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feat: close DS study coverage gaps (inventory exclusion, live checkout re-validation, per-day cap, payment fn, checkout ext)
Audited the implementation against DS_Delivery_Date_Time_App_Study.docx and
closed the actionable gaps (see IMPLEMENTATION_REVIEW_2026-09-04.md).

Core (code + unit tests, 156 green):
- Wire excludeLocationsWithoutStock into resolveAvailabilityRequest; widget
  now sends variantIds so inventory-based location exclusion actually runs.
- Live slot re-validation at checkout: new checkout-snapshot.server.ts writes
  a shop-metafield capacity snapshot; validation-slot's evaluateCheckout
  rejects a complete selection that has since filled / blacked out / closed /
  hit the daily cap / left the schedule. Refreshed on order webhooks and
  slot/blackout/location/enforcement edits.
- Scopable checkout enforcement: Shop.enforcementMode (all|tagged|off) +
  enforcementTag, new app.settings.tsx admin page, honoured via the snapshot.
- Per-day order cap: Location.dailyOrderCap threaded through getAvailability
  (dailyCap + consumedPerDate); admin field on the location screen.
- Product-rule slot blocking: ProductRule.blockedStartMins, unioned in
  resolveProductRuleConstraints, enforced in the engine and resolveHoldRequest;
  admin field on the product rules screen.
- Product-page placement: product-availability.liquid block + widget
  data-mode="preview" (read-only earliest-date line).
- Second locale: datetime-widget fr.json / fr.schema.json.
- Migration 20260904120000_review_gaps (apply with prisma migrate deploy).

New Functions (source + unit tests; need `shopify app deploy` to ship):
- extensions/payment-customization: cart.payment-methods.transform.run — hides
  cash-on-delivery / pay-in-store gateways on SHIPPING orders.
- extensions/checkout-datetime/src: restored from a gitignored dist-only state
  — Plus native picker + Thank you / Order status confirmation blocks, all
  calling the existing checkout.scheduling.* routes (one capacity pool).
  tsconfig ships checkJs:false pending reconciliation with live checkout types.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-04 01:31:02 -04:00

31 lines
1.5 KiB
JavaScript

// @ts-check
// Pure decision logic, kept separate from the run.js adapter so it's
// unit-testable directly with plain Vitest (see
// tests/unit/payment-customization.test.ts at the repo root) with no WASM
// build.
//
// Study §5.2 / DS parity: "payment options can be adjusted based on the
// fulfillment method chosen — e.g. hiding cash-on-delivery for a shipped
// order." A shipped order leaves the store before it's paid in person, so
// cash-on-delivery / pay-in-store gateways make no sense for it; pickup and
// local delivery keep every method.
/** Matches the common names Shopify merchants give manual "pay later / in person" gateways. */
export const DEFAULT_HIDE_PATTERN = /cash on delivery|\bc\.?o\.?d\.?\b|pay on delivery|pay on pickup|pay in store|pay in person/i;
/**
* @param {Record<string, string | null | undefined>} attributes The cart's dd_* attributes.
* @param {string[]} paymentMethodNames Names of every payment method offered at checkout.
* @param {{ pattern?: RegExp }} [options]
* @returns {string[]} the subset of `paymentMethodNames` that should be hidden.
*/
export function paymentMethodNamesToHide(attributes, paymentMethodNames, options = {}) {
const pattern = options.pattern ?? DEFAULT_HIDE_PATTERN;
// Only shipped orders lose the pay-in-person options. No selection yet, or
// pickup/local delivery → touch nothing.
if (attributes.dd_method !== "SHIPPING") return [];
return paymentMethodNames.filter((name) => typeof name === "string" && pattern.test(name));
}