def getInvoiceItemAdjustments()

in src/main/scala/com/gu/invoicing/refund/Impl.scala [226:244]

• 13 lines of code
• 1 McCabe index (conditional complexity)

  def getInvoiceItemAdjustments(invoiceId: String): List[InvoiceItemAdjustment] =
    post[InvoiceItemAdjustmentsQueryResult](
      s"$zuoraApiHost/v1/action/query",
      s"""{"queryString": "select Id, InvoiceId, InvoiceItemName, SourceId, SourceType, Status, Type, Amount FROM InvoiceItemAdjustment where InvoiceId = '$invoiceId'"}""",
    ).records

  /** Zuora uses Half Up rounding to two decimal places with rounding increment of 0.1 Corresponds to rounding rules
    * specified under Zuora | Billing Settings | Customize Currencies
    */
  def roundHalfUp(x: BigDecimal): BigDecimal = x.setScale(2, BigDecimal.RoundingMode.HALF_UP)

  // https://knowledgecenter.zuora.com/Billing/Billing_and_Payments/TB_Rounding_and_Precision
  def roundAdjustments(
      adjustments: List[InvoiceItemAdjustmentWrite],
  ): List[InvoiceItemAdjustmentWrite] = {
    adjustments
      .filter(a => roundHalfUp(a.Amount) != 0)
      .map(a => a.copy(Amount = roundHalfUp(a.Amount)))
  }