redis-smq
Version:
A simple high-performance Redis message queue for Node.js.
54 lines • 2.67 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.RequeueWorker = void 0;
const redis_keys_1 = require("../common/redis-keys/redis-keys");
const message_1 = require("../lib/message/message");
const redis_smq_common_1 = require("redis-smq-common");
class RequeueWorker extends redis_smq_common_1.Worker {
constructor(redisClient, managed) {
super(managed);
this.work = (cb) => {
const { keyRequeueMessages } = this.redisKeys;
this.redisClient.lrange(keyRequeueMessages, 0, 99, (err, reply) => {
if (err)
cb(err);
else {
const messages = reply !== null && reply !== void 0 ? reply : [];
if (messages.length) {
const multi = this.redisClient.multi();
redis_smq_common_1.async.each(messages, (messageStr, _, done) => {
const message = message_1.Message.createFromMessage(messageStr);
const queue = message.getDestinationQueue();
const { keyQueuePending, keyQueuePendingPriorityMessageWeight } = redis_keys_1.redisKeys.getQueueKeys(queue);
multi.lrem(keyRequeueMessages, 1, messageStr);
message.getRequiredMessageState().incrAttempts();
if (message.hasPriority()) {
const priority = message.getPriority();
if (priority === null)
done(new redis_smq_common_1.errors.PanicError(`Expected a non-empty message priority value`));
else {
multi.zadd(keyQueuePendingPriorityMessageWeight, priority, JSON.stringify(message));
}
}
else
multi.lpush(keyQueuePending, JSON.stringify(message));
done();
}, (err) => {
if (err)
cb(err);
else
multi.exec((err) => cb(err));
});
}
else
cb();
}
});
};
this.redisClient = redisClient;
this.redisKeys = redis_keys_1.redisKeys.getMainKeys();
}
}
exports.RequeueWorker = RequeueWorker;
exports.default = RequeueWorker;
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