Add manual Excel column mapping

TrafagSalesExporter/Models/CentralSalesRecord.cs

@@ -14,6 +14,7 @@ public class CentralSalesRecord
     public string SourceSystem { get; set; } = string.Empty;
     public DateTime ExtractionDate { get; set; }
     public string Tsc { get; set; } = string.Empty;
+    public int DocumentEntry { get; set; }
     public string InvoiceNumber { get; set; } = string.Empty;
     public int PositionOnInvoice { get; set; }
     public string Material { get; set; } = string.Empty;

TrafagSalesExporter/Models/ConfigTransferPackage.cs

@@ -15,6 +15,7 @@ public class ConfigTransferPackage
     public List<ConfigTransferSapSourceDefinition> SapSourceDefinitions { get; set; } = [];
     public List<ConfigTransferSapJoinDefinition> SapJoinDefinitions { get; set; } = [];
     public List<ConfigTransferSapFieldMapping> SapFieldMappings { get; set; } = [];
+    public List<ConfigTransferManualExcelColumnMapping> ManualExcelColumnMappings { get; set; } = [];
 }
 
 public class ConfigTransferSourceSystemDefinition
@@ -124,3 +125,13 @@ public class ConfigTransferSapFieldMapping
     public bool IsActive { get; set; } = true;
     public int SortOrder { get; set; }
 }
+
+public class ConfigTransferManualExcelColumnMapping
+{
+    public string SiteKey { get; set; } = string.Empty;
+    public string TargetField { get; set; } = string.Empty;
+    public string SourceHeader { get; set; } = string.Empty;
+    public bool IsRequired { get; set; }
+    public bool IsActive { get; set; } = true;
+    public int SortOrder { get; set; }
+}

TrafagSalesExporter/Models/ManualExcelColumnMapping.cs

@@ -0,0 +1,26 @@
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace TrafagSalesExporter.Models;
+
+public class ManualExcelColumnMapping
+{
+    public int Id { get; set; }
+
+    public int SiteId { get; set; }
+
+    [ForeignKey(nameof(SiteId))]
+    public Site? Site { get; set; }
+
+    [Required]
+    public string TargetField { get; set; } = nameof(SalesRecord.Material);
+
+    [Required]
+    public string SourceHeader { get; set; } = string.Empty;
+
+    public bool IsRequired { get; set; }
+
+    public bool IsActive { get; set; } = true;
+
+    public int SortOrder { get; set; }
+}

TrafagSalesExporter/Models/SalesRecord.cs

@@ -4,6 +4,7 @@ public class SalesRecord
 {
     public DateTime ExtractionDate { get; set; }
     public string Tsc { get; set; } = string.Empty;
+    public int DocumentEntry { get; set; }
     public string InvoiceNumber { get; set; } = string.Empty;
     public int PositionOnInvoice { get; set; }
     public string Material { get; set; } = string.Empty;