Added package management

2026-05-10 14:18:56 +02:00
parent 32d1019eb5
commit 394429677e
29 changed files with 765 additions and 35 deletions
@@ -0,0 +1,39 @@
+using LiteCharms.Infrastructure.Database;
+
+namespace LiteCharms.Features.ShoppingCarts.Commands.Handlers;
+
+public class AddPackageToShoppingCartCommandHandler(IDbContextFactory<ShopDbContext> contextFactory) : IRequestHandler<AddPackageToShoppingCartCommand, Result>
+{
+    public async ValueTask<Result> Handle(AddPackageToShoppingCartCommand request, CancellationToken cancellationToken)
+    {
+        try
+        {
+            using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+
+            if (!await context.Packages.AnyAsync(p => p.Id == request.PackageId, cancellationToken))
+                return Result.Fail($"Package cold not be found by ID {request.PackageId}");
+
+            var shoppingCart = await context.ShoppingCarts.FirstOrDefaultAsync(c => c.Id == request.ShoppingCartId, cancellationToken);
+
+            if (shoppingCart is null)
+                return Result.Fail($"Shopping cart could not be found by ID {request.ShoppingCartId}");
+
+            if (!await context.ShoppingCartPackages.AnyAsync(cp => cp.ShoppingCartId == request.ShoppingCartId, cancellationToken))
+                return Result.Fail($"Package {request.PackageId} is already in the cart");
+
+            var newShoppingCartPackage = context.ShoppingCartPackages.Add(new Entities.ShoppingCartPackage
+            {
+                ShoppingCartId = request.ShoppingCartId,
+                PackageId = request.PackageId
+            });
+
+            return await context.SaveChangesAsync(cancellationToken) > 0
+                ? Result.Ok()
+                : Result.Fail($"Could not add package of id {request.PackageId} to shopping cart {request.ShoppingCartId}");
+        }
+        catch (Exception ex)
+        {
+            return Result.Fail(new Error(ex.Message).CausedBy(ex));
+        }
+    }
+}