read basisamount

library/src/main/java/org/mustangproject/Charge.java

@@ -24,6 +24,10 @@ public class Charge implements IZUGFeRDAllowanceCharge {
 	 * the absolute value if not percentage
 	 */
 	protected BigDecimal totalAmount;
+	/**
+	 * the value the percentage is applied upon
+	 */
+	protected BigDecimal basisAmount;
 	/**
 	 * the tax rate the charge belongs to
 	 */
@@ -104,6 +108,22 @@ public class Charge implements IZUGFeRDAllowanceCharge {
 	}
 
 
+	@Override
+	public BigDecimal getBasisAmount() {
+		return basisAmount;
+	}
+
+	/***
+	 * sets a potential basis for the potential percentage
+	 * @param basis the basis amount
+	 * @return fluid setter
+	 */
+	public Charge setBasisAmount(BigDecimal basis) {
+		this.basisAmount = basis;
+		return this;
+	}
+
+
 	@Override
 	public String getReasonCode() {
 		return reasonCode;

library/src/main/java/org/mustangproject/Item.java

@@ -97,7 +97,6 @@ public class Item implements IZUGFeRDExportableItem {
 			//icnm.getNode("AdditionalItemProperty").flatMap(n ->n.getAttributes()).ifPresent(product::setAttributes);
 
 
-
 			icnm.getAsNodeMap("ClassifiedTaxCategory").flatMap(m -> m.getAsBigDecimal("Percent"))
 				.ifPresent(product::setVATPercent);
 		});
@@ -136,8 +135,6 @@ public class Item implements IZUGFeRDExportableItem {
 			.ifPresent(this::addNote);
 
 
-
-
 		itemMap.getAsNodeMap("SpecifiedLineTradeAgreement", "SpecifiedSupplyChainTradeAgreement").ifPresent(icnm -> {
 			icnm.getAsNodeMap("BuyerOrderReferencedDocument")
 				.flatMap(bordNodes -> bordNodes.getAsString("LineID"))
@@ -181,6 +178,7 @@ public class Item implements IZUGFeRDExportableItem {
 					String isChargeString = ci.getAsString("Indicator").get();
 					String percentString = stac.getAsStringOrNull("CalculationPercent");
 					String amountString = stac.getAsStringOrNull("ActualAmount");
+					String basisAmountString = stac.getAsStringOrNull("BasisAmount");
 					String reason = stac.getAsStringOrNull("Reason");
 					Charge izac = new Charge();
 					if (isChargeString.equalsIgnoreCase("false")) {
@@ -191,6 +189,9 @@ public class Item implements IZUGFeRDExportableItem {
 					if (amountString != null) {
 						izac.setTotalAmount(new BigDecimal(amountString));
 					}
+					if (basisAmountString != null) {
+						izac.setBasisAmount(new BigDecimal(basisAmountString));
+					}
 					if (percentString != null) {
 						izac.setPercent(new BigDecimal(percentString));
 					}
@@ -380,6 +381,7 @@ public class Item implements IZUGFeRDExportableItem {
 			}
 		}
 	}
+
 	/***
 	 * jackson convenience method
 	 */

library/src/main/java/org/mustangproject/ZUGFeRD/IZUGFeRDAllowanceCharge.java

@@ -38,6 +38,12 @@ public interface IZUGFeRDAllowanceCharge {
 	 */
 	default BigDecimal getPercent() {return null;}
 
+	/***
+	 * returns a basis the precentage is calculated from
+	 * @return null or the basis
+	 */
+	default BigDecimal getBasisAmount() {return null;}
+
 	/***
 	 * get a description for the allowance/charge
 	 * @return the description

library/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRDInvoiceImporter.java

@@ -962,6 +962,7 @@ public class ZUGFeRDInvoiceImporter {
 				NodeList chargeNodeChilds = chargeNodes.item(i).getChildNodes();
 				boolean isCharge = true;
 				String chargeAmount = null;
+				String basisAmount = null;
 				String reason = null;
 				String reasonCode = null;
 				String taxPercent = null;
@@ -989,6 +990,8 @@ public class ZUGFeRDInvoiceImporter {
 
 						} else if (chargeChildName.equals("ActualAmount") || chargeChildName.equals("Amount")) {
 							chargeAmount = XMLTools.trimOrNull(chargeNodeChilds.item(chargeChildIndex));
+						} else if (chargeChildName.equals("BasisAmount"))  {
+							basisAmount = XMLTools.trimOrNull(chargeNodeChilds.item(chargeChildIndex));
 						} else if (chargeChildName.equals("Reason") || chargeChildName.equals("AllowanceChargeReason")) {
 							reason = XMLTools.trimOrNull(chargeNodeChilds.item(chargeChildIndex));
 						} else if (chargeChildName.equals("ReasonCode") || chargeChildName.equals("AllowanceChargeReasonCode")) {
@@ -1016,6 +1019,9 @@ public class ZUGFeRDInvoiceImporter {
 					if (taxPercent != null) {
 						c.setTaxPercent(new BigDecimal(taxPercent));
 					}
+					if (basisAmount != null) {
+						c.setBasisAmount(new BigDecimal(basisAmount));
+					}
 					zpp.addCharge(c);
 				} else {
 					Allowance a = new Allowance(new BigDecimal(chargeAmount));
@@ -1028,6 +1034,9 @@ public class ZUGFeRDInvoiceImporter {
 					if (taxPercent != null) {
 						a.setTaxPercent(new BigDecimal(taxPercent));
 					}
+					if (basisAmount != null) {
+						a.setBasisAmount(new BigDecimal(basisAmount));
+					}
 					zpp.addAllowance(a);
 				}