Reduce controller logic scope

app/Helpers/Replays.ts

@@ -0,0 +1,50 @@
+import Replay from '#models/replay'
+import {parseSentryLinkHeader, SentryPagination} from './Sentry.js'
+
+import env from '#start/env'
+let recordsUpdated = 0
+const SENTRY_TOKEN = env.get('SENTRY_TOKEN')
+interface ApiResponse<T> {
+  data: T;
+  // optionally, you can define `meta`, `errors`, etc. if your API returns them
+}
+export async function fetchBatch(url: string) {
+  const options: RequestInit = {
+    headers: {
+      Authorization: `Bearer ${SENTRY_TOKEN}`
+    }
+  }
+  const req = await fetch(url, options)
+  if (!req.ok) {
+    throw new Error(`Request failed with status ${req.status}`);
+  }
+
+  const resp = await req.json() as ApiResponse<Replay[]>;
+  const replays = resp.data;
+  const headers = req.headers
+
+  const cleanedData = replays.map(record => sanitizeInput(record, Replay.allowedFields))
+
+  let updated = await Replay.updateOrCreateMany('id', cleanedData)
+  recordsUpdated = recordsUpdated + updated.length
+  const linkHeader = headers.get('link')
+  if (!linkHeader) {
+    return { error: 'link header missing from Sentry API response' }
+  }
+  const pagination: SentryPagination = parseSentryLinkHeader(linkHeader)
+
+  if (pagination.hasNextResults == true) {
+    console.log('fetching', pagination.next)
+    await fetchBatch(pagination.next)
+  }
+  console.log('no more results')
+  return { recordsUpdated }
+
+}
+
+function sanitizeInput(data: Record<string, any>, allowedFields: string[]) {
+  return allowedFields.reduce((acc, key) => {
+    if (key in data) acc[key] = data[key]
+    return acc
+  }, {} as Record<string, any>)
+}