Extracted InvoiceDetails

e-invoice-api/src/main/kotlin/net/codinux/invoicing/api/InvoicingResource.kt

@@ -94,7 +94,7 @@ class InvoicingResource(
 
     private fun createPdfFileResponse(pdfFile: java.nio.file.Path, invoice: Invoice): Response =
         Response.ok(pdfFile)
-            .header("Content-Disposition", "attachment;filename=\"${invoice.invoiceDate.toString().replace('-', '.')} ${invoice.customer.name} ${invoice.invoiceNumber}.pdf\"")
+            .header("Content-Disposition", "attachment;filename=\"${invoice.details.invoiceDate.toString().replace('-', '.')} ${invoice.customer.name} ${invoice.details.invoiceNumber}.pdf\"")
             .build()
 
 }

e-invoice-domain/src/main/kotlin/net/codinux/invoicing/mapper/MustangMapper.kt

@@ -1,11 +1,10 @@
 package net.codinux.invoicing.mapper
 
 import net.codinux.invoicing.calculator.AmountsCalculator
-import net.codinux.invoicing.model.AmountAdjustments
-import net.codinux.invoicing.model.ChargeOrAllowance
-import net.codinux.invoicing.model.InvoiceItem
-import net.codinux.invoicing.model.Party
+import net.codinux.invoicing.model.*
 import org.mustangproject.*
+import org.mustangproject.BankDetails
+import org.mustangproject.Invoice
 import org.mustangproject.ZUGFeRD.IExportableTransaction
 import org.mustangproject.ZUGFeRD.IZUGFeRDExportableItem
 import java.math.BigDecimal
@@ -19,15 +18,15 @@ open class MustangMapper(
 ) {
 
     open fun mapToTransaction(invoice: net.codinux.invoicing.model.Invoice): IExportableTransaction = Invoice().apply {
-        this.number = invoice.invoiceNumber
-        this.issueDate = map(invoice.invoiceDate)
+        this.number = invoice.details.invoiceNumber
+        this.issueDate = map(invoice.details.invoiceDate)
         this.sender = mapParty(invoice.supplier)
         this.recipient = mapParty(invoice.customer)
 
         this.setZFItems(ArrayList(invoice.items.map { mapLineItem(it) }))
 
-        this.dueDate = map(invoice.dueDate)
-        this.paymentTermDescription = invoice.paymentDescription
+        this.dueDate = map(invoice.details.dueDate)
+        this.paymentTermDescription = invoice.details.paymentDescription
 
         this.referenceNumber = invoice.customerReference
 
@@ -92,15 +91,12 @@ open class MustangMapper(
 
 
     open fun mapToInvoice(invoice: Invoice) = net.codinux.invoicing.model.Invoice(
-        invoiceNumber = invoice.number,
-        invoiceDate = map(invoice.issueDate),
+        details = InvoiceDetails(invoice.number, map(invoice.issueDate), map(invoice.dueDate ?: invoice.paymentTerms?.dueDate), invoice.paymentTermDescription ?: invoice.paymentTerms?.description),
+
         supplier = mapParty(invoice.sender),
         customer = mapParty(invoice.recipient),
         items = invoice.zfItems.map { mapLineItem(it) },
 
-        dueDate = map(invoice.dueDate ?: invoice.paymentTerms?.dueDate),
-        paymentDescription = invoice.paymentTermDescription ?: invoice.paymentTerms?.description,
-
         customerReference = invoice.referenceNumber,
 
         amountAdjustments = mapAmountAdjustments(invoice),

e-invoice-domain/src/main/kotlin/net/codinux/invoicing/model/Invoice.kt

@@ -1,17 +1,11 @@
 package net.codinux.invoicing.model
 
-import java.time.LocalDate
-
 class Invoice(
-    val invoiceNumber: String,
-    val invoiceDate: LocalDate,
+    val details: InvoiceDetails,
     val supplier: Party,
     val customer: Party,
     val items: List<InvoiceItem>,
 
-    val dueDate: LocalDate? = null,
-    val paymentDescription: String? = null,
-
     /**
      * Unique reference number of the customer, e.g. the Leitweg-ID required by German authorities (Behörden)
      */
@@ -27,5 +21,5 @@ class Invoice(
      */
     var totalAmounts: TotalAmounts? = null
 ) {
-    override fun toString() = "$invoiceDate $invoiceNumber to $customer ${totalAmounts?.duePayableAmount?.let { " (${it.toPlainString()})" } ?: ""}"
+    override fun toString() = "$details to $customer ${totalAmounts?.duePayableAmount?.let { " (${it.toPlainString()})" } ?: ""}"
 }

e-invoice-domain/src/main/kotlin/net/codinux/invoicing/model/InvoiceDetails.kt

@@ -0,0 +1,13 @@
+package net.codinux.invoicing.model
+
+import java.time.LocalDate
+
+class InvoiceDetails(
+    val invoiceNumber: String,
+    val invoiceDate: LocalDate,
+
+    val dueDate: LocalDate? = null,
+    val paymentDescription: String? = null,
+) {
+    override fun toString() = "$invoiceDate $invoiceNumber"
+}

e-invoice-domain/src/test/kotlin/net/codinux/invoicing/Demonstration.kt

@@ -3,10 +3,7 @@ package net.codinux.invoicing
 import net.codinux.invoicing.creation.EInvoiceCreator
 import net.codinux.invoicing.email.model.EmailAccount
 import net.codinux.invoicing.email.EmailsFetcher
-import net.codinux.invoicing.model.EInvoiceXmlFormat
-import net.codinux.invoicing.model.Invoice
-import net.codinux.invoicing.model.InvoiceItem
-import net.codinux.invoicing.model.Party
+import net.codinux.invoicing.model.*
 import net.codinux.invoicing.reader.EInvoiceReader
 import net.codinux.invoicing.validation.EInvoiceValidator
 import java.io.File
@@ -84,8 +81,7 @@ class Demonstration {
 
 
     private fun createInvoice() = Invoice(
-        invoiceNumber = "RE-00001",
-        invoiceDate = LocalDate.now(),
+        details = InvoiceDetails("RE-00001", LocalDate.now()),
         supplier = Party("codinux GmbH & Co. KG", "Fun Street 1", null, "12345", "Glückstadt"),
         customer = Party("Abzock GmbH", "Ausbeutstr.", null, "12345", "Abzockhausen"),
         items = listOf(InvoiceItem("Erbrachte Dienstleistungen", BigDecimal(170), "HUR", BigDecimal(1_000_000), BigDecimal(19))) // HUR = EN code for hour

e-invoice-domain/src/test/kotlin/net/codinux/invoicing/test/DataGenerator.kt

@@ -1,9 +1,6 @@
 package net.codinux.invoicing.test
 
-import net.codinux.invoicing.model.BankDetails
-import net.codinux.invoicing.model.Invoice
-import net.codinux.invoicing.model.InvoiceItem
-import net.codinux.invoicing.model.Party
+import net.codinux.invoicing.model.*
 import java.math.BigDecimal
 import java.time.LocalDate
 import java.time.format.DateTimeFormatter
@@ -57,7 +54,7 @@ object DataGenerator {
         dueDate: LocalDate? = DueDate,
         paymentDescription: String? = dueDate?.let { "Zahlbar ohne Abzug bis ${DateTimeFormatter.ofPattern("dd.MM.yyyy").format(dueDate)}" },
         buyerReference: String? = null
-    ) = Invoice(invoiceNumber, invoiceDate, supplier, customer, items, dueDate, paymentDescription, buyerReference)
+    ) = Invoice(InvoiceDetails(invoiceNumber, invoiceDate, dueDate, paymentDescription), supplier, customer, items, buyerReference)
 
     fun createParty(
         name: String,

e-invoice-domain/src/test/kotlin/net/codinux/invoicing/test/InvoiceAsserter.kt

@@ -59,8 +59,8 @@ object InvoiceAsserter {
     fun assertInvoice(invoice: Invoice?) {
         assertThat(invoice).isNotNull()
 
-        assertThat(invoice!!.invoiceNumber).isEqualTo(DataGenerator.InvoiceNumber)
-        assertThat(invoice.invoiceDate).isEqualTo(DataGenerator.InvoiceDate)
+        assertThat(invoice!!.details.invoiceNumber).isEqualTo(DataGenerator.InvoiceNumber)
+        assertThat(invoice.details.invoiceDate).isEqualTo(DataGenerator.InvoiceDate)
 
         assertParty(invoice.supplier, DataGenerator.SupplierName, DataGenerator.SupplierAddress, DataGenerator.SupplierPostalCode, DataGenerator.SupplierCity, DataGenerator.SupplierCountry, DataGenerator.SupplierVatId, DataGenerator.SupplierEmail, DataGenerator.SupplierPhone, DataGenerator.SupplierBankDetails)