数：新建文章按区间随机填入浏览/点赞（参考主题 post_default_mate）
// ============================================================

add_action('save_post', static function ($post_id, $post = null): void {
    $post_id = (int) $post_id;
    if ($post_id <= 0 || wp_is_post_revision($post_id) || wp_is_post_autosave($post_id)) {
        return;
    }
    if (!($post instanceof \WP_Post) || $post->post_type !== 'post') {
        return;
    }
    if (!class_exists('\Jio\Settings\Settings')) {
        return;
    }
    $page = \Jio\Settings\Settings::get_post_page_settings();
    $views_min = max(0, (int) ($page['default_views_min'] ?? 20));
    $views_max = max($views_min, (int) ($page['default_views_max'] ?? 50));
    $likes_min = max(0, (int) ($page['default_likes_min'] ?? 5));
    $likes_max = max($likes_min, (int) ($page['default_likes_max'] ?? 15));

    if ('' === (string) get_post_meta($post_id, \Jio\Core\DomainModel::POST_VIEW_COUNT_KEY, true)) {
        update_post_meta($post_id, \Jio\Core\DomainModel::POST_VIEW_COUNT_KEY, wp_rand($views_min, $views_max));
    }
    if ('' === (string) get_post_meta($post_id, '_jio_like_count', true)) {
        update_post_meta($post_id, '_jio_like_count', wp_rand($likes_min, $likes_max));
    }
}, 10, 2);

// ============================================================

// 前端隐藏 WordPress Admin Bar：由 SystemTools 按「扩展&增强 → 系统工具」
// 的 hide_admin_bar 设置门控（默认开启），不再无条件注入。
// ============================================================

// ============================================================
// SMTP 邮件配置注入
// ============================================================

add_filter('wp_mail_from', function ($from) {
    if (!class_exists('\Jio\Settings\Settings')) return $from;
    $mail = \Jio\Settings\Settings::get_smtp();
    if (empty($mail['enabled'])) return $from;
    $configured = sanitize_email((string) ($mail['from_address'] ?? ''));
    return $configured !== '' ? $configured : $from;
});

add_filter('wp_mail_from_name', function ($from_name) {
    if (!class_exists('\Jio\Settings\Settings')) return $from_name;
    $mail = \Jio\Settings\Settings::get_smtp();
    if (empty($mail['enabled'])) return $from_name;
    $configured = trim((string) ($mail['from_name'] ?? ''));
    return $configured !== '' ? $configured : $from_name;
});

add_action('phpmailer_init', function ($phpmailer) {
    $mail = class_exists('\\Jio\\Settings\\Settings')
        ? \Jio\Settings\Settings::get_smtp()
        : [];
    if (empty($mail['enabled']) || empty($mail['host'])) return;

    $phpmailer->isSMTP();
    $phpmailer->Host       = $mail['host'];
    $phpmailer->Port       = (int) ($mail['port'] ?? 465);
    $phpmailer->SMTPAuth   = !empty($mail['auth']) && !empty($mail['username']);
    $phpmailer->Username   = (string) ($mail['username'] ?? '');
    $phpmailer->Password   = (string) ($mail['password'] ?? '');
    $phpmailer->SMTPSecure = (string) ($mail['encryption'] ?? 'ssl');
    $phpmailer->Timeout    = 10;
    $phpmailer->Timelimit  = 15;
});

// mail_title_prefix is applied by the canonical renderer and by third-party wp_mail callers.
add_filter('wp_mail', function ($atts) {
    if (!class_exists('\Jio\Settings\Settings') || empty($atts['subject'])) return $atts;
    $branding = \Jio\Settings\Settings::get_mail_branding();
    $subject = (string) $atts['subject'];
    $site = wp_specialchars_decode(get_option('blogname'), ENT_QUOTES);
    $subject = preg_replace('/^\[' . preg_quote($site, '/') . '\]\s*/u', '', $subject);
    if ($branding['title_prefix'] !== '' && strpos($subject, $branding['title_prefix']) !== 0) {
        $atts['subject'] = $branding['title_prefix'] . ' ' . $subject;
    } else {
        $atts['subject'] = $subject;
    }
    return $atts;
});

// ============================================================
// 分类 Term Meta 字段（封面图 + 推荐描述）
// ============================================================

/**
 * 编辑分类页面 - 显示自定义字段
 */
function jio_category_meta_fields($term) {
    $cover_id = (int) get_term_meta($term->term_id, 'jio_category_cover_id', true);
    $cover_url = $cover_id > 0 ? wp_get_attachment_url($cover_id) : '';
    $recommend_desc = (string) get_term_meta($term->term_id, 'jio_category_recommend_desc', true);
    ?>
    <tr class="form-field">
        <th scope="row"><label for="jio_category_cover_id"><?php esc_html_e('分类封面图', 'jio'); ?></label></th>
        <td>
            <div id="jio-cover-preview" style="margin-bottom:8px;">
                <?php if ($cover_url) : ?>
                    <img src="<?php echo esc_url($cover_url); ?>" style="max-width:200px;height:auto;border-radius:6px;" alt="">
                <?php endif; ?>
            </div>
            <input type="hidden" id="jio_category_cover_id" name="jio_category_cover_id" value="<?php echo esc_attr((string) $cover_id); ?>">
            <button type="button" class="button" id="jio-pick-cover"><?php esc_html_e('选择图片', 'jio'); ?></button>
            <button type="button" class="button" id="jio-remove-cover" <?php echo $cover_id > 0 ? '' : 'style="display:none;"'; ?>><?php esc_html_e('移除', 'jio'); ?></button>
            <p class="description"><?php esc_html_e('分类推荐模块的封面图片。', 'jio'); ?></p>
        </td>
    </tr>
    <tr class="form-field">
        <th scope="row"><label for="jio_category_recommend_desc"><?php esc_html_e('推荐描述', 'jio'); ?></label></th>
        <td>
            <textarea id="jio_category_recommend_desc" name="jio_category_recommend_desc" rows="3" class="large-text"><?php echo esc_textarea($recommend_desc); ?></textarea>
            <p class="description"><?php esc_html_e('分类推荐模块中显示的描述文字。留空则使用分类默认描述。', 'jio'); ?></p>
        </td>
    </tr>
    <?php
}

/**
 * 新增分类页面 - 显示自定义字段
 */
function jio_category_meta_fields_add() {
    ?>
    <div class="form-field">
        <label for="jio_category_cover_id"><?php esc_html_e('分类封面图', 'jio'); ?></label>
        <div id="jio-cover-preview" style="margin-bottom:8px;"></div>
        <input type="hidden" id="jio_category_cover_id" name="jio_category_cover_id" value="">
        <button type="button" class="button" id="jio-pick-cover"><?php esc_html_e('选择图片', 'jio'); ?></button>
        <button type="button" class="button" id="jio-remove-cover" style="display:none;"><?php esc_html_e('移除', 'jio'); ?></button>
        <p class="description"><?php esc_html_e('分类推荐模块的封面图片。', 'jio'); ?></p>
    </div>
    <div class="form-field">
        <label for="jio_category_recommend_desc"><?php esc_html_e('推荐描述', 'jio'); ?></label>
        <textarea id="jio_category_recommend_desc" name="jio_category_recommend_desc" rows="3"></textarea>
        <p class="description"><?php esc_html_e('分类推荐模块中显示的描述文字。留空则使用分类默认描述。', 'jio'); ?></p>
    </div>
    <?php
}

add_action('category_edit_form_fields', 'jio_category_meta_fields', 10, 1);
add_action('category_add_form_fields', 'jio_category_meta_fields_add', 10, 1);

/**
 * 保存分类 term meta
 */
function jio_save_category_meta(int $term_id) {
    if (!current_user_can('manage_categories')) return;

    $cover_id = isset($_POST['jio_category_cover_id']) ? absint($_POST['jio_category_cover_id']) : 0;
    $recommend_desc = isset($_POST['jio_category_recommend_desc']) ? sanitize_textarea_field(wp_unslash($_POST['jio_category_recommend_desc'])) : '';

    if ($cover_id > 0) {
        update_term_meta($term_id, 'jio_category_cover_id', $cover_id);
    } else {
        delete_term_meta($term_id, 'jio_category_cover_id');
    }

    if ($recommend_desc !== '') {
        update_term_meta($term_id, 'jio_category_recommend_desc', $recommend_desc);
    } else {
        delete_term_meta($term_id, 'jio_category_recommend_desc');
    }

    if (class_exists('\Jio\Settings\Settings')) {
        \Jio\Settings\Settings::flush_category_recommend_cache();
    }
}

add_action('edited_category', 'jio_save_category_meta', 10, 1);
add_action('created_category', 'jio_save_category_meta', 10, 1);

/**
 * 分类编辑页加载媒体库脚本（wp_enqueue_media 仅在 Jio 面板加载，此处补上）
 */
add_action('admin_enqueue_scripts', function (string $hook_suffix) {
    if ($hook_suffix === 'edit-tags.php' || $hook_suffix === 'term.php') {
        wp_enqueue_media();
    }
});

/**
 * 分类编辑页内联 JS - 媒体选择器
 */
function jio_category_meta_admin_js() {
    $screen = get_current_screen();
    if (!$screen || $screen->taxonomy !== 'category') return;
    ?>
    <script>
    jQuery(function($) {
        var frame;

        $(document).on('click', '#jio-pick-cover', function(e) {
            e.preventDefault();
            if (typeof wp === 'undefined' || !wp.media) return;
            if (frame) { frame.open(); return; }

            frame = wp.media({
                title: '<?php echo esc_js(__('选择分类封面图', 'jio')); ?>',
                button: { text: '<?php echo esc_js(__('使用此图片', 'jio')); ?>' },
                multiple: false
            });

            frame.on('select', function() {
                var attachment = frame.state().get('selection').first().toJSON();
                $('#jio_category_cover_id').val(attachment.id);
                $('#jio-cover-preview').html('<img src="' + attachment.url + '" style="max-width:200px;height:auto;border-radius:6px;" alt="">');
                $('#jio-remove-cover').show();
            });

            frame.open();
        });

        $(document).on('click', '#jio-remove-cover', function(e) {
            e.preventDefault();
            $('#jio_category_cover_id').val('');
            $('#jio-cover-preview').html('');
            $(this).hide();
        });
    });
    </script>
    <?php
}

add_action('admin_footer', 'jio_category_meta_admin_js');

// ============================================================
// 资源列表：/resources 虚拟归档（post + _jio_is_resource）
// ============================================================

add_action('init', function () {
    add_rewrite_rule('^resources/?$', 'index.php?jio_is_resource_archive=1', 'top');
    add_rewrite_rule('^resources/page/([0-9]+)/?$', 'index.php?jio_is_resource_archive=1&paged=$matches[1]', 'top');
    // 旧单篇路径 /resource/{slug} → 301 到 post 永久链接
    add_rewrite_rule('^resource/([^/]+)/?$', 'index.php?jio_legacy_resource=$matches[1]', 'top');
});

add_filter('query_vars', function ($vars) {
    $vars[] = 'jio_is_resource_archive';
    $vars[] = 'jio_legacy_resource';
    $vars[] = 'type';
    $vars[] = 'trem';
    return $vars;
});

add_action('template_redirect', function () {
    $slug = get_query_var('jio_legacy_resource');
    if (!$slug) {
        return;
    }
    $page = get_page_by_path((string) $slug, OBJECT, 'post');
    if ($page) {
        wp_redirect(get_permalink($page->ID), 301);
        exit;
    }
});

add_action('pre_get_posts', function ($query) {
    if (is_admin() || !$query->is_main_query()) {
        return;
    }

    if ((bool) $query->get('jio_is_resource_archive')) {
        $query->set('post_type', 'post');
        $query->set('post_status', 'publish');

        $orderby = isset($_GET['orderby']) ? sanitize_key((string) $_GET['orderby']) : 'date';
        if ($orderby === 'downloads') {
            $query->set('meta_key', \Jio\Core\DomainModel::RESOURCE_DOWNLOAD_COUNT_KEY);
            $query->set('orderby', 'meta_value_num');
            $query->set('order', 'DESC');
        } elseif ($orderby === 'views') {
            $query->set('meta_key', \Jio\Core\DomainModel::RESOURCE_VIEW_COUNT_KEY);
            $query->set('orderby', 'meta_value_num');
            $query->set('order', 'DESC');
        }

        $price_filter = isset($_GET['price']) ? sanitize_key((string) $_GET['price']) : '';
        $price_min    = isset($_GET['price_min']) && $_GET['price_min'] !== '' ? (float) $_GET['price_min'] : null;
        $price_max    = isset($_GET['price_max']) && $_GET['price_max'] !== '' ? (float) $_GET['price_max'] : null;

        $meta_query = [
            'relation' => 'AND',
            [
                'key'     => \Jio\Core\DomainModel::RESOURCE_MARKER_KEY,
                'value'   => '1',
                'compare' => '=',
            ],
        ];

        if ($price_filter === 'free') {
            $meta_query[] = [
                'relation' => 'OR',
                [
                    'key'     => \Jio\Core\DomainModel::PAY_PRICE_KEY,
                    'value'   => 0,
                    'compare' => '=',
                    'type'    => 'NUMERIC',
                ],
                [
                    'key'     => \Jio\Core\DomainModel::PAY_PRICE_KEY,
                    'compare' => 'NOT EXISTS',
                ],
            ];
        } elseif ($price_filter === 'paid') {
            $meta_query[] = [
                'key'     => \Jio\Core\DomainModel::PAY_PRICE_KEY,
                'value'   => 0,
                'compare' => '>',
                'type'    => 'NUMERIC',
            ];
        }

        if ($price_min !== null || $price_max !== null) {
            if ($price_min !== null && $price_max !== null) {
                $meta_query[] = [
                    'key'     => \Jio\Core\DomainModel::PAY_PRICE_KEY,
                    'value'   => [$price_min, $price_max],
                    'compare' => 'BETWEEN',
                    'type'    => 'NUMERIC',
                ];
            } elseif ($price_min !== null) {
                $meta_query[] = [
                    'key'     => \Jio\Core\DomainModel::PAY_PRICE_KEY,
                    'value'   => $price_min,
                    'compare' => '>=',
                    'type'    => 'NUMERIC',
                ];
            } else {
                $meta_query[] = [
                    'key'     => \Jio\Core\DomainModel::PAY_PRICE_KEY,
                    'value'   => $price_max,
                    'compare' => '<=',
                    'type'    => 'NUMERIC',
                ];
            }
        }

        $existing = $query->get('meta_query');
        if (!is_array($existing)) {
            $existing = [];
        }
        $query->set('meta_query', array_merge($existing, $meta_query));
        $query->set('cat', 0);
        $query->set('tag', '');
    }

    // 站内搜索：分类/标签名搜索（内容类型始终为 post）
    if ($query->is_search() && empty($query->get('post_type'))) {
        $search_type = sanitize_key((string) $query->get('type'));
        $trem = absint($query->get('trem'));
        if ($trem > 0) {
            $query->set('cat', $trem);
        }

        if (in_array($search_type, ['category', 'tag'], true)) {
            $taxonomy = $search_type === 'category' ? 'category' : 'post_tag';
            $term_ids = get_terms([
                'taxonomy'   => $taxonomy,
                'hide_empty' => false,
                'fields'     => 'ids',
                'number'     => 20,
                'search'     => (string) $query->get('s'),
            ]);

            $query->set('s', '');

            if (is_wp_error($term_ids) || empty($term_ids)) {
                $query->set('post__in', [0]);
            } else {
                $query->set('tax_query', [[
                    'taxonomy' => $taxonomy,
                    'field'    => 'term_id',
                    'terms'    => array_map('absint', $term_ids),
                ]]);
            }
        }
    }
});

add_filter('template_include', function ($template) {
    if (!get_query_var('jio_is_resource_archive')) {
        return $template;
    }
    $candidate = locate_template(['archive-resources.php']);
    return $candidate ?: $template;
});

add_filter('document_title_parts', function ($parts) {
    if (get_query_var('jio_is_resource_archive')) {
        $parts['title'] = __('资源', 'jio');
    }
    return $parts;
});

// EnlighterJS 代码高亮 — 白名单 data-enlighter-* 属性
// ============================================================

add_filter('wp_kses_allowed_html', function ($allowed, $context) {
    if ($context !== 'post') {
        return $allowed;
    }

    // Allow data-enlighter-* attributes on <pre> and <code>
    $enlighter_attrs = [
        'data-enlighter-language'   => true,
        'data-enlighter-theme'      => true,
        'data-enlighter-group'      => true,
        'data-enlighter-title'      => true,
        'data-enlighter-linenumbers' => true,
        'data-enlighter-highlight'  => true,
        'data-enlighter-lineoffset' => true,
    ];

    if (isset($allowed['pre'])) {
        $allowed['pre'] = array_merge($allowed['pre'], $enlighter_attrs);
    }
    if (isset($allowed['code'])) {
        $allowed['code'] = array_merge($allowed['code'], $enlighter_attrs);
    }

    return $allowed;
}, 10, 2);

// ============================================================
// Gutenberg 自定义块注册
// ============================================================

// Register category server-side so it exists before JS registerBlockType runs.
// Keep untyped + defensive: some plugins pass unexpected shapes; typed params can 500 the editor.
add_filter('block_categories_all', static function ($categories, $context = null) {
    if (!is_array($categories)) {
        return $categories;
    }

    foreach ($categories as $category) {
        $slug = '';
        if (is_array($category)) {
            $slug = (string) ($category['slug'] ?? '');
        } elseif (is_object($category) && isset($category->slug)) {
            $slug = (string) $category->slug;
        }
        if ($slug === 'jio-blocks') {
            return $categories;
        }
    }

    $categories[] = [
        'slug'  => 'jio-blocks',
        'title' => 'Jio',
        'icon'  => null,
    ];

    return $categories;
}, 10, 2);

add_action('enqueue_block_editor_assets', function () {
    $base_uri = get_template_directory_uri();

    $blocks_js = get_template_directory() . '/assets/js/gutenberg-blocks.js';
    if (file_exists($blocks_js)) {
        wp_enqueue_script(
            'jio-gutenberg-blocks',
            $base_uri . '/assets/js/gutenberg-blocks.js',
            // wp-media-utils: MediaUpload for carousel block
            ['wp-blocks', 'wp-element', 'wp-components', 'wp-block-editor', 'wp-hooks', 'wp-media-utils', 'wp-data'],
            (string) filemtime($blocks_js),
            true
        );
    }

    $blocks_css = get_template_directory() . '/assets/css/gutenberg-blocks.css';
    if (file_exists($blocks_css)) {
        wp_enqueue_style(
            'jio-gutenberg-blocks',
            $base_uri . '/assets/css/gutenberg-blocks.css',
            [],
            (string) filemtime($blocks_css)
        );
    }
});

// Front-end styles for Gutenberg blocks
add_action('enqueue_block_assets', function () {
    if (is_admin()) return; // Already loaded in editor

    $posts = [];
    $queried = get_queried_object();
    if ($queried instanceof \WP_Post) {
        $posts[$queried->ID] = $queried;
    }

    global $wp_query;
    if ($wp_query instanceof \WP_Query) {
        foreach ((array) $wp_query->posts as $post) {
            if ($post instanceof \WP_Post) {
                $posts[$post->ID] = $post;
            }
        }
    }

    $has_carousel = false;
    foreach ($posts as $post) {
        if (has_block('jio/carousel', $post)) {
            $has_carousel = true;
            break;
        }
    }
    if (!$has_carousel) return;

    $base_uri = get_template_directory_uri();
    $blocks_css = get_template_directory() . '/assets/css/gutenberg-blocks.css';
    if (file_exists($blocks_css)) {
        wp_enqueue_style(
            'jio-gutenberg-blocks-front',
            $base_uri . '/assets/css/gutenberg-blocks.css',
            [],
            (string) filemtime($blocks_css)
        );
    }
});

// ============================================================
// Gutenberg Carousel Block 渲染回调
// ============================================================
add_action('init', function () {
    if (!function_exists('register_block_type')) return;

    register_block_type('jio/carousel', [
        'render_callback' => function (array $attributes): string {
            $images = $attributes['images'] ?? [];
            if (empty($images)) return '';

            $autoplay = !empty($attributes['autoplay']) ? 'true' : 'false';
            $delay = absint($attributes['delay'] ?? 3000);
            $effect = sanitize_text_field($attributes['effect'] ?? 'slide');

            $slides = '';
            foreach ($images as $img) {
                if (empty($img['url'])) continue;
                $alt = esc_attr($img['alt'] ?? '');
                $url = esc_url($img['url']);
                $slides .= '<div class="swiper-slide"><img' . jio_get_lazy_attr('lazy_sider', (string) $url, '', jio_get_lazy_thumb('lg')) . ' alt="' . $alt . '"></div>';
            }

            if (empty($slides)) return '';

            return '<div class="jio-carousel-block swiper" data-autoplay="' . $autoplay . '" data-delay="' . $delay . '" data-effect="' . $effect . '">'
                . '<div class="swiper-wrapper">' . $slides . '</div>'
                . '<div class="swiper-pagination"></div>'
                . '<div class="swiper-button-prev"></div><div class="swiper-button-next"></div>'
                . '</div>';
        },
    ]);
});

// ============================================================
// 付费内容系统：the_content 过滤器
// ============================================================

/**
 * 未购买的图库/视频正文只保留公开预览；购买卡由 single 模板渲染。
 */
add_filter('the_content', 'jio_paid_content_filter', 20);