Migrate donator requests to limit of 5

prisma/data_migrations/202505091015_donator_request_limit.ts

@@ -0,0 +1,36 @@
+import { RequestState, type Prisma } from '@prisma/client'
+import prismaClient from 'utils/prisma-client'
+
+const LIMIT_PENDING = 5
+
+export default async function MigrationFn(tx: Prisma.TransactionClient) {
+  const donatorRequests = await tx.requests.findMany({
+    where: { donator: true, state: RequestState.PENDING, userID: { not: null } }
+  })
+  const donatorMap = new Map<string, typeof donatorRequests>()
+
+  donatorRequests.forEach((request) => {
+    const userID = request.userID as string
+    donatorMap.set(userID, [...(donatorMap.get(userID) || []), request])
+  })
+
+  const holdRequests = new Set<number>()
+
+  for (const requests of donatorMap.values()) {
+    if (requests.length <= LIMIT_PENDING) continue
+
+    const end = requests.length - LIMIT_PENDING
+    const sortedRequests = requests.sort((a, b) => a.createdAt.getTime() - b.createdAt.getTime()).slice(0, end)
+
+    sortedRequests.forEach((r) => {
+      holdRequests.add(r.id)
+    })
+  }
+
+  await prismaClient.requests.updateMany({
+    where: { id: { in: Array.from(holdRequests) } },
+    data: { state: RequestState.HOLD }
+  })
+
+  console.log(`Updated ${holdRequests.size} requests to HOLD state`)
+}