Execute something after return

AngusMa · 2023-12-17T14:46:58.794Z

I want to use Workers AI on Discord through my bot, AI content takes a long time to generate, so I need to respond Discord first and update the result later. Is there a way to solve it? By the way, how do I get my account ID?

D

DaniFoldi•12/17/23, 3:26 PM

Hi

Let me answer your second question first, your account id can be found in multiple locations:
go to workers & pages in the dashboard, and find it on the right hand side in a click-to-copy box. It is also in the url, a long hexadecimal string

As for the first one, workers have a special way to achieve this: https://developers.cloudflare.com/workers/runtime-apis/handlers/fetch/#contextwaituntil

In that waitUntil, put your promise that resolves after the initial response, so your code looks something like this:

context.waitUntil(aiPromise.then(someResponseModification).then(editMessage))
return new Response(...)

context.waitUntil(aiPromise.then(someResponseModification).then(editMessage))
return new Response(...)

context.waitUntil(aiPromise.then(someResponseModification).then(editMessage))
return new Response(...)

context.waitUntil(aiPromise.then(someResponseModification).then(editMessage))
return new Response(...)

A

AngusMaOP•12/17/23, 4:24 PM

Thanks for your help, I copied example from Discord documentation, it doesn’t have the

context

context

argument. How can I use it?

router.post('/', async (request, env) => {

router.post('/', async (request, env) => {

router.post('/', async (request, env) => {

router.post('/', async (request, env) => {

D

DaniFoldi•12/17/23, 4:25 PM

hmm, what router is that example using?

A

AngusMaOP•12/17/23, 4:27 PM

Here is the example:
https://github.com/discord/cloudflare-sample-app/blob/main/src/server.js

GitHub

cloudflare-sample-app/src/server.js at main · discord/cloudflare-sa...

Example discord bot using Cloudflare Workers. Contribute to discord/cloudflare-sample-app development by creating an account on GitHub.

K

kian•12/17/23, 4:28 PM

Just add a third param, after env

K

kian•12/17/23, 4:28 PM

async (request, env, ctx) => {

async (request, env, ctx) => {

async (request, env, ctx) => {

async (request, env, ctx) => {

K

kian•12/17/23, 4:28 PM

https://github.com/kwhitley/itty-router#4-only-one-required-argument--the-rest-is-up-to-you

D

DaniFoldi•12/17/23, 4:29 PM

itty-router it is haha

A

AngusMaOP•12/17/23, 4:34 PM

I tried but failed

TypeError: Cannot read properties of undefined (reading 'waitUntil')
    at null.<anonymous> (file:///cloudflare-sample-app/src/server.js:161:13)
    at async Object.handle (file:///cloudflare-sample-app/node_modules/itty-router/index.mjs:1:614)
    at async jsonError (file:///cloudflare-sample-app/node_modules/wrangler/templates/middleware/middleware-miniflare3-json-error.ts:22:10)

TypeError: Cannot read properties of undefined (reading 'waitUntil')
    at null.<anonymous> (file:///cloudflare-sample-app/src/server.js:161:13)
    at async Object.handle (file:///cloudflare-sample-app/node_modules/itty-router/index.mjs:1:614)
    at async jsonError (file:///cloudflare-sample-app/node_modules/wrangler/templates/middleware/middleware-miniflare3-json-error.ts:22:10)

TypeError: Cannot read properties of undefined (reading 'waitUntil')
    at null.<anonymous> (file:///cloudflare-sample-app/src/server.js:161:13)
    at async Object.handle (file:///cloudflare-sample-app/node_modules/itty-router/index.mjs:1:614)
    at async jsonError (file:///cloudflare-sample-app/node_modules/wrangler/templates/middleware/middleware-miniflare3-json-error.ts:22:10)

TypeError: Cannot read properties of undefined (reading 'waitUntil')
    at null.<anonymous> (file:///cloudflare-sample-app/src/server.js:161:13)
    at async Object.handle (file:///cloudflare-sample-app/node_modules/itty-router/index.mjs:1:614)
    at async jsonError (file:///cloudflare-sample-app/node_modules/wrangler/templates/middleware/middleware-miniflare3-json-error.ts:22:10)

K

kian•12/17/23, 4:39 PM

const server = {
  verifyDiscordRequest: verifyDiscordRequest,
  fetch: async function (request, env, env) {
    return router.handle(request, env, env);
  },
};

const server = {
  verifyDiscordRequest: verifyDiscordRequest,
  fetch: async function (request, env, env) {
    return router.handle(request, env, env);
  },
};

const server = {
  verifyDiscordRequest: verifyDiscordRequest,
  fetch: async function (request, env, env) {
    return router.handle(request, env, env);
  },
};

const server = {
  verifyDiscordRequest: verifyDiscordRequest,
  fetch: async function (request, env, env) {
    return router.handle(request, env, env);
  },
};

K

kian•12/17/23, 4:39 PM

Modify the

server

server

object at the bottom as well to include them, like this

A

AngusMaOP•12/17/23, 4:41 PM

It works! Thank you so much!

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