Added support for notifications

LiteCharms.Features/Products/Queries/Handlers/GetProductPricesQueryHandler.cs

@@ -0,0 +1,27 @@
+using LiteCharms.Extensions;
+using LiteCharms.Infrastructure.Database;
+using LiteCharms.Models;
+
+namespace LiteCharms.Features.Products.Queries.Handlers;
+
+public class GetProductPricesQueryHandler(IDbContextFactory<LeadGeneratorDbContext> contextFactory) : IRequestHandler<GetProductPricesQuery, Result<ProductPrice[]>>
+{
+    public async ValueTask<Result<ProductPrice[]>> Handle(GetProductPricesQuery request, CancellationToken cancellationToken)
+    {
+        try
+        {
+            using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+
+            var products = await context.ProductPrices.AsNoTracking()
+                .OrderByDescending(o => o.Id)
+                .Take(request.MaxRecords)
+                .ToArrayAsync(cancellationToken);
+
+            return Result.Ok(products.Select(p => p.ToModel()).ToArray());
+        }
+        catch (Exception ex)
+        {
+            return Result.Fail<ProductPrice[]>(new Error(ex.Message).CausedBy(ex));
+        }
+    }
+}