Merge pull request 'feat(sales): enable excel export button in DeliveryNotes UI' (#49) from feature/leandro/48-deliverynote-excel-export-ui into master

Reviewed-on: http://saludlab.com.ar:3000/leandro/phronCare/pulls/49

phronCare.UIBlazor/Pages/Sales/DeliveryNotes/DeliveryNotes.razor

@@ -269,8 +269,19 @@
         }
     }
 
-    private void ExportarExcel()
+    private async Task ExportarExcel()
     {
-        toastService.ShowInfo("La exportación a Excel se implementará en una próxima story.");
+        Filters.Page = 1;
+        Filters.PageSize = int.MaxValue; // Exportar todos los resultados
+
+        try
+        {
+            await deliveryNoteService.ExportFilteredAsync(Filters);
+            toastService.ShowSuccess("Exportación completada.");
+        }
+        catch (Exception ex)
+        {
+            toastService.ShowError($"Error: {ex.Message}");
+        }
     }
 }

phronCare.UIBlazor/Services/Sales/DeliveryNotes/DeliveryNoteService.cs

@@ -2,6 +2,8 @@ using Domain.Dtos.Sales;
 using Domain.Generics;
 using Microsoft.JSInterop;
 using System.Net.Http.Json;
+using System.Text;
+using System.Text.Json;
 
 namespace phronCare.UIBlazor.Services.Sales.DeliveryNotes
 {
@@ -121,5 +123,25 @@ namespace phronCare.UIBlazor.Services.Sales.DeliveryNotes
                 throw new Exception($"ExportPdfAsync: {ex.Message}", ex);
             }
         }
+
+        public async Task ExportFilteredAsync(DeliveryNoteSearchParams searchParams)
+        {
+            var content = new StringContent(JsonSerializer.Serialize(searchParams), Encoding.UTF8, "application/json");
+            var response = await _http.PostAsync("/api/deliverynote/exportfiltered", content);
+
+            if (!response.IsSuccessStatusCode)
+            {
+                var serverMessage = await response.Content.ReadAsStringAsync();
+                throw new Exception(string.IsNullOrWhiteSpace(serverMessage)
+                    ? "No se pudo exportar el Excel de remitos."
+                    : serverMessage);
+            }
+
+            var bytes = await response.Content.ReadAsByteArrayAsync();
+            var base64 = Convert.ToBase64String(bytes);
+            var fileName = $"{DateTime.Now:yyyyMMddHHmm}_deliverynotes.xlsx";
+
+            await _js.InvokeVoidAsync("saveAsFile", fileName, base64);
+        }
     }
 }

phronCare.UIBlazor/Services/Sales/DeliveryNotes/IDeliveryNoteService.cs

@@ -11,5 +11,6 @@ namespace phronCare.UIBlazor.Services.Sales.DeliveryNotes
         Task<IEnumerable<DeliveryNoteDto>> GetByQuoteIdAsync(int quoteId);
         Task<DeliveryNoteCreateResponse> CreateAndIssueAsync(DeliveryNoteCreateRequest request);
         Task ExportPdfAsync(int deliveryNoteId, string deliveryNoteNumber);
+        Task ExportFilteredAsync(DeliveryNoteSearchParams searchParams);
     }
 }