feat: convert to nextjs

app/api/purchase-list/route.ts

@@ -0,0 +1,38 @@
+import { generate } from '@purchases/store';
+import { purchasesRequestSchema } from '@purchases/types';
+import { rateLimiter } from '@utils/rateLimiter';
+import { NextRequest, NextResponse } from 'next/server';
+
+export async function POST(request: NextRequest) {
+  const rateLimit = await rateLimiter();
+  if (rateLimit) {
+    return NextResponse.json(
+      { error: 'Rate limit exceeded.' },
+      { status: 429 }
+    );
+  }
+
+  try {
+    const body = await request.json();
+
+    const result = purchasesRequestSchema.safeParse(body);
+    if (!result.success) {
+      return NextResponse.json(
+        { error: result.error.issues[0].message },
+        { status: 400 }
+      );
+    }
+
+    const { id, consumer } = result.data;
+
+    const purchaseList = await generate(id, consumer, new Date());
+
+    return NextResponse.json(purchaseList);
+  } catch (error) {
+    console.error('Error processing purchases:', error);
+    return NextResponse.json(
+      { error: 'Failed to process purchases' },
+      { status: 500 }
+    );
+  }
+}