def pricePerPublication()

in src/main/scala/com/gu/invoicing/preview/Impl.scala [275:296]

• 21 lines of code
• 8 McCabe index (conditional complexity)

  def pricePerPublication(invoiceItem: InvoiceItem): Double = {
    def round2Places(d: Double): Double = BigDecimal(d).setScale(2, RoundingMode.UP).toDouble
    def roundedWeeks(weeks: Long): Long = weeks match {
      case 12 | 13 => 13 // Quarter
      case 51 | 52 => 52 // Annual
      case 25 | 26 => 26 // Semi_annual
      case 3 | 4 => 4 // Month
      case 5 | 6 => 6 // 6 for 6
      case 7 =>
        6 // 6 for 6 (7 weeks billing period might happen during Christmas time when have to extend to account for missing issue)
      case v =>
        log(invoiceItem, s"WARN: Check publication price for unusual billing period of $weeks"); v
    }

    val approxBillingPeriodInWeeks = roundedWeeks(
      WEEKS.between( // plus one because between is exclusive on right bound but serviceEndDate is inclusive
        invoiceItem.serviceStartDate,
        invoiceItem.serviceEndDate.plusDays(1),
      ),
    )
    round2Places(invoiceItem.chargeAmount / approxBillingPeriodInWeeks)
  }