mailtrain/server/services/sender-worker.js
Tomas Bures 450b930cc5 Work in progress on refactoring all mail sending to use the message sender an sender workers.
Some fixes related to subscriptions and password reset.
2019-06-30 10:47:09 +02:00

133 lines
4 KiB
JavaScript

'use strict';
const config = require('config');
const log = require('../lib/log');
const mailers = require('../lib/mailers');
const messageSender = require('../lib/message-sender');
require('../lib/fork');
const workerId = Number.parseInt(process.argv[2]);
let running = false;
async function processCampaignMessages(campaignId, messages) {
if (running) {
log.error('Senders', `Worker ${workerId} assigned work while working`);
return;
}
running = true;
const cs = new messageSender.MessageSender();
await cs.initByCampaignId(campaignId);
let withErrors = false;
for (const msg of messages) {
try {
await cs.sendRegularMessage(msg.listId, msg.email);
log.verbose('Senders', 'Message sent and status updated for %s:%s', msg.listId, msg.email);
} catch (err) {
if (err instanceof mailers.SendConfigurationError) {
log.error('Senders', `Sending message to ${msg.listId}:${msg.email} failed with error: ${err.message}. Will retry the message if within retention interval.`);
withErrors = true;
break;
} else {
log.error('Senders', `Sending message to ${msg.listId}:${msg.email} failed with error: ${err.message}.`);
log.verbose(err.stack);
}
}
}
running = false;
sendToMaster('messages-processed', { withErrors });
}
async function processQueuedMessages(sendConfigurationId, messages) {
if (running) {
log.error('Senders', `Worker ${workerId} assigned work while working`);
return;
}
running = true;
let withErrors = false;
for (const msg of messages) {
const queuedMessage = msg.queuedMessage;
const msgData = queuedMessage.data;
let target = '';
if (msgData.listId && msgData.subscriptionId) {
target = `${msgData.listId}:${msgData.subscriptionId}`;
} else if (msgData.to) {
if (msgData.to.name && msgData.to.address) {
target = `${msgData.to.name} <${msgData.to.address}>`;
} else if (msgData.to.address) {
target = msgData.to.address;
} else {
target = msgData.to.toString();
}
}
try {
await messageSender.sendQueuedMessage(queuedMessage);
log.verbose('Senders', `Message sent and status updated for ${target}`);
} catch (err) {
if (err instanceof mailers.SendConfigurationError) {
log.error('Senders', `Sending message to ${target} failed with error: ${err.message}. Will retry the message if within retention interval.`);
withErrors = true;
break;
} else {
log.error('Senders', `Sending message to ${target} failed with error: ${err.message}. Dropping the message.`);
log.verbose(err.stack);
try {
await messageSender.dropQueuedMessage(queuedMessage);
} catch (err) {
log.error(err.stack);
}
}
}
}
running = false;
sendToMaster('messages-processed', { withErrors });
}
function sendToMaster(msgType, data) {
process.send({
type: msgType,
data
});
}
process.on('message', msg => {
if (msg) {
const type = msg.type;
if (type === 'reload-config') {
mailers.invalidateMailer(msg.data.sendConfigurationId);
} else if (type === 'process-campaign-messages') {
// noinspection JSIgnoredPromiseFromCall
processCampaignMessages(msg.data.campaignId, msg.data.messages)
} else if (type === 'process-queued-messages') {
// noinspection JSIgnoredPromiseFromCall
processQueuedMessages(msg.data.sendConfigurationId, msg.data.messages)
}
}
});
if (config.title) {
process.title = config.title + ': sender/worker ' + workerId;
}
sendToMaster('worker-started');