init

api/service/biz_subscription_logic.js

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