ITStudioMainSite/plugins/itstudio-services/includes/admin.php

<?php
/**
 * 便民服务后台：双语与链接 meta box、服务分类的双语字段、以及列表页自定义列。
 * 抽离自主题 functions.php。
 */

if (!defined('ABSPATH')) {
    exit;
}

function itstudio_add_service_meta_boxes() {
    add_meta_box(
        'itstudio_service_link',
        __('服务双语与链接', 'itstudio'),
        'itstudio_render_service_link_meta_box',
        'service',
        'normal',
        'high'
    );
}
add_action('add_meta_boxes', 'itstudio_add_service_meta_boxes');

function itstudio_render_service_link_meta_box($post) {
    $service_url = (string) get_post_meta($post->ID, itstudio_get_service_url_meta_key(), true);
    $title_cn = (string) get_post_meta($post->ID, itstudio_get_service_title_cn_meta_key(), true);
    $title_en = (string) get_post_meta($post->ID, itstudio_get_service_title_en_meta_key(), true);
    $excerpt_cn = (string) get_post_meta($post->ID, itstudio_get_service_excerpt_cn_meta_key(), true);
    $excerpt_en = (string) get_post_meta($post->ID, itstudio_get_service_excerpt_en_meta_key(), true);
    $is_campus_only = itstudio_is_service_campus_only($post->ID);
    wp_nonce_field('itstudio_save_service_meta', 'itstudio_service_meta_nonce');
    ?>
    <p>
        <label for="itstudio_service_title_cn"><strong><?php esc_html_e('中文名称', 'itstudio'); ?></strong></label>
    </p>
    <p>
        <input
            type="text"
            id="itstudio_service_title_cn"
            name="itstudio_service_title_cn"
            class="widefat"
            placeholder="<?php echo esc_attr((string) get_the_title($post)); ?>"
            value="<?php echo esc_attr($title_cn); ?>"
        >
    </p>
    <p>
        <label for="itstudio_service_title_en"><strong><?php esc_html_e('英文名称', 'itstudio'); ?></strong></label>
    </p>
    <p>
        <input
            type="text"
            id="itstudio_service_title_en"
            name="itstudio_service_title_en"
            class="widefat"
            placeholder="Service Name"
            value="<?php echo esc_attr($title_en); ?>"
        >
    </p>
    <p>
        <label for="itstudio_service_excerpt_cn"><strong><?php esc_html_e('中文简介', 'itstudio'); ?></strong></label>
    </p>
    <p>
        <textarea
            id="itstudio_service_excerpt_cn"
            name="itstudio_service_excerpt_cn"
            class="widefat"
            rows="3"
            placeholder="<?php echo esc_attr((string) get_the_excerpt($post)); ?>"
        ><?php echo esc_textarea($excerpt_cn); ?></textarea>
    </p>
    <p>
        <label for="itstudio_service_excerpt_en"><strong><?php esc_html_e('英文简介', 'itstudio'); ?></strong></label>
    </p>
    <p>
        <textarea
            id="itstudio_service_excerpt_en"
            name="itstudio_service_excerpt_en"
            class="widefat"
            rows="3"
            placeholder="Short English description"
        ><?php echo esc_textarea($excerpt_en); ?></textarea>
    </p>
    <p>
        <label for="itstudio_service_url"><strong><?php esc_html_e('目标链接', 'itstudio'); ?></strong></label>
    </p>
    <p>
        <input
            type="url"
            id="itstudio_service_url"
            name="itstudio_service_url"
            class="widefat"
            placeholder="https://example.com"
            value="<?php echo esc_attr($service_url); ?>"
        >
    </p>
    <p class="description">
        <?php esc_html_e('支持分别填写中英文名称与简介；未填写时会回退到标题/摘要。', 'itstudio'); ?>
    </p>
    <p>
        <label for="itstudio_service_campus_only">
            <input
                type="checkbox"
                id="itstudio_service_campus_only"
                name="itstudio_service_campus_only"
                value="1"
                <?php checked($is_campus_only); ?>
            >
            <?php esc_html_e('是否为校内服务（勾选后前台显示“仅校内访问”）', 'itstudio'); ?>
        </label>
    </p>
    <?php
}

function itstudio_save_service_meta($post_id) {
    if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE) {
        return;
    }

    if (!isset($_POST['itstudio_service_meta_nonce']) || !wp_verify_nonce(sanitize_text_field(wp_unslash($_POST['itstudio_service_meta_nonce'])), 'itstudio_save_service_meta')) {
        return;
    }

    if (!current_user_can('edit_post', $post_id)) {
        return;
    }

    if (get_post_type($post_id) !== 'service') {
        return;
    }

    $title_cn = isset($_POST['itstudio_service_title_cn']) ? sanitize_text_field(wp_unslash($_POST['itstudio_service_title_cn'])) : '';
    $title_en = isset($_POST['itstudio_service_title_en']) ? sanitize_text_field(wp_unslash($_POST['itstudio_service_title_en'])) : '';
    $excerpt_cn = isset($_POST['itstudio_service_excerpt_cn']) ? sanitize_textarea_field(wp_unslash($_POST['itstudio_service_excerpt_cn'])) : '';
    $excerpt_en = isset($_POST['itstudio_service_excerpt_en']) ? sanitize_textarea_field(wp_unslash($_POST['itstudio_service_excerpt_en'])) : '';

    $meta_updates = array(
        itstudio_get_service_title_cn_meta_key() => trim($title_cn),
        itstudio_get_service_title_en_meta_key() => trim($title_en),
        itstudio_get_service_excerpt_cn_meta_key() => trim($excerpt_cn),
        itstudio_get_service_excerpt_en_meta_key() => trim($excerpt_en),
    );

    foreach ($meta_updates as $meta_key => $value) {
        if ($value === '') {
            delete_post_meta($post_id, $meta_key);
        } else {
            update_post_meta($post_id, $meta_key, $value);
        }
    }

    $campus_only_meta_key = itstudio_get_service_campus_only_meta_key();
    $is_campus_only = isset($_POST['itstudio_service_campus_only']) && (string) wp_unslash($_POST['itstudio_service_campus_only']) === '1';
    if ($is_campus_only) {
        update_post_meta($post_id, $campus_only_meta_key, '1');
    } else {
        delete_post_meta($post_id, $campus_only_meta_key);
    }

    $url_meta_key = itstudio_get_service_url_meta_key();
    $raw_url = isset($_POST['itstudio_service_url']) ? trim((string) wp_unslash($_POST['itstudio_service_url'])) : '';

    if ($raw_url === '') {
        delete_post_meta($post_id, $url_meta_key);
        return;
    }

    if (strpos($raw_url, '/') === 0) {
        $raw_url = home_url($raw_url);
    }

    $service_url = esc_url_raw($raw_url);
    if ($service_url === '') {
        delete_post_meta($post_id, $url_meta_key);
        return;
    }

    update_post_meta($post_id, $url_meta_key, $service_url);
}
add_action('save_post_service', 'itstudio_save_service_meta');

function itstudio_service_category_add_fields($taxonomy) {
    wp_nonce_field('itstudio_save_service_category_meta', 'itstudio_service_category_meta_nonce');
    ?>
    <div class="form-field term-itstudio-service-name-cn-wrap">
        <label for="itstudio_service_cat_name_cn"><?php esc_html_e('中文名称', 'itstudio'); ?></label>
        <input type="text" name="itstudio_service_cat_name_cn" id="itstudio_service_cat_name_cn" value="">
    </div>
    <div class="form-field term-itstudio-service-name-en-wrap">
        <label for="itstudio_service_cat_name_en"><?php esc_html_e('英文名称', 'itstudio'); ?></label>
        <input type="text" name="itstudio_service_cat_name_en" id="itstudio_service_cat_name_en" value="" placeholder="Category Name">
    </div>
    <?php
}
add_action('service_category_add_form_fields', 'itstudio_service_category_add_fields');

function itstudio_service_category_edit_fields($term) {
    $term_id = (int) $term->term_id;
    $name_cn = (string) get_term_meta($term_id, itstudio_get_service_category_name_cn_meta_key(), true);
    $name_en = (string) get_term_meta($term_id, itstudio_get_service_category_name_en_meta_key(), true);
    wp_nonce_field('itstudio_save_service_category_meta', 'itstudio_service_category_meta_nonce');
    ?>
    <tr class="form-field term-itstudio-service-name-cn-wrap">
        <th scope="row"><label for="itstudio_service_cat_name_cn"><?php esc_html_e('中文名称', 'itstudio'); ?></label></th>
        <td><input type="text" name="itstudio_service_cat_name_cn" id="itstudio_service_cat_name_cn" value="<?php echo esc_attr($name_cn); ?>"></td>
    </tr>
    <tr class="form-field term-itstudio-service-name-en-wrap">
        <th scope="row"><label for="itstudio_service_cat_name_en"><?php esc_html_e('英文名称', 'itstudio'); ?></label></th>
        <td><input type="text" name="itstudio_service_cat_name_en" id="itstudio_service_cat_name_en" value="<?php echo esc_attr($name_en); ?>" placeholder="Category Name"></td>
    </tr>
    <?php
}
add_action('service_category_edit_form_fields', 'itstudio_service_category_edit_fields');

function itstudio_save_service_category_meta($term_id) {
    if (!current_user_can('manage_categories')) {
        return;
    }

    if (!isset($_POST['itstudio_service_category_meta_nonce']) || !wp_verify_nonce(sanitize_text_field(wp_unslash($_POST['itstudio_service_category_meta_nonce'])), 'itstudio_save_service_category_meta')) {
        return;
    }

    $name_cn = isset($_POST['itstudio_service_cat_name_cn']) ? sanitize_text_field(wp_unslash($_POST['itstudio_service_cat_name_cn'])) : '';
    $name_en = isset($_POST['itstudio_service_cat_name_en']) ? sanitize_text_field(wp_unslash($_POST['itstudio_service_cat_name_en'])) : '';

    $term_meta = array(
        itstudio_get_service_category_name_cn_meta_key() => trim($name_cn),
        itstudio_get_service_category_name_en_meta_key() => trim($name_en),
    );

    foreach ($term_meta as $meta_key => $value) {
        if ($value === '') {
            delete_term_meta($term_id, $meta_key);
        } else {
            update_term_meta($term_id, $meta_key, $value);
        }
    }
}
add_action('created_service_category', 'itstudio_save_service_category_meta');
add_action('edited_service_category', 'itstudio_save_service_category_meta');

function itstudio_service_admin_columns($columns) {
    $columns['service_category'] = __('分类', 'itstudio');
    $columns['service_url'] = __('跳转链接', 'itstudio');
    return $columns;
}
add_filter('manage_service_posts_columns', 'itstudio_service_admin_columns');

function itstudio_service_admin_custom_column($column, $post_id) {
    if ($column === 'service_category') {
        $terms = get_the_terms($post_id, 'service_category');
        if (empty($terms) || is_wp_error($terms)) {
            echo '<span style="color:#888;">' . esc_html__('未分类', 'itstudio') . '</span>';
            return;
        }

        $labels = array();
        foreach ($terms as $term) {
            $i18n = itstudio_get_service_category_i18n_labels($term);
            $label = $i18n['cn'];
            if ($i18n['en'] !== $i18n['cn']) {
                $label .= ' / ' . $i18n['en'];
            }
            $labels[] = $label;
        }

        echo esc_html(implode(' | ', $labels));
        return;
    }

    if ($column === 'service_url') {
        $url = itstudio_get_service_target_url($post_id);
        if ($url === '') {
            echo '<span style="color:#888;">-</span>';
            return;
        }

        echo '<a href="' . esc_url($url) . '" target="_blank" rel="noopener noreferrer">' . esc_html($url) . '</a>';
    }
}
add_action('manage_service_posts_custom_column', 'itstudio_service_admin_custom_column', 10, 2);