@penkov/tasks_queue/dist/multi-step-payload.js

A lightweight PostgreSQL-backed task queue system with scheduling, retries, backoff strategies, and priority handling. Designed for efficiency and observability in modern Node.js applications.

import { none, option } from "scats";
import { ActiveChildState } from "./active-child-state.js";
export class MultiStepPayload {
    activeChild;
    workflowPayload;
    userPayload;
    static forUserPayload(userPayload) {
        return new MultiStepPayload(none, {}, userPayload);
    }
    constructor(activeChild, workflowPayload, userPayload) {
        this.activeChild = activeChild;
        this.workflowPayload = workflowPayload;
        this.userPayload = userPayload;
    }
    copy(o) {
        return new MultiStepPayload(option(o.activeChild).getOrElseValue(this.activeChild), option(o.workflowPayload).getOrElseValue(this.workflowPayload), option(o.userPayload).getOrElseValue(this.userPayload));
    }
    get toJson() {
        const res = {
            workflowPayload: this.workflowPayload,
            userPayload: this.userPayload,
        };
        this.activeChild.foreach((activeChild) => {
            res["activeChild"] = activeChild.toJson;
        });
        return res;
    }
    static fromJson(j) {
        const o = option(j).map((x) => x);
        return new MultiStepPayload(o.flatMap((x) => ActiveChildState.fromJson(x["activeChild"]).match({
            some: (activeChild) => option(activeChild),
            none: () => option(x["activeChildId"]).map((taskId) => new ActiveChildState(Number(taskId))),
        })), o
            .flatMap((x) => option(x["workflowPayload"]))
            .map((x) => x)
            .getOrElseValue({}), o
            .flatMap((x) => option(x["userPayload"]))
            .getOrElseValue({}));
    }
}