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WordPress文创产品柔性订阅制服务插件开发教程

WordPress文创产品柔性订阅制服务插件开发教程

一、项目概述与需求分析

在文创产品领域，柔性订阅制服务正成为新的商业模式。与传统的固定周期订阅不同，柔性订阅允许用户根据自身需求灵活调整订阅频率、产品和时长。本教程将指导您开发一个完整的WordPress文创产品柔性订阅制服务插件。

核心功能需求：

多层级订阅计划管理
灵活的订阅周期设置
用户自主调整订阅内容
自动化支付与续费处理
订阅状态监控与管理

二、插件基础结构搭建

首先，我们创建插件的基本文件结构：

<?php
/**
 * Plugin Name: 文创柔性订阅制服务
 * Plugin URI: https://yourwebsite.com/
 * Description: 为文创产品提供柔性订阅制服务解决方案
 * Version: 1.0.0
 * Author: 您的名称
 * License: GPL v2 or later
 * Text Domain: cultural-subscription
 */

// 防止直接访问
if (!defined('ABSPATH')) {
    exit;
}

// 定义插件常量
define('CULTURAL_SUBSCRIPTION_VERSION', '1.0.0');
define('CULTURAL_SUBSCRIPTION_PLUGIN_DIR', plugin_dir_path(__FILE__));
define('CULTURAL_SUBSCRIPTION_PLUGIN_URL', plugin_dir_url(__FILE__));

// 初始化插件
class CulturalSubscription {
    
    private static $instance = null;
    
    public static function get_instance() {
        if (null === self::$instance) {
            self::$instance = new self();
        }
        return self::$instance;
    }
    
    private function __construct() {
        $this->init_hooks();
    }
    
    private function init_hooks() {
        // 激活/停用钩子
        register_activation_hook(__FILE__, array($this, 'activate'));
        register_deactivation_hook(__FILE__, array($this, 'deactivate'));
        
        // 初始化
        add_action('init', array($this, 'init'));
        
        // 管理菜单
        add_action('admin_menu', array($this, 'add_admin_menu'));
        
        // 加载文本域
        add_action('plugins_loaded', array($this, 'load_textdomain'));
    }
    
    public function activate() {
        // 创建必要的数据库表
        $this->create_tables();
        
        // 设置默认选项
        $this->set_default_options();
        
        // 刷新重写规则
        flush_rewrite_rules();
    }
    
    public function deactivate() {
        // 清理临时数据
        // 注意：不删除用户订阅数据
        flush_rewrite_rules();
    }
    
    public function load_textdomain() {
        load_plugin_textdomain(
            'cultural-subscription',
            false,
            dirname(plugin_basename(__FILE__)) . '/languages'
        );
    }
    
    public function init() {
        // 注册自定义文章类型和分类
        $this->register_post_types();
    }
    
    public function add_admin_menu() {
        // 添加管理菜单
        add_menu_page(
            __('文创订阅', 'cultural-subscription'),
            __('文创订阅', 'cultural-subscription'),
            'manage_options',
            'cultural-subscription',
            array($this, 'admin_dashboard'),
            'dashicons-products',
            30
        );
    }
    
    private function create_tables() {
        global $wpdb;
        
        $charset_collate = $wpdb->get_charset_collate();
        $table_name = $wpdb->prefix . 'cultural_subscriptions';
        
        $sql = "CREATE TABLE IF NOT EXISTS $table_name (
            id bigint(20) NOT NULL AUTO_INCREMENT,
            user_id bigint(20) NOT NULL,
            plan_id bigint(20) NOT NULL,
            product_ids text NOT NULL,
            subscription_type varchar(50) NOT NULL,
            frequency varchar(20) NOT NULL,
            next_delivery_date date NOT NULL,
            status varchar(20) DEFAULT 'active',
            created_at datetime DEFAULT CURRENT_TIMESTAMP,
            updated_at datetime DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
            PRIMARY KEY (id),
            KEY user_id (user_id),
            KEY status (status)
        ) $charset_collate;";
        
        require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
        dbDelta($sql);
    }
    
    private function set_default_options() {
        $default_options = array(
            'currency' => 'CNY',
            'min_subscription_period' => 1, // 月
            'max_subscription_period' => 12, // 月
            'grace_period' => 7, // 天
            'auto_renew' => true,
        );
        
        add_option('cultural_subscription_settings', $default_options);
    }
    
    private function register_post_types() {
        // 注册订阅计划类型
        register_post_type('subscription_plan',
            array(
                'labels' => array(
                    'name' => __('订阅计划', 'cultural-subscription'),
                    'singular_name' => __('订阅计划', 'cultural-subscription')
                ),
                'public' => true,
                'has_archive' => true,
                'supports' => array('title', 'editor', 'thumbnail'),
                'menu_icon' => 'dashicons-calendar-alt',
                'rewrite' => array('slug' => 'subscription-plans'),
            )
        );
    }
    
    public function admin_dashboard() {
        // 管理面板HTML
        ?>
        <div class="wrap">
            <h1><?php echo esc_html(get_admin_page_title()); ?></h1>
            <div class="cultural-subscription-dashboard">
                <div class="dashboard-stats">
                    <div class="stat-card">
                        <h3><?php _e('活跃订阅', 'cultural-subscription'); ?></h3>
                        <p class="stat-number">0</p>
                    </div>
                    <div class="stat-card">
                        <h3><?php _e('本月收入', 'cultural-subscription'); ?></h3>
                        <p class="stat-number">¥0</p>
                    </div>
                </div>
            </div>
        </div>
        <?php
    }
}

// 启动插件
CulturalSubscription::get_instance();
?>

三、订阅计划管理系统

创建订阅计划管理类，处理柔性订阅的核心逻辑：

<?php
/**
 * 订阅计划管理类
 */
class SubscriptionPlanManager {
    
    private $db;
    
    public function __construct() {
        global $wpdb;
        $this->db = $wpdb;
    }
    
    /**
     * 创建柔性订阅计划
     * @param array $plan_data 计划数据
     * @return int|false 计划ID或false
     */
    public function create_flexible_plan($plan_data) {
        $defaults = array(
            'title' => '',
            'description' => '',
            'base_price' => 0,
            'frequency_options' => array('monthly', 'quarterly', 'yearly'),
            'min_products' => 1,
            'max_products' => 5,
            'allow_customization' => true,
            'status' => 'draft'
        );
        
        $plan_data = wp_parse_args($plan_data, $defaults);
        
        // 验证数据
        if (empty($plan_data['title']) || $plan_data['base_price'] <= 0) {
            return false;
        }
        
        // 插入到自定义文章类型
        $post_id = wp_insert_post(array(
            'post_title' => sanitize_text_field($plan_data['title']),
            'post_content' => wp_kses_post($plan_data['description']),
            'post_type' => 'subscription_plan',
            'post_status' => $plan_data['status'],
            'meta_input' => array(
                '_base_price' => floatval($plan_data['base_price']),
                '_frequency_options' => $plan_data['frequency_options'],
                '_min_products' => intval($plan_data['min_products']),
                '_max_products' => intval($plan_data['max_products']),
                '_allow_customization' => (bool)$plan_data['allow_customization']
            )
        ));
        
        return $post_id;
    }
    
    /**
     * 计算订阅价格
     * @param int $plan_id 计划ID
     * @param array $options 用户选项
     * @return float 总价格
     */
    public function calculate_price($plan_id, $options) {
        $base_price = get_post_meta($plan_id, '_base_price', true);
        $frequency = $options['frequency'] ?? 'monthly';
        $product_count = count($options['products'] ?? array());
        
        // 频率折扣系数
        $frequency_multiplier = array(
            'monthly' => 1.0,
            'quarterly' => 0.95, // 5%折扣
            'yearly' => 0.85     // 15%折扣
        );
        
        // 产品数量系数（鼓励多选）
        $product_multiplier = 1.0;
        if ($product_count > 1) {
            $product_multiplier = 0.9 + (0.05 * $product_count); // 每多一个产品增加5%折扣
        }
        
        // 计算总价
        $total_price = $base_price * 
                      ($frequency_multiplier[$frequency] ?? 1.0) * 
                      $product_multiplier;
        
        return round($total_price, 2);
    }
    
    /**
     * 获取可用的订阅计划
     * @return array 计划列表
     */
    public function get_available_plans() {
        $args = array(
            'post_type' => 'subscription_plan',
            'post_status' => 'publish',
            'posts_per_page' => -1,
            'meta_query' => array(
                array(
                    'key' => '_base_price',
                    'value' => 0,
                    'compare' => '>',
                    'type' => 'NUMERIC'
                )
            )
        );
        
        $plans = get_posts($args);
        $formatted_plans = array();
        
        foreach ($plans as $plan) {
            $formatted_plans[] = array(
                'id' => $plan->ID,
                'title' => $plan->post_title,
                'description' => $plan->post_content,
                'base_price' => get_post_meta($plan->ID, '_base_price', true),
                'frequency_options' => get_post_meta($plan->ID, '_frequency_options', true),
                'features' => $this->extract_features($plan->post_content)
            );
        }
        
        return $formatted_plans;
    }
    
    /**
     * 从描述中提取特性
     * @param string $content 描述内容
     * @return array 特性列表
     */
    private function extract_features($content) {
        // 简单的特性提取逻辑
        $features = array();
        $lines = explode("n", strip_tags($content));
        
        foreach ($lines as $line) {
            $trimmed = trim($line);
            if (strlen($trimmed) > 3 && !empty($trimmed)) {
                $features[] = $trimmed;
            }
        }
        
        return array_slice($features, 0, 5); // 最多返回5个特性
    }
}
?>

四、用户订阅管理界面

创建前端用户界面，让用户可以管理自己的订阅：

<?php
/**
 * 用户订阅前端界面
 */
class SubscriptionFrontend {
    
    public function __construct() {
        add_shortcode('cultural_subscription_plans', array($this, 'render_subscription_plans'));
        add_shortcode('cultural_my_subscriptions', array($this, 'render_my_subscriptions'));
        add_action('wp_enqueue_scripts', array($this, 'enqueue_frontend_scripts'));
    }
    
    /**
     * 渲染订阅计划选择页面
     */
    public function render_subscription_plans() {
        if (!is_user_logged_in()) {
            return '<div class="subscription-login-required">' . 
                   __('请先登录以查看订阅计划', 'cultural-subscription') . 
                   '</div>';
        }
        
        $manager = new SubscriptionPlanManager();
        $plans = $manager->get_available_plans();
        
        ob_start();
        ?>
        <div class="cultural-subscription-plans">
            <h2><?php _e('选择您的文创订阅计划', 'cultural-subscription'); ?></h2>
            <div class="plans-container">
                <?php foreach ($plans as $plan): ?>
                <div class="subscription-plan-card">
                    <h3><?php echo esc_html($plan['title']); ?></h3>
                    <div class="plan-price">
                        <span class="base-price">¥<?php echo number_format($plan['base_price'], 2); ?></span>
                        <span class="period">/月</span>
                    </div>
                    
                    <div class="plan-features">
                        <ul>
                            <?php foreach ($plan['features'] as $feature): ?>
                            <li><?php echo esc_html($feature); ?></li>
                            <?php endforeach; ?>
                        </ul>
                    </div>
                    
                    <div class="frequency-options">
                        <h4><?php _e('选择频率:', 'cultural-subscription'); ?></h4>
                        <?php foreach ($plan['frequency_options'] as $freq): ?>
                        <label class="frequency-option">
                            <input type="radio" 
                                   name="frequency_<?php echo $plan['id']; ?>" 
                                   value="<?php echo esc_attr($freq); ?>"
                                   data-plan-id="<?php echo $plan['id']; ?>">
                            <?php echo $this->get_frequency_label($freq); ?>
                        </label>
                        <?php endforeach; ?>
                    </div>
                    
                    <button class="select-plan-btn" 
                            data-plan-id="<?php echo $plan['id']; ?>">
                        <?php _e('选择此计划', 'cultural-subscription'); ?>
                    </button>
                </div>
                <?php endforeach; ?>
            </div>
            
            <!-- 产品选择模态框 -->
            <div id="product-selection-modal" class="modal">
                <div class="modal-content">
                    <span class="close-modal">&times;</span>
                    <h3><?php _e('选择文创产品', 'cultural-subscription'); ?></h3>
                    <div id="product-selection-area"></div>
                    <button id="confirm-subscription" class="button-primary">
                        <?php _e('确认订阅', 'cultural-subscription'); ?>
                    </button>
                </div>
            </div>
        </div>
        <?php
        return ob_get_clean();
    }
    
    /**
     * 渲染用户当前订阅
     */
    public function render_my_subscriptions() {
        if (!is_user_logged_in()) {
            return '';
        }
        
        $user_id = get_current_user_id();
        $subscriptions = $this->get_user_subscriptions($user_id);
        
        ob_start();
        ?>
        <div class="my-subscriptions">
            <h2><?php _e('我的订阅', 'cultural-subscription'); ?></h2>
            
            <?php if (empty($subscriptions)): ?>
            <p><?php _e('您当前没有活跃的订阅。', 'cultural-subscription'); ?></p>
            <?php else: ?>
            <div class="subscriptions-list">
                <?php foreach ($subscriptions as $subscription): ?>
                <div class="subscription-item">
                    <div class="subscription-header">
                        <h3><?php echo get_the_title($subscription->plan_id); ?></h3>
                        <span class="status-badge <?php echo esc_attr($subscription->status); ?>">
                            <?php echo $this->get_status_label($subscription->status); ?>
                        </span>
                    </div>
                    
                    <div class="subscription-details">
                        <p><strong><?php _e('频率:', 'cultural-subscription'); ?></strong> 
                           <?php echo $this->get_frequency_label($subscription->frequency); ?>
                        </p>
                        <p><strong><?php _e('下次配送:', 'cultural-subscription'); ?></strong> 
                           <?php echo date_i18n(get_option('date_format'), strtotime($subscription->next_delivery_date)); ?>
                        </p>
                        
                        <div class="subscription-actions">
                            <button class="button modify-subscription" 
                                    data-subscription-id="<?php echo $subscription->id; ?>">
                                <?php _e('修改订阅', 'cultural-subscription'); ?>
                            </button>
                            <button class="button cancel-subscription" 
                                    data-subscription-id="<?php echo $subscription->id; ?>">
                                <?php _e('取消订阅', 'cultural-subscription'); ?>
                            </button>
                        </div>
                    </div>
                </div>
                <?php endforeach; ?>
            </div>
            <?php endif; ?>
        </div>
        <?php
        return ob_get_clean();
    }
    
    /**
     * 获取用户订阅
     */
    private function get_user_subscriptions($user_id) {
        global $wpdb;
        $table_name = $wpdb->prefix . 'cultural_subscriptions';
        
        return $wpdb->get_results($wpdb->prepare(
            "SELECT * FROM $table_name WHERE user_id = %d ORDER BY created_at DESC",
            $user_id
        ));
    }
    
    /**
     * 获取频率标签
     */
    private function get_frequency_label($frequency) {
        $labels = array(
            'monthly' => __('每月', 'cultural-subscription'),
            'quarterly' => __('每季度', 'cultural-subscription'),
            'yearly' => __('每年', 'cultural-subscription')
        );
        
        return $labels[$frequency] ?? $frequency;
    }
    
    /**
     * 获取状态标签
     */
    private function get_status_label($status) {
        $labels = array(
            'active' => __('活跃', 'cultural-subscription'),
            'paused' => __('已暂停', 'cultural-subscription'),
            'cancelled' => __('已取消', 'cultural-subscription'),
            'expired' => __('已过期', 'cultural-subscription')
        );

        return $labels[$status] ?? $status;
    }
    
    /**
     * 加载前端脚本和样式
     */
    public function enqueue_frontend_scripts() {
        wp_enqueue_style(
            'cultural-subscription-frontend',
            CULTURAL_SUBSCRIPTION_PLUGIN_URL . 'assets/css/frontend.css',
            array(),
            CULTURAL_SUBSCRIPTION_VERSION
        );
        
        wp_enqueue_script(
            'cultural-subscription-frontend',
            CULTURAL_SUBSCRIPTION_PLUGIN_URL . 'assets/js/frontend.js',
            array('jquery'),
            CULTURAL_SUBSCRIPTION_VERSION,
            true
        );
        
        wp_localize_script('cultural-subscription-frontend', 'culturalSubscription', array(
            'ajax_url' => admin_url('admin-ajax.php'),
            'nonce' => wp_create_nonce('cultural_subscription_nonce'),
            'i18n' => array(
                'confirm_cancel' => __('确定要取消订阅吗？', 'cultural-subscription'),
                'loading' => __('加载中...', 'cultural-subscription'),
                'error' => __('发生错误，请重试', 'cultural-subscription')
            )
        ));
    }
}

// 初始化前端
new SubscriptionFrontend();
?>


## 五、AJAX处理与支付集成

创建AJAX处理器和支付集成模块：

<?php
/**

AJAX处理器
*/

class SubscriptionAjaxHandler {


public function __construct() {
    // 订阅相关AJAX
    add_action('wp_ajax_create_subscription', array($this, 'handle_create_subscription'));
    add_action('wp_ajax_nopriv_create_subscription', array($this, 'handle_no_privilege'));
    
    add_action('wp_ajax_modify_subscription', array($this, 'handle_modify_subscription'));
    add_action('wp_ajax_cancel_subscription', array($this, 'handle_cancel_subscription'));
    
    // 产品选择
    add_action('wp_ajax_get_products_for_plan', array($this, 'handle_get_products'));
}

/**
 * 创建订阅
 */
public function handle_create_subscription() {
    // 验证nonce
    if (!wp_verify_nonce($_POST['nonce'], 'cultural_subscription_nonce')) {
        wp_die('非法请求');
    }
    
    // 验证用户
    if (!is_user_logged_in()) {
        wp_send_json_error(array('message' => '请先登录'));
    }
    
    $user_id = get_current_user_id();
    $plan_id = intval($_POST['plan_id']);
    $frequency = sanitize_text_field($_POST['frequency']);
    $product_ids = array_map('intval', $_POST['product_ids'] ?? array());
    
    // 验证数据
    if (!$plan_id || empty($product_ids)) {
        wp_send_json_error(array('message' => '请选择产品和计划'));
    }
    
    // 检查计划是否存在
    $plan = get_post($plan_id);
    if (!$plan || $plan->post_type !== 'subscription_plan') {
        wp_send_json_error(array('message' => '订阅计划不存在'));
    }
    
    // 创建订阅记录
    $subscription_id = $this->create_subscription_record(array(
        'user_id' => $user_id,
        'plan_id' => $plan_id,
        'product_ids' => $product_ids,
        'frequency' => $frequency,
        'status' => 'pending_payment'
    ));
    
    if (!$subscription_id) {
        wp_send_json_error(array('message' => '创建订阅失败'));
    }
    
    // 生成支付
    $payment_data = $this->create_payment($subscription_id);
    
    wp_send_json_success(array(
        'message' => '订阅创建成功',
        'subscription_id' => $subscription_id,
        'payment_data' => $payment_data
    ));
}

/**
 * 创建订阅记录
 */
private function create_subscription_record($data) {
    global $wpdb;
    $table_name = $wpdb->prefix . 'cultural_subscriptions';
    
    // 计算下次配送日期
    $next_delivery = $this->calculate_next_delivery($data['frequency']);
    
    $result = $wpdb->insert($table_name, array(
        'user_id' => $data['user_id'],
        'plan_id' => $data['plan_id'],
        'product_ids' => json_encode($data['product_ids']),
        'subscription_type' => 'flexible',
        'frequency' => $data['frequency'],
        'next_delivery_date' => $next_delivery,
        'status' => $data['status']
    ));
    
    return $result ? $wpdb->insert_id : false;
}

/**
 * 计算下次配送日期
 */
private function calculate_next_delivery($frequency) {
    $today = current_time('Y-m-d');
    
    switch ($frequency) {
        case 'monthly':
            return date('Y-m-d', strtotime($today . ' +1 month'));
        case 'quarterly':
            return date('Y-m-d', strtotime($today . ' +3 months'));
        case 'yearly':
            return date('Y-m-d', strtotime($today . ' +1 year'));
        default:
            return date('Y-m-d', strtotime($today . ' +1 month'));
    }
}

/**
 * 创建支付
 */
private function create_payment($subscription_id) {
    // 这里集成支付网关
    // 示例：使用WooCommerce支付
    if (class_exists('WooCommerce')) {
        return $this->create_woocommerce_payment($subscription_id);
    }
    
    // 或者使用其他支付网关
    return array(
        'type' => 'manual',
        'message' => '请等待管理员确认支付'
    );
}

/**
 * 创建WooCommerce支付
 */
private function create_woocommerce_payment($subscription_id) {
    global $wpdb;
    
    // 获取订阅信息
    $table_name = $wpdb->prefix . 'cultural_subscriptions';
    $subscription = $wpdb->get_row($wpdb->prepare(
        "SELECT * FROM $table_name WHERE id = %d",
        $subscription_id
    ));
    
    if (!$subscription) {
        return false;
    }
    
    // 创建订单
    $order = wc_create_order(array(
        'customer_id' => $subscription->user_id,
        'created_via' => 'cultural_subscription'
    ));
    
    // 获取计划价格
    $plan_manager = new SubscriptionPlanManager();
    $price = $plan_manager->calculate_price(
        $subscription->plan_id,
        array(
            'frequency' => $subscription->frequency,
            'products' => json_decode($subscription->product_ids, true)
        )
    );
    
    // 添加产品到订单
    $product_ids = json_decode($subscription->product_ids, true);
    foreach ($product_ids as $product_id) {
        $product = wc_get_product($product_id);
        if ($product) {
            $order->add_product($product, 1);
        }
    }
    
    // 设置订阅费用
    $order->add_meta_data('_subscription_id', $subscription_id);
    $order->add_meta_data('_subscription_frequency', $subscription->frequency);
    $order->set_total($price);
    
    $order->save();
    
    return array(
        'type' => 'woocommerce',
        'order_id' => $order->get_id(),
        'payment_url' => $order->get_checkout_payment_url()
    );
}

/**
 * 修改订阅
 */
public function handle_modify_subscription() {
    // 验证nonce和用户权限
    if (!wp_verify_nonce($_POST['nonce'], 'cultural_subscription_nonce') || !is_user_logged_in()) {
        wp_die('非法请求');
    }
    
    $subscription_id = intval($_POST['subscription_id']);
    $user_id = get_current_user_id();
    
    // 验证订阅所有权
    if (!$this->validate_subscription_ownership($subscription_id, $user_id)) {
        wp_send_json_error(array('message' => '无权修改此订阅'));
    }
    
    // 获取修改选项
    $new_frequency = sanitize_text_field($_POST['new_frequency'] ?? '');
    $new_products = array_map('intval', $_POST['new_products'] ?? array());
    
    // 更新订阅
    $updated = $this->update_subscription($subscription_id, array(
        'frequency' => $new_frequency,
        'product_ids' => $new_products
    ));
    
    if ($updated) {
        wp_send_json_success(array('message' => '订阅修改成功'));
    } else {
        wp_send_json_error(array('message' => '修改失败'));
    }
}

/**
 * 验证订阅所有权
 */
private function validate_subscription_ownership($subscription_id, $user_id) {
    global $wpdb;
    $table_name = $wpdb->prefix . 'cultural_subscriptions';
    
    $subscription = $wpdb->get_row($wpdb->prepare(
        "SELECT user_id FROM $table_name WHERE id = %d",
        $subscription_id
    ));
    
    return $subscription && $subscription->user_id == $user_id;
}

/**
 * 更新订阅
 */
private function update_subscription($subscription_id, $data) {
    global $wpdb;
    $table_name = $wpdb->prefix . 'cultural_subscriptions';
    
    $update_data = array();
    
    if (!empty($data['frequency'])) {
        $update_data['frequency'] = $data['frequency'];
        // 重新计算下次配送日期
        $update_data['next_delivery_date'] = $this->calculate_next_delivery($data['frequency']);
    }
    
    if (!empty($data['product_ids'])) {
        $update_data['product_ids'] = json_encode($data['product_ids']);
    }
    
    if (empty($update_data)) {
        return false;
    }
    
    return $wpdb->update(
        $table_name,
        $update_data,
        array('id' => $subscription_id)
    );
}

/**
 * 取消订阅
 */
public function handle_cancel_subscription() {
    // 验证nonce和用户权限
    if (!wp_verify_nonce($_POST['nonce'], 'cultural_subscription_nonce') || !is_user_logged_in()) {
        wp_die('非法请求');
    }
    
    $subscription_id = intval($_POST['subscription_id']);
    $user_id = get_current_user_id();
    
    // 验证订阅所有权
    if (!$this->validate_subscription_ownership($subscription_id, $user_id)) {
        wp_send_json_error(array('message' => '无权取消此订阅'));
    }
    
    // 取消订阅（软删除）
    $cancelled = $this->cancel_subscription_record($subscription_id);
    
    if ($cancelled) {
        wp_send_json_success(array('message' => '订阅已取消'));
    } else {
        wp_send_json_error(array('message' => '取消失败'));
    }
}

/**
 * 取消订阅记录
 */
private function cancel_subscription_record($subscription_id) {
    global $wpdb;
    $table_name = $wpdb->prefix . 'cultural_subscriptions';
    
    return $wpdb->update(
        $table_name,
        array('status' => 'cancelled'),
        array('id' => $subscription_id)
    );
}

/**
 * 获取计划相关产品
 */
public function handle_get_products() {
    $plan_id = intval($_POST['plan_id']);
    
    // 这里应该根据计划获取相关文创产品
    // 示例：获取所有文创产品
    $args = array(
        'post_type' => 'product',
        'posts_per_page' => -1,
        'tax_query' => array(
            array(
                'taxonomy' => 'product_cat',
                'field' => 'slug',
                'terms' => 'cultural-creative' // 文创产品分类
            )
        )
    );
    
    $products = get_posts($args);
    $formatted_products = array();
    
    foreach ($products as $product) {
        $product_obj = wc_get_product($product->ID);
        $formatted_products[] = array(
            'id' => $product->ID,
            'name' => $product->post_title,
            'price' => $product_obj->get_price(),
            'image' => get_the_post_thumbnail_url($product->ID, 'thumbnail')
        );
    }
    
    wp_send_json_success($formatted_products);
}

/**
 * 无权限处理
 */
public function handle_no_privilege() {
    wp_send_json_error(array('message' => '请先登录'));
}

}

// 初始化AJAX处理器
new SubscriptionAjaxHandler();
?>


## 六、自动化任务与通知系统

创建定时任务和通知系统：

<?php
/**

自动化任务管理器
*/

class SubscriptionAutomation {


public function __construct() {
    // 注册定时任务
    add_action('init', array($this, 'schedule_events'));
    
    // 定义定时任务钩子
    add_action('cultural_subscription_daily_check', array($this, 'daily_check'));
    add_action('cultural_subscription_process_renewals', array($this, 'process_renewals'));
    add_action('cultural_subscription_send_reminders', array($this, 'send_reminders'));
}

/**
 * 安排定时任务
 */
public function schedule_events() {
    if (!wp_next_scheduled('cultural_subscription_daily_check')) {
        wp_schedule_event(time(), 'daily', 'cultural_subscription_daily_check');
    }
    
    if (!wp_next_scheduled('cultural_subscription_process_renewals')) {
        wp_schedule_event(time(), 'twicedaily', 'cultural_subscription_process_renewals');
    }
}

/**
 * 每日检查
 */
public function daily_check() {
    $this->check_expiring_subscriptions();
    $this->update_subscription_statuses();
    $this->cleanup_old_data();
}

/**
 * 检查即将到期的订阅
 */
private function check_expiring_subscriptions() {
    global $wpdb;
    $table_name = $wpdb->prefix . 'cultural_subscriptions';
    
    // 查找7天内到期的订阅
    $seven_days_later = date('Y-m-d', strtotime('+7 days'));
    
    $expiring_subscriptions = $wpdb->get_results($wpdb->prepare(
        "SELECT * FROM $table_name 
         WHERE status = 'active' 
         AND next_delivery_date <= %s
         AND next_delivery_date > %s",
        $seven_days_later,
        current_time('Y-m-d')
    ));
    
    foreach ($expiring_subscriptions as $subscription) {
        $this->send_expiration_reminder($subscription);
    }
}

/**
 * 发送到期提醒
 */
private function send_expiration_reminder($subscription) {
    $user = get_user_by('id', $subscription->user_id);
    if (!$user) {
        return;
    }
    
    $plan_name = get_the_title($subscription->plan_id);
    $next_delivery = date_i18n(get_option('date_format'), strtotime($subscription->next_delivery_date));
    
    $subject = sprintf(__('您的文创订阅即将配送 - %s', 'cultural-subscription'), $plan_name);
    
    $message = sprintf(
        __('亲爱的%s，<br><br>您的文创订阅"%s"将在%s进行下次配送。<br><br>如需修改配送内容或时间，请登录您的账户进行操作。<br><br>感谢您的订阅！', 'cultural-subscription'),
        $user->display_name,
        $plan_name,
        $next_delivery
    );
    
    wp_mail($user->user_email, $subject, $message, array('Content-Type: text/html; charset=UTF-8'));
}

/**
 * 更新订阅状态
 */
private function update_subscription_statuses() {
    global $wpdb;
    $table_name = $wpdb->prefix . 'cultural_subscriptions';
    
    // 将过期的订阅标记为过期
    $wpdb->query($wpdb->prepare(
        "UPDATE $table_name 
         SET status = 'expired' 
         WHERE status = 'active' 
         AND next_delivery_date < %s",
        current_time('Y-m-d')
    ));
}

/**
 * 处理续订
 */
public function process_renewals() {
    global $wpdb;
    $table_name = $wpdb->prefix . 'cultural_subscriptions';
    
    // 查找需要续订的订阅
    $today = current_time('Y-m-d');
    
    $renewal_subscriptions = $wpdb->get_results($wpdb->prepare(
        "SELECT * FROM $table_name 
         WHERE status = 'active' 
         AND next_delivery_date = %s",
        $today
    ));
    
    foreach ($renewal_subscriptions as $subscription) {
        $this->process_single_renewal($subscription);
    }
}

/**
 * 处理单个续订
 */
private function process_single_renewal($subscription) {
    // 创建新订单
    $payment_data = $this->create_renewal_payment($subscription);
    
    if ($payment_data) {
        // 更新下次配送日期
        $this->update_next_delivery_date($subscription->id);
        
        // 发送续订确认
        $this->send_renewal_confirmation($subscription);
    } else {
        // 支付失败，进入宽限期
        $this->handle_payment_failure($subscription);
    }
}

/**

WordPress文创产品柔性订阅制服务插件开发教程

WordPress文创产品柔性订阅制服务插件开发教程

一、项目概述与需求分析

核心功能需求：

二、插件基础结构搭建

三、订阅计划管理系统

四、用户订阅管理界面

EXCHANGES®作者

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WordPress文创产品柔性订阅制服务插件开发教程

一、项目概述与需求分析

核心功能需求：

二、插件基础结构搭建

三、订阅计划管理系统

四、用户订阅管理界面

EXCHANGES®作者

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