131 lines
3.5 KiB
JavaScript
131 lines
3.5 KiB
JavaScript
/**
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* 订阅开通 / 升级 / 续费 / 取消 / 到期扫描 / 支付确认
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*/
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const baseModel = require("../../middleware/baseModel");
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const { op } = baseModel;
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async function assertUserActive(userId) {
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const u = await baseModel.biz_user.findByPk(userId);
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if (!u) throw new Error("用户不存在");
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if (u.status !== "active") throw new Error("用户已禁用");
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return u;
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}
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async function assertPlanActive(planId) {
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const p = await baseModel.biz_plan.findByPk(planId);
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if (!p) throw new Error("套餐不存在");
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if (p.status !== "active") throw new Error("套餐未上线");
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return p;
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}
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async function openSubscription(body) {
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const {
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user_id,
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plan_id,
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start_time,
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end_time,
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status = "pending",
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renew_mode = "manual",
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payment_channel,
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payment_ref,
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} = body;
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await assertUserActive(user_id);
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await assertPlanActive(plan_id);
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const row = await baseModel.biz_subscription.create({
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user_id,
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plan_id,
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status,
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start_time,
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end_time,
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renew_mode,
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payment_channel: payment_channel || null,
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payment_ref: payment_ref || null,
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});
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return row;
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}
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async function upgradeSubscription(body) {
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const { subscription_id, new_plan_id, start_time, end_time } = body;
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const sub = await baseModel.biz_subscription.findByPk(subscription_id);
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if (!sub) throw new Error("订阅不存在");
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await assertPlanActive(new_plan_id);
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await sub.update({
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plan_id: new_plan_id,
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start_time: start_time || sub.start_time,
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end_time: end_time || sub.end_time,
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});
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return sub;
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}
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async function renewSubscription(body) {
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const { subscription_id, end_time } = body;
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const sub = await baseModel.biz_subscription.findByPk(subscription_id);
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if (!sub) throw new Error("订阅不存在");
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await sub.update({
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end_time,
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status: "active",
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});
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return sub;
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}
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async function cancelSubscription(body) {
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const { subscription_id } = body;
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const sub = await baseModel.biz_subscription.findByPk(subscription_id);
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if (!sub) throw new Error("订阅不存在");
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await sub.update({ status: "cancelled" });
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return sub;
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}
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/** 每天扫描：将已过期且仍为 active 的订阅置为 expired */
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async function expireDueSubscriptions() {
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const now = new Date();
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const [n] = await baseModel.biz_subscription.update(
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{ status: "expired" },
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{
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where: {
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status: "active",
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end_time: { [op.lt]: now },
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},
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}
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);
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return n;
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}
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/** 线下确认：pending -> active，写入 payment_ref */
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async function confirmOfflinePayment(body) {
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const { subscription_id, payment_ref } = body;
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if (!subscription_id) throw new Error("缺少 subscription_id");
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const sub = await baseModel.biz_subscription.findByPk(subscription_id);
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if (!sub) throw new Error("订阅不存在");
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await sub.update({
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status: "active",
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payment_channel: "offline",
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payment_ref: payment_ref || sub.payment_ref,
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});
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return sub;
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}
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/** 链接支付确认（MVP：与线下类似，仅标记渠道） */
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async function confirmLinkPayment(body) {
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const { subscription_id, payment_ref } = body;
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if (!subscription_id) throw new Error("缺少 subscription_id");
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const sub = await baseModel.biz_subscription.findByPk(subscription_id);
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if (!sub) throw new Error("订阅不存在");
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await sub.update({
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status: "active",
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payment_channel: "pay_link",
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payment_ref: payment_ref || sub.payment_ref,
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});
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return sub;
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}
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module.exports = {
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openSubscription,
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upgradeSubscription,
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renewSubscription,
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cancelSubscription,
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expireDueSubscriptions,
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confirmOfflinePayment,
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confirmLinkPayment,
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};
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