Added shared projects

LiteCharms.Features/Orders/Queries/Handlers/GetOrderRefundQueryHandler.cs

@@ -0,0 +1,27 @@
+using LiteCharms.Extensions;
+using LiteCharms.Infrastructure.Database;
+using LiteCharms.Models;
+
+namespace LiteCharms.Features.Orders.Queries.Handlers;
+
+public class GetOrderRefundQueryHandler(IDbContextFactory<LeadGeneratorDbContext> contextFactory) : IRequestHandler<GetOrderRefundQuery, Result<OrderRefund>>
+{
+    public async ValueTask<Result<OrderRefund>> Handle(GetOrderRefundQuery request, CancellationToken cancellationToken)
+    {
+		try
+		{
+            using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+
+            var refund = await context.OrderRefunds.AsNoTracking()
+                .FirstOrDefaultAsync(r => r.OrderId == request.OrderId && r.Id == request.OrderRefundId, cancellationToken);
+            
+            return refund is not null
+                ? Result.Ok(refund.ToModel())
+                : Result.Fail<OrderRefund>(new Error($"Refund {request.OrderRefundId} not found for the given OrderId: {request.OrderId}"));
+        }
+		catch (Exception ex)
+		{
+            return Result.Fail<OrderRefund>(new Error(ex.Message).CausedBy(ex));
+        }
+    }
+}