Kleinunternehmer Mode

Server/Components/Pages/InvoiceListPage.razor

@@ -1,5 +1,6 @@
 @page "/"
 @page "/invoices"
+@using Server.Data
 @using Server.Model
 @rendermode InteractiveServer
 
@@ -18,7 +19,18 @@
           <p class="card-text">
             @invoice.Customer?.Name<br />
             @invoice.Items.Count Artikel<br />
-            @($"{invoice.TotalNetto:N2} €") Netto<br />
+            @if (SettingsData.Instance.Kleinunternehmer)
+            {
+              @($"{invoice.TotalNetto:N2} €")<br />
+            }
+            else
+            {
+              <div>
+                @($"{invoice.TotalNetto:N2} €") Netto<br />
+                @($"{invoice.TotalBrutto:N2} €") Brutto<br />
+              </div>
+            }
+            
           </p>
           <a href="@($"edit/{invoice.InvoiceId}")" class="btn btn-sm btn-primary">Bearbeiten</a>
           <button class="btn btn-sm btn-info" @onclick="() => GenerateDocumentAsync(invoice)"><i class="fas fa-file-pdf"></i></button>

Server/Components/Pages/InvoicePage.razor

@@ -1,4 +1,5 @@
 @page "/edit/{InvoiceId}"
+@using QuestPDF
 @using Server.Data
 @using Server.Model
 @rendermode InteractiveServer
@@ -85,18 +86,21 @@
           <InputNumber TValue="double" class="form-control" @bind-Value="@item.Quantity"></InputNumber>
         </div>
         <div class="col-sm">
-          <label class="form-label mb-0">Price (Netto)</label>
+          <label class="form-label mb-0">Price @(SettingsData.Instance.Kleinunternehmer ? string.Empty : "(Netto)")</label>
           <InputNumber TValue="double" class="form-control" @bind-Value="@item.PriceNetto"></InputNumber>
         </div>
-        <div class="col-sm">
+        @if (!SettingsData.Instance.Kleinunternehmer)
-          <label class="form-label mb-0">Tax Type</label>
+        {
-          <InputSelect @bind-Value="@item.TaxType" class="form-select">
+          <div class="col-sm">
-            @foreach (var taxType in Enum.GetValues(typeof(TaxType)))
+            <label class="form-label mb-0">Tax Type</label>
-            {
+            <InputSelect @bind-Value="@item.TaxType" class="form-select">
-              <option value="@taxType">@taxType</option>
+              @foreach (var taxType in Enum.GetValues(typeof(TaxType)))
-            }
+              {
-          </InputSelect>
+                <option value="@taxType">@taxType</option>
-        </div>
+              }
+            </InputSelect>
+          </div>
+        }
       </div>
 
       <div class="mb-1 mt-2">

Server/Model/InvoiceDocument.cs

@@ -1,5 +1,6 @@
 using System.Globalization;
 using System.Net.Mime;
+using QuestPDF;
 using QuestPDF.Drawing;
 using QuestPDF.Fluent;
 using QuestPDF.Helpers;
@@ -39,7 +40,16 @@ namespace Server.Model
         {
             container.PaddingVertical(40).Column(outerColumn =>
             {
-                outerColumn.Item().Element(ComposeItemTable);
+                if (SettingsData.Instance.Kleinunternehmer)
+                {
+                    outerColumn.Item().Element(ComposeItemTableKleinunternehmer);
+                    outerColumn.Item().PaddingTop(10).Text("Im Sinne der Kleinunternehmerregelung nach § 19 UStG. enthält der ausgewiesene Betrag keine Umsatzsteuer.");
+                }
+                else
+                {
+                    outerColumn.Item().Element(ComposeItemTable);
+                }
+                    
                 
                 outerColumn.Item().Row(row =>
                 {
@@ -49,10 +59,14 @@ namespace Server.Model
                             col.Item().PaddingTop(25).Element(ComposeComments);
                     });
 
-                    row.AutoItem().Column(col =>
+                    if (!SettingsData.Instance.Kleinunternehmer)
                     {
-                        col.Item().Element(ComposeTaxTable);
+                        row.AutoItem().Column(col =>
-                    });
+                        {
+                            col.Item().Element(ComposeTaxTable);
+                        });
+                    }
+                    
                 });
                 
                 outerColumn.Spacing(5);
@@ -122,6 +136,61 @@ namespace Server.Model
             });
         }
 
+        private void ComposeItemTableKleinunternehmer(IContainer container)
+        {
+            container.Table(table =>
+            {
+                // Define columns
+                table.ColumnsDefinition(columns =>
+                {
+                    columns.RelativeColumn(3); // Beschreibung
+                    columns.ConstantColumn(20, Unit.Millimetre); // Menge
+                    columns.ConstantColumn(24, Unit.Millimetre); // Einzelpreis
+                    columns.ConstantColumn(24, Unit.Millimetre); // Gesamtpreis
+                });
+            
+                // Describe header
+                table.Header(header =>
+                {
+                    header.Cell().Element(CellStyle).Text("Beschreibung").SemiBold();
+                    header.Cell().Element(CellStyle).AlignCenter().Text("Menge").SemiBold();
+                    header.Cell().Element(CellStyle).AlignRight().Text("Einzelpreis").SemiBold();
+                    header.Cell().Element(CellStyle).AlignRight().Text("Gesamtpreis").SemiBold();
+                    
+                    static IContainer CellStyle(IContainer container)
+                    {
+                        return container.DefaultTextStyle(x => x.SemiBold()).BorderBottom(1).BorderColor(Colors.Black);
+                    }
+                });
+            
+                // Describe content
+                foreach (var item in Model.Items ?? [])
+                {
+                    
+                    // Beschreibung
+                    table.Cell().Element(CellStyle).Column(column =>
+                    {
+                        column.Item().Text(item.Name);
+                        if(!string.IsNullOrWhiteSpace(item.Description)) 
+                            column.Item().TextSmall(item.Description);
+                    });
+                    
+                    table.Cell().Element(CellStyle).AlignCenter().Text(txt => txt.Span($"{item.Quantity:N2}"));
+
+                    // string as currency format
+                    table.Cell().Element(CellStyle).AlignRight().Text($"{item.PriceNetto:N2} €");
+                    table.Cell().Element(CellStyle).AlignRight().Text($"{item.PriceNetto * item.Quantity:N2} €");
+                }
+                
+                table.Cell().ColumnSpan(3).Element(CellStyle).PaddingTop(10).Text("Rechnungsbetrag").Medium();
+                table.Cell().Element(CellStyle).PaddingTop(10).AlignRight().Text($"{Model.Items.Sum(x=> x.PriceNetto*x.Quantity):N2} €").Medium();
+                
+                return;
+
+                static IContainer CellStyle(IContainer container) => container.BorderBottom(1).BorderColor(Colors.Grey.Lighten2).PaddingVertical(5);
+            });
+        }
+        
         private void ComposeItemTable(IContainer container)
         {
             container.Table(table =>
@@ -141,7 +210,6 @@ namespace Server.Model
                 // Describe header
                 table.Header(header =>
                 {
-                    
                     header.Cell().Text("").SemiBold();
                     header.Cell().Text("").SemiBold();
                     header.Cell().AlignRight().Text("Einzelpreis").SemiBold();
@@ -260,7 +328,7 @@ namespace Server.Model
                     
                     row.RelativeItem().AlignMiddle().PaddingRight(10, Unit.Millimetre).Background(Colors.Red.Medium).Column(col =>
                     {
-                        col.Item().AlignRight().Text("www.example.com");
+                        //col.Item().AlignRight().Text("www.example.com");
                     });
                 });
                 

Server/Model/InvoiceModel.cs

@@ -16,6 +16,7 @@
         public PaymentData? PaymentData { get; set; }
         
         public double TotalNetto => Items?.Sum(x => x.PriceNetto*x.Quantity) ?? 0d;
+        public double TotalBrutto => Items?.Sum(x => x.PriceBrutto*x.Quantity) ?? 0d;
     }
 
     public class PaymentData