107 lines
4.4 KiB
PHP
107 lines
4.4 KiB
PHP
<?php
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/**
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* 核心：订阅计划配置的读写与工具函数。
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*
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* @package Yoone_Subscriptions
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*/
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defined('ABSPATH') || exit;
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class Yoone_Subscriptions {
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// postmeta 键名
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const META_ENABLED = '_yoone_sub_enabled'; // bool
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const META_PERIOD = '_yoone_sub_period'; // 'month'|'year'
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const META_QTY_DEFAULT = '_yoone_sub_qty_default'; // int >=1
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const META_PRICE = '_yoone_sub_price'; // decimal string
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const META_ALLOW_ONETIME = '_yoone_sub_allow_onetime'; // bool
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const META_MIN_QTY = '_yoone_sub_min_qty'; // int >=1（最小起订量，仅订阅模式下生效）
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const META_TIER_RULES = '_yoone_sub_tier_rules'; // string 逗号分隔“数量:折扣%”对，如 10:5,20:10
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// 新增：多订阅计划（每个计划包含：id、label、period、price、discount_percent 可选）
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const META_PLANS = '_yoone_sub_plans'; // serialized array
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protected static $instance = null;
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/**
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* 单例
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*/
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public static function instance() {
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if (null === self::$instance) self::$instance = new self();
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return self::$instance;
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}
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private function __construct() {
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// 无需在此注册产品类型；订阅计划作为 simple/product 的增强配置存在
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}
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/**
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* 获取产品的订阅配置（规范化）。
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*
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* @param int|WC_Product $product 产品或产品ID
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* @return array{enabled:bool,period:string,qty_default:int,price:float,allow_onetime:bool}
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*/
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public static function get_config($product) {
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$product = is_numeric($product) ? wc_get_product($product) : $product;
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if (! $product) return self::defaults();
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$pid = $product->get_id();
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$enabled = (bool) get_post_meta($pid, self::META_ENABLED, true);
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$period = get_post_meta($pid, self::META_PERIOD, true);
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$qty = absint(get_post_meta($pid, self::META_QTY_DEFAULT, true));
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$price = get_post_meta($pid, self::META_PRICE, true);
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$onetime = (bool) get_post_meta($pid, self::META_ALLOW_ONETIME, true);
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$min_qty = absint(get_post_meta($pid, self::META_MIN_QTY, true));
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$tiers = get_post_meta($pid, self::META_TIER_RULES, true);
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$plans = get_post_meta($pid, self::META_PLANS, true);
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$period = in_array($period, array('month','year'), true) ? $period : 'month';
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$qty = max(1, $qty);
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$price = is_numeric($price) ? floatval($price) : 0.0; // 0 表示按产品原价
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// 规范化计划数组
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if (! is_array($plans)) {
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$plans = array();
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} else {
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$norm = array();
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foreach ($plans as $p) {
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$norm[] = array(
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'id' => isset($p['id']) ? sanitize_key($p['id']) : uniqid('plan_'),
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'label' => isset($p['label']) ? sanitize_text_field($p['label']) : __('订阅计划', 'yoone-subscriptions'),
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'period' => (isset($p['period']) && in_array($p['period'], array('month','year'), true)) ? $p['period'] : 'month',
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'price' => isset($p['price']) && is_numeric($p['price']) ? floatval($p['price']) : 0.0,
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'discount_percent' => isset($p['discount_percent']) && is_numeric($p['discount_percent']) ? floatval($p['discount_percent']) : 0.0,
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);
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}
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$plans = $norm;
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}
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return array(
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'enabled' => $enabled,
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'period' => $period,
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'qty_default' => $qty,
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'price' => $price,
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'allow_onetime' => $onetime,
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'min_qty' => max(1, $min_qty),
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'tier_rules' => is_string($tiers) ? $tiers : '',
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'plans' => $plans,
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);
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}
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/**
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* 默认配置
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*/
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public static function defaults() {
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return array(
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'enabled' => false,
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'period' => 'month',
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'qty_default' => 1,
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'price' => 0.0,
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'allow_onetime' => true,
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'min_qty' => 1,
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'tier_rules' => '',
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'plans' => array(),
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);
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}
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/**
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* 周期对应的系数（用于价格计算）。
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* month=1, year=12。
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*/
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public static function period_factor($period) {
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return $period === 'year' ? 12 : 1;
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}
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} |