File size: 1,413 Bytes
57aa51e | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | import {
proxyActivities,
setHandler,
condition,
sleep,
continueAsNew,
} from '@temporalio/workflow';
import { EmailActivity } from '@gitroom/orchestrator/activities/email.activity';
import {
SendEmail,
sendEmailSignal,
} from '@gitroom/orchestrator/signals/send.email.signal';
const { sendEmail } = proxyActivities<EmailActivity>({
startToCloseTimeout: '10 minute',
taskQueue: 'main',
cancellationType: 'ABANDON',
});
const RATE_LIMIT_MS = 700;
export async function sendEmailWorkflow({
queue = [],
}: {
queue: SendEmail[];
}) {
let processedThisRun = 0;
// Handle incoming email signals
setHandler(sendEmailSignal, (addEmail: SendEmail) => {
if (addEmail.to && addEmail.subject) {
if (addEmail.addTo === 'top') {
queue.unshift(addEmail);
} else {
queue.push(addEmail);
}
}
});
// Process emails with rate limiting
while (true) {
// Wait until there's an email in the queue or timeout after 1 hour of inactivity
await condition(() => queue.length > 0);
try {
const email = queue.shift()!;
if (!email) {
continue;
}
await sendEmail(email.to, email.subject, email.html, email.replyTo);
processedThisRun++;
} catch (err) {
console.log(err);
}
await sleep(RATE_LIMIT_MS);
if (processedThisRun >= 30) {
return await continueAsNew({ queue });
}
}
}
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