@devx-commerce/plugin-loyalty

Version:
A starter for Medusa plugins.
53 lines • 4.39 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.refreshLoyaltyWorkflow = void 0;
const workflows_sdk_1 = require("@medusajs/framework/workflows-sdk");
const core_flows_1 = require("@medusajs/medusa/core-flows");
const query_config_1 = require("../../api/store/carts/query-config");
const locking_1 = require("../locking");
const apply_loyalty_on_cart_1 = require("./apply-loyalty-on-cart");
const remove_loyalty_from_cart_1 = require("./remove-loyalty-from-cart");
const validate_loyalty_exist_1 = require("./steps/validate-loyalty-exist");
exports.refreshLoyaltyWorkflow = (0, workflows_sdk_1.createWorkflow)("refresh-loyalty", (input) => {
    // `acquireLockStep` takes SECONDS, not milliseconds. The previous values
    // (30000 / 120000) were read as seconds, so the acquire retry loop ran for
    // ~347 days instead of 30s and the lock TTL was ~3.8 years instead of 2min —
    // a crashed holder would never release its key.
    //
    // The TTL is the safety valve for a crashed holder, but it is ALSO a
    // correctness hazard: if this workflow outlives its own TTL, Redis drops the
    // key while the workflow is still running and the next request acquires
    // cleanly — two concurrent applies on one cart, which is what attaches two
    // loyalty promotions and orphans one.
    //
    // 120s sits well above the real runtime (UAT measured median ~1s, max ~10.3s
    // on slower-than-prod hardware) while still freeing a crashed holder's key
    // in two minutes. Do not lower it without re-measuring.
    (0, locking_1.acquireLockStep)({
        key: input.cart_id,
        timeout: 30,
        ttl: 120,
    });
    const { data: carts } = (0, core_flows_1.useQueryGraphStep)({
        entity: "cart",
        fields: query_config_1.cartFields,
        filters: { id: input.cart_id },
        options: { throwIfKeyNotFound: true },
    });
    const loyaltyAppliedToCart = (0, validate_loyalty_exist_1.validateLoyaltyExistStep)({
        cart: carts[0],
    });
    remove_loyalty_from_cart_1.removeLoyaltyFromCartWorkflow.runAsStep({
        input: { cart_id: input.cart_id },
    });
    (0, workflows_sdk_1.when)({ loyaltyAppliedToCart }, (result) => result.loyaltyAppliedToCart).then(() => {
        apply_loyalty_on_cart_1.applyLoyaltyOnCartWorkflow.runAsStep({
            input: { cart_id: input.cart_id },
        });
    });
    (0, locking_1.releaseLockStep)({
        key: input.cart_id,
    });
    return new workflows_sdk_1.WorkflowResponse({});
});
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