Leitungen können nun bearbeitet werden

DaSaSo.Wpf/HostBuilders/AddDbContextHostBuilderExtensions.cs

@@ -0,0 +1,41 @@
+using DaSaSo.EntityFramework;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DaSaSo.Wpf.HostBuilders
+{
+    public static class AddDbContextHostBuilderExtensions
+    {
+        public static IHostBuilder AddDBContext(this IHostBuilder host)
+        {
+            host.ConfigureServices((context,services) =>
+            {
+                string connectionString = "";
+                Action<DbContextOptionsBuilder> configureDbContext = null;
+                string databaseToUse = context.Configuration.GetConnectionString("databaseToUse");
+                if(databaseToUse.Equals("default"))
+                {
+                    connectionString = context.Configuration.GetConnectionString("default");
+                    configureDbContext = o => o.UseNpgsql(connectionString);
+                }
+                else if(databaseToUse.Equals("sqlite"))
+                {
+                    connectionString = context.Configuration.GetConnectionString("sqlite");
+                    configureDbContext = o => o.UseSqlite(connectionString);
+                }
+                
+                
+                services.AddDbContext<DaSaSoDbContext>(configureDbContext);
+                services.AddSingleton<DaSaSoDbContextFactory>(new DaSaSoDbContextFactory(configureDbContext));
+            });
+            return host;
+        }
+    }
+}