redis-smq
Version:
A simple high-performance Redis message queue for Node.js.
76 lines • 3.81 kB
JavaScript
import { async, CallbackEmptyReplyError, PanicError, } from 'redis-smq-common';
import { ELuaScriptName } from '../../../common/redis-client/scripts/scripts.js';
import { redisKeys } from '../../../common/redis-keys/redis-keys.js';
import { _getMessage } from '../../message/_/_get-message.js';
import { EMessageProperty, EMessagePropertyStatus, } from '../../message/index.js';
import { EQueueProperty } from '../../queue/index.js';
import { Worker } from './worker.js';
class DelayUnacknowledgedWorker extends Worker {
work = (cb) => {
const { keyQueueDelayed, keyQueueScheduled, keyQueueProperties, keyQueueMessages, } = redisKeys.getQueueKeys(this.queueParsedParams.queueParams, this.queueParsedParams.groupId);
const redisClient = this.redisClient.getInstance();
if (redisClient instanceof Error) {
cb(redisClient);
return void 0;
}
redisClient.lrange(keyQueueDelayed, 0, 9, (err, reply) => {
if (err)
cb(err);
else {
const messageIds = reply ?? [];
if (messageIds.length) {
const keys = [];
const args = [
EQueueProperty.QUEUE_TYPE,
EQueueProperty.MESSAGES_COUNT,
EMessageProperty.MESSAGE,
EMessageProperty.STATUS,
EMessagePropertyStatus.SCHEDULED,
EMessageProperty.STATE,
'1',
];
async.each(messageIds, (messageId, _, done) => {
_getMessage(redisClient, messageId, (err, message) => {
if (err)
done(err);
else if (!message)
cb(new CallbackEmptyReplyError());
else {
const messageId = message.getId();
const { keyMessage } = redisKeys.getMessageKeys(messageId);
keys.push(keyQueueMessages, keyQueueProperties, keyMessage, keyQueueScheduled, keyQueueDelayed);
args.push(messageId, '');
const delay = message.producibleMessage.getRetryDelay();
const messageState = message.getMessageState();
messageState.incrAttempts();
messageState.setNextRetryDelay(delay);
const timestamp = message.getNextScheduledTimestamp();
args.push(timestamp, JSON.stringify(messageState));
done();
}
});
}, (err) => {
if (err)
cb(err);
else {
redisClient.runScript(ELuaScriptName.SCHEDULE_MESSAGE, keys, args, (err, reply) => {
if (err)
cb(err);
else if (!reply)
cb(new CallbackEmptyReplyError());
else if (reply !== 'OK')
cb(new PanicError(String(reply)));
else
cb();
});
}
});
}
else
cb();
}
});
};
}
export default (payload) => new DelayUnacknowledgedWorker(payload);
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