nodemailer-sequelize-queue
Version:
Queue for mails with nodemailer and cron scheduler
49 lines • 7.27 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
// import cron from 'node-cron'
const cron_1 = require("cron");
const logger_1 = __importDefault(require("./utils/logger"));
const generateRandom_1 = require("./utils/generateRandom");
class Scheduler {
constructor(smtpCredentials, queueModel, expression = '0 */1 * * *', maxAttemps = -1, logging = false, limit = 100, mailProcessor) {
if (!isCronValid(expression)) {
throw new Error('Cron expression is invalid');
}
this.limit = limit;
this.expression = expression;
this.maxAttemps = maxAttemps;
this.logging = logging;
this.runJobs();
this.queueModel = queueModel;
this.mailProcessor = mailProcessor;
}
async runJobs() {
this.log(`Initialising cron schedule ${this.expression}`);
await new Promise((resolve) => setTimeout(resolve, (0, generateRandom_1.generateRandom)(500, 2500)));
// eslint-disable-next-line @typescript-eslint/no-this-alias
const self = this;
const job = new cron_1.CronJob(this.expression, function () {
self.mailProcessor.processQueueMails().catch((e) => {
logger_1.default.error('Cron failed', {
message: e.message,
stack: e.stack,
});
});
});
job.start();
}
log(message, level = 'info') {
if (this.logging) {
logger_1.default.log(level, message);
}
}
}
function isCronValid(freq) {
const cronregex = new RegExp(/^(\*|([0-9]|1[0-9]|2[0-9]|3[0-9]|4[0-9]|5[0-9])|\*\/([0-9]|1[0-9]|2[0-9]|3[0-9]|4[0-9]|5[0-9])) (\*|([0-9]|1[0-9]|2[0-3])|\*\/([0-9]|1[0-9]|2[0-3])) (\*|([1-9]|1[0-9]|2[0-9]|3[0-1])|\*\/([1-9]|1[0-9]|2[0-9]|3[0-1])) (\*|([1-9]|1[0-2])|\*\/([1-9]|1[0-2])) (\*|([0-6])|\*\/([0-6]))$/);
return cronregex.test(freq);
}
exports.default = Scheduler;
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pcXC8oWzAtNl0pKSQvXG4gIClcbiAgcmV0dXJuIGNyb25yZWdleC50ZXN0KGZyZXEpXG59XG5cbmV4cG9ydCB0eXBlIExvY2tUeXBlID0gJ3RyYW5zYWN0aW9uJ1xuXG5leHBvcnQgZGVmYXVsdCBTY2hlZHVsZXJcbiJdfQ==