merge

Data/BookingDb.cs

@@ -10,7 +10,7 @@ public class BookingDb : DbContext {
     public DbSet<SubCategory> SubCategories { get; set; }
 
     protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder) {
-        const string connectionString = "server=woitschetzki.de;port=3306;database=buchhaltung;user=sascha;password=mgltoJtmmDnKJ86LltsGdw;SslMode=;SslCa=";
+        const string connectionString = "server=woitschetzki.de;port=3308;database=buchhaltung;user=sascha;password=527646;SslMode=;SslCa=";
 
         try {
             optionsBuilder.UseMySql(connectionString, ServerVersion.AutoDetect(connectionString)).EnableSensitiveDataLogging().EnableDetailedErrors();

Pages/Bookings.razor.cs

@@ -9,10 +9,9 @@ public partial class Bookings {
 
     protected override async Task OnInitializedAsync() {
         bookings = await GenericController.GetAllAsync<Booking>() ?? new List<Booking>();
+        selectedBooking = bookings.FirstOrDefault();
         await base.OnInitializedAsync();
     }
 
-    private void OnSelectedBookingChanged(Booking newSelectedBooking) {
+    private void OnSelectedBookingChanged(Booking newSelectedBooking) => selectedBooking = newSelectedBooking;
-        selectedBooking = newSelectedBooking;
-    }
 }

Pages/Index.razor

@@ -1,7 +1,20 @@
 @page "/"
+@using BuchhaltungBlazor.Services
 
 <PageTitle>Index</PageTitle>
 
-<h1>Hello, world!</h1>
+<h1>Hello, user.</h1>
+Welcome to my bookings app.
+<Paragraph>
+    <Button Color="Color.Primary" Clicked="@OnEnsureCreated">Ensure Created Database</Button>
+    <Button Color="Color.Secondary" Clicked="@OnMigrate">Migrate Database</Button>
+</Paragraph>
 
-Welcome to your new app.
+@code {
+    private static void OnEnsureCreated() => GenericController.DeleteAndCreateDb();
+
+    private static async Task OnMigrate() {
+        await GenericController.Migrate();
+        Console.WriteLine("Migration done.");
+    } 
+}

Services/GenericController.cs

@@ -4,15 +4,27 @@ using Microsoft.EntityFrameworkCore;
 namespace BuchhaltungBlazor.Services;
 
 public static class GenericController {
+    private static readonly BookingDb db = new();
     public static async Task<IList<TResult>?> GetAllAsync<TResult>() where TResult : class {
         try {
-            await using BookingDb db = new();
+            return await db.Set<TResult>().ToListAsync();
-            IList<TResult> resultSet = await db.Set<TResult>().ToListAsync();
-            return resultSet;
         }
         catch (Exception exception) {
             Console.WriteLine(exception);
             return default;
         }
     }
+    
+    public static void DeleteAndCreateDb() {
+        bool a = db.Database.EnsureDeleted();
+        bool b =  db.Database.EnsureCreated();
+        Console.WriteLine($"deleted = {a}, created = {b}");
+        db.SaveChanges();
+    }
+
+    public static async Task Migrate() {
+        await db.Database.MigrateAsync();
+        await db.SaveChangesAsync();
+    } 
+
 }

Shared/MainLayout.razor

@@ -10,7 +10,6 @@
     <main>
         <div class="top-row px-4 auth">
             <LoginDisplay/>
-            <a href="https://learn.microsoft.com/aspnet/core/" target="_blank">About</a>
         </div>
 
         <article class="content px-4">

Shared/NavMenu.razor

@@ -34,11 +34,8 @@
 
 @code {
     private bool collapseNavMenu = true;
-
     private string? NavMenuCssClass => collapseNavMenu ? "collapse" : null;
 
-    private void ToggleNavMenu() {
+    private void ToggleNavMenu() => collapseNavMenu = !collapseNavMenu;
-        collapseNavMenu = !collapseNavMenu;
-    }
 
 }