feat(compliance): improve compliance

ts/formats/ubl/xrechnung/xrechnung.decoder.ts

@@ -70,7 +70,11 @@ export class XRechnungDecoder extends UBLBaseDecoder {
 
           const position = i + 1;
           const name = this.getText('./cac:Item/cbc:Name', line) || `Item ${position}`;
+          const description = this.getText('./cac:Item/cbc:Description', line) || '';
           const articleNumber = this.getText('./cac:Item/cac:SellersItemIdentification/cbc:ID', line) || '';
+          const buyerItemID = this.getText('./cac:Item/cac:BuyersItemIdentification/cbc:ID', line) || '';
+          const standardItemID = this.getText('./cac:Item/cac:StandardItemIdentification/cbc:ID', line) || '';
+          const commodityClassification = this.getText('./cac:Item/cac:CommodityClassification/cbc:ItemClassificationCode', line) || '';
           const unitType = this.getText('./cbc:InvoicedQuantity/@unitCode', line) || 'EA';
 
           let unitQuantity = 1;
@@ -91,7 +95,8 @@ export class XRechnungDecoder extends UBLBaseDecoder {
             vatPercentage = parseFloat(percentText) || 0;
           }
 
-          items.push({
+          // Create item with extended metadata
+          const item: finance.TAccountingDocItem & { metadata?: any } = {
             position,
             name,
             articleNumber,
@@ -99,10 +104,57 @@ export class XRechnungDecoder extends UBLBaseDecoder {
             unitQuantity,
             unitNetPrice,
             vatPercentage
-          });
+          };
+
+          // Extract additional item properties
+          const additionalProps: Record<string, string> = {};
+          const propNodes = this.select('./cac:Item/cac:AdditionalItemProperty', line);
+          if (propNodes && Array.isArray(propNodes)) {
+            for (const propNode of propNodes) {
+              const propName = this.getText('./cbc:Name', propNode);
+              const propValue = this.getText('./cbc:Value', propNode);
+              if (propName && propValue) {
+                additionalProps[propName] = propValue;
+              }
+            }
+          }
+          
+          // Store additional item data in metadata
+          if (description || buyerItemID || standardItemID || commodityClassification || Object.keys(additionalProps).length > 0) {
+            item.metadata = {
+              description,
+              buyerItemID,
+              standardItemID,
+              commodityClassification,
+              additionalProperties: additionalProps
+            };
+          }
+
+          items.push(item);
         }
       }
 
+      // Extract business references
+      const orderReference = this.getText('//cac:OrderReference/cbc:ID', this.doc);
+      const contractReference = this.getText('//cac:ContractDocumentReference/cbc:ID', this.doc);
+      const projectReference = this.getText('//cac:ProjectReference/cbc:ID', this.doc);
+
+      // Extract payment information
+      const paymentMeansCode = this.getText('//cac:PaymentMeans/cbc:PaymentMeansCode', this.doc);
+      const paymentID = this.getText('//cac:PaymentMeans/cbc:PaymentID', this.doc);
+      const iban = this.getText('//cac:PaymentMeans/cac:PayeeFinancialAccount/cbc:ID', this.doc);
+      const bic = this.getText('//cac:PaymentMeans/cac:PayeeFinancialAccount/cac:FinancialInstitutionBranch/cac:FinancialInstitution/cbc:ID', this.doc);
+      const accountName = this.getText('//cac:PaymentMeans/cac:PayeeFinancialAccount/cbc:Name', this.doc);
+      
+      // Extract payment terms with discount
+      const paymentTermsNote = this.getText('//cac:PaymentTerms/cbc:Note', this.doc);
+      const discountPercent = this.getText('//cac:PaymentTerms/cbc:SettlementDiscountPercent', this.doc);
+
+      // Extract period information
+      const periodStart = this.getText('//cac:InvoicePeriod/cbc:StartDate', this.doc);
+      const periodEnd = this.getText('//cac:InvoicePeriod/cbc:EndDate', this.doc);
+      const deliveryDate = this.getText('//cac:Delivery/cbc:ActualDeliveryDate', this.doc);
+
       // Extract notes
       const notes: string[] = [];
       const noteNodes = this.select('//cbc:Note', this.doc);
@@ -119,8 +171,8 @@ export class XRechnungDecoder extends UBLBaseDecoder {
       const seller = this.extractParty('//cac:AccountingSupplierParty/cac:Party');
       const buyer = this.extractParty('//cac:AccountingCustomerParty/cac:Party');
 
-      // Create the common invoice data
-      return {
+      // Create the common invoice data with metadata for business references
+      const invoiceData: any = {
         type: 'accounting-doc' as const,
         accountingDocType: 'invoice' as const,
         id: invoiceId,
@@ -141,8 +193,35 @@ export class XRechnungDecoder extends UBLBaseDecoder {
         reverseCharge: false,
         currency: currencyCode as finance.TCurrency,
         notes: notes,
-        objectActions: []
+        objectActions: [],
+        metadata: {
+          format: 'xrechnung' as any,
+          version: '1.0.0',
+          extensions: {
+            businessReferences: {
+              orderReference,
+              contractReference,
+              projectReference
+            },
+            paymentInformation: {
+              paymentMeansCode,
+              paymentID,
+              iban,
+              bic,
+              accountName,
+              paymentTermsNote,
+              discountPercent
+            },
+            dateInformation: {
+              periodStart,
+              periodEnd,
+              deliveryDate
+            }
+          }
+        }
       };
+      
+      return invoiceData;
     } catch (error) {
       console.error('Error extracting common data:', error);
       // Return default data
@@ -190,6 +269,9 @@ export class XRechnungDecoder extends UBLBaseDecoder {
       let vatId = '';
       let registrationId = '';
       let registrationName = '';
+      let contactPhone = '';
+      let contactEmail = '';
+      let contactName = '';
 
       // Try to extract party information
       const partyNodes = this.select(partyPath, this.doc);
@@ -230,9 +312,19 @@ export class XRechnungDecoder extends UBLBaseDecoder {
           registrationId = this.getText('./cbc:CompanyID', legalEntityNodes[0]) || '';
           registrationName = this.getText('./cbc:RegistrationName', legalEntityNodes[0]) || name;
         }
+
+        // Extract contact information
+        const contactNodes = this.select('./cac:Contact', party);
+        if (contactNodes && Array.isArray(contactNodes) && contactNodes.length > 0) {
+          const contact = contactNodes[0];
+          contactPhone = this.getText('./cbc:Telephone', contact) || '';
+          contactEmail = this.getText('./cbc:ElectronicMail', contact) || '';
+          contactName = this.getText('./cbc:Name', contact) || '';
+        }
       }
 
-      return {
+      // Create contact with additional metadata for contact information
+      const contact: business.TContact & { metadata?: any } = {
         type: 'company',
         name: name,
         description: '',
@@ -256,6 +348,19 @@ export class XRechnungDecoder extends UBLBaseDecoder {
           registrationName: registrationName
         }
       };
+
+      // Store contact information in metadata if available
+      if (contactPhone || contactEmail || contactName) {
+        contact.metadata = {
+          contactInformation: {
+            phone: contactPhone,
+            email: contactEmail,
+            name: contactName
+          }
+        };
+      }
+
+      return contact;
     } catch (error) {
       console.error('Error extracting party information:', error);
       return this.createEmptyContact();