Addet a backbutton to home page and fix the pr error

Reviewed-on: #3

PointOfSale/.dockerignore

@@ -0,0 +1,35 @@
+**/.classpath
+**/.dockerignore
+**/.env
+**/.git
+**/.gitignore
+**/.project
+**/.settings
+**/.toolstarget
+**/.vs
+**/.vscode
+**/*.*proj.user
+**/*.dbmdl
+**/*.jfm
+**/azds.yaml
+**/bin
+**/charts
+**/docker-compose*
+**/Dockerfile*
+**/node_modules
+**/npm-debug.log
+**/obj
+**/secrets.dev.yaml
+**/values.dev.yaml
+LICENSE
+README.md
+!**/.gitignore
+!.git/HEAD
+!.git/config
+!.git/packed-refs
+!.git/refs/heads/**
+database-backup/
+.env
+
+database-data/
+

PointOfSale/.gitignore

@@ -360,3 +360,10 @@ MigrationBackup/
 
 # Fody - auto-generated XML schema
 FodyWeavers.xsd
+
+# Local Docker database data and secrets
+.env
+database-backup/
+
+database-data/
+

PointOfSale/EpsonPrinterLinux/EpsonPrinter.csproj

@@ -20,4 +20,8 @@
 		<PackageReference Include="Swashbuckle.AspNetCore" Version="10.1.7" />
 	</ItemGroup>
 
+	<ItemGroup>
+	  <ProjectReference Include="..\Pos.ServiceDefaults\Pos.ServiceDefaults.csproj" />
+	</ItemGroup>
+
 </Project>

PointOfSale/EpsonPrinterLinux/Program.cs

@@ -4,6 +4,8 @@ using Microsoft.Extensions.DependencyInjection;
 
 var builder = WebApplication.CreateBuilder(args);
 
+builder.AddServiceDefaults();
+
 // Services
 builder.Services.AddControllers();
 builder.Services.AddEndpointsApiExplorer();
@@ -13,6 +15,8 @@ builder.Services.AddScoped<EpsonPrintService>();
 
 var app = builder.Build();
 
+app.MapDefaultEndpoints();
+
 // Swagger (altid aktiv – vi er på en Pi, ikke i produktion)
 app.UseSwagger();
 app.UseSwaggerUI();

PointOfSale/EpsonPrinterLinux/Properties/launchSettings.json

@@ -19,7 +19,7 @@
     },
     "EpsonPrinter": {
       "commandName": "Project",
-      "dotnetRunMessages": "true",
+      "dotnetRunMessages": true,
       "launchBrowser": true,
       "launchUrl": "swagger",
       "applicationUrl": "https://localhost:5001;http://localhost:5000",

PointOfSale/EpsonPrinterLinux/printer-preview.txt

@@ -10,3 +10,9 @@ Buket..............1 á 50,50 DKK :     50,50 DKK
 Total:                                 50,50 DKK
 Moms udgør 25% :                       12,63 DKK
 Tak for handlen
+Dato: 30-07-2026
+-----------------------------------
+string : .00
+-----------------------------------
+Total salg: .00
+Antal kunder: 0

PointOfSale/Pos.AppHost/AppHost.cs

@@ -1,5 +1,11 @@
 var builder = DistributedApplication.CreateBuilder(args);
 
-builder.AddProject<Projects.Database>("database");
+var epsonPrinter =
+    builder.AddProject<Projects.EpsonPrinter>("epsonprinter");
+
+builder
+    .AddProject<Projects.Pos_Web>("pos-web")
+    .WithReference(epsonPrinter)
+    .WaitFor(epsonPrinter);
 
 builder.Build().Run();

PointOfSale/Pos.AppHost/Pos.AppHost.csproj

@@ -9,7 +9,8 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <ProjectReference Include="..\Pos.Ui\Database\Database.csproj" />
+    <ProjectReference Include="..\EpsonPrinterLinux\EpsonPrinter.csproj" />
+    <ProjectReference Include="..\Pos.Web\Pos.Web.csproj" />
   </ItemGroup>
 
 </Project>

PointOfSale/Pos.Models/AmountGridModel.cs

@@ -8,8 +8,8 @@ namespace Pos.Models
 {
     public class AmountGridModel
     {
-        public string PaymentMethodText { get; set; }
+        public string PaymentMethodText { get; set; } = string.Empty;
         public decimal Amount { get; set; }
-        public string AmountText { get; set; }
+        public string AmountText { get; set; } = string.Empty;
     }
 }

PointOfSale/Pos.Models/Json/BodyModel.cs

@@ -8,11 +8,11 @@ namespace Pos.Json
 {
     public class BodyModel
     {
-        public ProductModel[] products { get; set; }
+        public ProductModel[] products { get; set; } = Array.Empty<ProductModel>();
         public float totalPrice { get; set; }
         public float totalVat { get; set; }
         public int receiptNumber { get; set; }
-        public string receiptTime { get; set; }
+        public string receiptTime { get; set; } = string.Empty;
-        public string staff { get; set; }
+        public string staff { get; set; } = string.Empty;
     }
 }

PointOfSale/Pos.Models/Json/FooterModel.cs

@@ -8,8 +8,8 @@ namespace Pos.Json
 {
     public class FooterModel
     {
-        public string value { get; set; }
+        public string value { get; set; } = string.Empty;
-        public PrintStylesModel printStyles { get; set; }
+        public PrintStylesModel printStyles { get; set; } = new();
         public int textAlignment { get; set; }
         public int feedingLines { get; set; }
     }

PointOfSale/Pos.Models/Json/HeaderModel.cs

@@ -8,8 +8,8 @@ namespace Pos.Json
 {
     public class HeaderModel
     {
-        public string value { get; set; }
+        public string value { get; set; } = string.Empty;
-        public PrintStylesModel printStyles { get; set; }
+        public PrintStylesModel printStyles { get; set; } = new();
         public int textAlignment { get; set; }
         public int feedingLines { get; set; }
     }

PointOfSale/Pos.Models/Json/PosReceipt.cs

@@ -8,9 +8,9 @@ namespace Pos.Json
 {
     public class PosReceipt
     {
-        public string logoBase64 { get; set; }
+        public string logoBase64 { get; set; } = string.Empty;
-        public HeaderModel[] header { get; set; }
+        public HeaderModel[] header { get; set; } = Array.Empty<HeaderModel>();
         public BodyModel bodyModel { get; set; } = new();
-        public FooterModel[] footer { get; set; }
+        public FooterModel[] footer { get; set; } = Array.Empty<FooterModel>();
     }
 }

PointOfSale/Pos.Models/Json/ProductModel.cs

@@ -8,8 +8,8 @@ namespace Pos.Json
 {
     public class ProductModel
     {
-        public string product { get; set; }
+        public string product { get; set; } = string.Empty;
-        public string noOfProduct { get; set; }
+        public string noOfProduct { get; set; } = string.Empty;
         public float price { get; set; }
         public float totalPrice { get; set; }
     }

PointOfSale/Pos.Models/Json/SaleOfDayModel.cs

@@ -13,7 +13,7 @@ namespace Pos.Json
 
     public class SaleOfDayDetail
     {
-        public string Category { get; set; }
+        public string Category { get; set; } = string.Empty;
         public decimal TotalSale { get; set; }
     }
 }

PointOfSale/Pos.Models/Pos.Models.csproj

@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net10.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

PointOfSale/Pos.Models/PriceLineModel.cs

@@ -8,7 +8,7 @@ namespace Pos.Models
 {
     public class PriceLineModel
     {
-        public string Name { get; set; }
+        public string Name { get; set; } = string.Empty;
         public int NumberProducts { get; set; }
         public decimal Price { get; set; }
         public int Id { get; set; }

PointOfSale/Pos.Models/ReceiptDetailModel.cs

@@ -0,0 +1,11 @@
+using System.Collections.Generic;
+
+namespace Pos.Models
+{
+    public class ReceiptDetailModel
+    {
+        public int SaleId { get; set; }
+        public List<ReceiptLineModel> Lines { get; set; } = new();
+        public decimal Total { get; set; }
+    }
+}

PointOfSale/Pos.Models/ReceiptLineModel.cs

@@ -0,0 +1,10 @@
+namespace Pos.Models
+{
+    public class ReceiptLineModel
+    {
+        public string Product { get; set; } = string.Empty;
+        public int Pieces { get; set; }
+        public decimal Price { get; set; }
+        public decimal Total { get; set; }
+    }
+}

PointOfSale/Pos.Models/ReceiptSummaryModel.cs

@@ -0,0 +1,11 @@
+using System;
+
+namespace Pos.Models
+{
+    public class ReceiptSummaryModel
+    {
+        public int SaleId { get; set; }
+        public DateTime SaleTime { get; set; }
+        public decimal Total { get; set; }
+    }
+}

PointOfSale/Pos.Models/SaleGridModel.cs

@@ -8,10 +8,10 @@ namespace Pos.Models
 {
     public class SaleGridModel
     {
-        public string Navn { get; set; }
+        public string Navn { get; set; } = string.Empty;
-        public string Stk { get; set; }
+        public string Stk { get; set; } = string.Empty;
-        public string Pris { get; set; }
+        public string Pris { get; set; } = string.Empty;
-        public string Total { get; set; }
+        public string Total { get; set; } = string.Empty;
-        public SaleGridInternalModel SaleGridInternalModel { get; set; }
+        public SaleGridInternalModel SaleGridInternalModel { get; set; } = new();
     }
 }

PointOfSale/Pos.Models/TotalSaleCategory.cs

@@ -8,8 +8,8 @@ namespace Pos.Models
 {
     public class TotalSaleCategory
     {
-        public string Category { get; set; }
+        public string Category { get; set; } = string.Empty;
         public decimal Sale { get; set; }
-        public string SaleString { get; set; }
+        public string SaleString { get; set; } = string.Empty;
     }
 }

PointOfSale/Pos.Models/TotalSaleDetail.cs

@@ -0,0 +1,11 @@
+using System.Collections.Generic;
+
+namespace Pos.Models;
+
+public class TotalSaleDetail
+{
+    public decimal TotalSale { get; set; }
+    public int TotalCustomer { get; set; }
+    public List<TotalSaleCategory> TotalSaleCategories { get; set; } = new();
+    public List<TotalSalePayment> PaymentBreakdown { get; set; } = new();
+}

PointOfSale/Pos.Models/TotalSalePayment.cs

@@ -0,0 +1,7 @@
+namespace Pos.Models;
+
+public class TotalSalePayment
+{
+    public string PaymentMethod { get; set; } = string.Empty;
+    public decimal Amount { get; set; }
+}

PointOfSale/Pos.Service/CacheService.cs

@@ -10,8 +10,8 @@ namespace Pos.Service
 
         private static bool _invalidEmployee = false;
         private static bool _invalidProductGroup = false;
-        private static List<EmployeeEntity> _employees;
+        private static List<EmployeeEntity> _employees = new();
-        private static List<ProductGroupEntity> _productGroups;
+        private static List<ProductGroupEntity> _productGroups = new();
 
 
         public static void Invalidate()

PointOfSale/Pos.Service/EmployeeService.cs

@@ -0,0 +1,67 @@
+using System;
+using System.Collections.Generic;
+using Database.Models;
+using Database.Repository;
+
+namespace Pos.Service
+{
+    public class EmployeeService
+    {
+        private readonly EmployeeRepository _employeeRepository =
+            new EmployeeRepository();
+
+        public List<EmployeeEntity> GetEmployees()
+        {
+            return _employeeRepository.GetAll();
+        }
+
+        public void AddEmployee(string name)
+        {
+            _employeeRepository.Add(ValidateName(name));
+            CacheService.Invalidate();
+        }
+
+        public void RenameEmployee(int employeeId, string name)
+        {
+            ValidateId(employeeId);
+            _employeeRepository.Edit(employeeId, ValidateName(name));
+            CacheService.Invalidate();
+        }
+
+        public void ArchiveEmployee(int employeeId)
+        {
+            ValidateId(employeeId);
+            _employeeRepository.Delete(employeeId);
+            CacheService.Invalidate();
+        }
+
+        private static string ValidateName(string name)
+        {
+            if (string.IsNullOrWhiteSpace(name))
+                throw new ArgumentException(
+                    "Medarbejderens navn skal være udfyldt.",
+                    nameof(name));
+
+            return name.Trim();
+        }
+
+        private static void ValidateId(int employeeId)
+        {
+            if (employeeId <= 0)
+                throw new ArgumentOutOfRangeException(nameof(employeeId));
+        }
+
+        public async Task<List<EmployeeEntity>> GetEmployeesAsync()
+        {
+            return await _employeeRepository.GetAllAsync();
+        }
+
+        public async Task<EmployeeEntity> AddEmployeeAsync(string name)
+        {
+            EmployeeEntity employee =
+                await _employeeRepository.AddAsync(ValidateName(name));
+            CacheService.Invalidate();
+            return employee;
+        }
+    }
+}

PointOfSale/Pos.Service/IProductService.cs

@@ -0,0 +1,14 @@
+using System.Collections.Generic;
+using Database.Models;
+
+namespace Pos.Service;
+
+public interface IProductService
+{
+    List<ProductEntity> GetProducts(int productGroupId);
+    ProductEntity GetProduct(int productId);
+    void AddProduct(string name, int productGroupId);
+    void UpdateProduct(int productId, int productGroupId, string name);
+    void ArchiveProduct(int productId);
+    void UpdateOrder(int productGroupId, IReadOnlyList<int> orderedProductIds);
+}

PointOfSale/Pos.Service/Pos.Service.csproj

@@ -0,0 +1,19 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net10.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Extensions.Configuration.Abstractions" Version="10.0.10" />
+    <PackageReference Include="RestSharp" Version="108.0.3" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\Pos.Models\Pos.Models.csproj" />
+    <ProjectReference Include="..\Pos.Ui\Database\Database.csproj" />
+  </ItemGroup>
+
+</Project>

PointOfSale/Pos.Service/ProductGroupService.cs

@@ -0,0 +1,112 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Database.Models;
+using Database.Repository;
+
+namespace Pos.Service
+{
+    public class ProductGroupService
+    {
+        private readonly ProductGroupRepository _productGroupRepository =
+            new ProductGroupRepository();
+
+        public List<ProductGroupEntity> GetProductGroups()
+        {
+            return _productGroupRepository.GetAll();
+        }
+
+        public bool HasProductGroups()
+        {
+            return _productGroupRepository.Any();
+        }
+
+        public void AddProductGroup(string name, decimal vatRate)
+        {
+            _productGroupRepository.Add(
+                ValidateName(name),
+                ValidateVatRate(vatRate));
+            CacheService.Invalidate();
+        }
+
+        public void AddProductGroup(string name)
+        {
+            AddProductGroup(name, 25m);
+        }
+
+        public void RenameProductGroup(int productGroupId, string name)
+        {
+            ProductGroupEntity productGroup = _productGroupRepository.Get(productGroupId);
+            UpdateProductGroup(productGroupId, name, productGroup.VatRate);
+        }
+
+        public void UpdateProductGroup(
+            int productGroupId,
+            string name,
+            decimal vatRate)
+        {
+            ValidateId(productGroupId);
+            _productGroupRepository.Edit(
+                ValidateName(name),
+                ValidateVatRate(vatRate),
+                productGroupId);
+            CacheService.Invalidate();
+        }
+
+        public void ArchiveProductGroup(int productGroupId)
+        {
+            ValidateId(productGroupId);
+            _productGroupRepository.Archive(productGroupId);
+            CacheService.Invalidate();
+        }
+
+        public void UpdateOrder(IReadOnlyList<int> orderedProductGroupIds)
+        {
+            ValidateOrder(orderedProductGroupIds);
+            _productGroupRepository.SetOrder(orderedProductGroupIds);
+            CacheService.Invalidate();
+        }
+
+        private static string ValidateName(string name)
+        {
+            if (string.IsNullOrWhiteSpace(name))
+                throw new ArgumentException(
+                    "Produktgruppen skal have et navn.",
+                    nameof(name));
+
+            return name.Trim();
+        }
+
+        private static void ValidateId(int productGroupId)
+        {
+            if (productGroupId <= 0)
+                throw new ArgumentOutOfRangeException(nameof(productGroupId));
+        }
+
+        private static decimal ValidateVatRate(decimal vatRate)
+        {
+            if (vatRate < 0 || vatRate > 100)
+                throw new ArgumentOutOfRangeException(
+                    nameof(vatRate),
+                    "Momsen skal være mellem 0 og 100 procent.");
+
+            return decimal.Round(vatRate, 2);
+        }
+
+        private static void ValidateOrder(IReadOnlyList<int> orderedIds)
+        {
+            if (orderedIds == null)
+                throw new ArgumentNullException(nameof(orderedIds));
+
+            if (orderedIds.Any(id => id <= 0))
+                throw new ArgumentException(
+                    "Rækkefølgen indeholder et ugyldigt id.",
+                    nameof(orderedIds));
+
+            if (orderedIds.Distinct().Count() != orderedIds.Count)
+                throw new ArgumentException(
+                    "Rækkefølgen indeholder dubletter.",
+                    nameof(orderedIds));
+        }
+    }
+}

PointOfSale/Pos.Service/ProductService.cs

@@ -0,0 +1,97 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Database.Models;
+using Database.Repository;
+
+namespace Pos.Service
+{
+    public class ProductService
+    {
+        private readonly ProductRepository _productRepository =
+            new ProductRepository();
+
+        public List<ProductEntity> GetProducts(int productGroupId)
+        {
+            ValidateId(productGroupId, nameof(productGroupId));
+            return _productRepository.GetByProductGroup(productGroupId);
+        }
+
+        public ProductEntity GetProduct(int productId)
+        {
+            ValidateId(productId, nameof(productId));
+            return _productRepository.GetById(productId);
+        }
+
+        public void AddProduct(string name, int productGroupId)
+        {
+            ValidateId(productGroupId, nameof(productGroupId));
+            _productRepository.Add(ValidateName(name), productGroupId);
+            CacheService.Invalidate();
+        }
+
+        public void UpdateProduct(
+            int productId,
+            int productGroupId,
+            string name)
+        {
+            ValidateId(productId, nameof(productId));
+            ValidateId(productGroupId, nameof(productGroupId));
+            _productRepository.Update(
+                productId,
+                productGroupId,
+                ValidateName(name));
+            CacheService.Invalidate();
+        }
+
+        public void ArchiveProduct(int productId)
+        {
+            ValidateId(productId, nameof(productId));
+            _productRepository.Archive(productId);
+            CacheService.Invalidate();
+        }
+
+        public void UpdateOrder(
+            int productGroupId,
+            IReadOnlyList<int> orderedProductIds)
+        {
+            ValidateId(productGroupId, nameof(productGroupId));
+
+            if (orderedProductIds == null)
+                throw new ArgumentNullException(nameof(orderedProductIds));
+
+            if (orderedProductIds.Any(id => id <= 0))
+                throw new ArgumentException(
+                    "Rækkefølgen indeholder et ugyldigt id.",
+                    nameof(orderedProductIds));
+
+            if (orderedProductIds.Distinct().Count() != orderedProductIds.Count)
+                throw new ArgumentException(
+                    "Rækkefølgen indeholder dubletter.",
+                    nameof(orderedProductIds));
+
+            _productRepository.SetOrder(
+                productGroupId,
+                orderedProductIds);
+            CacheService.Invalidate();
+        }
+
+        private static string ValidateName(string name)
+        {
+            if (string.IsNullOrWhiteSpace(name))
+                throw new ArgumentException(
+                    "Produktet skal have et navn.",
+                    nameof(name));
+
+            return name.Trim();
+        }
+
+        private static void ValidateId(int id, string parameterName)
+        {
+            if (id <= 0)
+                throw new ArgumentOutOfRangeException(parameterName);
+        }
+    }
+}
+
+

PointOfSale/Pos.Service/SaleHistoryService.cs

@@ -0,0 +1,74 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Database.Models;
+using Database.Repository;
+using Pos.Models;
+
+namespace Pos.Service
+{
+    public class SaleHistoryService
+    {
+        private readonly SaleRepository _saleRepository =
+            new SaleRepository();
+
+        public List<ReceiptSummaryModel> Search(
+            DateTime startDate,
+            DateTime endDate)
+        {
+            if (endDate.Date < startDate.Date)
+                throw new ArgumentException(
+                    "Slutdatoen må ikke ligge før startdatoen.");
+
+            List<SaleEntity> sales =
+                _saleRepository.GetByDateRange(startDate, endDate);
+
+            List<ReceiptSummaryModel> receipts =
+                new List<ReceiptSummaryModel>();
+
+            foreach (SaleEntity sale in sales)
+            {
+                decimal total = _saleRepository
+                    .GetSaleLineBySaleId(sale.Id)
+                    .Sum(line => line.Total);
+
+                receipts.Add(new ReceiptSummaryModel
+                {
+                    SaleId = sale.Id,
+                    SaleTime = sale.Time,
+                    Total = total
+                });
+            }
+
+            return receipts;
+        }
+
+        public ReceiptDetailModel GetReceipt(int saleId)
+        {
+            if (saleId <= 0)
+                throw new ArgumentOutOfRangeException(nameof(saleId));
+
+            List<SaleLineEntity> saleLines =
+                _saleRepository.GetSaleLineBySaleId(saleId);
+
+            ReceiptDetailModel receipt = new ReceiptDetailModel
+            {
+                SaleId = saleId
+            };
+
+            foreach (SaleLineEntity saleLine in saleLines)
+            {
+                receipt.Lines.Add(new ReceiptLineModel
+                {
+                    Product = saleLine.Product,
+                    Pieces = saleLine.Pieces,
+                    Price = saleLine.Price,
+                    Total = saleLine.Total
+                });
+            }
+
+            receipt.Total = receipt.Lines.Sum(line => line.Total);
+            return receipt;
+        }
+    }
+}

PointOfSale/Pos.Service/SaleService.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.Configuration;
 using System.Linq;
@@ -84,7 +84,9 @@ namespace Pos.Service
 
             LoadConfig loadConfig = new LoadConfig();
             IConfiguration config = loadConfig.ByEnvironment();
-            string url = config["API:URL"];
+            string url = config["API:URL"]
+                ?? throw new InvalidOperationException(
+                    "API:URL mangler i konfigurationen.");
 
             RestClient restClient = new RestClient($"{url}/api/PosPrinter/SaleOfDay");
             RestRequest request = new RestRequest();
@@ -101,6 +103,34 @@ namespace Pos.Service
             foreach (SaleEntity sale in sales)
             {
                 List<SaleLineEntity> saleLineBySaleId = _saleRepository.GetSaleLineBySaleId(sale.Id);
+                List<PaymentEntity> paymentsBySaleId =
+                    _saleRepository.GetPaymentBySaleId(sale.Id);
+
+                foreach (PaymentEntity payment in paymentsBySaleId)
+                {
+                    string paymentMethod = string.IsNullOrWhiteSpace(payment.Type)
+                        ? "Ukendt"
+                        : payment.Type;
+
+                    TotalSalePayment? paymentSummary =
+                        totalSaleDetail.PaymentBreakdown
+                            .FirstOrDefault(item =>
+                                item.PaymentMethod == paymentMethod);
+
+                    if (paymentSummary is null)
+                    {
+                        totalSaleDetail.PaymentBreakdown.Add(
+                            new TotalSalePayment
+                            {
+                                PaymentMethod = paymentMethod,
+                                Amount = payment.Amount
+                            });
+                    }
+                    else
+                    {
+                        paymentSummary.Amount += payment.Amount;
+                    }
+                }
                 foreach (SaleLineEntity saleLine in saleLineBySaleId)
                 {
 
@@ -159,7 +189,9 @@ namespace Pos.Service
 
             LoadConfig loadConfig = new LoadConfig();
             IConfiguration config = loadConfig.ByEnvironment();
-            string apiUrl = config["API:URL"];
+            string apiUrl = config["API:URL"]
+                ?? throw new InvalidOperationException(
+                    "API:URL mangler i konfigurationen.");
             string url = $"{apiUrl}/api/PosPrinter/Receipt";
 
             RestClient restClient = new RestClient(url);
@@ -299,3 +331,4 @@ namespace Pos.Service
         }
     }
 }
+

PointOfSale/Pos.Service/SalesTransactionService.cs

@@ -0,0 +1,171 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Pos.Models;
+
+namespace Pos.Service
+{
+    /// <summary>
+    /// Holder styr på den igangværende handel og dens beregninger.
+    /// Servicen har ingen afhængighed til WPF eller web.
+    /// </summary>
+    public class SalesTransactionService
+    {
+        private readonly List<PriceLineModel> _saleLines = new List<PriceLineModel>();
+        private readonly List<AmountGridModel> _payments = new List<AmountGridModel>();
+
+        public IReadOnlyList<PriceLineModel> SaleLines => _saleLines;
+        public IReadOnlyList<AmountGridModel> Payments => _payments;
+
+        public decimal TotalPrice =>
+            _saleLines.Sum(line =>
+                CalculateLineTotal(line.Price, line.NumberProducts));
+
+        public decimal AmountPaid =>
+            _payments.Sum(payment => payment.Amount);
+
+        public decimal RemainingAmount =>
+            Math.Max(TotalPrice - AmountPaid, 0);
+
+        public decimal Change =>
+            Math.Max(AmountPaid - TotalPrice, 0);
+
+        public bool IsFullyPaid =>
+            TotalPrice > 0 && AmountPaid >= TotalPrice;
+
+        /// <summary>
+        /// Beregner totalen for en enkelt salgslinje.
+        /// Parsing og visning af resultatet er fortsat UI-ansvar.
+        /// </summary>
+        public decimal CalculateLineTotal(decimal price, int numberOfProducts)
+        {
+            ValidatePriceAndQuantity(price, numberOfProducts);
+            return price * numberOfProducts;
+        }
+
+        public PriceLineModel AddSaleLine(
+            int id,
+            string name,
+            int numberOfProducts,
+            decimal price,
+            bool isProductGroup)
+        {
+            if (id <= 0)
+                throw new ArgumentOutOfRangeException(
+                    nameof(id),
+                    "Id skal være større end 0.");
+
+            if (string.IsNullOrWhiteSpace(name))
+                throw new ArgumentException(
+                    "Navn skal være udfyldt.",
+                    nameof(name));
+
+            ValidatePriceAndQuantity(price, numberOfProducts);
+
+            PriceLineModel saleLine = new PriceLineModel
+            {
+                Id = id,
+                Name = name,
+                NumberProducts = numberOfProducts,
+                Price = price,
+                IsProductGroup = isProductGroup
+            };
+
+            _saleLines.Add(saleLine);
+            return saleLine;
+        }
+
+        public void RemoveSaleLineAt(int index)
+        {
+            if (index < 0 || index >= _saleLines.Count)
+                throw new ArgumentOutOfRangeException(nameof(index));
+
+            _saleLines.RemoveAt(index);
+        }
+
+        /// <summary>
+        /// Registrerer en betaling. Hvis amount er null, betales restbeløbet.
+        /// </summary>
+        public AmountGridModel AddPayment(
+            PaymentMethod paymentMethod,
+            decimal? amount = null)
+        {
+            if (_saleLines.Count == 0)
+                throw new InvalidOperationException(
+                    "Der kan ikke registreres betaling på et tomt salg.");
+
+            decimal paymentAmount = amount ?? RemainingAmount;
+
+            if (paymentAmount <= 0)
+                throw new ArgumentOutOfRangeException(
+                    nameof(amount),
+                    "Betalingsbeløbet skal være større end 0.");
+
+            AmountGridModel payment = new AmountGridModel
+            {
+                Amount = paymentAmount,
+                PaymentMethodText = GetPaymentMethodText(paymentMethod)
+            };
+
+            _payments.Add(payment);
+            return payment;
+        }
+
+        public void RemovePaymentAt(int index)
+        {
+            if (index < 0 || index >= _payments.Count)
+                throw new ArgumentOutOfRangeException(nameof(index));
+
+            _payments.RemoveAt(index);
+        }
+
+        public void EnsureCanComplete()
+        {
+            if (_saleLines.Count == 0)
+                throw new InvalidOperationException(
+                    "Et tomt salg kan ikke afsluttes.");
+
+            if (!IsFullyPaid)
+                throw new InvalidOperationException(
+                    "Salget er ikke fuldt betalt.");
+        }
+
+        public void Reset()
+        {
+            _saleLines.Clear();
+            _payments.Clear();
+        }
+
+        private static void ValidatePriceAndQuantity(
+            decimal price,
+            int numberOfProducts)
+        {
+            if (price < 0)
+                throw new ArgumentOutOfRangeException(
+                    nameof(price),
+                    "Prisen må ikke være negativ.");
+
+            if (numberOfProducts <= 0)
+                throw new ArgumentOutOfRangeException(
+                    nameof(numberOfProducts),
+                    "Antal skal være større end 0.");
+        }
+
+        private static string GetPaymentMethodText(PaymentMethod paymentMethod)
+        {
+            switch (paymentMethod)
+            {
+                case PaymentMethod.Card:
+                    return "Kort";
+                case PaymentMethod.Cash:
+                    return "Kontant";
+                case PaymentMethod.GiftCard:
+                    return "Gavekort";
+                case PaymentMethod.MobilePay:
+                    return "MobilePay";
+                default:
+                    throw new ArgumentOutOfRangeException(nameof(paymentMethod));
+            }
+        }
+    }
+}

PointOfSale/Pos.ServiceDefaults/Pos.ServiceDefaults.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net10.0</TargetFramework>
+    <TargetFrameworks>net8.0;net10.0</TargetFrameworks>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
     <IsAspireSharedProject>true</IsAspireSharedProject>

PointOfSale/Pos.Ui/Database/Database.csproj

@@ -7,6 +7,10 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.EntityFrameworkCore" Version="9.0.18" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="9.0.18" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="9.0.18">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
     <PackageReference Include="Microsoft.Extensions.Configuration" Version="10.0.10" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Abstractions" Version="10.0.10" />
     <PackageReference Include="Microsoft.Extensions.Configuration.FileExtensions" Version="10.0.10" />

PointOfSale/Pos.Ui/Database/LoadConfig.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
@@ -58,3 +58,7 @@ namespace Pos
         }
     }
 }
+
+
+
+

PointOfSale/Pos.Ui/Database/Migrations/20260827000000_AddProductGroupVatRate.cs

@@ -0,0 +1,27 @@
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+namespace Database.Migrations
+{
+    [DbContext(typeof(PosDbContext))]
+    [Migration("20260827000000_AddProductGroupVatRate")]
+    public class AddProductGroupVatRate : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<decimal>(
+                name: "VatRate",
+                table: "productgroup",
+                type: "decimal(5,2)",
+                nullable: false,
+                defaultValue: 25m);
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "VatRate",
+                table: "productgroup");
+        }
+    }
+}

PointOfSale/Pos.Ui/Database/Models/ProductGroupEntity.cs

@@ -16,6 +16,7 @@ namespace Database.Models
         public string Name { get; set; }
         public bool IsArchived { get; set; }
         public int Index { get; set; }
+        public decimal VatRate { get; set; }
 
         public ICollection<ProductEntity> Products { get; set; }
     }

PointOfSale/Pos.Ui/Database/PosDbContext.cs

@@ -1,4 +1,4 @@
-using Database.Models;
+using Database.Models;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.Logging;
@@ -17,14 +17,24 @@ namespace Database
         public DbSet<SaleLineEntity> SalesLines { get; set; }
         public DbSet<PaymentEntity> Payment { get; set; }
 
+        protected override void OnModelCreating(ModelBuilder modelBuilder)
+        {
+            modelBuilder.Entity<SaleLineEntity>()
+                .Property(saleLine => saleLine.Pieces)
+                .HasConversion<short>()
+                .HasColumnType("smallint");
+
+            base.OnModelCreating(modelBuilder);
+        }
+
         protected override void OnConfiguring(
            DbContextOptionsBuilder optionsBuilder)
         {
             LoadConfig l = new LoadConfig();
             IConfiguration config = l.ByEnvironment();
-            string connectionString = config["SqlServer"].ToString();
+            string connectionString = System.Environment.GetEnvironmentVariable("SqlServer") ?? config["SqlServer"].ToString();
             optionsBuilder
-                .UseSqlServer(connectionString)
+                .UseSqlServer(connectionString, sqlOptions => sqlOptions.EnableRetryOnFailure())
                 .UseLoggerFactory(LoggerFactory.Create(b => b
                     .AddFilter(level => level >= LogLevel.Information)))
                 .EnableSensitiveDataLogging()
@@ -33,3 +43,6 @@ namespace Database
         }
     }
 }
+
+
+

PointOfSale/Pos.Ui/Database/Repository/EmployeeRepository.cs

@@ -1,10 +1,11 @@
-using System;
+using Database.Models;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Configuration;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
-using Database.Models;
-using Microsoft.Extensions.Configuration;
 
 namespace Database.Repository
 {
@@ -58,5 +59,32 @@ namespace Database.Repository
         public void Dispose()
         {
         }
+
+        public async Task<List<EmployeeEntity>> GetAllAsync()
+        {
+            await using PosDbContext context = new PosDbContext();
+
+            return await context.Employee
+                .AsNoTracking()
+                .Where(employee => !employee.IsArchived)
+                .OrderBy(employee => employee.Name)
+                .ToListAsync();
+        }
+
+        public async Task<EmployeeEntity> AddAsync(string name)
+        {
+            EmployeeEntity employee = new EmployeeEntity
+            {
+                Name = name,
+                IsModified = true
+            };
+
+            await using PosDbContext context = new PosDbContext();
+
+            context.Employee.Add(employee);
+            await context.SaveChangesAsync();
+
+            return employee;
+        }
     }
 }

PointOfSale/Pos.Ui/Database/Repository/ProductGroupRepository.cs

@@ -28,10 +28,11 @@ namespace Database.Repository
             return product;
         }
 
-        public void Add(string name)
+        public void Add(string name, decimal vatRate)
         {
             ProductGroupEntity productGroup = new ProductGroupEntity();
             productGroup.Name = name;
+            productGroup.VatRate = vatRate;
             using PosDbContext context = new PosDbContext();
             //Get the highest index
             ProductGroupEntity highest = context.ProductGroups.OrderByDescending(c => c.Index).Take(1).FirstOrDefault();
@@ -45,11 +46,12 @@ namespace Database.Repository
             context.SaveChanges();
         }
 
-        public void Edit(string name, int id)
+        public void Edit(string name, decimal vatRate, int id)
         {
             using PosDbContext context = new PosDbContext();
             ProductGroupEntity productGroup = context.ProductGroups.Single(c => c.Id == id);
             productGroup.Name = name;
+            productGroup.VatRate = vatRate;
             context.SaveChanges();
         }
 
@@ -69,10 +71,30 @@ namespace Database.Repository
             context.SaveChanges();
         }
 
+        public void SetOrder(IReadOnlyList<int> orderedIds)
+        {
+            using PosDbContext context = new PosDbContext();
+            List<ProductGroupEntity> productGroups = context.ProductGroups
+                .Where(productGroup => orderedIds.Contains(productGroup.Id))
+                .ToList();
+
+            if (productGroups.Count != orderedIds.Count)
+                throw new InvalidOperationException(
+                    "En eller flere produktgrupper findes ikke.");
+
+            Dictionary<int, ProductGroupEntity> productGroupsById =
+                productGroups.ToDictionary(productGroup => productGroup.Id);
+
+            for (int index = 0; index < orderedIds.Count; index++)
+                productGroupsById[orderedIds[index]].Index = index;
+
+            context.SaveChanges();
+        }
+
         public bool Any()
         {
             using PosDbContext context = new PosDbContext();
-            bool any = context.ProductGroups.Any();
+            bool any = context.ProductGroups.Any(c => !c.IsArchived);
             return any;
         }
     }

PointOfSale/Pos.Ui/Database/Repository/ProductRepository.cs

@@ -1,6 +1,7 @@
 
 
 using System.Collections.Generic;
+using System;
 using System.Linq;
 using Database.Models;
 
@@ -38,6 +39,33 @@ namespace Database.Repository
             context.SaveChanges();
         }
 
+        public void SetOrder(
+            int productGroupId,
+            IReadOnlyList<int> orderedIds)
+        {
+            using PosDbContext context = new PosDbContext();
+            List<ProductEntity> products = context.Products
+                .Where(product => product.ProductGroupId == productGroupId)
+                .Where(product => orderedIds.Contains(product.Id))
+                .ToList();
+
+            if (products.Count != orderedIds.Count)
+                throw new InvalidOperationException(
+                    "Et eller flere produkter findes ikke i produktgruppen.");
+
+            Dictionary<int, ProductEntity> productsById =
+                products.ToDictionary(product => product.Id);
+
+            for (int index = 0; index < orderedIds.Count; index++)
+            {
+                ProductEntity product = productsById[orderedIds[index]];
+                product.Index = index;
+                product.IsModified = true;
+            }
+
+            context.SaveChanges();
+        }
+
         public ProductEntity GetById(int id)
         {
             using PosDbContext context = new PosDbContext();
@@ -72,7 +100,11 @@ namespace Database.Repository
             product.ProductGroupId = productGroupId;
             using PosDbContext context = new PosDbContext();
             //Get the highest index
-            ProductEntity highest = context.Products.OrderByDescending(c => c.Index).Take(1).FirstOrDefault();
+            ProductEntity highest = context.Products
+                .Where(c => c.ProductGroupId == productGroupId)
+                .OrderByDescending(c => c.Index)
+                .Take(1)
+                .FirstOrDefault();
             if (highest == null)
             {
                 highest = new ProductEntity();

PointOfSale/Pos.Ui/Pos/Models/TotalSaleDetail.cs

@@ -1,15 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace Pos.Models
-{
-    public  class TotalSaleDetail
-    {
-        public decimal TotalSale { get; set; }
-        public int TotalCustomer { get; set; }
-        public List<TotalSaleCategory> TotalSaleCategories { get; set; } = new();
-    }
-}

PointOfSale/Pos.Ui/Pos/Pos.csproj

@@ -18,12 +18,10 @@
     <None Remove="Icons\settings.png" />
   </ItemGroup>
 
-  <ItemGroup>
-    <PackageReference Include="RestSharp" Version="108.0.3" />
-  </ItemGroup>
-
   <ItemGroup>
     <ProjectReference Include="..\Database\Database.csproj" />
+    <ProjectReference Include="..\..\Pos.Models\Pos.Models.csproj" />
+    <ProjectReference Include="..\..\Pos.Service\Pos.Service.csproj" />
   </ItemGroup>
 
   <ItemGroup>

PointOfSale/Pos.Ui/Pos/PrintReceiptWindow.xaml.cs

@@ -11,8 +11,7 @@ using System.Windows.Input;
 using System.Windows.Media;
 using System.Windows.Media.Imaging;
 using System.Windows.Shapes;
-using Database.Models;
+using Pos.Models;
-using Database.Repository;
 using Pos.Service;
 
 namespace Pos
@@ -25,6 +24,9 @@ namespace Pos
         private List<ListReceiptModel> _receiptList = new List<ListReceiptModel>();
         private bool _init = false;
         private int _saleId = 0;
+        private readonly SaleHistoryService _saleHistoryService =
+            new SaleHistoryService();
+        private readonly SaleService _saleService = new SaleService();
 
         public PrintReceiptWindow()
         {
@@ -38,28 +40,39 @@ namespace Pos
 
         private void Search_OnClick(object sender, RoutedEventArgs e)
         {
-            DateTime startDate = (DateTime)StartDatePicker.SelectedDate;
+            if (StartDatePicker.SelectedDate is not DateTime startDate ||
-            DateTime endDate = (DateTime)EndDatePicker.SelectedDate;
+                EndDatePicker.SelectedDate is not DateTime endDate)
-            SaleRepository saleRepository = new SaleRepository();
+                return;
-            List<SaleEntity> saleEntities = saleRepository.GetByDateRange(startDate, endDate);
-            foreach (SaleEntity entity in saleEntities)
-            {
-                List<SaleLineEntity> saleLineBySaleId = saleRepository.GetSaleLineBySaleId(entity.Id);
-                decimal total = 0;
-                foreach (SaleLineEntity lineEntity in saleLineBySaleId)
-                {
-                    total += lineEntity.Total;
-                }
 
+            List<ReceiptSummaryModel> receipts;
+            try
+            {
+                receipts = _saleHistoryService.Search(startDate, endDate);
+            }
+            catch (ArgumentException exception)
+            {
+                MessageBox.Show(
+                    exception.Message,
+                    "Ugyldigt datointerval",
+                    MessageBoxButton.OK,
+                    MessageBoxImage.Warning);
+                return;
+            }
+
+            _receiptList.Clear();
+            foreach (ReceiptSummaryModel receipt in receipts)
+            {
                 ListReceiptModel receiptModel = new ListReceiptModel
                 {
-                    Id = entity.Id,
+                    Id = receipt.SaleId,
-                    Content = $"{entity.Time:dd-MM-yyyy HH:mm} - Pris: {total:0.00}"
+                    Content =
+                        $"{receipt.SaleTime:dd-MM-yyyy HH:mm} - Pris: {receipt.Total:0.00}"
                 };
                 _receiptList.Add(receiptModel);
             }
 
             _init = true;
+            ListReciept.ItemsSource = null;
             ListReciept.ItemsSource = _receiptList;
             _init = false;
         }
@@ -78,23 +91,21 @@ namespace Pos
 
         private void ListReciept_OnSelectionChanged(object sender, SelectionChangedEventArgs e)
         {
-            if (_init)
+            if (_init || e.AddedItems.Count == 0)
                 return;
 
             ListReceiptModel data = (ListReceiptModel) e.AddedItems[0];
             _saleId = data.Id;
-            SaleRepository saleRepository = new SaleRepository();
+            ReceiptDetailModel receipt =
-            List<SaleLineEntity> saleLineBySaleId = saleRepository.GetSaleLineBySaleId(data.Id);
+                _saleHistoryService.GetReceipt(data.Id);
             StringBuilder sb = new StringBuilder();
-            decimal total = 0;
+            foreach (ReceiptLineModel saleLine in receipt.Lines)
-            foreach (SaleLineEntity saleLine in saleLineBySaleId)
             {
-                total += saleLine.Total;
                 sb.AppendLine(
-                    $"{saleLine.Product} - {saleLine.Pieces} stk. a' {saleLine.Price.ToString("0.00")} = {saleLine.Total.ToString("0.00")}");
+                    $"{saleLine.Product} - {saleLine.Pieces} stk. a' {saleLine.Price:0.00} = {saleLine.Total:0.00}");
             }
 
-            sb.AppendLine($"Total: {total.ToString("0.00")} kr.");
+            sb.AppendLine($"Total: {receipt.Total:0.00} kr.");
             PrintReceipt.Visibility = Visibility.Visible;
             SaleLines.Clear();
             SaleLines.Text = sb.ToString();
@@ -102,8 +113,7 @@ namespace Pos
 
         private void PrintReceipt_OnClick(object sender, RoutedEventArgs e)
         {
-            SaleService saleService = new SaleService();
+            _saleService.PrintReceipt(_saleId);
-            saleService.PrintReceipt(_saleId);
         }
     }
 }

PointOfSale/Pos.Ui/Pos/SaleOfDay.xaml.cs

@@ -13,11 +13,11 @@ namespace Pos
     {
         private bool _initialLoad = true;
         private TotalSaleDetail totalSaleDetail;
+        private readonly SaleService _saleService = new SaleService();
         public SaleOfDay()
         {
             InitializeComponent();
-            SaleService saleService = new SaleService();
+            totalSaleDetail = _saleService.TotalSale(DateTime.Now);
-            totalSaleDetail = saleService.TotalSale(DateTime.Now);
             TotalSale.Content = $"Dagens salg: kr. {totalSaleDetail.TotalSale:0.00}";
             StartDatePicker.SelectedDate = DateTime.Now;
             GridSaleDetail.ItemsSource = totalSaleDetail.TotalSaleCategories;
@@ -29,18 +29,20 @@ namespace Pos
             if (_initialLoad)
                 return;
 
-            _initialLoad = false;
+            if (StartDatePicker.SelectedDate is not DateTime selectedDate)
-            DateTime selectedDate = DateTime.Parse(sender.ToString());
+                return;
-            SaleService saleService = new SaleService();
+
-            totalSaleDetail = saleService.TotalSale(selectedDate);
+            totalSaleDetail = _saleService.TotalSale(selectedDate);
             TotalSale.Content = $"Dagens salg: kr. {totalSaleDetail.TotalSale:0.00}";
             GridSaleDetail.ItemsSource = totalSaleDetail.TotalSaleCategories;
         }
 
         private void PrintSale_OnClick(object sender, RoutedEventArgs e)
         {
-            SaleService saleService = new SaleService();
+            if (StartDatePicker.SelectedDate is not DateTime selectedDate)
-            saleService.PrintSaleOfDay(StartDatePicker.SelectedDate.Value,totalSaleDetail);
+                return;
+
+            _saleService.PrintSaleOfDay(selectedDate, totalSaleDetail);
         }
     }
 }

PointOfSale/Pos.Ui/Pos/SalesWindow.xaml.cs

@@ -29,7 +29,8 @@ namespace Pos
         private ObservableCollection<ProductGroupEntity> _productGroups;
         private ObservableCollection<SaleGridModel> _saleGridModels;
         private ObservableCollection<AmountGridModel> _paymentGridModels;
-        private List<PriceLineModel> _priceLineModels;
+        private readonly SalesTransactionService _salesTransactionService =
+            new SalesTransactionService();
 
         private ProductEntity _selectedProduct;
         private ProductGroupEntity _selectedProductGroup;
@@ -37,14 +38,10 @@ namespace Pos
         private int _employeeId = -1;
         private int _productGroupId = -1;
         private int _productId = -1;
-        private int _numberOfProducts = 1;
         private int _selectedSaleGridIndex = -1;
 
         private int _maxCharOfName = 0;
         
-        private decimal _price = 0;
-        private decimal _totalPrice = 0;
-
         private Button _prevEmpButton = new Button();
         private Button _prevProductGroupButton = new Button();
         private Button _prevProduct = new Button();
@@ -61,7 +58,6 @@ namespace Pos
             _employees = CacheService.GetEmployee() as ObservableCollection<EmployeeEntity>;
             _productGroups = CacheService.GetProductGroupsIncludeProducts() as ObservableCollection<ProductGroupEntity>;
             _saleGridModels = new ObservableCollection<SaleGridModel>();
-            _priceLineModels = new List<PriceLineModel>();
             _paymentGridModels = new ObservableCollection<AmountGridModel>();
             SaleGrid.ItemsSource = _saleGridModels;
             PaymentGrid.ItemsSource = _paymentGridModels;
@@ -150,11 +146,25 @@ namespace Pos
                 return;
 
             decimal price = Convert.ToDecimal(Price.Text);
-            int number = Convert.ToInt32(NumberOfProducts.Text);
+            int numberOfProducts = Convert.ToInt32(NumberOfProducts.Text);
+
+            try
+            {
+                BuildPrice(numberOfProducts, price);
+            }
+            catch (ArgumentException exception)
+            {
+                MessageBox.Show(
+                    exception.Message,
+                    "Ugyldig salgslinje",
+                    MessageBoxButton.OK,
+                    MessageBoxImage.Error);
+                return;
+            }
+
             NumberOfProducts.Text = "1";
             Price.Text = string.Empty;
             TotalPrice.Content = "0";
-            BuildPrice(false);
             _productId = -1;
             _productGroupId = -1;
             ManipulateBuySection();
@@ -162,16 +172,36 @@ namespace Pos
 
         private void Payment_Click(object sender, RoutedEventArgs e)
         {
-            //bool isValid = ValidateAmountInput();
+            decimal? amount = null;
-            //if (!isValid)
-            //    return;
-            decimal amount = -1;
             if (!string.IsNullOrEmpty(Amount.Text))
+            {
+                bool isValid = ValidateAmountInput();
+                if (!isValid)
+                    return;
+
                 amount = Convert.ToDecimal(Amount.Text);
+            }
 
             Amount.Text = string.Empty;
             Button button = sender as Button;
-            BuildAmuntDataGrid(amount,(string)button.Tag);
+            string paymentMethodName =
+                ((string)button.Tag).Replace("PaymentMethod.", string.Empty);
+
+            if (!Enum.TryParse(paymentMethodName, out PaymentMethod paymentMethod))
+                return;
+
+            try
+            {
+                BuildAmuntDataGrid(amount, paymentMethod);
+            }
+            catch (ArgumentException exception)
+            {
+                MessageBox.Show(
+                    exception.Message,
+                    "Ugyldig betaling",
+                    MessageBoxButton.OK,
+                    MessageBoxImage.Error);
+            }
         }
 
         private void NumberOfProducts_LostFocus(object sender, RoutedEventArgs e)
@@ -249,61 +279,69 @@ namespace Pos
             }
 
         }
-        private void BuildPrice(bool returnProduct)
+        private void BuildPrice(int numberOfProducts, decimal price)
         {
-            PriceLineModel pModel = new PriceLineModel();
+            PriceLineModel priceLineModel;
-            pModel.NumberProducts = _numberOfProducts;
-            pModel.Price = _price;
             if (_selectedProduct != null)
             {
-                pModel.Id = _selectedProduct.Id;
+                priceLineModel = _salesTransactionService.AddSaleLine(
-                pModel.Name = _selectedProduct.Name;
+                    _selectedProduct.Id,
-                pModel.IsProductGroup = false;
+                    _selectedProduct.Name,
+                    numberOfProducts,
+                    price,
+                    false);
             }
             else
             {
-                pModel.Id = _selectedProductGroup.Id;
+                priceLineModel = _salesTransactionService.AddSaleLine(
-                pModel.Name = _selectedProductGroup.Name;
+                    _selectedProductGroup.Id,
-                pModel.IsProductGroup = true;
+                    _selectedProductGroup.Name,
+                    numberOfProducts,
+                    price,
+                    true);
             }
 
-            BuildPriceDataGrid(pModel);
+            BuildPriceDataGrid(priceLineModel);
             //BuildEmployee();
             BuildProductGroup();
         }
 
         private void CalculateSubPrice()
         {
-            _price = 0;
+            bool isValid = decimal.TryParse(Price.Text, out decimal price);
-            bool isValid = decimal.TryParse(Price.Text, out _price);
             if (!isValid)
                 return;
 
-            isValid = Int32.TryParse(NumberOfProducts.Text, out _numberOfProducts);
+            isValid = Int32.TryParse(
+                NumberOfProducts.Text,
+                out int numberOfProducts);
             if (!isValid)
                 return;
 
-            TotalPrice.Content = _price * _numberOfProducts;
+            try
+            {
+                TotalPrice.Content =
+                    _salesTransactionService.CalculateLineTotal(
+                        price,
+                        numberOfProducts);
+            }
+            catch (ArgumentOutOfRangeException)
+            {
+                TotalPrice.Content = "0";
+            }
         }
 
         private void CalculateTotalLine()
         {
-            _totalPrice = 0;
+            Total.Content =
-            foreach (PriceLineModel model in _priceLineModels)
+                $"At betale: Kr. {_salesTransactionService.TotalPrice}";
-            {
-                _totalPrice += model.Price * model.NumberProducts;
-            }
-
-            Total.Content = $"At betale: Kr. {_totalPrice}";
         }
 
         private void BuildPriceDataGrid(PriceLineModel priceLineModel)
         {
             _selectedProduct = null;
             _selectedProductGroup = null;
-            _numberOfProducts = 1;
 
-            _priceLineModels.Add(priceLineModel);
             CalculateTotalLine();
 
             SaleGridModel model = new SaleGridModel();
@@ -399,38 +437,14 @@ namespace Pos
             TotalPrice.IsEnabled = enabled;
         }
 
-        private void BuildAmuntDataGrid(decimal amount, string paymentMethod)
+        private void BuildAmuntDataGrid(
+            decimal? amount,
+            PaymentMethod paymentMethod)
         {
-            if (amount == -1)
+            AmountGridModel amountGridModel =
-            {
+                _salesTransactionService.AddPayment(paymentMethod, amount);
-                amount = 0;
-                foreach (PriceLineModel lineModel in _priceLineModels)
-                {
-                    amount += (lineModel.Price * lineModel.NumberProducts);
-                }
-            }
 
-            AmountGridModel amountGridModel = new AmountGridModel();
+            amountGridModel.AmountText = $"Kr. {amountGridModel.Amount}";
-            amountGridModel.Amount = amount;
-            amountGridModel.AmountText = $"Kr. {amount}";
-            switch (paymentMethod)
-            {
-                case "PaymentMethod.Card":
-                    amountGridModel.PaymentMethodText = "Kort";
-                    break;
-
-                case "PaymentMethod.Cash":
-                    amountGridModel.PaymentMethodText = "Kontant";
-                    break;
-
-                case "PaymentMethod.GiftCard":
-                    amountGridModel.PaymentMethodText = "Gavekort";
-                    break;
-
-                case "PaymentMethod.MobilePay":
-                    amountGridModel.PaymentMethodText = "MobilePay";
-                    break;
-            }
             _paymentGridModels.Add(amountGridModel);
 
             AmountPayed();
@@ -438,28 +452,25 @@ namespace Pos
 
         private void AmountPayed()
         {
-            decimal amountPayed = 0;
+            if (_salesTransactionService.AmountPaid ==
-            foreach (AmountGridModel paymentGridModel in _paymentGridModels)
+                _salesTransactionService.TotalPrice)
-            {
-                amountPayed += paymentGridModel.Amount;
-            }
-
-            if (amountPayed == _totalPrice)
             {
                 btnFinish_Click(null,null);
                 return;
             }
 
-            if (amountPayed > _totalPrice)
+            if (_salesTransactionService.Change > 0)
             {
-                lblRecived.Content = $"Byttepenge: Kr. {amountPayed - _totalPrice}";
+                lblRecived.Content =
+                    $"Byttepenge: Kr. {_salesTransactionService.Change}";
                 Style style = this.FindResource("BoldLabelWarningNoMargin") as Style;
                 lblRecived.Style = style;
                 btnFinish.IsEnabled = true;
             }
             else
             {
-                lblRecived.Content = $"At betale: Kr. {_totalPrice - amountPayed}";
+                lblRecived.Content =
+                    $"At betale: Kr. {_salesTransactionService.RemainingAmount}";
                 Style style = this.FindResource("BoldLabelNoMargin") as Style;
                 lblRecived.Style = style;
             }
@@ -473,21 +484,37 @@ namespace Pos
                 if (_selectedSaleGridIndex == -1)
                     return;
                 int index = _selectedSaleGridIndex;
-                //_saleGridModels.RemoveAt(_selectedSaleGridIndex);
+                _salesTransactionService.RemoveSaleLineAt(index);
-                _priceLineModels.RemoveAt(index);
+                _saleGridModels.RemoveAt(index);
                 _selectedSaleGridIndex = -1;
                 CalculateTotalLine();
+
+                if (_salesTransactionService.AmountPaid > 0)
+                    AmountPayed();
             }
         }
 
         private void btnFinish_Click(object sender, RoutedEventArgs e)
         {
+            try
+            {
+                _salesTransactionService.EnsureCanComplete();
+            }
+            catch (InvalidOperationException exception)
+            {
+                MessageBox.Show(
+                    exception.Message,
+                    "Salget kan ikke afsluttes",
+                    MessageBoxButton.OK,
+                    MessageBoxImage.Error);
+                return;
+            }
+
             SaleService saleService = new SaleService();
             saleService.Save(_saleGridModels.ToList(),_paymentGridModels.ToList(),_employeeId);
             _paymentGridModels.Clear();
-            _priceLineModels.Clear();
+            _salesTransactionService.Reset();
             UpdateWindowTitle();
-            _totalPrice = 0;
             _saleGridModels.Clear();
             lblRecived.Content = string.Empty;
             _selectedSaleGridIndex = -1;

PointOfSale/Pos.Ui/Pos/Setting/Employee/AddEmployeeWindow.xaml.cs

@@ -11,7 +11,7 @@ using System.Windows.Input;
 using System.Windows.Media;
 using System.Windows.Media.Imaging;
 using System.Windows.Shapes;
-using Database.Repository;
+using Pos.Service;
 
 namespace Pos.Setting
 {
@@ -20,6 +20,9 @@ namespace Pos.Setting
     /// </summary>
     public partial class AddEmployeeWindow : Window
     {
+        private readonly EmployeeService _employeeService =
+            new EmployeeService();
+
         public AddEmployeeWindow()
         {
             InitializeComponent();
@@ -27,9 +30,19 @@ namespace Pos.Setting
 
         private void btnAdd_Click(object sender, RoutedEventArgs e)
         {
-            EmployeeRepository employeeRepository = new EmployeeRepository();
+            try
-            employeeRepository.Add(txtStaff.Text);
+            {
-            this.Close();
+                _employeeService.AddEmployee(txtStaff.Text);
+                Close();
+            }
+            catch (ArgumentException exception)
+            {
+                MessageBox.Show(
+                    exception.Message,
+                    "Ugyldig medarbejder",
+                    MessageBoxButton.OK,
+                    MessageBoxImage.Warning);
+            }
         }
     }
 }

PointOfSale/Pos.Ui/Pos/Setting/Employee/DeleteEmployeeWindow.xaml.cs

@@ -11,7 +11,7 @@ using System.Windows.Input;
 using System.Windows.Media;
 using System.Windows.Media.Imaging;
 using System.Windows.Shapes;
-using Database.Repository;
+using Pos.Service;
 
 namespace Pos.Setting
 {
@@ -21,6 +21,8 @@ namespace Pos.Setting
     public partial class DeleteEmployeeWindow : Window
     {
         private int _employeeId;
+        private readonly EmployeeService _employeeService =
+            new EmployeeService();
 
         public DeleteEmployeeWindow(int employeeId, string staffName)
         {
@@ -31,9 +33,8 @@ namespace Pos.Setting
 
         private void btnYes_Click(object sender, RoutedEventArgs e)
         {
-            EmployeeRepository employeeRepository = new EmployeeRepository();
+            _employeeService.ArchiveEmployee(_employeeId);
-            employeeRepository.Delete(_employeeId);
+            Close();
-            this.Close();
         }
 
         private void btnNo_Click(object sender, RoutedEventArgs e)

PointOfSale/Pos.Ui/Pos/Setting/Employee/EditEmployeeWindow.xaml.cs

@@ -11,7 +11,7 @@ using System.Windows.Input;
 using System.Windows.Media;
 using System.Windows.Media.Imaging;
 using System.Windows.Shapes;
-using Database.Repository;
+using Pos.Service;
 
 namespace Pos.Setting
 {
@@ -21,6 +21,8 @@ namespace Pos.Setting
     public partial class EditEmployeeWindow : Window
     {
         private int _employeeId;
+        private readonly EmployeeService _employeeService =
+            new EmployeeService();
 
         public EditEmployeeWindow(int employeeId, string staffName)
         {
@@ -31,9 +33,21 @@ namespace Pos.Setting
 
         private void btnEdit_Click(object sender, RoutedEventArgs e)
         {
-            EmployeeRepository employeeRepository = new EmployeeRepository();
+            try
-            employeeRepository.Edit(_employeeId,txtEmployee.Text);
+            {
-            this.Close();
+                _employeeService.RenameEmployee(
+                    _employeeId,
+                    txtEmployee.Text);
+                Close();
+            }
+            catch (ArgumentException exception)
+            {
+                MessageBox.Show(
+                    exception.Message,
+                    "Ugyldig medarbejder",
+                    MessageBoxButton.OK,
+                    MessageBoxImage.Warning);
+            }
         }
     }
 }

PointOfSale/Pos.Ui/Pos/Setting/Employee/EmployeeWindow.xaml.cs

@@ -13,7 +13,7 @@ using System.Windows.Media;
 using System.Windows.Media.Imaging;
 using System.Windows.Shapes;
 using Database.Models;
-using Database.Repository;
+using Pos.Service;
 
 namespace Pos.Setting
 {
@@ -24,6 +24,8 @@ namespace Pos.Setting
     {
         private int _selectedEmployee = -1;
         private string _employeeName = string.Empty;
+        private readonly EmployeeService _employeeService =
+            new EmployeeService();
         public EmployeeWindow()
         {
             InitializeComponent();
@@ -62,15 +64,14 @@ namespace Pos.Setting
             deleteEmployeeWindow.Show();
         }
 
-        private void WindowClosed(object? sender, EventArgs e)
+        private void WindowClosed(object sender, EventArgs e)
         {
             LoadData();
         }
 
         private void LoadData()
         {
-            using EmployeeRepository employeeRepository = new EmployeeRepository();
+            List<EmployeeEntity> allStaff = _employeeService.GetEmployees();
-            List<EmployeeEntity> allStaff = employeeRepository.GetAll();
             LstStaff.Items.Clear();
             foreach (EmployeeEntity staff in allStaff)
             {

PointOfSale/Pos.Ui/Pos/Setting/Product/AddProductWindow.xaml.cs

@@ -1,8 +1,8 @@
-using Database.Repository;
 using System;
 using System.Collections.Generic;
 using System.Windows;
 using System.Windows.Controls;
+using Pos.Service;
 
 namespace Pos.Setting.ProductGroup
 {
@@ -11,6 +11,11 @@ namespace Pos.Setting.ProductGroup
     /// </summary>
     public partial class AddProductWindow : Window
     {
+        private readonly ProductGroupService _productGroupService =
+            new ProductGroupService();
+        private readonly ProductService _productService =
+            new ProductService();
+
         public AddProductWindow()
         {
             InitializeComponent();
@@ -19,13 +24,16 @@ namespace Pos.Setting.ProductGroup
 
         private void LoadData(int selectedIndex)
         {
-            ProductGroupRepository productGroupRepository = new ProductGroupRepository();
+            List<Database.Models.ProductGroupEntity> productGroups =
-            List<Database.Models.ProductGroupEntity> products = productGroupRepository.GetAll();
+                _productGroupService.GetProductGroups();
-            foreach (Database.Models.ProductGroupEntity productGroup in products)
+
+            foreach (Database.Models.ProductGroupEntity productGroup in productGroups)
             {
-                ComboBoxItem comboBoxItem = new ComboBoxItem();
+                ComboBoxItem comboBoxItem = new ComboBoxItem
-                comboBoxItem.Tag = productGroup.Id;
+                {
-                comboBoxItem.Content = productGroup.Name;
+                    Tag = productGroup.Id,
+                    Content = productGroup.Name
+                };
                 cmbProductGroup.Items.Add(comboBoxItem);
             }
 
@@ -34,12 +42,23 @@ namespace Pos.Setting.ProductGroup
 
         private void btnAdd_Click(object sender, RoutedEventArgs e)
         {
-            ComboBoxItem item = (ComboBoxItem) cmbProductGroup.SelectedItem;
+            ComboBoxItem item = (ComboBoxItem)cmbProductGroup.SelectedItem;
-            string name = txtProduct.Text;
+
-            int id = Convert.ToInt32(item.Tag);
+            try
-            ProductRepository productRepository = new ProductRepository();
+            {
-            productRepository.Add(name,id);
+                _productService.AddProduct(
-            this.Close();
+                    txtProduct.Text,
+                    Convert.ToInt32(item.Tag));
+                Close();
+            }
+            catch (ArgumentException exception)
+            {
+                MessageBox.Show(
+                    exception.Message,
+                    "Ugyldigt produkt",
+                    MessageBoxButton.OK,
+                    MessageBoxImage.Warning);
+            }
         }
     }
 }

PointOfSale/Pos.Ui/Pos/Setting/Product/ArchiveProductWindow.xaml.cs

@@ -11,7 +11,7 @@ using System.Windows.Input;
 using System.Windows.Media;
 using System.Windows.Media.Imaging;
 using System.Windows.Shapes;
-using Database.Repository;
+using Pos.Service;
 
 namespace Pos.Setting.Product
 {
@@ -21,20 +21,21 @@ namespace Pos.Setting.Product
     public partial class ArchiveProductWindow : Window
     {
         private int _productId;
+        private readonly ProductService _productService =
+            new ProductService();
         public ArchiveProductWindow(int productId)
         {
             InitializeComponent();
             _productId = productId;
-            ProductRepository productRepository = new ProductRepository();
+            Database.Models.ProductEntity product =
-            Database.Models.ProductEntity product = productRepository.GetById(_productId);
+                _productService.GetProduct(_productId);
             txtDelProduct.Text = product.Name;
         }
 
         private void btnYes_Click(object sender, RoutedEventArgs e)
         {
-            ProductRepository productRepository = new ProductRepository();
+            _productService.ArchiveProduct(_productId);
-            productRepository.Archive(_productId);
+            Close();
-            this.Close();
         }
 
         private void btnNo_Click(object sender, RoutedEventArgs e)

PointOfSale/Pos.Ui/Pos/Setting/Product/ChangeProductOrderWindow.xaml.cs

@@ -12,7 +12,7 @@ using System.Windows.Input;
 using System.Windows.Media;
 using System.Windows.Media.Imaging;
 using System.Windows.Shapes;
-using Database.Repository;
+using Pos.Service;
 
 namespace Pos.Setting.Product
 {
@@ -23,6 +23,8 @@ namespace Pos.Setting.Product
     {
         ObservableCollection<Database.Models.ProductEntity> _productList = new ObservableCollection<Database.Models.ProductEntity>();
         private int _productGroupId;
+        private readonly ProductService _productService =
+            new ProductService();
         public ChangeProductOrderWindow(int productGroupId)
         {
             InitializeComponent();
@@ -32,8 +34,8 @@ namespace Pos.Setting.Product
 
         private void LoadData()
         {
-            ProductRepository productRepository = new ProductRepository();
+            List<Database.Models.ProductEntity> products =
-            List<Database.Models.ProductEntity> products = productRepository.GetByProductGroup(_productGroupId);
+                _productService.GetProducts(_productGroupId);
             foreach (Database.Models.ProductEntity product in products)
             {
                 _productList.Add(product);
@@ -86,13 +88,10 @@ namespace Pos.Setting.Product
 
         private void btnSave_Click(object sender, RoutedEventArgs e)
         {
-            ProductRepository productRepository = new ProductRepository();
+            _productService.UpdateOrder(
-            for (int i = 0; i < _productList.Count; i++)
+                _productGroupId,
-            {
+                _productList.Select(product => product.Id).ToList());
-                Database.Models.ProductEntity product = _productList[i];
+            Close();
-                productRepository.SetIndex(product.Id, i);
-            }
-            this.Close();
         }
 
     }

PointOfSale/Pos.Ui/Pos/Setting/Product/EditProductWindow.xaml.cs

@@ -11,7 +11,7 @@ using System.Windows.Input;
 using System.Windows.Media;
 using System.Windows.Media.Imaging;
 using System.Windows.Shapes;
-using Database.Repository;
+using Pos.Service;
 
 namespace Pos.Setting.Product
 {
@@ -23,6 +23,10 @@ namespace Pos.Setting.Product
         private int _productId;
         private int _selectedProductGroupId;
         private Database.Models.ProductEntity _product;
+        private readonly ProductGroupService _productGroupService =
+            new ProductGroupService();
+        private readonly ProductService _productService =
+            new ProductService();
 
         public EditProductWindow(int productId, int selectedProductGroupId)
         {
@@ -34,8 +38,8 @@ namespace Pos.Setting.Product
 
         private void Init()
         {
-            ProductGroupRepository categoryRepository = new ProductGroupRepository();
+            List<Database.Models.ProductGroupEntity> productGroups =
-            List<Database.Models.ProductGroupEntity> productGroups = categoryRepository.GetAll();
+                _productGroupService.GetProductGroups();
             foreach (Database.Models.ProductGroupEntity productGroup in productGroups)
             {
 
@@ -46,17 +50,29 @@ namespace Pos.Setting.Product
             }
             cmbProductGroup.SelectedIndex = _selectedProductGroupId;
 
-            ProductRepository productRepository = new ProductRepository();
+            _product = _productService.GetProduct(_productId);
-            _product = productRepository.GetById(_productId);
             txtProduct.Text = _product.Name;
         }
 
         private void btnEdit_Click(object sender, RoutedEventArgs e)
         {
             ComboBoxItem item = (ComboBoxItem)cmbProductGroup.SelectedItem;
-            ProductRepository productRepository = new ProductRepository();
+            try
-            productRepository.Update(_product.Id,(int)item.Tag,txtProduct.Text);
+            {
-            this.Close();
+                _productService.UpdateProduct(
+                    _product.Id,
+                    (int)item.Tag,
+                    txtProduct.Text);
+                Close();
+            }
+            catch (ArgumentException exception)
+            {
+                MessageBox.Show(
+                    exception.Message,
+                    "Ugyldigt produkt",
+                    MessageBoxButton.OK,
+                    MessageBoxImage.Warning);
+            }
         }
     }
 }

PointOfSale/Pos.Ui/Pos/Setting/Product/ProductWindow.xaml.cs

@@ -3,7 +3,7 @@ using System;
 using System.Collections.Generic;
 using System.Windows;
 using System.Windows.Controls;
-using Database.Repository;
+using Pos.Service;
 using Pos.Setting.Product;
 
 namespace Pos.Setting.ProductGroup
@@ -14,7 +14,10 @@ namespace Pos.Setting.ProductGroup
     public partial class ProductWindow : Window
     {
         private List<Database.Models.ProductGroupEntity> _productGroups;
-        private int _productId;
+        private readonly ProductGroupService _productGroupService =
+            new ProductGroupService();
+        private readonly ProductService _productService =
+            new ProductService();
 
         public ProductWindow()
         {
@@ -26,8 +29,7 @@ namespace Pos.Setting.ProductGroup
 
         private void Init()
         {
-            ProductGroupRepository categoryRepository = new ProductGroupRepository();
+            _productGroups = _productGroupService.GetProductGroups();
-            _productGroups = categoryRepository.GetAll();
             cmbCat.Items.Clear();
             foreach (Database.Models.ProductGroupEntity productGroup in _productGroups)
             {
@@ -38,14 +40,19 @@ namespace Pos.Setting.ProductGroup
                 cmbCat.Items.Add(comboBoxItem);
             }
 
-            cmbCat.SelectedIndex = 0;
+            if (_productGroups.Count > 0)
+                cmbCat.SelectedIndex = 0;
         }
 
         private void LoadData()
         {
 
-            ProductRepository productRepository = new ProductRepository();
+            if (cmbCat.SelectedIndex < 0)
-            List<Database.Models.ProductEntity> products = productRepository.GetByProductGroup(_productGroups[cmbCat.SelectedIndex].Id);
+                return;
+
+            List<Database.Models.ProductEntity> products =
+                _productService.GetProducts(
+                    _productGroups[cmbCat.SelectedIndex].Id);
             lstProductGroup.Items.Clear();
             foreach (Database.Models.ProductEntity product in products)
             {

PointOfSale/Pos.Ui/Pos/Setting/ProductGroup/AddProductGroupWindow.xaml.cs

@@ -11,7 +11,7 @@ using System.Windows.Input;
 using System.Windows.Media;
 using System.Windows.Media.Imaging;
 using System.Windows.Shapes;
-using Database.Repository;
+using Pos.Service;
 
 namespace Pos.Setting.Category
 {
@@ -20,6 +20,9 @@ namespace Pos.Setting.Category
     /// </summary>
     public partial class AddProductGroupWindow : Window
     {
+        private readonly ProductGroupService _productGroupService =
+            new ProductGroupService();
+
         public AddProductGroupWindow()
         {
             InitializeComponent();
@@ -27,9 +30,19 @@ namespace Pos.Setting.Category
 
         private void btnAdd_Click(object sender, RoutedEventArgs e)
         {
-            ProductGroupRepository categoryRepository = new ProductGroupRepository();
+            try
-            categoryRepository.Add(txtProductGroup.Text);
+            {
-            this.Close();
+                _productGroupService.AddProductGroup(txtProductGroup.Text);
+                Close();
+            }
+            catch (ArgumentException exception)
+            {
+                MessageBox.Show(
+                    exception.Message,
+                    "Ugyldig produktgruppe",
+                    MessageBoxButton.OK,
+                    MessageBoxImage.Warning);
+            }
         }
     }
 }

PointOfSale/Pos.Ui/Pos/Setting/ProductGroup/ArchiveProductGroupWindow.xaml.cs

@@ -11,7 +11,7 @@ using System.Windows.Input;
 using System.Windows.Media;
 using System.Windows.Media.Imaging;
 using System.Windows.Shapes;
-using Database.Repository;
+using Pos.Service;
 
 namespace Pos.Setting.Category
 {
@@ -21,6 +21,8 @@ namespace Pos.Setting.Category
     public partial class ArchiveProductGroupWindow : Window
     {
         private readonly int _id;
+        private readonly ProductGroupService _productGroupService =
+            new ProductGroupService();
         public ArchiveProductGroupWindow(string name, int id)
         {
             InitializeComponent();
@@ -36,9 +38,8 @@ namespace Pos.Setting.Category
 
         private void btnYes_Click(object sender, RoutedEventArgs e)
         {
-            ProductGroupRepository categoryRepository = new ProductGroupRepository();
+            _productGroupService.ArchiveProductGroup(_id);
-            categoryRepository.Archive(_id);
+            Close();
-            this.Close();
         }
     }
 }

PointOfSale/Pos.Ui/Pos/Setting/ProductGroup/ChangeProductGroupOrderWindow.xaml.cs

@@ -12,7 +12,7 @@ using System.Windows.Input;
 using System.Windows.Media;
 using System.Windows.Media.Imaging;
 using System.Windows.Shapes;
-using Database.Repository;
+using Pos.Service;
 
 namespace Pos.Setting.Category
 {
@@ -22,6 +22,8 @@ namespace Pos.Setting.Category
     public partial class ChangeProductGroupOrderWindow : Window
     {
         ObservableCollection<Database.Models.ProductGroupEntity> _prodGroupList = new ObservableCollection<Database.Models.ProductGroupEntity>();
+        private readonly ProductGroupService _productGroupService =
+            new ProductGroupService();
         public ChangeProductGroupOrderWindow()
         {
             InitializeComponent();
@@ -30,8 +32,8 @@ namespace Pos.Setting.Category
 
         private void LoadData()
         {
-            ProductGroupRepository categoryRepository = new ProductGroupRepository();
+            List<Database.Models.ProductGroupEntity> categories =
-            List<Database.Models.ProductGroupEntity> categories = categoryRepository.GetAll();
+                _productGroupService.GetProductGroups();
             foreach (Database.Models.ProductGroupEntity category in categories)
             {
                 _prodGroupList.Add(category);
@@ -84,13 +86,9 @@ namespace Pos.Setting.Category
 
         private void btnSave_Click(object sender, RoutedEventArgs e)
         {
-            ProductGroupRepository categoryRepository = new ProductGroupRepository();
+            _productGroupService.UpdateOrder(
-            for (int i = 0; i < _prodGroupList.Count; i++)
+                _prodGroupList.Select(productGroup => productGroup.Id).ToList());
-            {
+            Close();
-                Database.Models.ProductGroupEntity productGroup = _prodGroupList[i];
-                categoryRepository.SetIndex(productGroup.Id,i);
-            }
-            this.Close();
         }
     }
 }

PointOfSale/Pos.Ui/Pos/Setting/ProductGroup/EditProductGroupWindow.xaml.cs

@@ -11,7 +11,7 @@ using System.Windows.Input;
 using System.Windows.Media;
 using System.Windows.Media.Imaging;
 using System.Windows.Shapes;
-using Database.Repository;
+using Pos.Service;
 
 namespace Pos.Setting.Category
 {
@@ -21,6 +21,8 @@ namespace Pos.Setting.Category
     public partial class EditProductGroupWindow : Window
     {
         private readonly int _id;
+        private readonly ProductGroupService _productGroupService =
+            new ProductGroupService();
 
         public EditProductGroupWindow(string name, int id)
         {
@@ -31,9 +33,21 @@ namespace Pos.Setting.Category
 
         private void btnEdit_Click(object sender, RoutedEventArgs e)
         {
-            ProductGroupRepository categoryRepository = new ProductGroupRepository();
+            try
-            categoryRepository.Edit(txtProductGroup.Text,_id);
+            {
-            this.Close();
+                _productGroupService.RenameProductGroup(
+                    _id,
+                    txtProductGroup.Text);
+                Close();
+            }
+            catch (ArgumentException exception)
+            {
+                MessageBox.Show(
+                    exception.Message,
+                    "Ugyldig produktgruppe",
+                    MessageBoxButton.OK,
+                    MessageBoxImage.Warning);
+            }
         }
     }
 }

PointOfSale/Pos.Ui/Pos/Setting/ProductGroup/ProductGroupWindow.xaml.cs

@@ -11,7 +11,7 @@ using System.Windows.Input;
 using System.Windows.Media;
 using System.Windows.Media.Imaging;
 using System.Windows.Shapes;
-using Database.Repository;
+using Pos.Service;
 using Pos.Setting.Category;
 
 namespace Pos.Category
@@ -23,6 +23,8 @@ namespace Pos.Category
     {
         private int _id = -1;
         private string _name = string.Empty;
+        private readonly ProductGroupService _productGroupService =
+            new ProductGroupService();
 
         public ProductGroupWindow()
         {
@@ -53,8 +55,8 @@ namespace Pos.Category
 
         private void LoadData()
         {
-            ProductGroupRepository categoryRepository = new ProductGroupRepository();
+            List<Database.Models.ProductGroupEntity> categories =
-            List<Database.Models.ProductGroupEntity> categories = categoryRepository.GetAll();
+                _productGroupService.GetProductGroups();
             LstCategory.Items.Clear();
             foreach (Database.Models.ProductGroupEntity category in categories)
             {

PointOfSale/Pos.Ui/Pos/Setting/SettingWindow.xaml.cs

@@ -11,8 +11,8 @@ using System.Windows.Input;
 using System.Windows.Media;
 using System.Windows.Media.Imaging;
 using System.Windows.Shapes;
-using Database.Repository;
 using Pos.Category;
+using Pos.Service;
 using Pos.Setting.ProductGroup;
 
 namespace Pos.Setting
@@ -22,6 +22,9 @@ namespace Pos.Setting
     /// </summary>
     public partial class SettingWindow : Window
     {
+        private readonly ProductGroupService _productGroupService =
+            new ProductGroupService();
+
         public SettingWindow()
         {
             InitializeComponent();
@@ -42,10 +45,8 @@ namespace Pos.Setting
 
         private void btnProductGroups_Click(object sender, RoutedEventArgs e)
         {
-            ProductWindow productWindow = new ProductWindow();
             //Check if there is any categories, if not close this window with a message.
-            ProductGroupRepository categoryRepository = new ProductGroupRepository();
+            bool anyExist = _productGroupService.HasProductGroups();
-            bool anyExist = categoryRepository.Any();
             if (!anyExist)
             {
                 MessageBox.Show("Der er ingen kategorier, opret dem først", "Kategorier", MessageBoxButton.OK,
@@ -53,6 +54,7 @@ namespace Pos.Setting
             }
             else
             {
+                ProductWindow productWindow = new ProductWindow();
                 productWindow.Show();
             }
         }

PointOfSale/Pos.Ui/Pos/json.cs

@@ -1,60 +0,0 @@
-
-//public class Rootobject
-//{
-//    public string logoBase64 { get; set; }
-//    public Header[] header { get; set; }
-//    public Bodymodel bodyModel { get; set; }
-//    public Footer[] footer { get; set; }
-//}
-
-//public class Bodymodel
-//{
-//    public Product[] products { get; set; }
-//    public int totalPrice { get; set; }
-//    public int totalVat { get; set; }
-//    public int receiptNumber { get; set; }
-//    public string receiptTime { get; set; }
-//    public string staff { get; set; }
-//}
-
-//public class Product
-//{
-//    public string product { get; set; }
-//    public string noOfProduct { get; set; }
-//    public float price { get; set; }
-//    public float totalPrice { get; set; }
-//}
-
-//public class Header
-//{
-//    public string value { get; set; }
-//    public Printstyles printStyles { get; set; }
-//    public int textAlignment { get; set; }
-//    public int feedingLines { get; set; }
-//}
-
-//public class Printstyles
-//{
-//    public bool fontB { get; set; }
-//    public bool bold { get; set; }
-//    public bool doubleHeight { get; set; }
-//    public bool doubleWidth { get; set; }
-//    public bool underline { get; set; }
-//}
-
-//public class Footer
-//{
-//    public string value { get; set; }
-//    public Printstyles1 printStyles { get; set; }
-//    public int textAlignment { get; set; }
-//    public int feedingLines { get; set; }
-//}
-
-//public class Printstyles1
-//{
-//    public bool fontB { get; set; }
-//    public bool bold { get; set; }
-//    public bool doubleHeight { get; set; }
-//    public bool doubleWidth { get; set; }
-//    public bool underline { get; set; }
-//}

PointOfSale/Pos.Web/Components/App.razor

@@ -0,0 +1,23 @@
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+    <meta charset="utf-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <base href="/" />
+    <ResourcePreloader />
+    <link rel="stylesheet" href="@Assets["app.css"]" />
+    <link rel="stylesheet" href="@Assets["Pos.Web.styles.css"]" />
+    <ImportMap />
+    <link rel="icon" type="image/x-icon" href="favicon.ico" />
+    <HeadOutlet @rendermode="InteractiveServer" />
+</head>
+
+<body>
+    <Routes @rendermode="InteractiveServer" />
+    <ReconnectModal />
+    <script src="@Assets["_framework/blazor.web.js"]"></script>
+</body>
+
+</html>
+

PointOfSale/Pos.Web/Components/Layout/MainLayout.razor

@@ -0,0 +1,16 @@
+@inherits LayoutComponentBase
+
+<FluentLayout>
+    <FluentLayoutItem Area="LayoutArea.Content" Class="main">
+        <div class="content">
+            @Body
+        </div>
+    </FluentLayoutItem>
+</FluentLayout>
+<FluentDialogProvider />
+
+<div id="blazor-error-ui" data-nosnippet>
+    An unhandled error has occurred.
+    <a href="." class="reload">Reload</a>
+    <span class="dismiss">🗙</span>
+</div>

PointOfSale/Pos.Web/Components/Layout/ReconnectModal.razor

@@ -0,0 +1,31 @@
+<script type="module" src="@Assets["Components/Layout/ReconnectModal.razor.js"]"></script>
+
+<dialog id="components-reconnect-modal" data-nosnippet>
+    <div class="components-reconnect-container">
+        <div class="components-rejoining-animation" aria-hidden="true">
+            <div></div>
+            <div></div>
+        </div>
+        <p class="components-reconnect-first-attempt-visible">
+            Rejoining the server...
+        </p>
+        <p class="components-reconnect-repeated-attempt-visible">
+            Rejoin failed... trying again in <span id="components-seconds-to-next-attempt"></span> seconds.
+        </p>
+        <p class="components-reconnect-failed-visible">
+            Failed to rejoin.<br />Please retry or reload the page.
+        </p>
+        <button id="components-reconnect-button" class="components-reconnect-failed-visible">
+            Retry
+        </button>
+        <p class="components-pause-visible">
+            The session has been paused by the server.
+        </p>
+        <p class="components-resume-failed-visible">
+            Failed to resume the session.<br />Please retry or reload the page.
+        </p>
+        <button id="components-resume-button" class="components-pause-visible components-resume-failed-visible">
+            Resume
+        </button>
+    </div>
+</dialog>

PointOfSale/Pos.Web/Components/Layout/ReconnectModal.razor.css

@@ -0,0 +1,157 @@
+.components-reconnect-first-attempt-visible,
+.components-reconnect-repeated-attempt-visible,
+.components-reconnect-failed-visible,
+.components-pause-visible,
+.components-resume-failed-visible,
+.components-rejoining-animation {
+    display: none;
+}
+
+#components-reconnect-modal.components-reconnect-show .components-reconnect-first-attempt-visible,
+#components-reconnect-modal.components-reconnect-show .components-rejoining-animation,
+#components-reconnect-modal.components-reconnect-paused .components-pause-visible,
+#components-reconnect-modal.components-reconnect-resume-failed .components-resume-failed-visible,
+#components-reconnect-modal.components-reconnect-retrying,
+#components-reconnect-modal.components-reconnect-retrying .components-reconnect-repeated-attempt-visible,
+#components-reconnect-modal.components-reconnect-retrying .components-rejoining-animation,
+#components-reconnect-modal.components-reconnect-failed,
+#components-reconnect-modal.components-reconnect-failed .components-reconnect-failed-visible {
+    display: block;
+}
+
+
+#components-reconnect-modal {
+    background-color: white;
+    width: 20rem;
+    margin: 20vh auto;
+    padding: 2rem;
+    border: 0;
+    border-radius: 0.5rem;
+    box-shadow: 0 3px 6px 2px rgba(0, 0, 0, 0.3);
+    opacity: 0;
+    transition: display 0.5s allow-discrete, overlay 0.5s allow-discrete;
+    animation: components-reconnect-modal-fadeOutOpacity 0.5s both;
+    &[open]
+
+{
+    animation: components-reconnect-modal-slideUp 1.5s cubic-bezier(.05, .89, .25, 1.02) 0.3s, components-reconnect-modal-fadeInOpacity 0.5s ease-in-out 0.3s;
+    animation-fill-mode: both;
+}
+
+}
+
+#components-reconnect-modal::backdrop {
+    background-color: rgba(0, 0, 0, 0.4);
+    animation: components-reconnect-modal-fadeInOpacity 0.5s ease-in-out;
+    opacity: 1;
+}
+
+@keyframes components-reconnect-modal-slideUp {
+    0% {
+        transform: translateY(30px) scale(0.95);
+    }
+
+    100% {
+        transform: translateY(0);
+    }
+}
+
+@keyframes components-reconnect-modal-fadeInOpacity {
+    0% {
+        opacity: 0;
+    }
+
+    100% {
+        opacity: 1;
+    }
+}
+
+@keyframes components-reconnect-modal-fadeOutOpacity {
+    0% {
+        opacity: 1;
+    }
+
+    100% {
+        opacity: 0;
+    }
+}
+
+.components-reconnect-container {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    gap: 1rem;
+}
+
+#components-reconnect-modal p {
+    margin: 0;
+    text-align: center;
+}
+
+#components-reconnect-modal button {
+    border: 0;
+    background-color: #6b9ed2;
+    color: white;
+    padding: 4px 24px;
+    border-radius: 4px;
+}
+
+    #components-reconnect-modal button:hover {
+        background-color: #3b6ea2;
+    }
+
+    #components-reconnect-modal button:active {
+        background-color: #6b9ed2;
+    }
+
+.components-rejoining-animation {
+    position: relative;
+    width: 80px;
+    height: 80px;
+}
+
+    .components-rejoining-animation div {
+        position: absolute;
+        border: 3px solid #0087ff;
+        opacity: 1;
+        border-radius: 50%;
+        animation: components-rejoining-animation 1.5s cubic-bezier(0, 0.2, 0.8, 1) infinite;
+    }
+
+        .components-rejoining-animation div:nth-child(2) {
+            animation-delay: -0.5s;
+        }
+
+@keyframes components-rejoining-animation {
+    0% {
+        top: 40px;
+        left: 40px;
+        width: 0;
+        height: 0;
+        opacity: 0;
+    }
+
+    4.9% {
+        top: 40px;
+        left: 40px;
+        width: 0;
+        height: 0;
+        opacity: 0;
+    }
+
+    5% {
+        top: 40px;
+        left: 40px;
+        width: 0;
+        height: 0;
+        opacity: 1;
+    }
+
+    100% {
+        top: 0px;
+        left: 0px;
+        width: 80px;
+        height: 80px;
+        opacity: 0;
+    }
+}

PointOfSale/Pos.Web/Components/Layout/ReconnectModal.razor.js

@@ -0,0 +1,63 @@
+// Set up event handlers
+const reconnectModal = document.getElementById("components-reconnect-modal");
+reconnectModal.addEventListener("components-reconnect-state-changed", handleReconnectStateChanged);
+
+const retryButton = document.getElementById("components-reconnect-button");
+retryButton.addEventListener("click", retry);
+
+const resumeButton = document.getElementById("components-resume-button");
+resumeButton.addEventListener("click", resume);
+
+function handleReconnectStateChanged(event) {
+    if (event.detail.state === "show") {
+        reconnectModal.showModal();
+    } else if (event.detail.state === "hide") {
+        reconnectModal.close();
+    } else if (event.detail.state === "failed") {
+        document.addEventListener("visibilitychange", retryWhenDocumentBecomesVisible);
+    } else if (event.detail.state === "rejected") {
+        location.reload();
+    }
+}
+
+async function retry() {
+    document.removeEventListener("visibilitychange", retryWhenDocumentBecomesVisible);
+
+    try {
+        // Reconnect will asynchronously return:
+        // - true to mean success
+        // - false to mean we reached the server, but it rejected the connection (e.g., unknown circuit ID)
+        // - exception to mean we didn't reach the server (this can be sync or async)
+        const successful = await Blazor.reconnect();
+        if (!successful) {
+            // We have been able to reach the server, but the circuit is no longer available.
+            // We'll reload the page so the user can continue using the app as quickly as possible.
+            const resumeSuccessful = await Blazor.resumeCircuit();
+            if (!resumeSuccessful) {
+                location.reload();
+            } else {
+                reconnectModal.close();
+            }
+        }
+    } catch (err) {
+        // We got an exception, server is currently unavailable
+        document.addEventListener("visibilitychange", retryWhenDocumentBecomesVisible);
+    }
+}
+
+async function resume() {
+    try {
+        const successful = await Blazor.resumeCircuit();
+        if (!successful) {
+            location.reload();
+        }
+    } catch {
+         reconnectModal.classList.replace("components-reconnect-paused", "components-reconnect-resume-failed");
+    }
+}
+
+async function retryWhenDocumentBecomesVisible() {
+    if (document.visibilityState === "visible") {
+        await retry();
+    }
+}

PointOfSale/Pos.Web/Components/Pages/Error.razor

@@ -0,0 +1,36 @@
+@page "/Error"
+@using System.Diagnostics
+
+<PageTitle>Error</PageTitle>
+
+<h1 class="text-danger">Error.</h1>
+<h2 class="text-danger">An error occurred while processing your request.</h2>
+
+@if (ShowRequestId)
+{
+    <p>
+        <strong>Request ID:</strong> <code>@RequestId</code>
+    </p>
+}
+
+<h3>Development Mode</h3>
+<p>
+    Swapping to <strong>Development</strong> environment will display more detailed information about the error that occurred.
+</p>
+<p>
+    <strong>The Development environment shouldn't be enabled for deployed applications.</strong>
+    It can result in displaying sensitive information from exceptions to end users.
+    For local debugging, enable the <strong>Development</strong> environment by setting the <strong>ASPNETCORE_ENVIRONMENT</strong> environment variable to <strong>Development</strong>
+    and restarting the app.
+</p>
+
+@code{
+    [CascadingParameter]
+    private HttpContext? HttpContext { get; set; }
+
+    private string? RequestId { get; set; }
+    private bool ShowRequestId => !string.IsNullOrEmpty(RequestId);
+
+    protected override void OnInitialized() =>
+        RequestId = Activity.Current?.Id ?? HttpContext?.TraceIdentifier;
+}

PointOfSale/Pos.Web/Components/Pages/Home.razor

@@ -0,0 +1,21 @@
+@rendermode InteractiveServer
+@inject NavigationManager Nav
+@page "/"
+
+<Header/>
+
+
+<div class="home-container">
+    <FluentButton Class="menu-button" Size="ButtonSize.Large">
+        Kassesalg
+    </FluentButton>
+    <FluentButton Class="menu-button" Size="ButtonSize.Large" onclick="@(() => Nav.NavigateTo("/todaySales"))">
+        Dagens salg
+    </FluentButton>
+    <FluentButton Class="menu-button" Size="ButtonSize.Large">
+        Print Bon
+    </FluentButton>
+    <FluentButton Class="menu-button" Size="ButtonSize.Large" onclick="@(() => Nav.NavigateTo("/settings"))">
+        Indstillinger
+    </FluentButton>
+</div>

PointOfSale/Pos.Web/Components/Pages/Home.razor.css

@@ -0,0 +1,23 @@
+
+.home-container {
+    width: min(100%, 1100px);
+    margin: 32px auto;
+    display: grid;
+    grid-template-columns: repeat(2, minmax(0, 1fr));
+    gap: 24px;
+}
+
+.home-container ::deep .menu-button {
+    width: 100%;
+    min-height: 220px;
+    font-size: 28px;
+    font-weight: 600;
+}
+
+@media (max-width: 680px) {
+    .home-container {
+        grid-template-columns: 1fr;
+        margin: 24px 16px;
+    }
+}
+

PointOfSale/Pos.Web/Components/Pages/NotFound.razor

@@ -0,0 +1,5 @@
+@page "/not-found"
+@layout MainLayout
+
+<h3>Not Found</h3>
+<p>Sorry, the content you are looking for does not exist.</p>

PointOfSale/Pos.Web/Components/Pages/Settings/CreateEmployeeDialog.razor

@@ -0,0 +1,44 @@
+@using Pos.Service
+@inject EmployeeService EmployeeService
+
+@if (IsOpen)
+{
+    <div class="dialog-overlay">
+        <div class="employee-dialog" role="dialog" aria-modal="true" aria-labelledby="create-employee-title">
+            <div class="dialog-header">
+                <h2 id="create-employee-title">Opret medarbejder</h2>
+                <button class="close-button"
+                        type="button"
+                        aria-label="Luk"
+                        @onclick="CloseAsync">
+                    &times;
+                </button>
+            </div>
+
+            <div class="dialog-content">
+                <label for="employee-name">Navn</label>
+                <input id="employee-name"
+                       class="name-input"
+                       type="text"
+                       placeholder="Indtast navn"
+                       @bind="_name"
+                       @bind:event="oninput" />
+                <p>Medarbejderen bliver aktiv med det samme.</p>
+            </div>
+
+            <div class="dialog-actions">
+                <button class="cancel-button"
+                        type="button"
+                        @onclick="CloseAsync">
+                    Annuller
+                </button>
+                <button class="create-button"
+                        type="button"
+                        disabled="@string.IsNullOrWhiteSpace(_name)"
+                        @onclick="CreateEmployeeAsync">
+                    Opret medarbejder
+                </button>
+            </div>
+        </div>
+    </div>
+}

PointOfSale/Pos.Web/Components/Pages/Settings/CreateEmployeeDialog.razor.cs

@@ -0,0 +1,35 @@
+using Database.Models;
+using Microsoft.AspNetCore.Components;
+using Pos.Service;
+
+namespace Pos.Web.Components.Pages.Settings
+{
+    public partial class CreateEmployeeDialog
+    {
+        [Parameter]
+        public bool IsOpen { get; set; }
+
+        [Parameter]
+        public EventCallback<bool> IsOpenChanged { get; set; }
+
+        [Parameter]
+        public EventCallback<EmployeeEntity> EmployeeCreated { get; set; }
+
+        private string _name = string.Empty;
+
+        private async Task CreateEmployeeAsync()
+        {
+            EmployeeEntity employee =
+                await EmployeeService.AddEmployeeAsync(_name);
+
+            await EmployeeCreated.InvokeAsync(employee);
+            await CloseAsync();
+        }
+
+        private async Task CloseAsync()
+        {
+            _name = string.Empty;
+            await IsOpenChanged.InvokeAsync(false);
+        }
+    }
+}

PointOfSale/Pos.Web/Components/Pages/Settings/CreateEmployeeDialog.razor.css

@@ -0,0 +1,132 @@
+.dialog-overlay {
+    position: fixed;
+    inset: 0;
+    z-index: 1000;
+    display: grid;
+    place-items: center;
+    padding: 24px;
+    background: rgb(15 23 42 / 45%);
+}
+
+.employee-dialog {
+    width: min(100%, 650px);
+    overflow: hidden;
+    border-radius: 12px;
+    background: white;
+    color: #242424;
+    color-scheme: light;
+}
+
+.dialog-header {
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    padding: 28px 40px 18px;
+}
+
+.dialog-header h2 {
+    margin: 0;
+    font-size: 28px;
+}
+
+.close-button {
+    border: 0;
+    background: transparent;
+    color: #334155;
+    cursor: pointer;
+    font-size: 36px;
+    line-height: 1;
+}
+
+.dialog-content {
+    display: grid;
+    gap: 10px;
+    padding: 18px 40px 36px;
+}
+
+.dialog-content label {
+    color: #242424;
+    font-size: 16px;
+    font-weight: 500;
+}
+
+.name-input {
+    box-sizing: border-box;
+    width: 100%;
+    height: 48px;
+    padding: 0 14px;
+    border: 1px solid #8a8a8a;
+    border-radius: 6px;
+    outline: none;
+    background: #ffffff;
+    color: #242424;
+    font: inherit;
+}
+
+.name-input::placeholder {
+    color: #707070;
+}
+
+.name-input:focus {
+    border-color: #0f6cbd;
+    box-shadow: 0 0 0 1px #0f6cbd;
+}
+
+.dialog-content p {
+    margin: 6px 0 0;
+    color: #64748b;
+}
+
+.dialog-actions {
+    display: flex;
+    justify-content: flex-end;
+    gap: 16px;
+    padding: 24px 40px;
+    border-top: 1px solid #e2e8f0;
+}
+
+.cancel-button,
+.create-button {
+    min-height: 42px;
+    padding: 0 22px;
+    border-radius: 6px;
+    cursor: pointer;
+    font: inherit;
+    font-weight: 500;
+}
+
+.cancel-button {
+    border: 1px solid #616161;
+    background: #ffffff;
+    color: #242424;
+}
+
+.cancel-button:hover {
+    background: #f5f5f5;
+}
+
+.create-button {
+    border: 1px solid #0f6cbd;
+    background: #0f6cbd;
+    color: #ffffff;
+}
+
+.create-button:hover:not(:disabled) {
+    background: #115ea3;
+}
+
+.create-button:disabled {
+    border-color: #d1d1d1;
+    background: #e0e0e0;
+    color: #707070;
+    cursor: not-allowed;
+}
+
+@media (max-width: 600px) {
+    .dialog-header,
+    .dialog-content,
+    .dialog-actions {
+        padding-right: 24px;
+        padding-left: 24px;
+    }
+}

PointOfSale/Pos.Web/Components/Pages/Settings/Employees.razor

@@ -0,0 +1,45 @@
+@page "/settings/employees"
+@inject IDialogService DialogService
+@rendermode InteractiveServer
+@using Database.Models
+@using Pos.Service
+@inject EmployeeService EmployeeService
+
+<Header />
+
+<div class="employees-page">
+    <div class="employees-header">
+        <h1>Medarbejdere</h1>
+
+        <FluentButton Appearance="@ButtonAppearance.Primary"
+                      OnClick="@(() => _showCreateDialog = true)">
+            Opret medarbejder
+        </FluentButton>
+    </div>
+    @if (_isLoading)
+    {
+        <FluentProgressRing />
+    }
+    else
+    {
+        <FluentDataGrid TGridItem="EmployeeEntity"
+                        Items="@_employees.AsQueryable()"
+                        GridTemplateColumns="1fr 180px">
+
+            <PropertyColumn Property="@(item => item.Name)"
+                            Title="Navn"
+                            Sortable="true" />
+
+            <TemplateColumn Title="Handling" Context="employee">
+                <FluentButton Class="deactivate-button"
+                              Appearance="@ButtonAppearance.Outline"
+                              OnClick="@(() => ConfirmDeactivation(employee))">
+                    Deaktivér
+                </FluentButton>
+            </TemplateColumn>
+        </FluentDataGrid>
+    }
+</div>
+
+<CreateEmployeeDialog @bind-IsOpen="_showCreateDialog"
+                      EmployeeCreated="EmployeeCreated" />

PointOfSale/Pos.Web/Components/Pages/Settings/Employees.razor.cs

@@ -0,0 +1,53 @@
+using Database.Models;
+using Microsoft.FluentUI.AspNetCore.Components;
+
+namespace Pos.Web.Components.Pages.Settings
+{
+    public partial class Employees
+    {
+        private List<EmployeeEntity> _employees = [];
+        private bool _isLoading = true;
+        private bool _showCreateDialog;
+
+        protected override async Task OnInitializedAsync()
+        {
+            _employees = await EmployeeService.GetEmployeesAsync();
+            _isLoading = false;
+        }
+
+        private void LoadEmployees()
+        {
+            _employees = EmployeeService.GetEmployees();
+        }
+
+        private async Task ConfirmDeactivation(EmployeeEntity employee)
+        {
+            DialogResult result = await DialogService.ShowConfirmationAsync(
+            $"Er du sikker på, at du vil deaktivere {employee.Name}?",
+            "Bekræft deaktivering",
+            "Annuller",
+            "Deaktivér");
+
+            if (result.Cancelled)
+            {
+                DeactivateEmployee(employee);
+            }
+        }
+
+        private void DeactivateEmployee(EmployeeEntity employee)
+        {
+            EmployeeService.ArchiveEmployee(employee.Id);
+            LoadEmployees();
+        }
+
+        private class EmployeeRow
+        {
+            public string Name { get; set; } = string.Empty;
+        }
+
+        private void EmployeeCreated(EmployeeEntity employee)
+        {
+            _employees.Add(employee);
+        }
+    }
+}

PointOfSale/Pos.Web/Components/Pages/Settings/Employees.razor.css

@@ -0,0 +1,26 @@
+/* CSS for Employees component */
+.employees-page {
+    width: min(100%, 1100px);
+    margin: 0 auto;
+    padding: 32px;
+}
+
+.employees-header {
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    margin-bottom: 24px;
+}
+
+.employees-header h1 {
+    margin: 0;
+}
+
+.employees-page ::deep fluent-data-grid {
+    width: 100%;
+}
+
+.employees-page ::deep .deactivate-button {
+    color: #b10e1e;
+    border-color: #b10e1e;
+}

PointOfSale/Pos.Web/Components/Pages/Settings/ProductGroupDialog.razor

@@ -0,0 +1,30 @@
+@using Database.Models
+@using Pos.Service
+@inject ProductGroupService ProductGroupService
+
+@if (IsOpen)
+{
+    <div class="dialog-overlay">
+        <div class="product-dialog" role="dialog" aria-modal="true" aria-labelledby="product-dialog-title">
+            <div class="dialog-header">
+                <h2 id="product-dialog-title">@(_productGroupId.HasValue ? "Redigér vare" : "Opret vare")</h2>
+                <button class="close-button" type="button" aria-label="Luk" @onclick="CloseAsync">&times;</button>
+            </div>
+            <div class="dialog-content">
+                <label for="product-name">Navn</label>
+                <input id="product-name" class="dialog-input" type="text" placeholder="Indtast navn"
+                       @bind="_name" @bind:event="oninput" />
+
+                <label for="product-vat">Moms i procent</label>
+                <input id="product-vat" class="dialog-input" type="number" min="0" max="100" step="0.01"
+                       @bind="_vatRate" />
+            </div>
+            <div class="dialog-actions">
+                <button class="cancel-button" type="button" @onclick="CloseAsync">Annuller</button>
+                <button class="save-button" type="button" disabled="@(!CanSave)" @onclick="SaveAsync">
+                    @(_productGroupId.HasValue ? "Gem ændringer" : "Opret vare")
+                </button>
+            </div>
+        </div>
+    </div>
+}

PointOfSale/Pos.Web/Components/Pages/Settings/ProductGroupDialog.razor.cs

@@ -0,0 +1,50 @@
+using Database.Models;
+using Microsoft.AspNetCore.Components;
+
+namespace Pos.Web.Components.Pages.Settings
+{
+    public partial class ProductGroupDialog
+    {
+        [Parameter] public bool IsOpen { get; set; }
+        [Parameter] public EventCallback<bool> IsOpenChanged { get; set; }
+        [Parameter] public ProductGroupEntity? ProductGroup { get; set; }
+        [Parameter] public EventCallback ProductGroupSaved { get; set; }
+
+        private int? _productGroupId;
+        private string _name = string.Empty;
+        private decimal _vatRate = 25m;
+        private bool _wasOpen;
+        private bool CanSave => !string.IsNullOrWhiteSpace(_name) && _vatRate >= 0 && _vatRate <= 100;
+
+        protected override void OnParametersSet()
+        {
+            if (IsOpen && !_wasOpen)
+            {
+                _productGroupId = ProductGroup?.Id;
+                _name = ProductGroup?.Name ?? string.Empty;
+                _vatRate = ProductGroup?.VatRate ?? 25m;
+            }
+            _wasOpen = IsOpen;
+        }
+
+        private async Task SaveAsync()
+        {
+            if (!CanSave)
+                return;
+
+            if (_productGroupId.HasValue)
+                ProductGroupService.UpdateProductGroup(_productGroupId.Value, _name, _vatRate);
+            else
+                ProductGroupService.AddProductGroup(_name, _vatRate);
+
+            await ProductGroupSaved.InvokeAsync();
+            await CloseAsync();
+        }
+
+        private async Task CloseAsync()
+        {
+            _wasOpen = false;
+            await IsOpenChanged.InvokeAsync(false);
+        }
+    }
+}

PointOfSale/Pos.Web/Components/Pages/Settings/ProductGroupDialog.razor.css

@@ -0,0 +1,14 @@
+.dialog-overlay { position: fixed; inset: 0; z-index: 1000; display: grid; place-items: center; padding: 24px; background: rgb(15 23 42 / 45%); }
+.product-dialog { width: min(100%, 650px); overflow: hidden; border-radius: 12px; background: white; color: #242424; color-scheme: light; }
+.dialog-header { display: flex; align-items: center; justify-content: space-between; padding: 28px 40px 18px; }
+.dialog-header h2 { margin: 0; font-size: 28px; }
+.close-button { border: 0; background: transparent; color: #334155; cursor: pointer; font-size: 36px; line-height: 1; }
+.dialog-content { display: grid; gap: 10px; padding: 18px 40px 36px; }
+.dialog-content label { margin-top: 8px; font-size: 16px; font-weight: 500; }
+.dialog-input { box-sizing: border-box; width: 100%; height: 48px; padding: 0 14px; border: 1px solid #8a8a8a; border-radius: 6px; outline: none; background: #fff; color: #242424; font: inherit; }
+.dialog-input:focus { border-color: #0f6cbd; box-shadow: 0 0 0 1px #0f6cbd; }
+.dialog-actions { display: flex; justify-content: flex-end; gap: 16px; padding: 24px 40px; border-top: 1px solid #e2e8f0; }
+.cancel-button, .save-button { min-height: 42px; padding: 0 22px; border-radius: 6px; cursor: pointer; font: inherit; font-weight: 500; }
+.cancel-button { border: 1px solid #616161; background: #fff; color: #242424; }
+.save-button { border: 1px solid #0f6cbd; background: #0f6cbd; color: #fff; }
+.save-button:disabled { border-color: #d1d1d1; background: #e0e0e0; color: #707070; cursor: not-allowed; }

PointOfSale/Pos.Web/Components/Pages/Settings/Products.razor

@@ -0,0 +1,77 @@
+@page "/settings/products"
+@rendermode InteractiveServer
+@using Database.Models
+@using Pos.Service
+@inject IDialogService DialogService
+@inject ProductGroupService ProductGroupService
+
+<Header />
+
+<div class="products-page">
+    <div class="products-header">
+        <h1>Vare</h1>
+    </div>
+
+    <div class="products-toolbar">
+        <label class="search-field">
+            <span aria-hidden="true">⌕</span>
+            <input type="search" placeholder="Søg vare" aria-label="Søg vare"
+                   @bind="_searchText" @bind:event="oninput" />
+        </label>
+
+        <FluentButton Class="create-button" Appearance="@ButtonAppearance.Primary"
+                      OnClick="OpenCreateDialog">
+            <span class="button-icon" aria-hidden="true">＋</span> Opret vare
+        </FluentButton>
+
+        <FluentButton Class="save-order-button" Appearance="@ButtonAppearance.Outline"
+                      Disabled="@(!_orderHasChanged)" OnClick="SaveOrder">
+            <span class="button-icon" aria-hidden="true">⇅</span> Gem rækkefølge
+        </FluentButton>
+    </div>
+
+    @if (_isLoading)
+    {
+        <FluentSpinner />
+    }
+    else
+    {
+        <div class="products-table">
+            <div class="products-row products-column-header">
+                <span>Rækkefølge</span><span>Navn</span><span>Moms</span><span>Status</span><span>Handling</span>
+            </div>
+            <div class="products-list">
+                @foreach (ProductGroupEntity productGroup in FilteredProductGroups)
+                {
+                    <div class="products-row product-row @GetDragClass(productGroup)" @key="productGroup.Id"
+                         draggable="true" @ondragstart="@(() => StartDragging(productGroup))"
+                         @ondragover:preventDefault="true" @ondrop="@(() => DropProductGroup(productGroup))"
+                         @ondragend="StopDragging">
+                        <span class="drag-handle" title="Træk for at ændre rækkefølge">⠿</span>
+                        <span class="product-name">@productGroup.Name</span>
+                        <span>@productGroup.VatRate.ToString("0.##") %</span>
+                        <span class="active-status">Aktiv</span>
+                        <span class="row-actions">
+                            <FluentButton Appearance="@ButtonAppearance.Outline"
+                                          OnClick="@(() => OpenEditDialog(productGroup))">Redigér</FluentButton>
+                            <FluentButton Class="delete-button" Appearance="@ButtonAppearance.Outline"
+                                          OnClick="@(() => ConfirmDeactivation(productGroup))">Slet</FluentButton>
+                        </span>
+                    </div>
+                }
+                @if (!FilteredProductGroups.Any())
+                {
+                    <p class="empty-state">Ingen varer matcher din søgning.</p>
+                }
+            </div>
+        </div>
+    }
+
+    <p class="products-help"><span aria-hidden="true">ⓘ</span>
+        Træk i håndtaget for at ændre rækkefølgen. Deaktiverede varer vises ikke i kassesalget.
+    </p>
+</div>
+
+<ProductGroupDialog @bind-IsOpen="_showProductGroupDialog"
+                    ProductGroup="_productGroupToEdit"
+                    ProductGroupSaved="ProductGroupSaved" />

PointOfSale/Pos.Web/Components/Pages/Settings/Products.razor.cs

@@ -0,0 +1,93 @@
+using Database.Models;
+using Microsoft.FluentUI.AspNetCore.Components;
+
+namespace Pos.Web.Components.Pages.Settings
+{
+    public partial class Products
+    {
+        private List<ProductGroupEntity> _productGroups = [];
+        private ProductGroupEntity? _draggedProductGroup;
+        private ProductGroupEntity? _productGroupToEdit;
+        private string _searchText = string.Empty;
+        private bool _isLoading = true;
+        private bool _showProductGroupDialog;
+        private bool _orderHasChanged;
+
+        private IEnumerable<ProductGroupEntity> FilteredProductGroups =>
+            _productGroups.Where(productGroup =>
+                string.IsNullOrWhiteSpace(_searchText) ||
+                productGroup.Name.Contains(_searchText, StringComparison.CurrentCultureIgnoreCase));
+
+        protected override void OnInitialized()
+        {
+            LoadProductGroups();
+            _isLoading = false;
+        }
+
+        private void LoadProductGroups() =>
+            _productGroups = ProductGroupService.GetProductGroups();
+
+        private void OpenCreateDialog()
+        {
+            _productGroupToEdit = null;
+            _showProductGroupDialog = true;
+        }
+
+        private void OpenEditDialog(ProductGroupEntity productGroup)
+        {
+            _productGroupToEdit = productGroup;
+            _showProductGroupDialog = true;
+        }
+
+        private void ProductGroupSaved()
+        {
+            LoadProductGroups();
+            _orderHasChanged = false;
+        }
+
+        private void StartDragging(ProductGroupEntity productGroup) =>
+            _draggedProductGroup = productGroup;
+
+        private void DropProductGroup(ProductGroupEntity target)
+        {
+            if (_draggedProductGroup == null || _draggedProductGroup.Id == target.Id ||
+                !string.IsNullOrWhiteSpace(_searchText))
+            {
+                StopDragging();
+                return;
+            }
+
+            int oldIndex = _productGroups.IndexOf(_draggedProductGroup);
+            int newIndex = _productGroups.IndexOf(target);
+            _productGroups.RemoveAt(oldIndex);
+            _productGroups.Insert(newIndex, _draggedProductGroup);
+            _orderHasChanged = true;
+            StopDragging();
+        }
+
+        private void StopDragging() => _draggedProductGroup = null;
+
+        private string GetDragClass(ProductGroupEntity productGroup) =>
+            _draggedProductGroup?.Id == productGroup.Id ? "dragging" : string.Empty;
+
+        private void SaveOrder()
+        {
+            ProductGroupService.UpdateOrder(_productGroups.Select(item => item.Id).ToList());
+            _orderHasChanged = false;
+        }
+
+        private async Task ConfirmDeactivation(ProductGroupEntity productGroup)
+        {
+            DialogResult result = await DialogService.ShowConfirmationAsync(
+                $"Er du sikker på, at du vil slette {productGroup.Name}?",
+                "Bekræft sletning", "Slet", "Annuller");
+
+            if (!result.Cancelled)
+            {
+                ProductGroupService.ArchiveProductGroup(productGroup.Id);
+                LoadProductGroups();
+                _orderHasChanged = false;
+            }
+        }
+    }
+}

PointOfSale/Pos.Web/Components/Pages/Settings/Products.razor.css

@@ -0,0 +1,24 @@
+.products-page { width: min(100%, 1400px); margin: 0 auto; padding: 32px; }
+.products-header { padding-bottom: 20px; border-bottom: 1px solid #e2e8f0; }
+.products-header h1 { margin: 0; }
+.products-toolbar { display: grid; grid-template-columns: minmax(280px, 1.6fr) minmax(210px, .8fr) minmax(230px, .9fr); gap: 32px; margin: 32px 0; }
+.search-field { display: flex; align-items: center; gap: 16px; box-sizing: border-box; height: 56px; padding: 0 20px; border: 1px solid #cbd5e1; border-radius: 8px; color: #475569; }
+.search-field span { font-size: 30px; }
+.search-field input { width: 100%; border: 0; outline: 0; background: transparent; color: inherit; font: inherit; font-size: 18px; }
+.products-toolbar ::deep fluent-button { width: 100%; min-height: 56px; font-size: 18px; }
+.button-icon { margin-right: 10px; font-size: 26px; }
+.products-table { overflow: hidden; border: 1px solid #cbd5e1; border-radius: 10px; }
+.products-list { max-height: 535px; overflow-y: auto; }
+.products-row { display: grid; grid-template-columns: 150px minmax(190px, 1.3fr) 110px 120px minmax(250px, 1fr); align-items: center; min-height: 76px; padding: 0 32px; border-bottom: 1px solid #e2e8f0; }
+.products-column-header { min-height: 56px; color: #334155; font-weight: 600; }
+.product-row:last-child { border-bottom: 0; }
+.product-row.dragging { opacity: .45; }
+.drag-handle { width: fit-content; color: #64748b; cursor: grab; font-size: 30px; }
+.product-name { font-size: 19px; }
+.active-status { color: #16a34a; }
+.row-actions { display: flex; gap: 12px; }
+.products-page ::deep .delete-button { color: #d13438; border-color: #d13438; }
+.products-help { display: flex; gap: 12px; margin: 32px 6px 0; color: #64748b; }
+.products-help span { font-size: 21px; }
+.empty-state { margin: 0; padding: 36px; color: #64748b; text-align: center; }
+@media (max-width: 900px) { .products-toolbar { grid-template-columns: 1fr; gap: 12px; } .products-table { overflow-x: auto; } .products-row { min-width: 900px; } }

PointOfSale/Pos.Web/Components/Pages/Settings/Settings.razor

@@ -0,0 +1,18 @@
+@rendermode InteractiveServer
+@inject NavigationManager Nav
+@page "/settings"
+
+<Header />
+<div class="settings-page">
+    <h1>Indstillinger</h1>
+    <p>Administrer data, der bruges i kassesalget.</p>
+    <div class="settings-grid">
+        <FluentButton Class="settings-button" onclick="@(() => Nav.NavigateTo("/settings/employees"))">
+            Medarbejder
+        </FluentButton>
+        <FluentButton Class="settings-button" onclick="@(() => Nav.NavigateTo("/settings/products"))">
+            Vare
+        </FluentButton>
+    </div>
+</div>
+

PointOfSale/Pos.Web/Components/Pages/Settings/Settings.razor.css

@@ -0,0 +1,36 @@
+
+.settings-page {
+    width: min(100%, 1100px);
+    margin: 0 auto;
+    padding: 32px;
+}
+
+.settings-page h1 {
+    margin-bottom: 12px;
+    color: var(--colorNeutralForeground1);
+}
+
+.settings-grid {
+    display: grid;
+    grid-template-columns: repeat(2, minmax(0, 1fr));
+    gap: 24px;
+    margin-top: 32px;
+}
+
+.settings-grid ::deep .settings-button {
+    width: 100%;
+    min-height: 220px;
+    font-size: 28px;
+    font-weight: 600;
+}
+
+@media (max-width: 680px) {
+    .settings-page {
+        padding: 24px 16px;
+    }
+
+    .settings-grid {
+        grid-template-columns: 1fr;
+    }
+}
+

PointOfSale/Pos.Web/Components/Pages/TodaySales/TodaySales.razor

@@ -0,0 +1,34 @@
+@page "/todaySales"
+@rendermode InteractiveServer
+@inject IJSRuntime Js
+@inject SaleService SaleService
+
+<Header />
+<div class="page-container today-sales-page">
+    <div class="filters">
+        <label class="filter-control"><span>Dato</span><span class="filter-box"><svg viewBox="0 0 24 24"><rect x="3.5" y="5.5" width="17" height="15" rx="2"/><path d="M7 3.5v4M17 3.5v4M3.5 9.5h17"/></svg><input type="date" value="@_date.ToString("yyyy-MM-dd")" @onchange="DateChanged"/></span></label>
+        <label class="filter-control short"><span>Periode</span><span class="filter-box"><svg viewBox="0 0 24 24"><rect x="3.5" y="5.5" width="17" height="15" rx="2"/><path d="M7 3.5v4M17 3.5v4M3.5 9.5h17"/></svg><select @onchange="RangeChanged" value="@_range"><option value="1">1 dag</option><option value="7">7 dage</option><option value="30">30 dage</option></select></span></label>
+    </div>
+    <section class="ui-card summary-card">
+        <div class="summary-icon"><svg viewBox="0 0 64 64"><path d="M12 52h40M18 48V35h8v13M29 48V25h8v23M40 48V14h8v34"/></svg></div>
+        <div><p>Dagens salg</p><strong>@Currency(_summary.Total)</strong><small>@_summary.SaleCount salg</small></div>
+    </section>
+    <div class="sales-grid">
+        <UiCard Title="Salg pr. varegruppe" Class="sales-category-card">
+            <MetricList TItem="Metric" Items="@_summary.Categories">
+                <HeaderContent><span>Varegruppe</span><span>Salg</span></HeaderContent>
+                <RowTemplate Context="row"><div class="metric-row"><span>@row.Name</span><span>@Currency(row.Amount)</span></div></RowTemplate>
+            </MetricList>
+        </UiCard>
+        <div class="sales-right">
+            <UiCard Title="Betalingsfordeling">
+                <MetricList TItem="Metric" Items="@_summary.Payments">
+                    <RowTemplate Context="row"><div class="metric-row"><span>@row.Name</span><span>@Currency(row.Amount)</span></div></RowTemplate>
+                </MetricList>
+            </UiCard>
+            <button class="print-button" type="button" @onclick="PrintAsync"><svg viewBox="0 0 24 24"><path d="M6 9V3h12v6M6 18H4a2 2 0 0 1-2-2v-5a2 2 0 0 1 2-2h16a2 2 0 0 1 2 2v5a2 2 0 0 1-2 2h-2M6 14h12v7H6z"/></svg>Print salg</button>
+        </div>
+    </div>
+</div>
+
+

PointOfSale/Pos.Web/Components/Pages/TodaySales/TodaySales.razor.cs

@@ -0,0 +1,71 @@
+using Microsoft.AspNetCore.Components;
+using Microsoft.JSInterop;
+using Pos.Models;
+using System.Globalization;
+
+namespace Pos.Web.Components.Pages.TodaySales;
+
+public partial class TodaySales
+{
+    private static readonly CultureInfo Danish = CultureInfo.GetCultureInfo("da-DK");
+    private TotalSaleDetail? _totalSaleDetail;
+    private DateTime _date = DateTime.Now;
+    private string _range = "1";
+    private Summary _summary = new(0m, 0, Array.Empty<Metric>(), Array.Empty<Metric>());
+
+    private async Task DateChanged(ChangeEventArgs e)
+    {
+        if (DateTime.TryParse(e.Value?.ToString(), out var date))
+        {
+            _date = date;
+            await LoadAsync();
+        }
+    }
+
+    protected override async Task OnInitializedAsync()
+    {
+        await LoadAsync();
+    }
+
+    private async Task RangeChanged(ChangeEventArgs e)
+    {
+        _range = e.Value?.ToString() ?? "1";
+        await LoadAsync();
+    }
+
+    private Task LoadAsync()
+    {
+        var result = SaleService.TotalSale(_date);
+        _totalSaleDetail = result;
+
+        _summary = new Summary(
+            result.TotalSale,
+            result.TotalCustomer,
+            result.TotalSaleCategories
+                .Select(category => new Metric(category.Category, category.Sale))
+                .ToList(),
+            result.PaymentBreakdown
+                .Select(payment => new Metric(payment.PaymentMethod, payment.Amount))
+                .ToList());
+
+        return Task.CompletedTask;
+    }
+
+    private async Task PrintAsync()
+    {
+        // TODO: Kobl til SaleService.PrintSaleOfDay(_date, _totalSaleDetail)
+        // eller POST /api/sales/print.
+        await Js.InvokeVoidAsync("window.print");
+    }
+
+    private static string Currency(decimal amount) =>
+        $"{amount.ToString("N2", Danish)} kr.";
+
+    private sealed record Metric(string Name, decimal Amount);
+
+    private sealed record Summary(
+        decimal Total,
+        int SaleCount,
+        IReadOnlyList<Metric> Categories,
+        IReadOnlyList<Metric> Payments);
+}

PointOfSale/Pos.Web/Components/Pages/TodaySales/TodaySales.razor.css

@@ -0,0 +1,307 @@
+
+.today-sales-page {
+    width: min(100%, 1420px);
+    min-height: calc(100dvh - 78px);
+    margin: 0 auto;
+    padding: 38px 32px 64px;
+    box-sizing: border-box;
+}
+
+.filters {
+    display: flex;
+    align-items: end;
+    gap: 16px;
+    flex-wrap: wrap;
+    margin-bottom: 20px;
+}
+
+.filter-control {
+    display: flex;
+    min-width: 230px;
+    flex-direction: column;
+    gap: 6px;
+    color: #3e444d;
+    font-size: 14px;
+}
+
+.filter-control.short {
+    min-width: 140px;
+}
+
+.filter-box {
+    display: flex;
+    min-height: 56px;
+    align-items: center;
+    gap: 10px;
+    padding: 0 14px;
+    border: 1px solid #bfc5cd;
+    border-radius: 8px;
+    background: #fff;
+}
+
+.filter-box svg {
+    width: 23px;
+    height: 23px;
+    flex: none;
+    fill: none;
+    stroke: currentColor;
+    stroke-linecap: round;
+    stroke-linejoin: round;
+    stroke-width: 1.7;
+}
+
+.filter-box input,
+.filter-box select {
+    width: 100%;
+    min-width: 0;
+    border: 0;
+    outline: 0;
+    background: transparent;
+    font-size: 18px;
+}
+
+.summary-card {
+    display: flex;
+    min-height: 170px;
+    align-items: center;
+    gap: 32px;
+    padding: 28px 34px;
+}
+
+.summary-icon {
+    display: grid;
+    width: 114px;
+    height: 114px;
+    flex: none;
+    place-items: center;
+    border-radius: 50%;
+    color: var(--pos-blue);
+    background: var(--pos-blue-soft);
+}
+
+.summary-icon svg {
+    width: 58px;
+    height: 58px;
+    fill: none;
+    stroke: currentColor;
+    stroke-linecap: round;
+    stroke-linejoin: round;
+    stroke-width: 2;
+}
+
+.summary-card p {
+    margin: 0 0 4px;
+    font-size: 19px;
+}
+
+.summary-card strong {
+    display: block;
+    font-size: 48px;
+    line-height: 1.05;
+    letter-spacing: -.035em;
+}
+
+.summary-card small {
+    display: block;
+    margin-top: 6px;
+    color: var(--pos-muted);
+    font-size: 18px;
+}
+
+.sales-grid {
+    display: grid;
+    grid-template-columns: minmax(0, 1.25fr) minmax(350px, 1fr);
+    gap: 20px;
+    align-items: start;
+    margin-top: 20px;
+}
+
+.sales-right {
+    display: flex;
+    flex-direction: column;
+    gap: 20px;
+}
+
+::deep .ui-card {
+    overflow: hidden;
+    border: 1px solid var(--pos-border);
+    border-radius: 12px;
+    background: #fff;
+    box-shadow: 0 1px 2px rgba(16, 24, 40, .03);
+}
+
+::deep .ui-card__header {
+    padding: 26px 32px 16px;
+}
+
+::deep .ui-card__header h2 {
+    margin: 0;
+    font-size: 22px;
+    font-weight: 650;
+}
+
+::deep .ui-card__body {
+    padding: 0 32px 28px;
+}
+
+::deep .metric-list__header,
+::deep .metric-row {
+    display: grid;
+    grid-template-columns: 1fr auto;
+    gap: 16px;
+}
+
+::deep .metric-list__header {
+    padding-bottom: 12px;
+    color: var(--pos-muted);
+}
+
+::deep .metric-row {
+    min-height: 58px;
+    align-items: center;
+    border-top: 1px solid var(--pos-border-soft);
+    font-size: 19px;
+}
+
+::deep .metric-row > :last-child,
+::deep .metric-list__header > :last-child {
+    text-align: right;
+    white-space: nowrap;
+}
+
+.print-button {
+    display: flex;
+    width: 100%;
+    min-height: 70px;
+    align-items: center;
+    justify-content: center;
+    gap: 14px;
+    border: 1.5px solid var(--pos-blue);
+    border-radius: 9px;
+    color: var(--pos-blue);
+    background: #fff;
+    font-weight: 700;
+}
+
+.print-button:hover {
+    background: var(--pos-blue-soft);
+}
+
+.print-button svg {
+    width: 28px;
+    height: 28px;
+    fill: none;
+    stroke: currentColor;
+    stroke-linecap: round;
+    stroke-linejoin: round;
+    stroke-width: 1.8;
+}
+
+@media (min-width: 900px) and (max-height: 850px) {
+    .today-sales-page {
+        padding-top: 22px;
+        padding-bottom: 18px;
+    }
+
+    .filters {
+        margin-bottom: 14px;
+    }
+
+    .filter-box {
+        min-height: 48px;
+    }
+
+    .summary-card {
+        min-height: 130px;
+        gap: 24px;
+        padding: 20px 28px;
+    }
+
+    .summary-icon {
+        width: 88px;
+        height: 88px;
+    }
+
+    .summary-icon svg {
+        width: 48px;
+        height: 48px;
+    }
+
+    .summary-card strong {
+        font-size: 40px;
+    }
+
+    .summary-card small {
+        font-size: 16px;
+    }
+
+    .sales-grid {
+        gap: 20px;
+        margin-top: 16px;
+    }
+
+    ::deep .ui-card__header {
+        padding: 18px 28px 10px;
+    }
+
+    ::deep .ui-card__body {
+        padding: 0 28px 16px;
+    }
+
+    ::deep .metric-list__header {
+        padding-bottom: 7px;
+    }
+
+    ::deep .metric-row {
+        min-height: 39px;
+        font-size: 17px;
+    }
+
+    .print-button {
+        min-height: 54px;
+    }
+}
+
+@media (max-width: 900px) {
+    .sales-grid {
+        grid-template-columns: 1fr;
+    }
+}
+
+@media (max-width: 680px) {
+    .today-sales-page {
+        padding: 24px 16px 40px;
+    }
+
+    .summary-card {
+        gap: 18px;
+        padding: 22px 20px;
+    }
+
+    .summary-icon {
+        width: 72px;
+        height: 72px;
+    }
+
+    .summary-icon svg {
+        width: 40px;
+        height: 40px;
+    }
+
+    .summary-card strong {
+        font-size: 34px;
+    }
+
+    ::deep .ui-card__header {
+        padding: 22px 20px 14px;
+    }
+
+    ::deep .ui-card__body {
+        padding: 0 20px 22px;
+    }
+
+    ::deep .metric-row {
+        font-size: 17px;
+    }
+}
+

PointOfSale/Pos.Web/Components/Routes.razor

@@ -0,0 +1,5 @@
+<Router AppAssembly="typeof(Program).Assembly" NotFoundPage="typeof(Pages.NotFound)">
+    <Found Context="routeData">
+        <RouteView RouteData="routeData" DefaultLayout="typeof(Layout.MainLayout)" />
+    </Found>
+</Router>

PointOfSale/Pos.Web/Components/Shared/Header.razor

@@ -0,0 +1,26 @@
+@rendermode InteractiveServer
+@implements IDisposable
+@inject NavigationManager NavigationManager
+
+<header class="top-nav">
+    <div class="nav-start">
+        @if (!IsHomePage)
+        {
+            <button class="home-button"
+                    type="button"
+                    title="Tilbage til forsiden"
+                    aria-label="Tilbage til forsiden"
+                    @onclick="GoToHome">
+                ←
+            </button>
+        }
+
+        <div class="brand">Blomster POS</div>
+    </div>
+
+    <time datetime="@_currentTime.ToString("O")">
+        @_currentTime.ToString(
+            "dddd d. MMMM yyyy · HH:mm",
+            _danishCulture)
+    </time>
+</header>

PointOfSale/Pos.Web/Components/Shared/Header.razor.cs

@@ -0,0 +1,42 @@
+using System.Globalization;
+
+namespace Pos.Web.Components.Shared
+{
+    public partial class Header
+    {
+        private readonly CultureInfo _danishCulture =
+            CultureInfo.GetCultureInfo("da-DK");
+
+        private readonly Timer _timer;
+        private DateTime _currentTime = DateTime.Now;
+
+        private bool IsHomePage =>
+            string.IsNullOrEmpty(
+                NavigationManager.ToBaseRelativePath(NavigationManager.Uri));
+
+        public Header()
+        {
+            _timer = new Timer(
+                UpdateTime,
+                null,
+                TimeSpan.FromMinutes(1),
+                TimeSpan.FromMinutes(1));
+        }
+
+        private void UpdateTime(object? state)
+        {
+            _currentTime = DateTime.Now;
+            _ = InvokeAsync(StateHasChanged);
+        }
+
+        private void GoToHome()
+        {
+            NavigationManager.NavigateTo("/");
+        }
+
+        public void Dispose()
+        {
+            _timer.Dispose();
+        }
+    }
+}

PointOfSale/Pos.Web/Components/Shared/Header.razor.css

@@ -0,0 +1,54 @@
+.top-nav {
+    min-height: 72px;
+    box-sizing: border-box;
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    gap: 24px;
+    padding: 0 32px;
+    background: var(--colorNeutralBackground1);
+    border-bottom: 1px solid var(--colorNeutralStroke2);
+}
+
+.nav-start {
+    display: flex;
+    align-items: center;
+    gap: 16px;
+}
+
+.brand {
+    color: var(--colorNeutralForeground1);
+    font-size: 26px;
+    font-weight: 600;
+}
+
+.home-button {
+    display: grid;
+    place-items: center;
+    width: 44px;
+    height: 44px;
+    padding: 0;
+    border: 1px solid var(--colorNeutralStroke1);
+    border-radius: 8px;
+    background: transparent;
+    color: var(--colorNeutralForeground1);
+    cursor: pointer;
+    font-family: inherit;
+    font-size: 28px;
+    line-height: 1;
+}
+
+.home-button:hover {
+    background: var(--colorNeutralBackground1Hover);
+}
+
+.home-button:focus-visible {
+    outline: 2px solid var(--colorStrokeFocus2);
+    outline-offset: 2px;
+}
+
+time {
+    color: var(--colorNeutralForeground2);
+    font-size: 18px;
+    white-space: nowrap;
+}

PointOfSale/Pos.Web/Components/Shared/MetricList.razor

@@ -0,0 +1,10 @@
+@typeparam TItem
+<div class="metric-list">
+    @if (HeaderContent is not null) { <div class="metric-list__header">@HeaderContent</div> }
+    @foreach (var item in Items) { @RowTemplate(item) }
+</div>
+@code {
+    [Parameter] public IReadOnlyList<TItem> Items { get; set; } = Array.Empty<TItem>();
+    [Parameter] public RenderFragment? HeaderContent { get; set; }
+    [Parameter] public RenderFragment<TItem> RowTemplate { get; set; } = default!;
+}

PointOfSale/Pos.Web/Components/Shared/UiCard.razor

@@ -0,0 +1,12 @@
+<section class="ui-card @Class">
+    @if (!string.IsNullOrWhiteSpace(Title))
+    {
+        <div class="ui-card__header"><h2>@Title</h2></div>
+    }
+    <div class="ui-card__body">@ChildContent</div>
+</section>
+@code {
+    [Parameter] public string Title { get; set; } = string.Empty;
+    [Parameter] public string Class { get; set; } = string.Empty;
+    [Parameter] public RenderFragment? ChildContent { get; set; }
+}

PointOfSale/Pos.Web/Components/_Imports.razor

@@ -0,0 +1,18 @@
+@using System.Net.Http
+@using System.Net.Http.Json
+@using Microsoft.AspNetCore.Components
+@using Microsoft.AspNetCore.Components.Forms
+@using Microsoft.AspNetCore.Components.Routing
+@using Microsoft.AspNetCore.Components.Web
+@using static Microsoft.AspNetCore.Components.Web.RenderMode
+@using Microsoft.AspNetCore.Components.Web.Virtualization
+@using Microsoft.FluentUI.AspNetCore.Components
+@using Icons = Microsoft.FluentUI.AspNetCore.Components.Icons
+@using Microsoft.JSInterop
+@using Pos.Web
+@using Pos.Web.Components
+@using Pos.Web.Components.Layout
+@using Pos.Web.Components.Shared
+@using Pos.Service
+
+