pricing-calculation-gem-using-repository.rb

module PricingEngine
  class Engine
    # @param repository [PricingEngine::PricingRepositoryInterface] environment specific functions to
    # access db and cache data.
    #
    # @return [void]
    def initialize(repository)
      @repository = repository
    end

    #...
    # Calculates the price for variants given the buyer context.
    #
    # @param context [Schema::BuyerContext] the buyer context.
    #
    # @return [Array<PricingEngine::Schema::Price>] An array of prices for the context passed.
    def calculate_prices_for_variants(context)
      variant_ids = get_variant_ids_from_context(context)
      variants = @repository.variants_by_ids(variant_ids)
      process(variants)
    end
  end
end