def ratePlanChargePairs()

in lambda/src/main/scala/pricemigrationengine/model/AmendmentData.scala [98:115]

• 14 lines of code
• 4 McCabe index (conditional complexity)

  def ratePlanChargePairs(
      catalogue: ZuoraProductCatalogue,
      ratePlanCharges: Seq[ZuoraRatePlanCharge]
  ): Either[DataExtractionFailure, Seq[RatePlanChargePair]] = {
    /*
     * distinct because where a sub has a discount rate plan,
     * the same discount will appear against each product rate plan charge in the invoice preview.
     */
    val pairs = ratePlanCharges.distinctBy(_.productRatePlanChargeId).map(rp => ratePlanChargePair(catalogue, rp))
    val failures = pairs.collect { case Left(failure) => failure }
    if (failures.isEmpty) Right(pairs.collect { case Right(pricing) => pricing })
    else
      Left(
        DataExtractionFailure(
          s"[AmendmentData] Failed to find matching product rate plan charges for rate plan charges: ${failures.mkString(", ")}"
        )
      )
  }