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>)
+}

app/Helpers/Sentry.ts

@@ -0,0 +1,28 @@
+
+export interface SentryPagination {
+  previous: string;
+  hasPreviousResults: boolean;
+  hasNextResults: boolean;
+  next: string
+}
+export function parseSentryLinkHeader(header: string): SentryPagination {
+  const links = header.split(',').map(part => part.trim())
+
+  let result = {} as SentryPagination
+  for (const link of links) {
+    const match = link.match(/<([^>]+)>;\s*rel="([^"]+)";\s*results="([^"]+)";\s*cursor="([^"]+)"/)
+    if (!match) continue
+
+    const [, url, rel, results] = match
+
+    if (rel === 'previous') {
+      result.previous = url
+      result.hasPreviousResults = results === 'true'
+    } else if (rel === 'next') {
+      result.next = url
+      result.hasNextResults = results === 'true'
+    }
+  }
+
+  return result
+}

app/Helpers/Webhook.ts

@@ -0,0 +1,19 @@
+import env from '#start/env'
+
+export async function sendDataToWebhook(responseData:{ version: number, updatedAt: Date, numberOfRecords: number, data: unknown}) {
+    try {
+        console.log('syncing to webhook')
+        await fetch(env.get('WEBHOOK_URL'),
+            {
+                headers:
+                {
+                    'content-type': 'application/json'
+                },
+                method: 'POST',
+                body: JSON.stringify(responseData)
+            }
+        )
+    } catch (e) {
+        console.error('error sending webhook data', e)
+    }
+}

app/controllers/replays_controller.ts

@@ -1,62 +1,34 @@
 import Replay from '#models/replay'
 import env from '#start/env'
 import type { HttpContext } from '@adonisjs/core/http'
-import db from '@adonisjs/lucid/services/db'
-const SENTRY_TOKEN = env.get('SENTRY_TOKEN')
 const SENTRY_ORG = env.get('SENTRY_ORG')
-let recordsUpdated = 0
 import redis from '@adonisjs/redis/services/main'
+import { fetchBatch } from '../Helpers/Replays.js'
+import { sendDataToWebhook } from '../Helpers/Webhook.js'
 
 
-interface ApiResponse<T> {
-  data: T;
-  // optionally, you can define `meta`, `errors`, etc. if your API returns them
-}
-
-interface SentryPagination {
-  previous: string;
-  hasPreviousResults: boolean;
-  hasNextResults: boolean;
-  next: string
-}
 export default class ReplaysController {
 
   public async stats({ request, response }: HttpContext) {
-    const {sendToWebhook} = request.qs()
+    const { sendToWebhook } = request.qs()
     const latestVersion = await redis.get(`replays:stats:latest_version`)
+    let results
     if (!latestVersion) {
-      //
       console.log('Cache miss')
-      const queryResults = await Replay.updateReplayStats()
+      results = await Replay.updateReplayStats()
-      queryResults.latest_version = 1
-      queryResults.updatedAt = Date.now()
-      await redis.set(`replays:stats:version:1:results`, JSON.stringify(queryResults))
-      await redis.set(`replays:stats:latest_version`, 1)
-      return response.json(queryResults)
     } else {
       console.log('cache hit')
-      const results = await redis.get(`replays:stats:version:${latestVersion}:results`)
+      let data = await redis.get(`replays:stats:version:${latestVersion}:results`)
-      return response.json(JSON.parse(results))
+      if (data) {
+        results = JSON.parse(data)
+      }
     }
-    await redis.set(`replays:stats:version:${latestQueryVersion}:results`, JSON.stringify(results))
 
+    let responseData = { version: results.version, updatedAt: results.updatedAt, numberOfRecords: results.rows.length, data: results.rows }
     if (sendToWebhook) {
-          try {
+      await sendDataToWebhook(responseData)
-            console.log('syncing to webhook')
-            await fetch(env.get('WEBHOOK_URL'), 
-              {
-                headers: 
-                {
-                  'content-type': 'application/json'
-                }, 
-                method: 'POST',
-                body: JSON.stringify(results.rows)
-              }
-            )
-          } catch(e) {
-            console.error('error sending webhook data', e)
-          }
     }
+    return response.json(responseData)
   }
 
   public async list({ request, inertia }: HttpContext) {
@@ -97,7 +69,6 @@ export default class ReplaysController {
 
   async index({ request, response }: HttpContext) {
     const { statsPeriod, start, end } = request.qs()
-    recordsUpdated = 0
 
     let queryString: string = '?statsPeriod=24h'// Default in case none is provided
     if (statsPeriod) {
@@ -105,78 +76,16 @@ export default class ReplaysController {
     } else if (start && end) {
       queryString = `?start=${start}&end=${end}`
     }
-    const replays = await fetchBatch(`https://sentry.io/api/0/organizations/${SENTRY_ORG}/replays/${queryString}`)
+    await fetchBatch(`https://sentry.io/api/0/organizations/${SENTRY_ORG}/replays/${queryString}`)
 
     let queryResults = await Replay.updateReplayStats()
 
-    return response.json({version: queryResults.latestVersion, ...queryResults})
+    return response.json({ version: queryResults.latestVersion, ...queryResults })
   }
 
 }
 
 
-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 parseSentryLinkHeader(header: string): SentryPagination {
-  const links = header.split(',').map(part => part.trim())
-
-  let result = {} as SentryPagination
-  for (const link of links) {
-    const match = link.match(/<([^>]+)>;\s*rel="([^"]+)";\s*results="([^"]+)";\s*cursor="([^"]+)"/)
-    if (!match) continue
-
-    const [, url, rel, results] = match
-
-    if (rel === 'previous') {
-      result.previous = url
-      result.hasPreviousResults = results === 'true'
-    } else if (rel === 'next') {
-      result.next = url
-      result.hasNextResults = results === 'true'
-    }
-  }
-
-  return result
-}
-
-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>)
-}
-
 function buildPaginationLinks(meta: { previousPageUrl: string, lastPage: number; currentPage: number; nextPageUrl: string }) {
   const links = []