Datenbank Angelegt über dotnet tools migrations

Aps Single Page Anwendung/Controllers/WeatherForecastController.cs

@@ -1,39 +0,0 @@
-using Microsoft.AspNetCore.Mvc;
-using Microsoft.Extensions.Logging;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading.Tasks;
-
-namespace Aps_Single_Page_Anwendung.Controllers
-{
-    [ApiController]
-    [Route("[controller]")]
-    public class WeatherForecastController : ControllerBase
-    {
-        private static readonly string[] Summaries = new[]
-        {
-            "Freezing", "Bracing", "Chilly", "Cool", "Mild", "Warm", "Balmy", "Hot", "Sweltering", "Scorching"
-        };
-
-        private readonly ILogger<WeatherForecastController> _logger;
-
-        public WeatherForecastController(ILogger<WeatherForecastController> logger)
-        {
-            _logger = logger;
-        }
-
-        [HttpGet]
-        public IEnumerable<WeatherForecast> Get()
-        {
-            var rng = new Random();
-            return Enumerable.Range(1, 5).Select(index => new WeatherForecast
-            {
-                Date = DateTime.Now.AddDays(index),
-                TemperatureC = rng.Next(-20, 55),
-                Summary = Summaries[rng.Next(Summaries.Length)]
-            })
-            .ToArray();
-        }
-    }
-}

Aps Single Page Anwendung/appsettings.json

@@ -1,10 +0,0 @@
-{
-  "Logging": {
-      "LogLevel": {
-      "Default": "Information",
-      "Microsoft": "Warning",
-      "Microsoft.Hosting.Lifetime": "Information"
-      }
-    },
-"AllowedHosts": "*"
-}

Single_Page_Anwendung.sln

@@ -3,7 +3,7 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
 VisualStudioVersion = 17.1.32319.34
 MinimumVisualStudioVersion = 10.0.40219.1
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Aps Single Page Anwendung", "Aps Single Page Anwendung\Aps Single Page Anwendung.csproj", "{82B23342-82DE-47B8-8FDC-A9477C6897EC}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Single_Page_Anwendung", "Single_Page_Anwendung\Single_Page_Anwendung.csproj", "{82B23342-82DE-47B8-8FDC-A9477C6897EC}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution

Single_Page_Anwendung/Migrations/20220607122417_InitialCreate.Designer.cs

@@ -0,0 +1,83 @@
+// <auto-generated />
+using Aps_Single_Page_Anwendung.Models;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+namespace Single_Page_Anwendung.Migrations
+{
+    [DbContext(typeof(FutterContext))]
+    [Migration("20220607122417_InitialCreate")]
+    partial class InitialCreate
+    {
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "3.0.0")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128)
+                .HasAnnotation("SqlServer:ValueGenerationStrategy", SqlServerValueGenerationStrategy.IdentityColumn);
+
+            modelBuilder.Entity("Aps_Single_Page_Anwendung.Models.Kategorie", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int")
+                        .HasAnnotation("SqlServer:ValueGenerationStrategy", SqlServerValueGenerationStrategy.IdentityColumn);
+
+                    b.Property<string>("Beschreibung")
+                        .HasColumnType("nvarchar(255)")
+                        .HasMaxLength(255);
+
+                    b.Property<string>("Name")
+                        .HasColumnType("nvarchar(100)")
+                        .HasMaxLength(100);
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Kategorien");
+                });
+
+            modelBuilder.Entity("Aps_Single_Page_Anwendung.Models.Speise", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int")
+                        .HasAnnotation("SqlServer:ValueGenerationStrategy", SqlServerValueGenerationStrategy.IdentityColumn);
+
+                    b.Property<string>("Beschreibung")
+                        .HasColumnType("nvarchar(255)")
+                        .HasMaxLength(255);
+
+                    b.Property<int>("KategorieId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(100)")
+                        .HasMaxLength(100);
+
+                    b.Property<double>("Preis")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("KategorieId");
+
+                    b.ToTable("Speisen");
+                });
+
+            modelBuilder.Entity("Aps_Single_Page_Anwendung.Models.Speise", b =>
+                {
+                    b.HasOne("Aps_Single_Page_Anwendung.Models.Kategorie", "Kategorie")
+                        .WithMany("Speisen")
+                        .HasForeignKey("KategorieId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

Single_Page_Anwendung/Migrations/20220607122417_InitialCreate.cs

@@ -0,0 +1,60 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+namespace Single_Page_Anwendung.Migrations
+{
+    public partial class InitialCreate : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "Kategorien",
+                columns: table => new
+                {
+                    Id = table.Column<int>(nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    Name = table.Column<string>(maxLength: 100, nullable: true),
+                    Beschreibung = table.Column<string>(maxLength: 255, nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Kategorien", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Speisen",
+                columns: table => new
+                {
+                    Id = table.Column<int>(nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    Name = table.Column<string>(maxLength: 100, nullable: false),
+                    Beschreibung = table.Column<string>(maxLength: 255, nullable: true),
+                    Preis = table.Column<double>(nullable: false),
+                    KategorieId = table.Column<int>(nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Speisen", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Speisen_Kategorien_KategorieId",
+                        column: x => x.KategorieId,
+                        principalTable: "Kategorien",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Speisen_KategorieId",
+                table: "Speisen",
+                column: "KategorieId");
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "Speisen");
+
+            migrationBuilder.DropTable(
+                name: "Kategorien");
+        }
+    }
+}

Single_Page_Anwendung/Migrations/FutterContextModelSnapshot.cs

@@ -0,0 +1,81 @@
+// <auto-generated />
+using Aps_Single_Page_Anwendung.Models;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+namespace Single_Page_Anwendung.Migrations
+{
+    [DbContext(typeof(FutterContext))]
+    partial class FutterContextModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "3.0.0")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128)
+                .HasAnnotation("SqlServer:ValueGenerationStrategy", SqlServerValueGenerationStrategy.IdentityColumn);
+
+            modelBuilder.Entity("Aps_Single_Page_Anwendung.Models.Kategorie", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int")
+                        .HasAnnotation("SqlServer:ValueGenerationStrategy", SqlServerValueGenerationStrategy.IdentityColumn);
+
+                    b.Property<string>("Beschreibung")
+                        .HasColumnType("nvarchar(255)")
+                        .HasMaxLength(255);
+
+                    b.Property<string>("Name")
+                        .HasColumnType("nvarchar(100)")
+                        .HasMaxLength(100);
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Kategorien");
+                });
+
+            modelBuilder.Entity("Aps_Single_Page_Anwendung.Models.Speise", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int")
+                        .HasAnnotation("SqlServer:ValueGenerationStrategy", SqlServerValueGenerationStrategy.IdentityColumn);
+
+                    b.Property<string>("Beschreibung")
+                        .HasColumnType("nvarchar(255)")
+                        .HasMaxLength(255);
+
+                    b.Property<int>("KategorieId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(100)")
+                        .HasMaxLength(100);
+
+                    b.Property<double>("Preis")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("KategorieId");
+
+                    b.ToTable("Speisen");
+                });
+
+            modelBuilder.Entity("Aps_Single_Page_Anwendung.Models.Speise", b =>
+                {
+                    b.HasOne("Aps_Single_Page_Anwendung.Models.Kategorie", "Kategorie")
+                        .WithMany("Speisen")
+                        .HasForeignKey("KategorieId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

Single_Page_Anwendung/Models/DatenEinlesen.cs

@@ -0,0 +1,6 @@
+namespace Single_Page_Anwendung.Models
+{
+    public class DatenEinlesen
+    {
+    }
+}

Single_Page_Anwendung/Models/FutterContext.cs

@@ -0,0 +1,21 @@
+using Microsoft.EntityFrameworkCore;
+
+namespace Aps_Single_Page_Anwendung.Models
+{
+    public class FutterContext : DbContext
+    {
+        public FutterContext(DbContextOptions<FutterContext> options) : base(options)
+        {
+
+        }
+
+        //Erzeugt eine Tabelle namens Speisen mit den Felder aus Speise (Models)
+        public DbSet<Speise> Speisen { get; set; }
+
+        //Erzeugt eine Tabelle namens Kategorien, mit den Feldern aus Kategorie (Models)
+        public DbSet<Kategorie> Kategorien { get; set; }
+    }
+
+       
+    
+}

Single_Page_Anwendung/Models/Kategorie.cs

@@ -1,11 +1,17 @@
 using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
 
 namespace Aps_Single_Page_Anwendung.Models
 {
     public class Kategorie
     {
+        
         public int Id { get; set; }
+
+        [MaxLength(100)]
         public string Name { get; set; }
+
+        [MaxLength(255)]
         public string Beschreibung { get; set; }
         public virtual ICollection<Speise> Speisen { get; set; } = new HashSet<Speise>();
     }

Single_Page_Anwendung/Models/Speise.cs

@@ -6,8 +6,11 @@ namespace Aps_Single_Page_Anwendung.Models
     {
         public int Id { get; set; }
 
-        [Required] // Leere Felder sind damit nicht möglich
+        [Required] // Leere Felder sind damit nicht möglich, kein null möglich
+        [MaxLength(100)] // Vermeidet bei des Feldes in der Tabelle ein varchar(Max)
         public string Name { get; set; }
+
+        [MaxLength(255)]
         public string Beschreibung { get; set; }
 
         [Range(0,25)] // Preis darf nur zwischen 0 und 25 Euro sein

Single_Page_Anwendung/Single_Page_Anwendung.csproj

@@ -10,11 +10,16 @@
 
     <!-- Set this to true if you enable server-side prerendering -->
     <BuildServerSideRenderer>false</BuildServerSideRenderer>
-    <RootNamespace>Aps_Single_Page_Anwendung</RootNamespace>
+    <RootNamespace>Single_Page_Anwendung</RootNamespace>
   </PropertyGroup>
 
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.SpaServices.Extensions" Version="3.1.22" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="3.0.0">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="3.0.0" />
   </ItemGroup>
 
   <ItemGroup>

Single_Page_Anwendung/Startup.cs

@@ -1,8 +1,10 @@
+using Aps_Single_Page_Anwendung.Models;
 using Aps_Single_Page_Anwendung.Repositories;
 using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Hosting;
 using Microsoft.AspNetCore.HttpsPolicy;
 using Microsoft.AspNetCore.SpaServices.AngularCli;
+using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
@@ -18,9 +20,12 @@ namespace Aps_Single_Page_Anwendung
 
         public IConfiguration Configuration { get; }
 
-        // This method gets called by the runtime. Use this method to add services to the container.
         public void ConfigureServices(IServiceCollection services)
         {
+            // Connection String den ich in der appsettings.json definiert habe
+            services.AddDbContext<FutterContext>(options => options.UseSqlServer(Configuration.GetConnectionString("FutterContext")));
+
+
             services.AddControllersWithViews();
 
             // Sorgt dafür, das jedesmal wenn ein ISpeiseRep angefragt wird, wird ein FileSpeiseRep zurückgegeben

Single_Page_Anwendung/appsettings.json

@@ -0,0 +1,13 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft": "Warning",
+      "Microsoft.Hosting.Lifetime": "Information"
+    }
+  },
+  "ConnectionStrings": {
+    "FutterContext" : "Server=(localdb)\\mssqllocaldb;Database=DaRestaurant;Trusted_Connection=True;MultipleActiveResultSets=True" // Verbindungsstring zur Datenbank, in diesem Fall Local
+  },
+"AllowedHosts": "*"
+}