From 27439cbd95e3562b1c6b5449a74d22c56e43c6a0 Mon Sep 17 00:00:00 2001
From: Leandro Hernan Rojas <leandro.rojas@saludlab.com.ar>
Date: Sat, 5 Jul 2025 13:26:22 -0300
Subject: [PATCH] Add Download Template Product

---
 Core/Interfaces/Stock/ILSProductDom.cs        |   1 +
 Core/Services/Stock/LSProductService.cs       |  11 +++++
 .../Controllers/Stock/LSProductController.cs  |   9 ++++
 .../Templates/Stock/plantilla_productos.xlsx  | Bin 0 -> 5245 bytes
 .../obj/Debug/net8.0/ApiEndpoints.json        |  10 +++++
 phronCare.API/phronCare.API.csproj            |   5 +++
 .../Pages/Stock/ProductImport.razor           |  40 +++++++++++++++++-
 .../Services/Stock/LSProductService.cs        |  17 +++++++-
 8 files changed, 90 insertions(+), 3 deletions(-)
 create mode 100644 phronCare.API/Resources/Templates/Stock/plantilla_productos.xlsx

diff --git a/Core/Interfaces/Stock/ILSProductDom.cs b/Core/Interfaces/Stock/ILSProductDom.cs
index bba90cd..4c76f25 100644
--- a/Core/Interfaces/Stock/ILSProductDom.cs
+++ b/Core/Interfaces/Stock/ILSProductDom.cs
@@ -11,5 +11,6 @@ namespace Core.Interfaces
         Task<bool> UpdateAsync(ELSProduct entity);
         Task<bool> DeleteAsync(int id);
         Task<byte[]> ExportToExcelAsync(LSProductSearchParams searchParams);
+        byte[] GetImportTemplate();
     }
 }
\ No newline at end of file
diff --git a/Core/Services/Stock/LSProductService.cs b/Core/Services/Stock/LSProductService.cs
index 335456b..a9cd721 100644
--- a/Core/Services/Stock/LSProductService.cs
+++ b/Core/Services/Stock/LSProductService.cs
@@ -77,5 +77,16 @@ namespace Core.Services
                 throw new Exception($"Error en {method}: {ex.Message}", ex);
             }
         }
+        public byte[] GetImportTemplate()
+        {
+            var path = Path.Combine(Directory.GetCurrentDirectory(), "Resources", "Templates", "Stock", "plantilla_productos.xlsx");
+
+            if (!File.Exists(path))
+                throw new FileNotFoundException("No se encontró la plantilla de importación de productos.", path);
+
+            return File.ReadAllBytes(path);
+        }
+
+
     }
 }
diff --git a/phronCare.API/Controllers/Stock/LSProductController.cs b/phronCare.API/Controllers/Stock/LSProductController.cs
index ccf762d..4c01c38 100644
--- a/phronCare.API/Controllers/Stock/LSProductController.cs
+++ b/phronCare.API/Controllers/Stock/LSProductController.cs
@@ -64,5 +64,14 @@ namespace API.Controllers.Stock
             var fileName = $"productos_{DateTime.Now:yyyyMMddHHmm}.xlsx";
             return File(content, "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", fileName);
         }
+        
+        [HttpGet("download-template")]
+        public IActionResult DownloadImportTemplate()
+        {
+            var file = _service.GetImportTemplate();
+            return File(file,
+                "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
+                "plantilla_productos.xlsx");
+        }
     }
 }
diff --git a/phronCare.API/Resources/Templates/Stock/plantilla_productos.xlsx b/phronCare.API/Resources/Templates/Stock/plantilla_productos.xlsx
new file mode 100644
index 0000000000000000000000000000000000000000..7019c442b260493859a3cccdb53382a401789fad
GIT binary patch
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diff --git a/phronCare.API/obj/Debug/net8.0/ApiEndpoints.json b/phronCare.API/obj/Debug/net8.0/ApiEndpoints.json
index 89e1f28..0351352 100644
--- a/phronCare.API/obj/Debug/net8.0/ApiEndpoints.json
+++ b/phronCare.API/obj/Debug/net8.0/ApiEndpoints.json
@@ -1080,6 +1080,16 @@
       }
     ]
   },
+  {
+    "ContainingType": "API.Controllers.Stock.LSProductController",
+    "Method": "DownloadImportTemplate",
+    "RelativePath": "api/LSProduct/download-template",
+    "HttpMethod": "GET",
+    "IsController": true,
+    "Order": 0,
+    "Parameters": [],
+    "ReturnTypes": []
+  },
   {
     "ContainingType": "API.Controllers.Stock.LSProductController",
     "Method": "ExportFiltered",
diff --git a/phronCare.API/phronCare.API.csproj b/phronCare.API/phronCare.API.csproj
index 7dbd028..f1096a3 100644
--- a/phronCare.API/phronCare.API.csproj
+++ b/phronCare.API/phronCare.API.csproj
@@ -19,6 +19,11 @@
 
   <ItemGroup>
     <Content Include="Resources\logo.png" />
+    <Content Include="Resources\Templates\Stock\plantilla_productos.xlsx">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+      <ExcludeFromSingleFile>true</ExcludeFromSingleFile>
+      <CopyToPublishDirectory>PreserveNewest</CopyToPublishDirectory>
+    </Content>
   </ItemGroup>
 
   <ItemGroup>
diff --git a/phronCare.UIBlazor/Pages/Stock/ProductImport.razor b/phronCare.UIBlazor/Pages/Stock/ProductImport.razor
index fcf391d..fe1b296 100644
--- a/phronCare.UIBlazor/Pages/Stock/ProductImport.razor
+++ b/phronCare.UIBlazor/Pages/Stock/ProductImport.razor
@@ -1,13 +1,17 @@
 @page "/stock/productimport"
+@using phronCare.UIBlazor.Services.Stock
 
 @inject IJSRuntime JS
+@inject IToastService toastService
 @inject NavigationManager Navigation
+@inject LSProductService productService
 
 <h3 class="mb-4">Importación masiva de productos</h3>
 
 <div class="mb-3">
     <button class="btn btn-primary" @onclick="DownloadTemplate">Descargar plantilla Excel</button>
 </div>
+
 <div class="mb-4">
     <label for="fileUpload" class="form-label fw-semibold">Seleccionar archivo Excel</label>
     <div class="input-group">
@@ -16,6 +20,13 @@
     </div>
 </div>
 
+@if (UploadedFile != null)
+{
+    <div class="mb-4">
+        <button class="btn btn-warning" @onclick="ProcessFile">Procesar archivo Excel</button>
+    </div>
+}
+
 @if (PreviewItems != null)
 {
     <h5 class="mt-4">Vista previa</h5>
@@ -61,6 +72,8 @@
 
 @code {
     private List<ProductImportPreviewDto>? PreviewItems;
+    private IBrowserFile? UploadedFile;
+
     protected override void OnInitialized()
     {
         PreviewItems = new List<ProductImportPreviewDto>
@@ -72,14 +85,37 @@
             new() { FactoryCode = "ZIM005", Name = "Perno cortical", Description = "Perno de fijación", ProductType = 1, TraceabilityType = 3, DivisionCode = "ZIM", UnitCode = "UN", PlusProcess = true, ExternalCode = "EXT005" }
         };
     }
+
     private async Task DownloadTemplate()
     {
-        Navigation.NavigateTo("api/LSProductImport/download-template", forceLoad: true);
+        try
+        {
+            await productService.DownloadTemplateAsync();
+        }
+        catch (Exception ex)
+        {
+            toastService.ShowError($"Error al descargar la plantilla: {ex.Message}");
+        }
     }
 
     private async Task HandleFileSelected(InputFileChangeEventArgs e)
     {
-        // Lógica futura para parsear y enviar archivo al backend
+        UploadedFile = e.File;
+        //PreviewItems = null; // Limpiar preview anterior
+    }
+
+    private async Task ProcessFile()
+    {
+        if (UploadedFile == null) return;
+
+        using var stream = UploadedFile.OpenReadStream(10 * 1024 * 1024);
+        using var ms = new MemoryStream();
+        await stream.CopyToAsync(ms);
+        var content = ms.ToArray();
+
+        // Aquí deberías llamar al backend para validar y obtener la vista previa
+        // Por ahora se simula con los datos ya cargados en OnInitialized
+        // PreviewItems = await Http.PostAsJsonAsync(...)
     }
 
     private async Task SimulateImport()
diff --git a/phronCare.UIBlazor/Services/Stock/LSProductService.cs b/phronCare.UIBlazor/Services/Stock/LSProductService.cs
index 62fd7f7..499b3b9 100644
--- a/phronCare.UIBlazor/Services/Stock/LSProductService.cs
+++ b/phronCare.UIBlazor/Services/Stock/LSProductService.cs
@@ -73,5 +73,20 @@ namespace phronCare.UIBlazor.Services.Stock
                 throw new Exception($"{message}", ex);
             }
         }
-    }
+        public async Task DownloadTemplateAsync()
+        {
+            var response = await _http.GetAsync("/api/LSProduct/download-template");
+
+            if (!response.IsSuccessStatusCode)
+            {
+                var errorContent = await response.Content.ReadAsStringAsync();
+                throw new Exception($"No se pudo descargar la plantilla: {errorContent}");
+            }
+
+            var bytes = await response.Content.ReadAsByteArrayAsync();
+            var base64 = Convert.ToBase64String(bytes);
+            await _js.InvokeVoidAsync("saveAsFile", "plantilla_productos.xlsx", base64);
+        }
+
+}
 }