creating endpoints from PurchaseOrder

PyroFetes/Endpoints/PurchaseOrder/DeletePurchaseOrderEndpoint.cs

@@ -0,0 +1,41 @@
+using FastEndpoints;
+using Microsoft.EntityFrameworkCore;
+
+namespace PyroFetes.Endpoints.PurchaseOrder;
+
+public class DeletePurchaseOrderRequest
+{
+    public int Id { get; set; }
+}
+
+public class DeletePurchaseOrderEndpoint(PyroFetesDbContext database) : Endpoint<DeletePurchaseOrderRequest>
+{
+    public override void Configure()
+    {
+        Delete("/api/purchaseOrders/{Id}", x => new {x.Id});
+        AllowAnonymous();
+    }
+
+    public override async Task HandleAsync(DeletePurchaseOrderRequest req, CancellationToken ct)
+    {
+        var purchaseOrder = await database.PurchaseOrders
+            .Include(po => po.PurchaseProducts)
+            .SingleOrDefaultAsync(po => po.Id == req.Id, ct);
+
+        if (purchaseOrder == null)
+        {
+            await Send.NotFoundAsync(ct);
+            return;
+        }
+        
+        if (purchaseOrder.PurchaseProducts != null && purchaseOrder.PurchaseProducts.Any())
+        {
+            database.PurchaseProducts.RemoveRange(purchaseOrder.PurchaseProducts);
+        }
+        
+        database.PurchaseOrders.Remove(purchaseOrder); 
+        await database.SaveChangesAsync(ct);
+        
+        await Send.NoContentAsync(ct);
+    }
+}