🎉 init

server/api/pots/[slug]/payments.post.ts

@@ -0,0 +1,33 @@
+import { useDb } from '../../../database/client'
+import { expenseParticipants, expenses } from '../../../database/schema'
+
+export default defineEventHandler(async (event) => {
+  const slug = getRouterParam(event, 'slug')!
+  await getPotOrThrow(slug)
+
+  const body = await readBody(event)
+  const fromId = Number(body?.fromId)
+  const toId = Number(body?.toId)
+  const amountCents = Number(body?.amountCents)
+
+  if (!Number.isInteger(amountCents) || amountCents <= 0) {
+    throw createError({ statusCode: 400, statusMessage: 'amountCents must be a positive integer' })
+  }
+  if (fromId === toId) {
+    throw createError({ statusCode: 400, statusMessage: 'fromId and toId must differ' })
+  }
+
+  const potParticipants = await getParticipants(slug)
+  const validIds = new Set(potParticipants.map(p => p.id))
+  if (!validIds.has(fromId) || !validIds.has(toId)) {
+    throw createError({ statusCode: 400, statusMessage: 'fromId and toId must reference participants of this Pot' })
+  }
+
+  const db = useDb()
+  const [payment] = await db.insert(expenses)
+    .values({ potSlug: slug, type: 'payment', description: 'Settlement', amountCents, payerId: fromId })
+    .returning()
+  await db.insert(expenseParticipants).values({ expenseId: payment.id, participantId: toId })
+
+  return { ...payment, participantIds: [toId] }
+})