support document level charges/allowances in invoiceimporter

History.md

@@ -54,13 +54,11 @@ switch
 
 ### 2.0 still todo
 - dont show empty tax number field
-- new sample invoice
-- *visualizer to work with Extended profile
-- *visualizer tests
+- fail when no bankverbindung?
+- fail when xr attrs missing?
+- build xr skonto???
 - *validator not to XR error on ZF files (only notices)
-- *from A3 does not seem tow ork see mustangreaderwriteredgetest:testedgeexport
 - xmp errors may not show correctly in log
-- finalize invoiceimporter 
 Alpha3 2020-10-24
 Alpha2 2020-09-15
 Alpha1 2020-08-06

Release_Notes.md

@@ -145,7 +145,7 @@ but there is also the new invoiceImporter
 		assertEquals("Spielkreis", invoice.getRecipient().getLocation());
 
 		TransactionCalculator tc=new TransactionCalculator(invoice);
-		assertEquals(new BigDecimal("571.040000"),tc.getTotalGross());
+		assertEquals(new BigDecimal("571.04"),tc.getTotalGross());
 
 ``` 
 

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

@@ -1,6 +1,7 @@
 package org.mustangproject.ZUGFeRD;
 
 import java.math.BigDecimal;
+import java.math.RoundingMode;
 import java.util.HashMap;
 
 /***
@@ -30,7 +31,7 @@ public class TransactionCalculator implements IAbsoluteValueProvider {
 			VATAmount amount = VATPercentAmountMap.get(currentTaxPercent);
 			res = res.add(amount.getCalculated());
 		}
-		return res;
+		return res.setScale(2, RoundingMode.HALF_UP);
 	}
 
 	/***

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

@@ -40,6 +40,13 @@ public class ZUGFeRDInvoiceImporter extends ZUGFeRDImporter {
 				"//*[local-name()=\"ExchangedDocument\"]");
 		NodeList ExchangedDocumentNodes = (NodeList) xpr.evaluate(getDocument(), XPathConstants.NODESET);
 
+		xpr = xpath.compile(
+				"//*[local-name()=\"GrandTotalAmount\"]");
+		BigDecimal expectedGrandTotal = null;
+		NodeList totalNodes = (NodeList) xpr.evaluate(getDocument(), XPathConstants.NODESET);
+		if (totalNodes.getLength() > 0) {
+			expectedGrandTotal = new BigDecimal(totalNodes.item(0).getTextContent());
+		}
 
 		Date issueDate = null;
 		Date dueDate = null;
@@ -192,6 +199,70 @@ public class ZUGFeRDInvoiceImporter extends ZUGFeRDImporter {
 
 		}
 
+		// item level charges+allowances are not yet handled but a lower item price will be read,
+		// so the invoice remains arithmetically correct
+		// -> parse document level charges+allowances
+		xpr = xpath.compile(
+				"//*[local-name()=\"SpecifiedTradeAllowanceCharge\"]");
+		NodeList chargeNodes = (NodeList) xpr.evaluate(getDocument(), XPathConstants.NODESET);
+		for (int i = 0; i < chargeNodes.getLength(); i++) {
+			NodeList chargeNodeChilds = chargeNodes.item(i).getChildNodes();
+			boolean isCharge = true;
+			String chargeAmount = null;
+			String reason = null;
+			String taxPercent = null;
+			for (int chargeChildIndex = 0; chargeChildIndex < chargeNodeChilds.getLength(); chargeChildIndex++) {
+				if (chargeNodeChilds.item(chargeChildIndex).getNodeName().equals("ram:ChargeIndicator")) {
+					NodeList indicatorChilds = chargeNodeChilds.item(chargeChildIndex).getChildNodes();
+					for (int indicatorChildIndex = 0; indicatorChildIndex < indicatorChilds.getLength(); indicatorChildIndex++) {
+						if (indicatorChilds.item(indicatorChildIndex).getNodeName().equals("udt:Indicator")) {
+							isCharge = indicatorChilds.item(indicatorChildIndex).getTextContent().equalsIgnoreCase("true");
+						}
+					}
+				} else if (chargeNodeChilds.item(chargeChildIndex).getNodeName().equals("ram:ActualAmount")) {
+					chargeAmount = chargeNodeChilds.item(chargeChildIndex).getTextContent();
+				} else if (chargeNodeChilds.item(chargeChildIndex).getNodeName().equals("ram:Reason")) {
+					reason = chargeNodeChilds.item(chargeChildIndex).getTextContent();
+				} else if (chargeNodeChilds.item(chargeChildIndex).getNodeName().equals("ram:CategoryTradeTax")) {
+					NodeList taxChilds = chargeNodeChilds.item(chargeChildIndex).getChildNodes();
+					for (int taxChildIndex = 0; taxChildIndex < taxChilds.getLength(); taxChildIndex++) {
+						if (taxChilds.item(taxChildIndex).getNodeName().equals("ram:RateApplicablePercent")) {
+							taxPercent = taxChilds.item(taxChildIndex).getTextContent();
+						}
+					}
+				}
+
+			}
+
+
+			if (isCharge) {
+				Charge c = new Charge(new BigDecimal(chargeAmount));
+				if (reason != null) {
+					c.setReason(reason);
+				}
+				if (taxPercent != null) {
+					c.setTaxPercent(new BigDecimal(taxPercent));
+				}
+
+				zpp.addCharge(c);
+			} else {
+				Allowance a = new Allowance(new BigDecimal(chargeAmount));
+				if (reason != null) {
+					a.setReason(reason);
+				}
+				if (taxPercent != null) {
+					a.setTaxPercent(new BigDecimal(taxPercent));
+				}
+				zpp.addAllowance(a);
+			}
+
+		}
+
+		TransactionCalculator tc = new TransactionCalculator(zpp);
+		String expectedStringTotalGross = tc.getTotalGross().toPlainString();
+		if (!expectedStringTotalGross.equals(XMLTools.nDigitFormat(expectedGrandTotal, 2))) {
+			throw new ParseException("Could not reproduce the invoice, this could mean that it could not be read properly", 0);
+		}
 
 		return zpp;
 	}

library/src/test/java/org/mustangproject/ZUGFeRD/ZF2ZInvoiceImporterTest.java

@@ -41,11 +41,10 @@ import java.util.GregorianCalendar;
  * used for this import, testout-ZF2New.pdf
  */
 public class ZF2ZInvoiceImporterTest extends TestCase  {
-	final String TARGET_PDF = "./target/testout-ZF2new.pdf";
 
 	public void testInvoiceImport() {
 
-		ZUGFeRDInvoiceImporter zii=new ZUGFeRDInvoiceImporter(TARGET_PDF);
+		ZUGFeRDInvoiceImporter zii=new ZUGFeRDInvoiceImporter("./target/testout-ZF2new.pdf");
 
 		boolean hasExceptions=false;
 		Invoice invoice=null;
@@ -82,7 +81,44 @@ public class ZF2ZInvoiceImporterTest extends TestCase  {
 		assertEquals("Stadthausen", invoice.getSender().getLocation());
 
 		TransactionCalculator tc=new TransactionCalculator(invoice);
-		assertEquals(new BigDecimal("571.040000"),tc.getTotalGross());
+		assertEquals(new BigDecimal("571.04"),tc.getTotalGross());
+
+
+		// name street location zip country, contact name phone email, total amount
+
+
+
+	}
+	public void testItemAllowancesChargesImport() {
+
+		ZUGFeRDInvoiceImporter zii=new ZUGFeRDInvoiceImporter("./target/testout-ZF2PushItemChargesAllowances.pdf");
+
+		boolean hasExceptions=false;
+		Invoice invoice=null;
+		try {
+			invoice=zii.extractInvoice();
+		} catch (XPathExpressionException | ParseException e) {
+			hasExceptions=true;
+		}
+		assertFalse(hasExceptions);
+		TransactionCalculator tc=new TransactionCalculator(invoice);
+		assertEquals(new BigDecimal("18.33"),tc.getTotalGross());
+	}
+
+	public void testAllowancesChargesImport() {
+
+		ZUGFeRDInvoiceImporter zii=new ZUGFeRDInvoiceImporter("./target/testout-ZF2PushChargesAllowances.pdf");
+
+		boolean hasExceptions=false;
+		Invoice invoice=null;
+		try {
+			invoice=zii.extractInvoice();
+		} catch (XPathExpressionException | ParseException e) {
+			hasExceptions=true;
+		}
+		assertFalse(hasExceptions);
+		TransactionCalculator tc=new TransactionCalculator(invoice);
+		assertEquals(new BigDecimal("11.07"),tc.getTotalGross());
 
 
 		// name street location zip country, contact name phone email, total amount
@@ -91,4 +127,5 @@ public class ZF2ZInvoiceImporterTest extends TestCase  {
 
 	}
 
+
 }