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fix(Discord Node): Fix broken rate limit handling (#3311)

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* 🔨 fix and additional option to return response headers

* ⚡ Remove "return response headers" parameter

Co-authored-by: ricardo <ricardoespinoza105@gmail.com>
This commit is contained in:
Michael Kret 2022-05-27 19:26:08 +03:00 committed by GitHub
parent d71967878f
commit b687ba11cc
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 24 additions and 8 deletions
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32
packages/nodes-base/nodes/Discord/Discord.node.ts
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@ -117,8 +117,6 @@ export class Discord implements INodeType {
],
};
async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
const returnData: IDataObject[] = [];
@ -204,6 +202,7 @@ export class Discord implements INodeType {
if(!body.payload_json){
requestOptions = {
resolveWithFullResponse: true,
method: 'POST',
body,
uri: webhookUri,
@ -214,6 +213,7 @@ export class Discord implements INodeType {
};
}else {
requestOptions = {
resolveWithFullResponse: true,
method: 'POST',
body,
uri: webhookUri,
@ -223,34 +223,50 @@ export class Discord implements INodeType {
};
}
let maxTries = 5;
let response;
do {
try {
await this.helpers.request(requestOptions);
response = await this.helpers.request(requestOptions);
const resetAfter = response.headers['x-ratelimit-reset-after'] * 1000;
const remainingRatelimit = response.headers['x-ratelimit-remaining'];
// remaining requests 0
// https://discord.com/developers/docs/topics/rate-limits
if (!+remainingRatelimit) {
await new Promise<void>((resolve) =>
setTimeout(resolve, resetAfter || 1000),
);
}
break;
} catch (error) {
// HTTP/1.1 429 TOO MANY REQUESTS
// Await when the current rate limit will reset
// https://discord.com/developers/docs/topics/rate-limits
if (error.statusCode === 429) {
//* Await ratelimit to be over
const retryAfter = error.response?.headers['retry-after'] || 1000;
await new Promise<void>((resolve) =>
setTimeout(resolve, error.response.body.retry_after || 150),
setTimeout(resolve, +retryAfter),
);
continue;
}
//* Different Discord error, throw it
throw error;
}
} while (--maxTries);
if (maxTries <= 0) {
throw new Error(
'Could not send Webhook message. Max. amount of rate-limit retries reached.',
'Could not send Webhook message. Max amount of rate-limit retries reached.',
);
}
returnData.push({ success: true });
}
return [this.helpers.returnJsonArray(returnData)];
}
}