Entityframework hinzugefügt

SewerStammGen.EntityFramework/SewerStammGenDbContextFactory.cs

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+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Design;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SewerStammGen.EntityFramework
+{
+    public class SewerStammGenDbContextFactory : IDesignTimeDbContextFactory<SewerStammGenDbContext>
+    {
+        private readonly Action<DbContextOptionsBuilder> _configureDbContext;
+
+        public SewerStammGenDbContextFactory() { }
+
+        public SewerStammGenDbContextFactory(Action<DbContextOptionsBuilder> configureDbContext)
+        {
+            _configureDbContext = configureDbContext;
+        }
+
+        public SewerStammGenDbContext CreateDbContext()
+        {
+            DbContextOptionsBuilder<SewerStammGenDbContext>? options = new();
+            _configureDbContext( options );
+            return new SewerStammGenDbContext(options.Options);
+        }
+
+        public SewerStammGenDbContext CreateDbContext(string[] args)
+        {
+            var options = new DbContextOptionsBuilder<SewerStammGenDbContext>();
+            options.UseNpgsql("Host = localhost; Database = SewerGen; Username = SewerGen; Password = SewerGen");
+            SewerStammGenDbContext result = new(options.Options);
+            return result;
+        }
+    }
+}