init: init prok

packages/server/src/routes/redemption.ts

@@ -0,0 +1,79 @@
+import { Router } from "express";
+import { z } from "zod";
+import { prisma } from "@stamp/shared";
+import { requireAuth } from "../middleware/auth.js";
+
+const router = Router();
+
+router.get("/rules", async (_req, res) => {
+  const rules = await prisma.redemptionRule.findMany({
+    where: { enabled: true },
+    orderBy: { sortOrder: "asc" },
+    select: { id: true, name: true, description: true, threshold: true },
+  });
+  res.json({ success: true, data: rules });
+});
+
+const redeemSchema = z.object({
+  ruleId: z.string().uuid("规则 ID 格式不正确"),
+});
+
+router.post("/redeem", requireAuth, async (req, res) => {
+  const parsed = redeemSchema.safeParse(req.body);
+  if (!parsed.success) {
+    res.status(400).json({ success: false, error: { code: "VALIDATION", message: parsed.error.issues[0].message } });
+    return;
+  }
+
+  const rule = await prisma.redemptionRule.findUnique({ where: { id: parsed.data.ruleId, enabled: true } });
+  if (!rule) {
+    res.status(404).json({ success: false, error: { code: "NOT_FOUND", message: "兑换规则不存在" } });
+    return;
+  }
+
+  const collectionCount = await prisma.collection.count({ where: { userId: req.userId! } });
+  if (collectionCount < rule.threshold) {
+    res.status(400).json({
+      success: false,
+      error: { code: "INSUFFICIENT", message: `需要收集 ${rule.threshold} 枚图章，当前只有 ${collectionCount} 枚` },
+    });
+    return;
+  }
+
+  const redemption = await prisma.$transaction(async (tx) => {
+    const record = await tx.redemption.create({
+      data: { userId: req.userId!, ruleId: rule.id, stampCount: collectionCount },
+    });
+    await tx.collection.deleteMany({ where: { userId: req.userId! } });
+    return record;
+  });
+
+  res.json({
+    success: true,
+    data: {
+      id: redemption.id,
+      ruleName: rule.name,
+      stampCount: redemption.stampCount,
+      redeemedAt: redemption.redeemedAt.toISOString(),
+    },
+  });
+});
+
+router.get("/history", requireAuth, async (req, res) => {
+  const records = await prisma.redemption.findMany({
+    where: { userId: req.userId! },
+    include: { rule: { select: { name: true } } },
+    orderBy: { redeemedAt: "desc" },
+  });
+
+  const data = records.map((r) => ({
+    id: r.id,
+    ruleName: r.rule.name,
+    stampCount: r.stampCount,
+    redeemedAt: r.redeemedAt.toISOString(),
+  }));
+
+  res.json({ success: true, data });
+});
+
+export default router;