AI-83: Add /[type]/[id] endpoint for getting or generating things

packages/ai-database/src/app/[type]/[id]/route.ts

@@ -0,0 +1,66 @@
+import config from '@payload-config'
+import { waitUntil } from '@vercel/functions'
+import { getPayload } from 'payload'
+
+export const maxDuration = 800
+
+export async function GET(request: Request) {
+  const start = Date.now()
+  const { headers } = request
+  const { origin, searchParams, pathname } = new URL(request.url)
+
+  const paths = pathname.split('/')
+  const id = paths.pop() || ''
+  const type = paths.pop() || ''
+
+  const payload = await getPayload({ config })
+  const { user } = await payload.auth({ headers })
+
+  try {
+    const thing = await payload.find({
+      collection: 'things',
+      where: {
+        type: { equals: type },
+        id: { equals: id }
+      }
+    })
+
+    if (thing.docs.length > 0) {
+      return Response.json({
+        ...thing.docs[0],
+        $context: origin,
+        links: {
+          home: origin,
+          admin: origin + '/admin',
+        }
+      })
+    } else {
+      const job = await payload.jobs.queue({ 
+        workflow: 'generateThing', 
+        input: {
+          id,
+          type
+        }
+      })
+
+      return Response.json({
+        id,
+        type,
+        status: 'generating',
+        jobId: job.id,
+        message: 'Resource is being generated. Please check back soon.',
+        $context: origin,
+        links: {
+          home: origin,
+          admin: origin + '/admin',
+          job: `${origin}/admin/collections/payload-jobs/${job.id}`,
+        }
+      }, { status: 202 }) // 202 Accepted indicates the request has been accepted for processing
+    }
+  } catch (error) {
+    return Response.json({
+      error: 'Failed to process request',
+      message: error.message,
+    }, { status: 500 })
+  }
+}