FacetValueChecker

@vendure/core facet-value-checker.ts

The FacetValueChecker is a helper class used to determine whether a given OrderLine consists of ProductVariants containing the given FacetValues.

Example

import { FacetValueChecker, LanguageCode, PromotionCondition, TransactionalConnection } from '@vendure/core';

let facetValueChecker: FacetValueChecker;

export const hasFacetValues = new PromotionCondition({
  code: 'at_least_n_with_facets',
  description: [
    { languageCode: LanguageCode.en, value: 'Buy at least { minimum } products with the given facets' },
  ],
  args: {
    minimum: { type: 'int' },
    facets: { type: 'ID', list: true, ui: { component: 'facet-value-form-input' } },
  },
  init(injector) {
    facetValueChecker = injector.get(FacetValueChecker);
  },
  async check(ctx, order, args) {
    let matches = 0;
    for (const line of order.lines) {
      if (await facetValueChecker.hasFacetValues(line, args.facets)) {
          matches += line.quantity;
      }
    }
    return args.minimum <= matches;
  },
});

Signature
class FacetValueChecker implements OnModuleInit {
    constructor(connection: TransactionalConnection, cacheService: CacheService, eventBus?: EventBus)
    onModuleInit() => any;
    hasFacetValues(orderLine: OrderLine, facetValueIds: ID[], ctx?: RequestContext) => Promise<boolean>;
}

Implements: OnModuleInit

constructor

method

(connection: TransactionalConnection, cacheService: CacheService, eventBus?: EventBus) => FacetValueChecker

onModuleInit

method

() => any

hasFacetValues

method

(orderLine: OrderLine, facetValueIds: ID[], ctx?: RequestContext) => Promise<boolean>

Checks a given OrderLine against the facetValueIds and returns true if the associated ProductVariant & Product together have all the specified FacetValues.