feat(ZUGFERD): Add dedicated ZUGFERD v1/v2 support and refine invoice format detection logic
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# Changelog
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# Changelog
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## 2025-04-03 - 4.1.0 - feat(ZUGFERD)
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Add dedicated ZUGFERD v1/v2 support and refine invoice format detection logic
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- Improve FormatDetector to differentiate between Factur-X, ZUGFERD v1, and ZUGFERD v2 formats
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- Introduce dedicated ZUGFERD decoder, encoder, and validator implementations
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- Update factories to use ZUGFERD-specific classes rather than reusing FacturX implementations
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- Enhance PDF XML extraction by consolidating multiple extractor strategies
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- Update module exports and documentation hints for improved testing and integration
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## 2025-03-20 - 3.0.1 - fix(test/pdf-export)
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## 2025-03-20 - 3.0.1 - fix(test/pdf-export)
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Improve PDF export tests with detailed logging and enhanced embedded file structure verification.
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Improve PDF export tests with detailed logging and enhanced embedded file structure verification.
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For testing use
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```typescript
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import {tap, expect} @push.rocks/tapbundle
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```
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tapbundle exports expect from @push.rocks/smartexpect
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You can find the readme here: https://code.foss.global/push.rocks/smartexpect/src/branch/master/readme.md
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Don't use shortcuts when doing things, e.g. creating sample data in order to not implement something correctly, or skipping tests, and calling it a day.
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It is ok to ask questions, if you are unsure about something.
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17
test/output/corpus-master-results.json
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17
test/output/corpus-master-results.json
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{
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"test.zugferd-corpus.ts": {
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"error": "No results file found"
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},
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"test.xml-rechnung-corpus.ts": {
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"error": "No results file found"
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},
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"test.other-formats-corpus.ts": {
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"error": "No results file found"
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},
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"test.validation-corpus.ts": {
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"error": "No results file found"
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},
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"test.circular-corpus.ts": {
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"error": "No results file found"
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}
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}
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test/output/corpus-summary.md
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test/output/corpus-summary.md
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# XInvoice Corpus Testing Summary
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Generated on: 2025-04-03T19:22:13.546Z
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## Overall Summary
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| Test | Success Rate | Files Tested |
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|------|--------------|-------------|
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| test.zugferd-corpus.ts | Error: No results file found | N/A |
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| test.xml-rechnung-corpus.ts | Error: No results file found | N/A |
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| test.other-formats-corpus.ts | Error: No results file found | N/A |
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| test.validation-corpus.ts | Error: No results file found | N/A |
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| test.circular-corpus.ts | Error: No results file found | N/A |
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26
test/output/other-formats-corpus-results.json
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26
test/output/other-formats-corpus-results.json
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{
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"peppol": {
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"success": 2,
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"fail": 0,
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"details": [
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{
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"file": "/mnt/data/lossless/fin.cx/xinvoice/test/assets/corpus/PEPPOL/Valid/Qvalia/Large_Invoice_sample1.xml",
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"success": true,
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"format": "xrechnung",
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"error": null
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},
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{
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"file": "/mnt/data/lossless/fin.cx/xinvoice/test/assets/corpus/PEPPOL/Valid/Qvalia/Large_Invoice_sample2.xml",
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"success": true,
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"format": "xrechnung",
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"error": null
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}
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]
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},
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"fatturapa": {
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"success": 0,
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"fail": 0,
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"details": []
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},
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"totalSuccessRate": 1
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}
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<?xml version="1.0" encoding="UTF-8"?>
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<?xml version="1.0" encoding="UTF-8"?>
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<rsm:CrossIndustryInvoice xmlns:rsm="urn:un:unece:uncefact:data:standard:CrossIndustryInvoice:100" xmlns:ram="urn:un:unece:uncefact:data:standard:ReusableAggregateBusinessInformationEntity:100" xmlns:udt="urn:un:unece:uncefact:data:standard:UnqualifiedDataType:100">
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<rsm:CrossIndustryInvoice xmlns:rsm="urn:un:unece:uncefact:data:standard:CrossIndustryInvoice:100" xmlns:ram="urn:un:unece:uncefact:data:standard:ReusableAggregateBusinessInformationEntity:100" xmlns:udt="urn:un:unece:uncefact:data:standard:UnqualifiedDataType:100">
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<rsm:ExchangedDocumentContext><ram:GuidelineSpecifiedDocumentContextParameter><ram:ID>urn:cen.eu:en16931:2017</ram:ID></ram:GuidelineSpecifiedDocumentContextParameter></rsm:ExchangedDocumentContext><rsm:ExchangedDocument><ram:TypeCode>380</ram:TypeCode><ram:ID>PDF-1743698313420</ram:ID><ram:IssueDateTime><udt:DateTimeString format="102">20250403</udt:DateTimeString></ram:IssueDateTime></rsm:ExchangedDocument><rsm:SupplyChainTradeTransaction><ram:ApplicableHeaderTradeAgreement><ram:SellerTradeParty><ram:Name>PDF Seller</ram:Name><ram:PostalTradeAddress><ram:LineOne/><ram:LineTwo>0</ram:LineTwo><ram:PostcodeCode/><ram:CityName/><ram:CountryID/></ram:PostalTradeAddress></ram:SellerTradeParty><ram:BuyerTradeParty><ram:Name>PDF Buyer</ram:Name><ram:PostalTradeAddress><ram:LineOne/><ram:LineTwo>0</ram:LineTwo><ram:PostcodeCode/><ram:CityName/><ram:CountryID/></ram:PostalTradeAddress></ram:BuyerTradeParty></ram:ApplicableHeaderTradeAgreement><ram:ApplicableHeaderTradeDelivery/><ram:ApplicableHeaderTradeSettlement><ram:InvoiceCurrencyCode>EUR</ram:InvoiceCurrencyCode><ram:SpecifiedTradePaymentTerms><ram:DueDateDateTime><udt:DateTimeString format="102">20250503</udt:DateTimeString></ram:DueDateDateTime></ram:SpecifiedTradePaymentTerms><ram:SpecifiedTradeSettlementHeaderMonetarySummation><ram:LineTotalAmount>0.00</ram:LineTotalAmount><ram:TaxTotalAmount currencyID="EUR">0.00</ram:TaxTotalAmount><ram:GrandTotalAmount>0.00</ram:GrandTotalAmount><ram:DuePayableAmount>0.00</ram:DuePayableAmount></ram:SpecifiedTradeSettlementHeaderMonetarySummation></ram:ApplicableHeaderTradeSettlement></rsm:SupplyChainTradeTransaction></rsm:CrossIndustryInvoice>
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<rsm:ExchangedDocumentContext><ram:GuidelineSpecifiedDocumentContextParameter><ram:ID>urn:cen.eu:en16931:2017</ram:ID></ram:GuidelineSpecifiedDocumentContextParameter></rsm:ExchangedDocumentContext><rsm:ExchangedDocument><ram:TypeCode>380</ram:TypeCode><ram:ID>471102</ram:ID><ram:IssueDateTime><udt:DateTimeString format="102">NaNNaNNaN</udt:DateTimeString></ram:IssueDateTime></rsm:ExchangedDocument><rsm:SupplyChainTradeTransaction><ram:ApplicableHeaderTradeAgreement><ram:SellerTradeParty><ram:Name>Lieferant GmbH</ram:Name><ram:PostalTradeAddress><ram:LineOne>Lieferantenstraße 20</ram:LineOne><ram:LineTwo>0</ram:LineTwo><ram:PostcodeCode>80333</ram:PostcodeCode><ram:CityName>München</ram:CityName><ram:CountryID>DE</ram:CountryID></ram:PostalTradeAddress><ram:SpecifiedTaxRegistration><ram:ID schemeID="VA">DE123456789</ram:ID></ram:SpecifiedTaxRegistration><ram:SpecifiedTaxRegistration><ram:ID schemeID="FC">201/113/40209</ram:ID></ram:SpecifiedTaxRegistration></ram:SellerTradeParty><ram:BuyerTradeParty><ram:Name>Kunden AG Mitte</ram:Name><ram:PostalTradeAddress><ram:LineOne>Kundenstraße 15</ram:LineOne><ram:LineTwo>0</ram:LineTwo><ram:PostcodeCode>69876</ram:PostcodeCode><ram:CityName>Frankfurt</ram:CityName><ram:CountryID>DE</ram:CountryID></ram:PostalTradeAddress></ram:BuyerTradeParty></ram:ApplicableHeaderTradeAgreement><ram:ApplicableHeaderTradeDelivery/><ram:ApplicableHeaderTradeSettlement><ram:InvoiceCurrencyCode>EUR</ram:InvoiceCurrencyCode><ram:SpecifiedTradePaymentTerms><ram:DueDateDateTime><udt:DateTimeString format="102">NaNNaNNaN</udt:DateTimeString></ram:DueDateDateTime></ram:SpecifiedTradePaymentTerms><ram:SpecifiedTradeSettlementHeaderMonetarySummation><ram:LineTotalAmount>473.00</ram:LineTotalAmount><ram:TaxTotalAmount currencyID="EUR">56.87</ram:TaxTotalAmount><ram:GrandTotalAmount>529.87</ram:GrandTotalAmount><ram:DuePayableAmount>529.87</ram:DuePayableAmount></ram:SpecifiedTradeSettlementHeaderMonetarySummation></ram:ApplicableHeaderTradeSettlement><ram:IncludedSupplyChainTradeLineItem><ram:AssociatedDocumentLineDocument><ram:LineID>1</ram:LineID></ram:AssociatedDocumentLineDocument><ram:SpecifiedTradeProduct><ram:Name>Trennblätter A4</ram:Name><ram:SellerAssignedID>TB100A4</ram:SellerAssignedID></ram:SpecifiedTradeProduct><ram:SpecifiedLineTradeAgreement><ram:NetPriceProductTradePrice><ram:ChargeAmount>9.90</ram:ChargeAmount></ram:NetPriceProductTradePrice></ram:SpecifiedLineTradeAgreement><ram:SpecifiedLineTradeDelivery><ram:BilledQuantity unitCode="H87">20</ram:BilledQuantity></ram:SpecifiedLineTradeDelivery><ram:SpecifiedLineTradeSettlement><ram:ApplicableTradeTax><ram:TypeCode>VAT</ram:TypeCode><ram:CategoryCode>S</ram:CategoryCode><ram:RateApplicablePercent>19</ram:RateApplicablePercent></ram:ApplicableTradeTax><ram:SpecifiedLineTradeSettlementMonetarySummation><ram:LineTotalAmount>198.00</ram:LineTotalAmount></ram:SpecifiedLineTradeSettlementMonetarySummation></ram:SpecifiedLineTradeSettlement></ram:IncludedSupplyChainTradeLineItem><ram:IncludedSupplyChainTradeLineItem><ram:AssociatedDocumentLineDocument><ram:LineID>2</ram:LineID></ram:AssociatedDocumentLineDocument><ram:SpecifiedTradeProduct><ram:Name>Joghurt Banane</ram:Name><ram:SellerAssignedID>ARNR2</ram:SellerAssignedID></ram:SpecifiedTradeProduct><ram:SpecifiedLineTradeAgreement><ram:NetPriceProductTradePrice><ram:ChargeAmount>5.50</ram:ChargeAmount></ram:NetPriceProductTradePrice></ram:SpecifiedLineTradeAgreement><ram:SpecifiedLineTradeDelivery><ram:BilledQuantity unitCode="H87">50</ram:BilledQuantity></ram:SpecifiedLineTradeDelivery><ram:SpecifiedLineTradeSettlement><ram:ApplicableTradeTax><ram:TypeCode>VAT</ram:TypeCode><ram:CategoryCode>S</ram:CategoryCode><ram:RateApplicablePercent>7</ram:RateApplicablePercent></ram:ApplicableTradeTax><ram:SpecifiedLineTradeSettlementMonetarySummation><ram:LineTotalAmount>275.00</ram:LineTotalAmount></ram:SpecifiedLineTradeSettlementMonetarySummation></ram:SpecifiedLineTradeSettlement></ram:IncludedSupplyChainTradeLineItem></rsm:SupplyChainTradeTransaction></rsm:CrossIndustryInvoice>
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{
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{
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"file": "/mnt/data/lossless/fin.cx/xinvoice/test/assets/corpus/ZUGFeRDv2/fail/FNFE-factur-x-examples/Avoir_FR_type380_EN16931.pdf",
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"file": "/mnt/data/lossless/fin.cx/xinvoice/test/assets/corpus/ZUGFeRDv2/fail/FNFE-factur-x-examples/Avoir_FR_type380_EN16931.pdf",
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"success": false,
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"success": false,
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"valid": null,
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"valid": true,
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"errors": null,
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"errors": [],
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"error": "Error: No XML found in PDF"
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"error": "Validation result (true) doesn't match expectation (false)"
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},
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},
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{
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{
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"file": "/mnt/data/lossless/fin.cx/xinvoice/test/assets/corpus/ZUGFeRDv2/fail/FNFE-factur-x-examples/Avoir_FR_type380_MINIMUM.pdf",
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"file": "/mnt/data/lossless/fin.cx/xinvoice/test/assets/corpus/ZUGFeRDv2/fail/FNFE-factur-x-examples/Avoir_FR_type380_MINIMUM.pdf",
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@@ -75,9 +75,9 @@
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{
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{
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"file": "/mnt/data/lossless/fin.cx/xinvoice/test/assets/corpus/ZUGFeRDv2/fail/FNFE-factur-x-examples/Avoir_FR_type381_EN16931.pdf",
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"file": "/mnt/data/lossless/fin.cx/xinvoice/test/assets/corpus/ZUGFeRDv2/fail/FNFE-factur-x-examples/Avoir_FR_type381_EN16931.pdf",
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"success": false,
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"success": false,
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"valid": null,
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"valid": true,
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"errors": null,
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"errors": [],
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"error": "Error: No XML found in PDF"
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"error": "Validation result (true) doesn't match expectation (false)"
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}
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}
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]
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]
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},
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},
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{
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{
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"file": "/mnt/data/lossless/fin.cx/xinvoice/test/assets/corpus/XML-Rechnung/CII/XRECHNUNG_Betriebskostenabrechnung.cii.xml",
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"file": "/mnt/data/lossless/fin.cx/xinvoice/test/assets/corpus/XML-Rechnung/CII/XRECHNUNG_Betriebskostenabrechnung.cii.xml",
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"success": true,
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"success": true,
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"format": "facturx",
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"format": "cii",
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"error": null
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"error": null
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},
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},
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{
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{
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"file": "/mnt/data/lossless/fin.cx/xinvoice/test/assets/corpus/XML-Rechnung/CII/XRECHNUNG_Einfach.cii.xml",
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"file": "/mnt/data/lossless/fin.cx/xinvoice/test/assets/corpus/XML-Rechnung/CII/XRECHNUNG_Einfach.cii.xml",
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"success": true,
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"success": true,
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"format": "facturx",
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"format": "cii",
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"error": null
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"error": null
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},
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},
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{
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{
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"file": "/mnt/data/lossless/fin.cx/xinvoice/test/assets/corpus/XML-Rechnung/CII/XRECHNUNG_Elektron.cii.xml",
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"file": "/mnt/data/lossless/fin.cx/xinvoice/test/assets/corpus/XML-Rechnung/CII/XRECHNUNG_Elektron.cii.xml",
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"success": true,
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"success": true,
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"format": "facturx",
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"format": "cii",
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"error": null
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"error": null
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},
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},
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{
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{
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"file": "/mnt/data/lossless/fin.cx/xinvoice/test/assets/corpus/XML-Rechnung/CII/XRECHNUNG_Reisekostenabrechnung.cii.xml",
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"file": "/mnt/data/lossless/fin.cx/xinvoice/test/assets/corpus/XML-Rechnung/CII/XRECHNUNG_Reisekostenabrechnung.cii.xml",
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"success": true,
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"success": true,
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"format": "facturx",
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"format": "cii",
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"error": null
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"error": null
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},
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},
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{
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ts/00_commitinfo_data.ts
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ts/00_commitinfo_data.ts
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/**
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* autocreated commitinfo by @push.rocks/commitinfo
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*/
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export const commitinfo = {
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name: '@fin.cx/xinvoice',
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version: '4.1.0',
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description: 'A TypeScript module for creating, manipulating, and embedding XML data within PDF files specifically tailored for xinvoice packages.'
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}
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*/
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*/
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public async loadPdf(pdfBuffer: Uint8Array | Buffer, validate: boolean = false): Promise<XInvoice> {
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public async loadPdf(pdfBuffer: Uint8Array | Buffer, validate: boolean = false): Promise<XInvoice> {
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try {
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try {
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// Extract XML from PDF
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// Extract XML from PDF using the consolidated extractor
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// which tries multiple extraction methods in sequence
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const xmlContent = await this.pdfExtractor.extractXml(pdfBuffer);
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const xmlContent = await this.pdfExtractor.extractXml(pdfBuffer);
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// Store the PDF buffer
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// Store the PDF buffer
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* CII-specific types and constants
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* CII-specific types and constants
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*/
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*/
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// CII namespaces
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// CII namespaces (ZUGFeRD v2/Factur-X)
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export const CII_NAMESPACES = {
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export const CII_NAMESPACES = {
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RSM: 'urn:un:unece:uncefact:data:standard:CrossIndustryInvoice:100',
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RSM: 'urn:un:unece:uncefact:data:standard:CrossIndustryInvoice:100',
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RAM: 'urn:un:unece:uncefact:data:standard:ReusableAggregateBusinessInformationEntity:100',
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RAM: 'urn:un:unece:uncefact:data:standard:ReusableAggregateBusinessInformationEntity:100',
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UDT: 'urn:un:unece:uncefact:data:standard:UnqualifiedDataType:100'
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UDT: 'urn:un:unece:uncefact:data:standard:UnqualifiedDataType:100'
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};
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};
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// ZUGFeRD v1 namespaces
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export const ZUGFERD_V1_NAMESPACES = {
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RSM: 'urn:ferd:CrossIndustryDocument:invoice:1p0',
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RAM: 'urn:un:unece:uncefact:data:standard:ReusableAggregateBusinessInformationEntity:12',
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UDT: 'urn:un:unece:uncefact:data:standard:UnqualifiedDataType:15'
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};
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// CII profiles
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// CII profiles
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export enum CIIProfile {
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export enum CIIProfile {
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BASIC = 'BASIC',
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BASIC = 'BASIC',
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@@ -20,10 +27,18 @@ export enum CIIProfile {
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// CII profile IDs for different formats
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// CII profile IDs for different formats
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export const CII_PROFILE_IDS = {
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export const CII_PROFILE_IDS = {
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// Factur-X profiles
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FACTURX_MINIMUM: 'urn:factur-x.eu:1p0:minimum',
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FACTURX_MINIMUM: 'urn:factur-x.eu:1p0:minimum',
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FACTURX_BASIC: 'urn:factur-x.eu:1p0:basicwl',
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FACTURX_BASIC: 'urn:factur-x.eu:1p0:basicwl',
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FACTURX_EN16931: 'urn:cen.eu:en16931:2017',
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FACTURX_EN16931: 'urn:cen.eu:en16931:2017',
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// ZUGFeRD v2 profiles
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ZUGFERD_BASIC: 'urn:zugferd:basic',
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ZUGFERD_BASIC: 'urn:zugferd:basic',
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ZUGFERD_COMFORT: 'urn:zugferd:comfort',
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ZUGFERD_COMFORT: 'urn:zugferd:comfort',
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ZUGFERD_EXTENDED: 'urn:zugferd:extended'
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ZUGFERD_EXTENDED: 'urn:zugferd:extended',
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// ZUGFeRD v1 profiles
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ZUGFERD_V1_BASIC: 'urn:ferd:CrossIndustryDocument:invoice:1p0:basic',
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ZUGFERD_V1_COMFORT: 'urn:ferd:CrossIndustryDocument:invoice:1p0:comfort',
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ZUGFERD_V1_EXTENDED: 'urn:ferd:CrossIndustryDocument:invoice:1p0:extended'
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};
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};
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220
ts/formats/cii/zugferd/zugferd.decoder.ts
Normal file
220
ts/formats/cii/zugferd/zugferd.decoder.ts
Normal file
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import { CIIBaseDecoder } from '../cii.decoder.js';
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import type { TInvoice, TCreditNote, TDebitNote } from '../../../interfaces/common.js';
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||||||
|
import { ZUGFERD_PROFILE_IDS } from './zugferd.types.js';
|
||||||
|
import { business, finance, general } from '@tsclass/tsclass';
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Decoder for ZUGFeRD invoice format
|
||||||
|
*/
|
||||||
|
export class ZUGFeRDDecoder extends CIIBaseDecoder {
|
||||||
|
/**
|
||||||
|
* Decodes a ZUGFeRD credit note
|
||||||
|
* @returns Promise resolving to a TCreditNote object
|
||||||
|
*/
|
||||||
|
protected async decodeCreditNote(): Promise<TCreditNote> {
|
||||||
|
// Get common invoice data
|
||||||
|
const commonData = await this.extractCommonData();
|
||||||
|
|
||||||
|
// Create a credit note with the common data
|
||||||
|
return {
|
||||||
|
...commonData,
|
||||||
|
invoiceType: 'creditnote'
|
||||||
|
} as TCreditNote;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Decodes a ZUGFeRD debit note (invoice)
|
||||||
|
* @returns Promise resolving to a TDebitNote object
|
||||||
|
*/
|
||||||
|
protected async decodeDebitNote(): Promise<TDebitNote> {
|
||||||
|
// Get common invoice data
|
||||||
|
const commonData = await this.extractCommonData();
|
||||||
|
|
||||||
|
// Create a debit note with the common data
|
||||||
|
return {
|
||||||
|
...commonData,
|
||||||
|
invoiceType: 'debitnote'
|
||||||
|
} as TDebitNote;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Extracts common invoice data from ZUGFeRD XML
|
||||||
|
* @returns Common invoice data
|
||||||
|
*/
|
||||||
|
private async extractCommonData(): Promise<Partial<TInvoice>> {
|
||||||
|
// Extract invoice ID
|
||||||
|
const invoiceId = this.getText('//rsm:ExchangedDocument/ram:ID');
|
||||||
|
|
||||||
|
// Extract issue date
|
||||||
|
const issueDateStr = this.getText('//ram:IssueDateTime/udt:DateTimeString');
|
||||||
|
const issueDate = issueDateStr ? new Date(issueDateStr).getTime() : Date.now();
|
||||||
|
|
||||||
|
// Extract seller information
|
||||||
|
const seller = this.extractParty('//ram:SellerTradeParty');
|
||||||
|
|
||||||
|
// Extract buyer information
|
||||||
|
const buyer = this.extractParty('//ram:BuyerTradeParty');
|
||||||
|
|
||||||
|
// Extract items
|
||||||
|
const items = this.extractItems();
|
||||||
|
|
||||||
|
// Extract due date
|
||||||
|
const dueDateStr = this.getText('//ram:SpecifiedTradePaymentTerms/ram:DueDateDateTime/udt:DateTimeString');
|
||||||
|
const dueDate = dueDateStr ? new Date(dueDateStr).getTime() : Date.now();
|
||||||
|
const dueInDays = Math.round((dueDate - issueDate) / (1000 * 60 * 60 * 24));
|
||||||
|
|
||||||
|
// Extract currency
|
||||||
|
const currencyCode = this.getText('//ram:InvoiceCurrencyCode') || 'EUR';
|
||||||
|
|
||||||
|
// Extract total amount
|
||||||
|
const totalAmount = this.getNumber('//ram:GrandTotalAmount');
|
||||||
|
|
||||||
|
// Extract notes
|
||||||
|
const notes = this.extractNotes();
|
||||||
|
|
||||||
|
// Check for reverse charge
|
||||||
|
const reverseCharge = this.exists('//ram:SpecifiedTradeAllowanceCharge/ram:ReasonCode[text()="62"]');
|
||||||
|
|
||||||
|
// Create the common invoice data
|
||||||
|
return {
|
||||||
|
type: 'invoice',
|
||||||
|
id: invoiceId,
|
||||||
|
date: issueDate,
|
||||||
|
status: 'invoice',
|
||||||
|
versionInfo: {
|
||||||
|
type: 'final',
|
||||||
|
version: '1.0.0'
|
||||||
|
},
|
||||||
|
language: 'en',
|
||||||
|
incidenceId: invoiceId,
|
||||||
|
from: seller,
|
||||||
|
to: buyer,
|
||||||
|
subject: `Invoice ${invoiceId}`,
|
||||||
|
items: items,
|
||||||
|
dueInDays: dueInDays,
|
||||||
|
reverseCharge: reverseCharge,
|
||||||
|
currency: currencyCode as finance.TCurrency,
|
||||||
|
notes: notes,
|
||||||
|
deliveryDate: issueDate,
|
||||||
|
objectActions: [],
|
||||||
|
invoiceType: 'debitnote' // Default to debit note, will be overridden in decode methods
|
||||||
|
};
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Extracts party information from ZUGFeRD XML
|
||||||
|
* @param partyXPath XPath to the party node
|
||||||
|
* @returns Party information as TContact
|
||||||
|
*/
|
||||||
|
private extractParty(partyXPath: string): business.TContact {
|
||||||
|
// Extract name
|
||||||
|
const name = this.getText(`${partyXPath}/ram:Name`);
|
||||||
|
|
||||||
|
// Extract address
|
||||||
|
const street = this.getText(`${partyXPath}/ram:PostalTradeAddress/ram:LineOne`);
|
||||||
|
const city = this.getText(`${partyXPath}/ram:PostalTradeAddress/ram:CityName`);
|
||||||
|
const zip = this.getText(`${partyXPath}/ram:PostalTradeAddress/ram:PostcodeCode`);
|
||||||
|
const country = this.getText(`${partyXPath}/ram:PostalTradeAddress/ram:CountryID`);
|
||||||
|
|
||||||
|
// Create address object
|
||||||
|
const address = {
|
||||||
|
street: street,
|
||||||
|
city: city,
|
||||||
|
zip: zip,
|
||||||
|
country: country
|
||||||
|
};
|
||||||
|
|
||||||
|
// Extract VAT ID
|
||||||
|
const vatId = this.getText(`${partyXPath}/ram:SpecifiedTaxRegistration/ram:ID[@schemeID="VA"]`) || '';
|
||||||
|
|
||||||
|
// Extract registration ID
|
||||||
|
const registrationId = this.getText(`${partyXPath}/ram:SpecifiedTaxRegistration/ram:ID[@schemeID="FC"]`) || '';
|
||||||
|
|
||||||
|
// Create contact object
|
||||||
|
return {
|
||||||
|
type: 'company',
|
||||||
|
name: name,
|
||||||
|
description: '',
|
||||||
|
address: address,
|
||||||
|
status: 'active',
|
||||||
|
foundedDate: this.createDefaultDate(),
|
||||||
|
registrationDetails: {
|
||||||
|
vatId: vatId,
|
||||||
|
registrationId: registrationId,
|
||||||
|
registrationName: ''
|
||||||
|
}
|
||||||
|
} as business.TContact;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Extracts invoice items from ZUGFeRD XML
|
||||||
|
* @returns Array of invoice items
|
||||||
|
*/
|
||||||
|
private extractItems(): finance.TInvoiceItem[] {
|
||||||
|
const items: finance.TInvoiceItem[] = [];
|
||||||
|
|
||||||
|
// Get all item nodes
|
||||||
|
const itemNodes = this.select('//ram:IncludedSupplyChainTradeLineItem', this.doc);
|
||||||
|
|
||||||
|
// Process each item
|
||||||
|
if (Array.isArray(itemNodes)) {
|
||||||
|
for (let i = 0; i < itemNodes.length; i++) {
|
||||||
|
const itemNode = itemNodes[i];
|
||||||
|
|
||||||
|
// Extract item data
|
||||||
|
const name = this.getText('ram:SpecifiedTradeProduct/ram:Name', itemNode);
|
||||||
|
const articleNumber = this.getText('ram:SpecifiedTradeProduct/ram:SellerAssignedID', itemNode);
|
||||||
|
const unitQuantity = this.getNumber('ram:SpecifiedLineTradeDelivery/ram:BilledQuantity', itemNode);
|
||||||
|
const unitType = this.getText('ram:SpecifiedLineTradeDelivery/ram:BilledQuantity/@unitCode', itemNode) || 'EA';
|
||||||
|
const unitNetPrice = this.getNumber('ram:SpecifiedLineTradeAgreement/ram:NetPriceProductTradePrice/ram:ChargeAmount', itemNode);
|
||||||
|
const vatPercentage = this.getNumber('ram:SpecifiedLineTradeSettlement/ram:ApplicableTradeTax/ram:RateApplicablePercent', itemNode);
|
||||||
|
|
||||||
|
// Create item object
|
||||||
|
items.push({
|
||||||
|
position: i + 1,
|
||||||
|
name: name,
|
||||||
|
articleNumber: articleNumber,
|
||||||
|
unitType: unitType,
|
||||||
|
unitQuantity: unitQuantity,
|
||||||
|
unitNetPrice: unitNetPrice,
|
||||||
|
vatPercentage: vatPercentage
|
||||||
|
});
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return items;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Extracts notes from ZUGFeRD XML
|
||||||
|
* @returns Array of notes
|
||||||
|
*/
|
||||||
|
private extractNotes(): string[] {
|
||||||
|
const notes: string[] = [];
|
||||||
|
|
||||||
|
// Get all note nodes
|
||||||
|
const noteNodes = this.select('//ram:IncludedNote', this.doc);
|
||||||
|
|
||||||
|
// Process each note
|
||||||
|
if (Array.isArray(noteNodes)) {
|
||||||
|
for (let i = 0; i < noteNodes.length; i++) {
|
||||||
|
const noteNode = noteNodes[i];
|
||||||
|
const noteText = this.getText('ram:Content', noteNode);
|
||||||
|
|
||||||
|
if (noteText) {
|
||||||
|
notes.push(noteText);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return notes;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Creates a default date for empty date fields
|
||||||
|
* @returns Default date as timestamp
|
||||||
|
*/
|
||||||
|
private createDefaultDate(): number {
|
||||||
|
return new Date('2000-01-01').getTime();
|
||||||
|
}
|
||||||
|
}
|
||||||
21
ts/formats/cii/zugferd/zugferd.encoder.ts
Normal file
21
ts/formats/cii/zugferd/zugferd.encoder.ts
Normal file
@@ -0,0 +1,21 @@
|
|||||||
|
import { CIIBaseEncoder } from '../cii.encoder.js';
|
||||||
|
import type { TInvoice } from '../../../interfaces/common.js';
|
||||||
|
import { ZUGFERD_PROFILE_IDS } from './zugferd.types.js';
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Encoder for ZUGFeRD invoice format
|
||||||
|
*/
|
||||||
|
export class ZUGFeRDEncoder extends CIIBaseEncoder {
|
||||||
|
/**
|
||||||
|
* Creates ZUGFeRD XML from invoice data
|
||||||
|
* @param invoice Invoice data
|
||||||
|
* @returns ZUGFeRD XML string
|
||||||
|
*/
|
||||||
|
public async createXml(invoice: TInvoice): Promise<string> {
|
||||||
|
// Set ZUGFeRD-specific profile ID
|
||||||
|
this.profileId = ZUGFERD_PROFILE_IDS.BASIC;
|
||||||
|
|
||||||
|
// Use the base CII encoder to create the XML
|
||||||
|
return super.createXml(invoice);
|
||||||
|
}
|
||||||
|
}
|
||||||
18
ts/formats/cii/zugferd/zugferd.types.ts
Normal file
18
ts/formats/cii/zugferd/zugferd.types.ts
Normal file
@@ -0,0 +1,18 @@
|
|||||||
|
import { CIIProfile, CII_PROFILE_IDS } from '../cii.types.js';
|
||||||
|
|
||||||
|
/**
|
||||||
|
* ZUGFeRD specific constants and types
|
||||||
|
*/
|
||||||
|
|
||||||
|
// ZUGFeRD profile IDs
|
||||||
|
export const ZUGFERD_PROFILE_IDS = {
|
||||||
|
BASIC: CII_PROFILE_IDS.ZUGFERD_BASIC,
|
||||||
|
COMFORT: CII_PROFILE_IDS.ZUGFERD_COMFORT,
|
||||||
|
EXTENDED: CII_PROFILE_IDS.ZUGFERD_EXTENDED
|
||||||
|
};
|
||||||
|
|
||||||
|
// ZUGFeRD PDF attachment filename
|
||||||
|
export const ZUGFERD_ATTACHMENT_FILENAME = 'zugferd-invoice.xml';
|
||||||
|
|
||||||
|
// ZUGFeRD PDF attachment description
|
||||||
|
export const ZUGFERD_ATTACHMENT_DESCRIPTION = 'ZUGFeRD XML Invoice';
|
||||||
234
ts/formats/cii/zugferd/zugferd.v1.decoder.ts
Normal file
234
ts/formats/cii/zugferd/zugferd.v1.decoder.ts
Normal file
@@ -0,0 +1,234 @@
|
|||||||
|
import { CIIBaseDecoder } from '../cii.decoder.js';
|
||||||
|
import type { TInvoice, TCreditNote, TDebitNote } from '../../../interfaces/common.js';
|
||||||
|
import { ZUGFERD_V1_NAMESPACES } from '../cii.types.js';
|
||||||
|
import { business, finance, general } from '@tsclass/tsclass';
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Decoder for ZUGFeRD v1 invoice format
|
||||||
|
*/
|
||||||
|
export class ZUGFeRDV1Decoder extends CIIBaseDecoder {
|
||||||
|
/**
|
||||||
|
* Constructor
|
||||||
|
* @param xml XML string to decode
|
||||||
|
*/
|
||||||
|
constructor(xml: string) {
|
||||||
|
super(xml);
|
||||||
|
// Override namespaces for ZUGFeRD v1
|
||||||
|
this.namespaces = {
|
||||||
|
rsm: ZUGFERD_V1_NAMESPACES.RSM,
|
||||||
|
ram: ZUGFERD_V1_NAMESPACES.RAM,
|
||||||
|
udt: ZUGFERD_V1_NAMESPACES.UDT
|
||||||
|
};
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Decodes a ZUGFeRD v1 credit note
|
||||||
|
* @returns Promise resolving to a TCreditNote object
|
||||||
|
*/
|
||||||
|
protected async decodeCreditNote(): Promise<TCreditNote> {
|
||||||
|
// Get common invoice data
|
||||||
|
const commonData = await this.extractCommonData();
|
||||||
|
|
||||||
|
// Create a credit note with the common data
|
||||||
|
return {
|
||||||
|
...commonData,
|
||||||
|
invoiceType: 'creditnote'
|
||||||
|
} as TCreditNote;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Decodes a ZUGFeRD v1 debit note (invoice)
|
||||||
|
* @returns Promise resolving to a TDebitNote object
|
||||||
|
*/
|
||||||
|
protected async decodeDebitNote(): Promise<TDebitNote> {
|
||||||
|
// Get common invoice data
|
||||||
|
const commonData = await this.extractCommonData();
|
||||||
|
|
||||||
|
// Create a debit note with the common data
|
||||||
|
return {
|
||||||
|
...commonData,
|
||||||
|
invoiceType: 'debitnote'
|
||||||
|
} as TDebitNote;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Extracts common invoice data from ZUGFeRD v1 XML
|
||||||
|
* @returns Common invoice data
|
||||||
|
*/
|
||||||
|
private async extractCommonData(): Promise<Partial<TInvoice>> {
|
||||||
|
// Extract invoice ID
|
||||||
|
const invoiceId = this.getText('//ram:ID');
|
||||||
|
|
||||||
|
// Extract issue date
|
||||||
|
const issueDateStr = this.getText('//ram:IssueDateTime/udt:DateTimeString');
|
||||||
|
const issueDate = issueDateStr ? new Date(issueDateStr).getTime() : Date.now();
|
||||||
|
|
||||||
|
// Extract seller information
|
||||||
|
const seller = this.extractParty('//ram:SellerTradeParty');
|
||||||
|
|
||||||
|
// Extract buyer information
|
||||||
|
const buyer = this.extractParty('//ram:BuyerTradeParty');
|
||||||
|
|
||||||
|
// Extract items
|
||||||
|
const items = this.extractItems();
|
||||||
|
|
||||||
|
// Extract due date
|
||||||
|
const dueDateStr = this.getText('//ram:SpecifiedTradePaymentTerms/ram:DueDateDateTime/udt:DateTimeString');
|
||||||
|
const dueDate = dueDateStr ? new Date(dueDateStr).getTime() : Date.now();
|
||||||
|
const dueInDays = Math.round((dueDate - issueDate) / (1000 * 60 * 60 * 24));
|
||||||
|
|
||||||
|
// Extract currency
|
||||||
|
const currencyCode = this.getText('//ram:InvoiceCurrencyCode') || 'EUR';
|
||||||
|
|
||||||
|
// Extract total amount
|
||||||
|
const totalAmount = this.getNumber('//ram:GrandTotalAmount');
|
||||||
|
|
||||||
|
// Extract notes
|
||||||
|
const notes = this.extractNotes();
|
||||||
|
|
||||||
|
// Check for reverse charge
|
||||||
|
const reverseCharge = this.exists('//ram:SpecifiedTradeAllowanceCharge/ram:ReasonCode[text()="62"]');
|
||||||
|
|
||||||
|
// Create the common invoice data
|
||||||
|
return {
|
||||||
|
type: 'invoice',
|
||||||
|
id: invoiceId,
|
||||||
|
date: issueDate,
|
||||||
|
status: 'invoice',
|
||||||
|
versionInfo: {
|
||||||
|
type: 'final',
|
||||||
|
version: '1.0.0'
|
||||||
|
},
|
||||||
|
language: 'en',
|
||||||
|
incidenceId: invoiceId,
|
||||||
|
from: seller,
|
||||||
|
to: buyer,
|
||||||
|
subject: `Invoice ${invoiceId}`,
|
||||||
|
items: items,
|
||||||
|
dueInDays: dueInDays,
|
||||||
|
reverseCharge: reverseCharge,
|
||||||
|
currency: currencyCode as finance.TCurrency,
|
||||||
|
notes: notes,
|
||||||
|
deliveryDate: issueDate,
|
||||||
|
objectActions: [],
|
||||||
|
invoiceType: 'debitnote' // Default to debit note, will be overridden in decode methods
|
||||||
|
};
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Extracts party information from ZUGFeRD v1 XML
|
||||||
|
* @param partyXPath XPath to the party node
|
||||||
|
* @returns Party information as TContact
|
||||||
|
*/
|
||||||
|
private extractParty(partyXPath: string): business.TContact {
|
||||||
|
// Extract name
|
||||||
|
const name = this.getText(`${partyXPath}/ram:Name`);
|
||||||
|
|
||||||
|
// Extract address
|
||||||
|
const street = this.getText(`${partyXPath}/ram:PostalTradeAddress/ram:LineOne`);
|
||||||
|
const city = this.getText(`${partyXPath}/ram:PostalTradeAddress/ram:CityName`);
|
||||||
|
const zip = this.getText(`${partyXPath}/ram:PostalTradeAddress/ram:PostcodeCode`);
|
||||||
|
const country = this.getText(`${partyXPath}/ram:PostalTradeAddress/ram:CountryID`);
|
||||||
|
|
||||||
|
// Create address object
|
||||||
|
const address = {
|
||||||
|
street: street,
|
||||||
|
city: city,
|
||||||
|
zip: zip,
|
||||||
|
country: country
|
||||||
|
};
|
||||||
|
|
||||||
|
// Extract VAT ID
|
||||||
|
const vatId = this.getText(`${partyXPath}/ram:SpecifiedTaxRegistration/ram:ID[@schemeID="VA"]`) || '';
|
||||||
|
|
||||||
|
// Extract registration ID
|
||||||
|
const registrationId = this.getText(`${partyXPath}/ram:SpecifiedTaxRegistration/ram:ID[@schemeID="FC"]`) || '';
|
||||||
|
|
||||||
|
// Create contact object
|
||||||
|
return {
|
||||||
|
type: 'company',
|
||||||
|
name: name,
|
||||||
|
description: '',
|
||||||
|
address: address,
|
||||||
|
status: 'active',
|
||||||
|
foundedDate: this.createDefaultDate(),
|
||||||
|
registrationDetails: {
|
||||||
|
vatId: vatId,
|
||||||
|
registrationId: registrationId,
|
||||||
|
registrationName: ''
|
||||||
|
}
|
||||||
|
} as business.TContact;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Extracts invoice items from ZUGFeRD v1 XML
|
||||||
|
* @returns Array of invoice items
|
||||||
|
*/
|
||||||
|
private extractItems(): finance.TInvoiceItem[] {
|
||||||
|
const items: finance.TInvoiceItem[] = [];
|
||||||
|
|
||||||
|
// Get all item nodes
|
||||||
|
const itemNodes = this.select('//ram:IncludedSupplyChainTradeLineItem', this.doc);
|
||||||
|
|
||||||
|
// Process each item
|
||||||
|
if (Array.isArray(itemNodes)) {
|
||||||
|
for (let i = 0; i < itemNodes.length; i++) {
|
||||||
|
const itemNode = itemNodes[i];
|
||||||
|
|
||||||
|
// Extract item data
|
||||||
|
const name = this.getText('ram:SpecifiedTradeProduct/ram:Name', itemNode);
|
||||||
|
const articleNumber = this.getText('ram:SpecifiedTradeProduct/ram:SellerAssignedID', itemNode);
|
||||||
|
const unitQuantity = this.getNumber('ram:SpecifiedLineTradeDelivery/ram:BilledQuantity', itemNode);
|
||||||
|
const unitType = this.getText('ram:SpecifiedLineTradeDelivery/ram:BilledQuantity/@unitCode', itemNode) || 'EA';
|
||||||
|
const unitNetPrice = this.getNumber('ram:SpecifiedLineTradeAgreement/ram:NetPriceProductTradePrice/ram:ChargeAmount', itemNode);
|
||||||
|
const vatPercentage = this.getNumber('ram:SpecifiedLineTradeSettlement/ram:ApplicableTradeTax/ram:RateApplicablePercent', itemNode);
|
||||||
|
|
||||||
|
// Create item object
|
||||||
|
items.push({
|
||||||
|
position: i + 1,
|
||||||
|
name: name,
|
||||||
|
articleNumber: articleNumber,
|
||||||
|
unitType: unitType,
|
||||||
|
unitQuantity: unitQuantity,
|
||||||
|
unitNetPrice: unitNetPrice,
|
||||||
|
vatPercentage: vatPercentage
|
||||||
|
});
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return items;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Extracts notes from ZUGFeRD v1 XML
|
||||||
|
* @returns Array of notes
|
||||||
|
*/
|
||||||
|
private extractNotes(): string[] {
|
||||||
|
const notes: string[] = [];
|
||||||
|
|
||||||
|
// Get all note nodes
|
||||||
|
const noteNodes = this.select('//ram:IncludedNote', this.doc);
|
||||||
|
|
||||||
|
// Process each note
|
||||||
|
if (Array.isArray(noteNodes)) {
|
||||||
|
for (let i = 0; i < noteNodes.length; i++) {
|
||||||
|
const noteNode = noteNodes[i];
|
||||||
|
const noteText = this.getText('ram:Content', noteNode);
|
||||||
|
|
||||||
|
if (noteText) {
|
||||||
|
notes.push(noteText);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return notes;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Creates a default date for empty date fields
|
||||||
|
* @returns Default date as timestamp
|
||||||
|
*/
|
||||||
|
private createDefaultDate(): number {
|
||||||
|
return new Date('2000-01-01').getTime();
|
||||||
|
}
|
||||||
|
}
|
||||||
18
ts/formats/cii/zugferd/zugferd.validator.ts
Normal file
18
ts/formats/cii/zugferd/zugferd.validator.ts
Normal file
@@ -0,0 +1,18 @@
|
|||||||
|
import { CIIBaseValidator } from '../cii.validator.js';
|
||||||
|
import { ValidationLevel } from '../../../interfaces/common.js';
|
||||||
|
import type { ValidationResult } from '../../../interfaces/common.js';
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Validator for ZUGFeRD invoice format
|
||||||
|
*/
|
||||||
|
export class ZUGFeRDValidator extends CIIBaseValidator {
|
||||||
|
/**
|
||||||
|
* Validates ZUGFeRD XML against business rules
|
||||||
|
* @returns True if business validation passed
|
||||||
|
*/
|
||||||
|
protected validateBusinessRules(): boolean {
|
||||||
|
// Implement ZUGFeRD-specific business rules
|
||||||
|
// For now, we'll just use the base CII validation
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
}
|
||||||
@@ -5,7 +5,8 @@ import { FormatDetector } from '../utils/format.detector.js';
|
|||||||
// Import specific decoders
|
// Import specific decoders
|
||||||
import { XRechnungDecoder } from '../ubl/xrechnung/xrechnung.decoder.js';
|
import { XRechnungDecoder } from '../ubl/xrechnung/xrechnung.decoder.js';
|
||||||
import { FacturXDecoder } from '../cii/facturx/facturx.decoder.js';
|
import { FacturXDecoder } from '../cii/facturx/facturx.decoder.js';
|
||||||
// import { ZUGFeRDDecoder } from '../cii/zugferd/zugferd.decoder.js';
|
import { ZUGFeRDDecoder } from '../cii/zugferd/zugferd.decoder.js';
|
||||||
|
import { ZUGFeRDV1Decoder } from '../cii/zugferd/zugferd.v1.decoder.js';
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Factory to create the appropriate decoder based on the XML format
|
* Factory to create the appropriate decoder based on the XML format
|
||||||
@@ -29,8 +30,12 @@ export class DecoderFactory {
|
|||||||
return new FacturXDecoder(xml);
|
return new FacturXDecoder(xml);
|
||||||
|
|
||||||
case InvoiceFormat.ZUGFERD:
|
case InvoiceFormat.ZUGFERD:
|
||||||
// For now, use Factur-X decoder for ZUGFeRD
|
// Determine if it's ZUGFeRD v1 or v2 based on root element
|
||||||
return new FacturXDecoder(xml);
|
if (xml.includes('CrossIndustryDocument')) {
|
||||||
|
return new ZUGFeRDV1Decoder(xml);
|
||||||
|
} else {
|
||||||
|
return new ZUGFeRDDecoder(xml);
|
||||||
|
}
|
||||||
|
|
||||||
case InvoiceFormat.FACTURX:
|
case InvoiceFormat.FACTURX:
|
||||||
return new FacturXDecoder(xml);
|
return new FacturXDecoder(xml);
|
||||||
|
|||||||
@@ -5,7 +5,7 @@ import type { ExportFormat } from '../../interfaces/common.js';
|
|||||||
// Import specific encoders
|
// Import specific encoders
|
||||||
import { XRechnungEncoder } from '../ubl/xrechnung/xrechnung.encoder.js';
|
import { XRechnungEncoder } from '../ubl/xrechnung/xrechnung.encoder.js';
|
||||||
import { FacturXEncoder } from '../cii/facturx/facturx.encoder.js';
|
import { FacturXEncoder } from '../cii/facturx/facturx.encoder.js';
|
||||||
// import { ZUGFeRDEncoder } from '../cii/zugferd/zugferd.encoder.js';
|
import { ZUGFeRDEncoder } from '../cii/zugferd/zugferd.encoder.js';
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Factory to create the appropriate encoder based on the target format
|
* Factory to create the appropriate encoder based on the target format
|
||||||
@@ -33,8 +33,8 @@ export class EncoderFactory {
|
|||||||
|
|
||||||
case InvoiceFormat.ZUGFERD:
|
case InvoiceFormat.ZUGFERD:
|
||||||
case 'zugferd':
|
case 'zugferd':
|
||||||
// For now, use Factur-X encoder for ZUGFeRD
|
// Use dedicated ZUGFeRD encoder
|
||||||
return new FacturXEncoder();
|
return new ZUGFeRDEncoder();
|
||||||
|
|
||||||
case InvoiceFormat.FACTURX:
|
case InvoiceFormat.FACTURX:
|
||||||
case 'facturx':
|
case 'facturx':
|
||||||
|
|||||||
@@ -6,7 +6,7 @@ import { FormatDetector } from '../utils/format.detector.js';
|
|||||||
// import { UBLValidator } from '../ubl/ubl.validator.js';
|
// import { UBLValidator } from '../ubl/ubl.validator.js';
|
||||||
// import { XRechnungValidator } from '../ubl/xrechnung/xrechnung.validator.js';
|
// import { XRechnungValidator } from '../ubl/xrechnung/xrechnung.validator.js';
|
||||||
import { FacturXValidator } from '../cii/facturx/facturx.validator.js';
|
import { FacturXValidator } from '../cii/facturx/facturx.validator.js';
|
||||||
// import { ZUGFeRDValidator } from '../cii/zugferd/zugferd.validator.js';
|
import { ZUGFeRDValidator } from '../cii/zugferd/zugferd.validator.js';
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Factory to create the appropriate validator based on the XML format
|
* Factory to create the appropriate validator based on the XML format
|
||||||
@@ -34,8 +34,8 @@ export class ValidatorFactory {
|
|||||||
return new FacturXValidator(xml);
|
return new FacturXValidator(xml);
|
||||||
|
|
||||||
case InvoiceFormat.ZUGFERD:
|
case InvoiceFormat.ZUGFERD:
|
||||||
// For now, use Factur-X validator for ZUGFeRD
|
// Use dedicated ZUGFeRD validator
|
||||||
return new FacturXValidator(xml);
|
return new ZUGFeRDValidator(xml);
|
||||||
|
|
||||||
case InvoiceFormat.FACTURX:
|
case InvoiceFormat.FACTURX:
|
||||||
return new FacturXValidator(xml);
|
return new FacturXValidator(xml);
|
||||||
|
|||||||
78
ts/formats/pdf/extractors/associated.extractor.ts
Normal file
78
ts/formats/pdf/extractors/associated.extractor.ts
Normal file
@@ -0,0 +1,78 @@
|
|||||||
|
import { PDFDocument, PDFDict, PDFName, PDFRawStream, PDFArray, PDFString } from 'pdf-lib';
|
||||||
|
import { BaseXMLExtractor } from './base.extractor.js';
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Associated files extractor for PDF/A-3 documents
|
||||||
|
* Extracts XML from associated files (AF entry in the catalog)
|
||||||
|
* Particularly useful for ZUGFeRD v1 and some Factur-X documents
|
||||||
|
*/
|
||||||
|
export class AssociatedFilesExtractor extends BaseXMLExtractor {
|
||||||
|
/**
|
||||||
|
* Extract XML from a PDF buffer using associated files
|
||||||
|
* @param pdfBuffer PDF buffer
|
||||||
|
* @returns XML content or null if not found
|
||||||
|
*/
|
||||||
|
public async extractXml(pdfBuffer: Uint8Array | Buffer): Promise<string | null> {
|
||||||
|
try {
|
||||||
|
const pdfDoc = await PDFDocument.load(pdfBuffer);
|
||||||
|
|
||||||
|
// Try to find associated files via the AF entry in the catalog
|
||||||
|
const afArray = pdfDoc.catalog.lookup(PDFName.of('AF'));
|
||||||
|
if (!(afArray instanceof PDFArray)) {
|
||||||
|
console.warn('No AF (Associated Files) entry found in PDF catalog');
|
||||||
|
return null;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Process each associated file
|
||||||
|
for (let i = 0; i < afArray.size(); i++) {
|
||||||
|
const fileSpec = afArray.lookup(i);
|
||||||
|
if (!(fileSpec instanceof PDFDict)) {
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Get the file name
|
||||||
|
const fileNameObj = fileSpec.lookup(PDFName.of('F')) || fileSpec.lookup(PDFName.of('UF'));
|
||||||
|
if (!(fileNameObj instanceof PDFString)) {
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
|
||||||
|
const fileName = fileNameObj.decodeText();
|
||||||
|
|
||||||
|
// Check if it's a known invoice XML file name
|
||||||
|
const isKnownFileName = this.knownFileNames.some(
|
||||||
|
knownName => fileName.toLowerCase() === knownName.toLowerCase()
|
||||||
|
);
|
||||||
|
|
||||||
|
// Check if it's any XML file or has invoice-related keywords
|
||||||
|
const isXmlFile = fileName.toLowerCase().endsWith('.xml') ||
|
||||||
|
fileName.toLowerCase().includes('zugferd') ||
|
||||||
|
fileName.toLowerCase().includes('factur-x') ||
|
||||||
|
fileName.toLowerCase().includes('xrechnung') ||
|
||||||
|
fileName.toLowerCase().includes('invoice');
|
||||||
|
|
||||||
|
if (isKnownFileName || isXmlFile) {
|
||||||
|
// Get the embedded file dictionary
|
||||||
|
const efDict = fileSpec.lookup(PDFName.of('EF'));
|
||||||
|
if (!(efDict instanceof PDFDict)) {
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Get the file stream
|
||||||
|
const fileStream = efDict.lookup(PDFName.of('F'));
|
||||||
|
if (fileStream instanceof PDFRawStream) {
|
||||||
|
const xmlContent = await this.extractXmlFromStream(fileStream, fileName);
|
||||||
|
if (xmlContent) {
|
||||||
|
return xmlContent;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
console.warn('No valid XML found in associated files');
|
||||||
|
return null;
|
||||||
|
} catch (error) {
|
||||||
|
console.error('Error in associated files extraction:', error);
|
||||||
|
return null;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
177
ts/formats/pdf/extractors/base.extractor.ts
Normal file
177
ts/formats/pdf/extractors/base.extractor.ts
Normal file
@@ -0,0 +1,177 @@
|
|||||||
|
import { PDFDocument, PDFDict, PDFName, PDFRawStream, PDFArray, PDFString } from 'pdf-lib';
|
||||||
|
import * as pako from 'pako';
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Base class for PDF XML extractors with common functionality
|
||||||
|
*/
|
||||||
|
export abstract class BaseXMLExtractor {
|
||||||
|
/**
|
||||||
|
* Known XML file names for different invoice formats
|
||||||
|
*/
|
||||||
|
protected readonly knownFileNames = [
|
||||||
|
'factur-x.xml',
|
||||||
|
'zugferd-invoice.xml',
|
||||||
|
'ZUGFeRD-invoice.xml',
|
||||||
|
'xrechnung.xml'
|
||||||
|
];
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Known XML formats to validate extracted content
|
||||||
|
*/
|
||||||
|
protected readonly knownFormats = [
|
||||||
|
'CrossIndustryInvoice',
|
||||||
|
'CrossIndustryDocument',
|
||||||
|
'Invoice',
|
||||||
|
'CreditNote',
|
||||||
|
'ubl:Invoice',
|
||||||
|
'ubl:CreditNote',
|
||||||
|
'rsm:CrossIndustryInvoice',
|
||||||
|
'rsm:CrossIndustryDocument',
|
||||||
|
'ram:CrossIndustryDocument',
|
||||||
|
'urn:un:unece:uncefact',
|
||||||
|
'urn:ferd:CrossIndustryDocument',
|
||||||
|
'urn:zugferd',
|
||||||
|
'urn:factur-x',
|
||||||
|
'factur-x.eu',
|
||||||
|
'ZUGFeRD'
|
||||||
|
];
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Known XML end tags for extracting content from strings
|
||||||
|
*/
|
||||||
|
protected readonly knownEndTags = [
|
||||||
|
'</CrossIndustryInvoice>',
|
||||||
|
'</CrossIndustryDocument>',
|
||||||
|
'</Invoice>',
|
||||||
|
'</CreditNote>',
|
||||||
|
'</rsm:CrossIndustryInvoice>',
|
||||||
|
'</rsm:CrossIndustryDocument>',
|
||||||
|
'</ram:CrossIndustryDocument>',
|
||||||
|
'</ubl:Invoice>',
|
||||||
|
'</ubl:CreditNote>'
|
||||||
|
];
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Extract XML from a PDF buffer
|
||||||
|
* @param pdfBuffer PDF buffer
|
||||||
|
* @returns XML content or null if not found
|
||||||
|
*/
|
||||||
|
public abstract extractXml(pdfBuffer: Uint8Array | Buffer): Promise<string | null>;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Check if an XML string is valid
|
||||||
|
* @param xmlString XML string to check
|
||||||
|
* @returns True if the XML is valid
|
||||||
|
*/
|
||||||
|
protected isValidXml(xmlString: string): boolean {
|
||||||
|
try {
|
||||||
|
// Basic checks for XML validity
|
||||||
|
if (!xmlString || typeof xmlString !== 'string') {
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Check if it starts with XML declaration
|
||||||
|
if (!xmlString.includes('<?xml')) {
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Check if the XML string contains known invoice formats
|
||||||
|
const hasKnownFormat = this.knownFormats.some(format => xmlString.includes(format));
|
||||||
|
if (!hasKnownFormat) {
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Check if the XML string contains binary data or invalid characters
|
||||||
|
const invalidChars = ['\u0000', '\u0001', '\u0002', '\u0003', '\u0004', '\u0005'];
|
||||||
|
const hasBinaryData = invalidChars.some(char => xmlString.includes(char));
|
||||||
|
if (hasBinaryData) {
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Check if the XML string is too short
|
||||||
|
if (xmlString.length < 100) {
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
return true;
|
||||||
|
} catch (error) {
|
||||||
|
console.error('Error validating XML:', error);
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Extract XML from a string
|
||||||
|
* @param text Text to extract XML from
|
||||||
|
* @param startIndex Index to start extraction from
|
||||||
|
* @returns XML content or null if not found
|
||||||
|
*/
|
||||||
|
protected extractXmlFromString(text: string, startIndex: number = 0): string | null {
|
||||||
|
try {
|
||||||
|
// Find the start of the XML document
|
||||||
|
const xmlStartIndex = text.indexOf('<?xml', startIndex);
|
||||||
|
if (xmlStartIndex === -1) {
|
||||||
|
return null;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Try to find the end of the XML document
|
||||||
|
let xmlEndIndex = -1;
|
||||||
|
for (const endTag of this.knownEndTags) {
|
||||||
|
const endIndex = text.indexOf(endTag, xmlStartIndex);
|
||||||
|
if (endIndex !== -1) {
|
||||||
|
xmlEndIndex = endIndex + endTag.length;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if (xmlEndIndex === -1) {
|
||||||
|
return null;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Extract the XML content
|
||||||
|
return text.substring(xmlStartIndex, xmlEndIndex);
|
||||||
|
} catch (error) {
|
||||||
|
console.error('Error extracting XML from string:', error);
|
||||||
|
return null;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Decompress and decode XML content from a PDF stream
|
||||||
|
* @param stream PDF stream containing XML data
|
||||||
|
* @param fileName Name of the file (for logging)
|
||||||
|
* @returns XML content or null if not valid
|
||||||
|
*/
|
||||||
|
protected async extractXmlFromStream(stream: PDFRawStream, fileName: string): Promise<string | null> {
|
||||||
|
try {
|
||||||
|
// Try to decompress with pako
|
||||||
|
const compressedBytes = stream.getContents().buffer;
|
||||||
|
try {
|
||||||
|
const decompressedBytes = pako.inflate(compressedBytes);
|
||||||
|
const xmlContent = new TextDecoder('utf-8').decode(decompressedBytes);
|
||||||
|
|
||||||
|
if (this.isValidXml(xmlContent)) {
|
||||||
|
console.log(`Successfully extracted decompressed XML from PDF file. File name: ${fileName}`);
|
||||||
|
return xmlContent;
|
||||||
|
}
|
||||||
|
} catch (decompressError) {
|
||||||
|
// Decompression failed, try without decompression
|
||||||
|
console.log(`Decompression failed for ${fileName}, trying without decompression...`);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Try without decompression
|
||||||
|
const rawBytes = stream.getContents();
|
||||||
|
const rawContent = new TextDecoder('utf-8').decode(rawBytes);
|
||||||
|
|
||||||
|
if (this.isValidXml(rawContent)) {
|
||||||
|
console.log(`Successfully extracted uncompressed XML from PDF file. File name: ${fileName}`);
|
||||||
|
return rawContent;
|
||||||
|
}
|
||||||
|
|
||||||
|
return null;
|
||||||
|
} catch (error) {
|
||||||
|
console.error('Error extracting XML from stream:', error);
|
||||||
|
return null;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
4
ts/formats/pdf/extractors/index.ts
Normal file
4
ts/formats/pdf/extractors/index.ts
Normal file
@@ -0,0 +1,4 @@
|
|||||||
|
export * from './base.extractor.js';
|
||||||
|
export * from './standard.extractor.js';
|
||||||
|
export * from './associated.extractor.js';
|
||||||
|
export * from './text.extractor.js';
|
||||||
86
ts/formats/pdf/extractors/standard.extractor.ts
Normal file
86
ts/formats/pdf/extractors/standard.extractor.ts
Normal file
@@ -0,0 +1,86 @@
|
|||||||
|
import { PDFDocument, PDFDict, PDFName, PDFRawStream, PDFArray, PDFString } from 'pdf-lib';
|
||||||
|
import { BaseXMLExtractor } from './base.extractor.js';
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Standard PDF XML extractor that extracts XML from embedded files
|
||||||
|
* Works with PDF/A-3 documents that follow the standard for embedding files
|
||||||
|
*/
|
||||||
|
export class StandardXMLExtractor extends BaseXMLExtractor {
|
||||||
|
/**
|
||||||
|
* Extract XML from a PDF buffer using standard PDF/A-3 embedded files
|
||||||
|
* @param pdfBuffer PDF buffer
|
||||||
|
* @returns XML content or null if not found
|
||||||
|
*/
|
||||||
|
public async extractXml(pdfBuffer: Uint8Array | Buffer): Promise<string | null> {
|
||||||
|
try {
|
||||||
|
const pdfDoc = await PDFDocument.load(pdfBuffer);
|
||||||
|
|
||||||
|
// Get the document's metadata dictionary
|
||||||
|
const namesDictObj = pdfDoc.catalog.lookup(PDFName.of('Names'));
|
||||||
|
if (!(namesDictObj instanceof PDFDict)) {
|
||||||
|
console.warn('No Names dictionary found in PDF! This PDF does not contain embedded files.');
|
||||||
|
return null;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Get the embedded files dictionary
|
||||||
|
const embeddedFilesDictObj = namesDictObj.lookup(PDFName.of('EmbeddedFiles'));
|
||||||
|
if (!(embeddedFilesDictObj instanceof PDFDict)) {
|
||||||
|
console.warn('No EmbeddedFiles dictionary found! This PDF does not contain embedded files.');
|
||||||
|
return null;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Get the names array
|
||||||
|
const filesSpecObj = embeddedFilesDictObj.lookup(PDFName.of('Names'));
|
||||||
|
if (!(filesSpecObj instanceof PDFArray)) {
|
||||||
|
console.warn('No files specified in EmbeddedFiles dictionary!');
|
||||||
|
return null;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Try to find an XML file in the embedded files
|
||||||
|
for (let i = 0; i < filesSpecObj.size(); i += 2) {
|
||||||
|
const fileNameObj = filesSpecObj.lookup(i);
|
||||||
|
const fileSpecObj = filesSpecObj.lookup(i + 1);
|
||||||
|
|
||||||
|
if (!(fileNameObj instanceof PDFString) || !(fileSpecObj instanceof PDFDict)) {
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Get the filename as string
|
||||||
|
const fileName = fileNameObj.decodeText();
|
||||||
|
|
||||||
|
// Check if it's a known invoice XML file name
|
||||||
|
const isKnownFileName = this.knownFileNames.some(
|
||||||
|
knownName => fileName.toLowerCase() === knownName.toLowerCase()
|
||||||
|
);
|
||||||
|
|
||||||
|
// Check if it's any XML file or has invoice-related keywords
|
||||||
|
const isXmlFile = fileName.toLowerCase().endsWith('.xml') ||
|
||||||
|
fileName.toLowerCase().includes('zugferd') ||
|
||||||
|
fileName.toLowerCase().includes('factur-x') ||
|
||||||
|
fileName.toLowerCase().includes('xrechnung') ||
|
||||||
|
fileName.toLowerCase().includes('invoice');
|
||||||
|
|
||||||
|
if (isKnownFileName || isXmlFile) {
|
||||||
|
const efDictObj = fileSpecObj.lookup(PDFName.of('EF'));
|
||||||
|
if (!(efDictObj instanceof PDFDict)) {
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
|
||||||
|
const fileStream = efDictObj.lookup(PDFName.of('F'));
|
||||||
|
if (fileStream instanceof PDFRawStream) {
|
||||||
|
const xmlContent = await this.extractXmlFromStream(fileStream, fileName);
|
||||||
|
if (xmlContent) {
|
||||||
|
return xmlContent;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
console.warn('No valid XML found in embedded files');
|
||||||
|
return null;
|
||||||
|
} catch (error) {
|
||||||
|
console.error('Error in standard extraction:', error);
|
||||||
|
return null;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
55
ts/formats/pdf/extractors/text.extractor.ts
Normal file
55
ts/formats/pdf/extractors/text.extractor.ts
Normal file
@@ -0,0 +1,55 @@
|
|||||||
|
import { BaseXMLExtractor } from './base.extractor.js';
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Text-based XML extractor for PDF documents
|
||||||
|
* Extracts XML by searching for XML patterns in the PDF text
|
||||||
|
* Used as a fallback when other extraction methods fail
|
||||||
|
*/
|
||||||
|
export class TextXMLExtractor extends BaseXMLExtractor {
|
||||||
|
/**
|
||||||
|
* Extract XML from a PDF buffer by searching for XML patterns in the text
|
||||||
|
* @param pdfBuffer PDF buffer
|
||||||
|
* @returns XML content or null if not found
|
||||||
|
*/
|
||||||
|
public async extractXml(pdfBuffer: Uint8Array | Buffer): Promise<string | null> {
|
||||||
|
try {
|
||||||
|
// Convert buffer to string and look for XML patterns
|
||||||
|
// Increase the search range to handle larger PDFs
|
||||||
|
const pdfString = Buffer.from(pdfBuffer).toString('utf8', 0, Math.min(pdfBuffer.length, 50000));
|
||||||
|
|
||||||
|
// Look for common XML patterns in the PDF
|
||||||
|
const xmlPatterns = [
|
||||||
|
/<\?xml[^>]*\?>/i,
|
||||||
|
/<CrossIndustryInvoice[^>]*>/i,
|
||||||
|
/<CrossIndustryDocument[^>]*>/i,
|
||||||
|
/<Invoice[^>]*>/i,
|
||||||
|
/<CreditNote[^>]*>/i,
|
||||||
|
/<rsm:CrossIndustryInvoice[^>]*>/i,
|
||||||
|
/<rsm:CrossIndustryDocument[^>]*>/i,
|
||||||
|
/<ram:CrossIndustryDocument[^>]*>/i,
|
||||||
|
/<ubl:Invoice[^>]*>/i,
|
||||||
|
/<ubl:CreditNote[^>]*>/i
|
||||||
|
];
|
||||||
|
|
||||||
|
for (const pattern of xmlPatterns) {
|
||||||
|
const match = pdfString.match(pattern);
|
||||||
|
if (match && match.index !== undefined) {
|
||||||
|
console.log(`Found XML pattern in PDF: ${match[0]}`);
|
||||||
|
|
||||||
|
// Try to extract the XML content
|
||||||
|
const xmlContent = this.extractXmlFromString(pdfString, match.index);
|
||||||
|
if (xmlContent && this.isValidXml(xmlContent)) {
|
||||||
|
console.log('Successfully extracted XML from PDF text');
|
||||||
|
return xmlContent;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
console.warn('No valid XML found in PDF text');
|
||||||
|
return null;
|
||||||
|
} catch (error) {
|
||||||
|
console.error('Error in text-based extraction:', error);
|
||||||
|
return null;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
@@ -1,30 +1,54 @@
|
|||||||
import { PDFDocument, PDFDict, PDFName, PDFRawStream, PDFArray, PDFString } from 'pdf-lib';
|
import {
|
||||||
import * as pako from 'pako';
|
BaseXMLExtractor,
|
||||||
|
StandardXMLExtractor,
|
||||||
|
AssociatedFilesExtractor,
|
||||||
|
TextXMLExtractor
|
||||||
|
} from './extractors/index.js';
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Class for extracting XML from PDF files
|
* Main PDF extractor class that orchestrates the extraction process
|
||||||
|
* Uses multiple specialized extractors in sequence to maximize success rate
|
||||||
*/
|
*/
|
||||||
export class PDFExtractor {
|
export class PDFExtractor {
|
||||||
|
private extractors: BaseXMLExtractor[] = [];
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Extracts XML from a PDF buffer
|
* Constructor initializes the chain of extractors
|
||||||
|
*/
|
||||||
|
constructor() {
|
||||||
|
// Add extractors in order of preference/likelihood of success
|
||||||
|
this.extractors.push(
|
||||||
|
new StandardXMLExtractor(), // Standard PDF/A-3 embedded files
|
||||||
|
new AssociatedFilesExtractor(), // Associated files (ZUGFeRD v1, some Factur-X)
|
||||||
|
new TextXMLExtractor() // Text-based extraction (fallback)
|
||||||
|
);
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Extract XML from a PDF buffer
|
||||||
|
* Tries multiple extraction methods in sequence
|
||||||
* @param pdfBuffer PDF buffer
|
* @param pdfBuffer PDF buffer
|
||||||
* @returns XML content or null if not found
|
* @returns XML content or null if not found
|
||||||
*/
|
*/
|
||||||
public async extractXml(pdfBuffer: Uint8Array | Buffer): Promise<string | null> {
|
public async extractXml(pdfBuffer: Uint8Array | Buffer): Promise<string | null> {
|
||||||
try {
|
try {
|
||||||
// First try the standard extraction
|
console.log('Starting XML extraction from PDF...');
|
||||||
const standardXml = await this.standardExtraction(pdfBuffer);
|
|
||||||
if (standardXml && this.isValidXml(standardXml)) {
|
// Try each extractor in sequence
|
||||||
return standardXml;
|
for (const extractor of this.extractors) {
|
||||||
|
const extractorName = extractor.constructor.name;
|
||||||
|
console.log(`Trying extraction with ${extractorName}...`);
|
||||||
|
|
||||||
|
const xml = await extractor.extractXml(pdfBuffer);
|
||||||
|
if (xml) {
|
||||||
|
console.log(`Successfully extracted XML using ${extractorName}`);
|
||||||
|
return xml;
|
||||||
}
|
}
|
||||||
|
|
||||||
// If standard extraction fails, try alternative methods
|
console.log(`Extraction with ${extractorName} failed, trying next method...`);
|
||||||
const alternativeXml = await this.alternativeExtraction(pdfBuffer);
|
|
||||||
if (alternativeXml && this.isValidXml(alternativeXml)) {
|
|
||||||
return alternativeXml;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
// If all extraction methods fail, return null
|
// If all extractors fail, return null
|
||||||
console.warn('All extraction methods failed, no valid XML found in PDF');
|
console.warn('All extraction methods failed, no valid XML found in PDF');
|
||||||
return null;
|
return null;
|
||||||
} catch (error) {
|
} catch (error) {
|
||||||
@@ -33,255 +57,7 @@ export class PDFExtractor {
|
|||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
/**
|
|
||||||
* Standard extraction method using PDF-lib
|
|
||||||
* @param pdfBuffer PDF buffer
|
|
||||||
* @returns XML content or null if not found
|
|
||||||
*/
|
|
||||||
private async standardExtraction(pdfBuffer: Uint8Array | Buffer): Promise<string | null> {
|
|
||||||
try {
|
|
||||||
const pdfDoc = await PDFDocument.load(pdfBuffer);
|
|
||||||
|
|
||||||
// Get the document's metadata dictionary
|
|
||||||
const namesDictObj = pdfDoc.catalog.lookup(PDFName.of('Names'));
|
|
||||||
if (!(namesDictObj instanceof PDFDict)) {
|
|
||||||
console.warn('No Names dictionary found in PDF! This PDF does not contain embedded files.');
|
|
||||||
return null;
|
|
||||||
}
|
|
||||||
|
|
||||||
const embeddedFilesDictObj = namesDictObj.lookup(PDFName.of('EmbeddedFiles'));
|
|
||||||
if (!(embeddedFilesDictObj instanceof PDFDict)) {
|
|
||||||
console.warn('No EmbeddedFiles dictionary found! This PDF does not contain embedded files.');
|
|
||||||
return null;
|
|
||||||
}
|
|
||||||
|
|
||||||
const filesSpecObj = embeddedFilesDictObj.lookup(PDFName.of('Names'));
|
|
||||||
if (!(filesSpecObj instanceof PDFArray)) {
|
|
||||||
console.warn('No files specified in EmbeddedFiles dictionary!');
|
|
||||||
return null;
|
|
||||||
}
|
|
||||||
|
|
||||||
// Try to find an XML file in the embedded files
|
|
||||||
let xmlFile: PDFRawStream | undefined;
|
|
||||||
let xmlFileName: string | undefined;
|
|
||||||
|
|
||||||
for (let i = 0; i < filesSpecObj.size(); i += 2) {
|
|
||||||
const fileNameObj = filesSpecObj.lookup(i);
|
|
||||||
const fileSpecObj = filesSpecObj.lookup(i + 1);
|
|
||||||
|
|
||||||
if (!(fileNameObj instanceof PDFString)) {
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
if (!(fileSpecObj instanceof PDFDict)) {
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
|
|
||||||
// Get the filename as string
|
|
||||||
const fileName = fileNameObj.toString();
|
|
||||||
|
|
||||||
// Check if it's an XML file (checking both extension and known standard filenames)
|
|
||||||
if (fileName.toLowerCase().includes('.xml') ||
|
|
||||||
fileName.toLowerCase().includes('factur-x') ||
|
|
||||||
fileName.toLowerCase().includes('zugferd') ||
|
|
||||||
fileName.toLowerCase().includes('xrechnung')) {
|
|
||||||
|
|
||||||
const efDictObj = fileSpecObj.lookup(PDFName.of('EF'));
|
|
||||||
if (!(efDictObj instanceof PDFDict)) {
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
|
|
||||||
const maybeStream = efDictObj.lookup(PDFName.of('F'));
|
|
||||||
if (maybeStream instanceof PDFRawStream) {
|
|
||||||
// Found an XML file - save it
|
|
||||||
xmlFile = maybeStream;
|
|
||||||
xmlFileName = fileName;
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// If no XML file was found, return null
|
|
||||||
if (!xmlFile) {
|
|
||||||
console.warn('No embedded XML file found in the PDF!');
|
|
||||||
return null;
|
|
||||||
}
|
|
||||||
|
|
||||||
// Decompress and decode the XML content
|
|
||||||
try {
|
|
||||||
// Try to decompress with pako
|
|
||||||
const xmlCompressedBytes = xmlFile.getContents().buffer;
|
|
||||||
const xmlBytes = pako.inflate(xmlCompressedBytes);
|
|
||||||
const xmlContent = new TextDecoder('utf-8').decode(xmlBytes);
|
|
||||||
|
|
||||||
// Check if the XML content is valid
|
|
||||||
if (this.isValidXml(xmlContent)) {
|
|
||||||
console.log(`Successfully extracted XML from PDF file. File name: ${xmlFileName}`);
|
|
||||||
return xmlContent;
|
|
||||||
}
|
|
||||||
|
|
||||||
// If we get here, the XML content is not valid, try without decompression
|
|
||||||
console.log('Decompression succeeded but XML is not valid, trying without decompression...');
|
|
||||||
const rawXmlBytes = xmlFile.getContents();
|
|
||||||
const rawXmlContent = new TextDecoder('utf-8').decode(rawXmlBytes);
|
|
||||||
|
|
||||||
if (this.isValidXml(rawXmlContent)) {
|
|
||||||
console.log(`Successfully extracted uncompressed XML from PDF file. File name: ${xmlFileName}`);
|
|
||||||
return rawXmlContent;
|
|
||||||
}
|
|
||||||
|
|
||||||
// If we get here, neither the decompressed nor the raw XML content is valid
|
|
||||||
console.log('Neither decompressed nor raw XML content is valid');
|
|
||||||
return null;
|
|
||||||
} catch (decompressError) {
|
|
||||||
// Decompression failed, try without decompression
|
|
||||||
console.log('Decompression failed, trying without decompression...');
|
|
||||||
try {
|
|
||||||
const xmlBytes = xmlFile.getContents();
|
|
||||||
const xmlContent = new TextDecoder('utf-8').decode(xmlBytes);
|
|
||||||
|
|
||||||
if (this.isValidXml(xmlContent)) {
|
|
||||||
console.log(`Successfully extracted uncompressed XML from PDF file. File name: ${xmlFileName}`);
|
|
||||||
return xmlContent;
|
|
||||||
}
|
|
||||||
|
|
||||||
// If we get here, the XML content is not valid
|
|
||||||
console.log('Uncompressed XML content is not valid');
|
|
||||||
return null;
|
|
||||||
} catch (decodeError) {
|
|
||||||
console.error('Error decoding XML content:', decodeError);
|
|
||||||
return null;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
} catch (error) {
|
|
||||||
console.error('Error in standard extraction:', error);
|
|
||||||
return null;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Alternative extraction method using string search
|
|
||||||
* @param pdfBuffer PDF buffer
|
|
||||||
* @returns XML content or null if not found
|
|
||||||
*/
|
|
||||||
private async alternativeExtraction(pdfBuffer: Uint8Array | Buffer): Promise<string | null> {
|
|
||||||
try {
|
|
||||||
// Convert buffer to string and look for XML patterns
|
|
||||||
const pdfString = Buffer.from(pdfBuffer).toString('utf8', 0, Math.min(pdfBuffer.length, 10000));
|
|
||||||
|
|
||||||
// Look for common XML patterns in the PDF
|
|
||||||
const xmlPatterns = [
|
|
||||||
/<\?xml[^>]*\?>/i,
|
|
||||||
/<CrossIndustryInvoice[^>]*>/i,
|
|
||||||
/<Invoice[^>]*>/i,
|
|
||||||
/<CreditNote[^>]*>/i,
|
|
||||||
/<rsm:CrossIndustryInvoice[^>]*>/i
|
|
||||||
];
|
|
||||||
|
|
||||||
for (const pattern of xmlPatterns) {
|
|
||||||
const match = pdfString.match(pattern);
|
|
||||||
if (match) {
|
|
||||||
console.log(`Found XML pattern in PDF: ${match[0]}`);
|
|
||||||
|
|
||||||
// Try to extract the XML content
|
|
||||||
const xmlContent = this.extractXmlFromString(pdfString);
|
|
||||||
if (xmlContent) {
|
|
||||||
console.log('Successfully extracted XML from PDF string');
|
|
||||||
return xmlContent;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
return null;
|
|
||||||
} catch (error) {
|
|
||||||
console.error('Error in alternative extraction:', error);
|
|
||||||
return null;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Extracts XML from a string
|
|
||||||
* @param pdfString PDF string
|
|
||||||
* @returns XML content or null if not found
|
|
||||||
*/
|
|
||||||
private extractXmlFromString(pdfString: string): string | null {
|
|
||||||
try {
|
|
||||||
// Look for XML start and end tags
|
|
||||||
const xmlStartIndex = pdfString.indexOf('<?xml');
|
|
||||||
if (xmlStartIndex === -1) {
|
|
||||||
return null;
|
|
||||||
}
|
|
||||||
|
|
||||||
// Try to find the end of the XML document
|
|
||||||
const possibleEndTags = [
|
|
||||||
'</CrossIndustryInvoice>',
|
|
||||||
'</Invoice>',
|
|
||||||
'</CreditNote>',
|
|
||||||
'</rsm:CrossIndustryInvoice>'
|
|
||||||
];
|
|
||||||
|
|
||||||
let xmlEndIndex = -1;
|
|
||||||
for (const endTag of possibleEndTags) {
|
|
||||||
const endIndex = pdfString.indexOf(endTag);
|
|
||||||
if (endIndex !== -1) {
|
|
||||||
xmlEndIndex = endIndex + endTag.length;
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
if (xmlEndIndex === -1) {
|
|
||||||
return null;
|
|
||||||
}
|
|
||||||
|
|
||||||
// Extract the XML content
|
|
||||||
return pdfString.substring(xmlStartIndex, xmlEndIndex);
|
|
||||||
} catch (error) {
|
|
||||||
console.error('Error extracting XML from string:', error);
|
|
||||||
return null;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Checks if an XML string is valid
|
|
||||||
* @param xmlString XML string to check
|
|
||||||
* @returns True if the XML is valid
|
|
||||||
*/
|
|
||||||
private isValidXml(xmlString: string): boolean {
|
|
||||||
try {
|
|
||||||
// Check if the XML string contains basic XML structure
|
|
||||||
if (!xmlString.includes('<?xml')) {
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
|
|
||||||
// Check if the XML string contains known invoice formats
|
|
||||||
const knownFormats = [
|
|
||||||
'CrossIndustryInvoice',
|
|
||||||
'Invoice',
|
|
||||||
'CreditNote',
|
|
||||||
'ubl:Invoice',
|
|
||||||
'ubl:CreditNote'
|
|
||||||
];
|
|
||||||
|
|
||||||
const hasKnownFormat = knownFormats.some(format => xmlString.includes(format));
|
|
||||||
if (!hasKnownFormat) {
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
|
|
||||||
// Check if the XML string contains binary data or invalid characters
|
|
||||||
const invalidChars = ['\u0000', '\u0001', '\u0002', '\u0003', '\u0004', '\u0005'];
|
|
||||||
const hasBinaryData = invalidChars.some(char => xmlString.includes(char));
|
|
||||||
if (hasBinaryData) {
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
|
|
||||||
// Check if the XML string is too short
|
|
||||||
if (xmlString.length < 100) {
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
|
|
||||||
return true;
|
|
||||||
} catch (error) {
|
|
||||||
console.error('Error validating XML:', error);
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
|
|||||||
@@ -1,5 +1,7 @@
|
|||||||
import { InvoiceFormat } from '../../interfaces/common.js';
|
import { InvoiceFormat } from '../../interfaces/common.js';
|
||||||
import { DOMParser } from 'xmldom';
|
import { DOMParser } from 'xmldom';
|
||||||
|
import * as xpath from 'xpath';
|
||||||
|
import { CII_PROFILE_IDS, ZUGFERD_V1_NAMESPACES } from '../cii/cii.types.js';
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Utility class for detecting invoice formats
|
* Utility class for detecting invoice formats
|
||||||
@@ -26,12 +28,92 @@ export class FormatDetector {
|
|||||||
return InvoiceFormat.XRECHNUNG;
|
return InvoiceFormat.XRECHNUNG;
|
||||||
}
|
}
|
||||||
|
|
||||||
// Factur-X/ZUGFeRD detection (CrossIndustryInvoice root element)
|
// Factur-X/ZUGFeRD detection (CrossIndustryInvoice or CrossIndustryDocument root element)
|
||||||
if (root.nodeName === 'rsm:CrossIndustryInvoice' || root.nodeName === 'CrossIndustryInvoice') {
|
if (root.nodeName === 'rsm:CrossIndustryInvoice' || root.nodeName === 'CrossIndustryInvoice') {
|
||||||
// For simplicity, we'll treat all CII documents as Factur-X for now
|
// Set up namespaces for XPath queries (ZUGFeRD v2/Factur-X)
|
||||||
// In a real implementation, we would check for specific profiles
|
const namespaces = {
|
||||||
|
rsm: 'urn:un:unece:uncefact:data:standard:CrossIndustryInvoice:100',
|
||||||
|
ram: 'urn:un:unece:uncefact:data:standard:ReusableAggregateBusinessInformationEntity:100'
|
||||||
|
};
|
||||||
|
|
||||||
|
// Create XPath selector with namespaces
|
||||||
|
const select = xpath.useNamespaces(namespaces);
|
||||||
|
|
||||||
|
// Look for profile identifier
|
||||||
|
const profileNode = select(
|
||||||
|
'string(//rsm:ExchangedDocumentContext/ram:GuidelineSpecifiedDocumentContextParameter/ram:ID)',
|
||||||
|
doc
|
||||||
|
);
|
||||||
|
|
||||||
|
if (profileNode) {
|
||||||
|
const profileText = profileNode.toString();
|
||||||
|
|
||||||
|
// Check for ZUGFeRD profiles
|
||||||
|
if (profileText.includes('zugferd') ||
|
||||||
|
profileText === CII_PROFILE_IDS.ZUGFERD_BASIC ||
|
||||||
|
profileText === CII_PROFILE_IDS.ZUGFERD_COMFORT ||
|
||||||
|
profileText === CII_PROFILE_IDS.ZUGFERD_EXTENDED) {
|
||||||
|
return InvoiceFormat.ZUGFERD;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Check for Factur-X profiles
|
||||||
|
if (profileText.includes('factur-x') ||
|
||||||
|
profileText === CII_PROFILE_IDS.FACTURX_MINIMUM ||
|
||||||
|
profileText === CII_PROFILE_IDS.FACTURX_BASIC ||
|
||||||
|
profileText === CII_PROFILE_IDS.FACTURX_EN16931) {
|
||||||
return InvoiceFormat.FACTURX;
|
return InvoiceFormat.FACTURX;
|
||||||
}
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// If we can't determine the specific CII format, default to generic CII
|
||||||
|
return InvoiceFormat.CII;
|
||||||
|
}
|
||||||
|
|
||||||
|
// ZUGFeRD v1 detection (CrossIndustryDocument root element)
|
||||||
|
if (root.nodeName === 'rsm:CrossIndustryDocument' || root.nodeName === 'CrossIndustryDocument' ||
|
||||||
|
root.nodeName === 'ram:CrossIndustryDocument') {
|
||||||
|
|
||||||
|
// Check for ZUGFeRD v1 namespace in the document
|
||||||
|
const xmlString = xml.toString();
|
||||||
|
if (xmlString.includes('urn:ferd:CrossIndustryDocument:invoice:1p0') ||
|
||||||
|
xmlString.includes('urn:un:unece:uncefact:data:standard:ReusableAggregateBusinessInformationEntity:12')) {
|
||||||
|
return InvoiceFormat.ZUGFERD;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Set up namespaces for XPath queries (ZUGFeRD v1)
|
||||||
|
try {
|
||||||
|
const namespaces = {
|
||||||
|
rsm: ZUGFERD_V1_NAMESPACES.RSM,
|
||||||
|
ram: ZUGFERD_V1_NAMESPACES.RAM
|
||||||
|
};
|
||||||
|
|
||||||
|
// Create XPath selector with namespaces
|
||||||
|
const select = xpath.useNamespaces(namespaces);
|
||||||
|
|
||||||
|
// Look for profile identifier
|
||||||
|
const profileNode = select(
|
||||||
|
'string(//rsm:SpecifiedExchangedDocumentContext/ram:GuidelineSpecifiedDocumentContextParameter/ram:ID)',
|
||||||
|
doc
|
||||||
|
);
|
||||||
|
|
||||||
|
if (profileNode) {
|
||||||
|
const profileText = profileNode.toString();
|
||||||
|
|
||||||
|
// Check for ZUGFeRD v1 profiles
|
||||||
|
if (profileText.includes('ferd:CrossIndustryDocument:invoice:1p0') ||
|
||||||
|
profileText === CII_PROFILE_IDS.ZUGFERD_V1_BASIC ||
|
||||||
|
profileText === CII_PROFILE_IDS.ZUGFERD_V1_COMFORT ||
|
||||||
|
profileText === CII_PROFILE_IDS.ZUGFERD_V1_EXTENDED) {
|
||||||
|
return InvoiceFormat.ZUGFERD;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
} catch (error) {
|
||||||
|
console.log('Error in ZUGFeRD v1 XPath detection:', error);
|
||||||
|
}
|
||||||
|
|
||||||
|
// If we can't determine the specific profile but it's a CrossIndustryDocument, it's likely ZUGFeRD v1
|
||||||
|
return InvoiceFormat.ZUGFERD;
|
||||||
|
}
|
||||||
|
|
||||||
// FatturaPA detection would be implemented here
|
// FatturaPA detection would be implemented here
|
||||||
if (root.nodeName === 'FatturaElettronica' ||
|
if (root.nodeName === 'FatturaElettronica' ||
|
||||||
|
|||||||
24
ts/index.ts
24
ts/index.ts
@@ -27,6 +27,12 @@ import { CIIBaseValidator } from './formats/cii/cii.validator.js';
|
|||||||
// Import PDF utilities
|
// Import PDF utilities
|
||||||
import { PDFEmbedder } from './formats/pdf/pdf.embedder.js';
|
import { PDFEmbedder } from './formats/pdf/pdf.embedder.js';
|
||||||
import { PDFExtractor } from './formats/pdf/pdf.extractor.js';
|
import { PDFExtractor } from './formats/pdf/pdf.extractor.js';
|
||||||
|
import {
|
||||||
|
BaseXMLExtractor,
|
||||||
|
StandardXMLExtractor,
|
||||||
|
AssociatedFilesExtractor,
|
||||||
|
TextXMLExtractor
|
||||||
|
} from './formats/pdf/extractors/index.js';
|
||||||
|
|
||||||
// Import format detector
|
// Import format detector
|
||||||
import { FormatDetector } from './formats/utils/format.detector.js';
|
import { FormatDetector } from './formats/utils/format.detector.js';
|
||||||
@@ -36,6 +42,12 @@ import { FacturXDecoder } from './formats/cii/facturx/facturx.decoder.js';
|
|||||||
import { FacturXEncoder } from './formats/cii/facturx/facturx.encoder.js';
|
import { FacturXEncoder } from './formats/cii/facturx/facturx.encoder.js';
|
||||||
import { FacturXValidator } from './formats/cii/facturx/facturx.validator.js';
|
import { FacturXValidator } from './formats/cii/facturx/facturx.validator.js';
|
||||||
|
|
||||||
|
// Import ZUGFeRD implementation
|
||||||
|
import { ZUGFeRDDecoder } from './formats/cii/zugferd/zugferd.decoder.js';
|
||||||
|
import { ZUGFeRDEncoder } from './formats/cii/zugferd/zugferd.encoder.js';
|
||||||
|
import { ZUGFeRDValidator } from './formats/cii/zugferd/zugferd.validator.js';
|
||||||
|
import { ZUGFeRDV1Decoder } from './formats/cii/zugferd/zugferd.v1.decoder.js';
|
||||||
|
|
||||||
// Export interfaces
|
// Export interfaces
|
||||||
export type {
|
export type {
|
||||||
// Common interfaces
|
// Common interfaces
|
||||||
@@ -80,8 +92,18 @@ export { CIIBaseDecoder, CIIBaseEncoder, CIIBaseValidator };
|
|||||||
// Export Factur-X implementation
|
// Export Factur-X implementation
|
||||||
export { FacturXDecoder, FacturXEncoder, FacturXValidator };
|
export { FacturXDecoder, FacturXEncoder, FacturXValidator };
|
||||||
|
|
||||||
|
// Export ZUGFeRD implementation
|
||||||
|
export { ZUGFeRDDecoder, ZUGFeRDEncoder, ZUGFeRDValidator, ZUGFeRDV1Decoder };
|
||||||
|
|
||||||
// Export PDF utilities
|
// Export PDF utilities
|
||||||
export { PDFEmbedder, PDFExtractor };
|
export {
|
||||||
|
PDFEmbedder,
|
||||||
|
PDFExtractor,
|
||||||
|
BaseXMLExtractor,
|
||||||
|
StandardXMLExtractor,
|
||||||
|
AssociatedFilesExtractor,
|
||||||
|
TextXMLExtractor
|
||||||
|
};
|
||||||
|
|
||||||
// Export format detector
|
// Export format detector
|
||||||
export { FormatDetector };
|
export { FormatDetector };
|
||||||
|
|||||||
Reference in New Issue
Block a user