формирование списков работает

HardwareShop/HardwareShopBusinessLogic/BusinessLogics/Worker/WorkerReportLogic.cs

@@ -115,7 +115,7 @@ namespace HardwareShopContracts.BusinessLogicsContracts
             });
 
 			byte[] file = File.ReadAllBytes(model.FileName);
-			//File.Delete(model.FileName);
+			File.Delete(model.FileName);
 			return file;
 		}
 

HardwareShop/HardwareShopRestApi/Controllers/ReportController.cs

@@ -47,21 +47,23 @@ namespace HardwareShopRestApi.Controllers
 
 
 		[HttpPost]
-		public void BuildPurchaseReport(PurchaseBindingModel model, string format, string filename)
+		public byte[] BuildPurchaseReport(PurchaseBindingModel model, string format)
 		{
 			try
 			{
+				byte[] file;
 				switch (format)
 				{
-					case "doc":
+					case "docx":
-						_reportWorkerLogic.SavePurchasesToWordFile(new ReportBindingModel { FileName = filename }, model.Purchases);
+						file = _reportWorkerLogic.SavePurchasesToWordFile(new ReportBindingModel { FileName = "temp.docx" }, model.Purchases);
 						break;
-					case "excel":
+					case "xlsx":
-						_reportWorkerLogic.SavePurchasesToExcelFile(new ReportBindingModel { FileName = filename }, model.Purchases);
+						file = _reportWorkerLogic.SavePurchasesToExcelFile(new ReportBindingModel { FileName = "temp.xlsx" }, model.Purchases);
 						break;
 					default:
 						throw new FormatException("Неправильный формат файла");
 				}
+				return file;
 			}
 			catch (Exception ex)
 			{

HardwareShop/HardwareShopWorkerApp/APIClient.cs

@@ -46,5 +46,23 @@ namespace HardwareShopWorkerApp
                 throw new Exception(result);
             }
         }
+
+		public static R? PostRequestWithResult<T, R>(string requestUrl, T model)
+		{
+			var json = JsonConvert.SerializeObject(model);
+			var data = new StringContent(json, Encoding.UTF8, "application/json");
+
+			var response = _client.PostAsync(requestUrl, data);
+
+			var result = response.Result.Content.ReadAsStringAsync().Result;
+			if (response.Result.IsSuccessStatusCode)
+			{
+				return JsonConvert.DeserializeObject<R>(result);
+			}
+			else
+			{
+				return default;
+			}
+		}
 	}
 }

HardwareShop/HardwareShopWorkerApp/Controllers/HomeController.cs

@@ -332,7 +332,7 @@ namespace HardwareShopWorkerApp.Controllers
 		}
 
 		[HttpPost]
-		public void ListComponents([FromBody] PurchaseBindingModel goodModel, [FromQuery] string format, [FromQuery] string filename)
+		public int[]? ListComponents([FromBody] PurchaseBindingModel purchaseModel, [FromQuery] string format)
 		{
 			if (APIClient.User == null)
 			{
@@ -342,11 +342,11 @@ namespace HardwareShopWorkerApp.Controllers
 			{
 				throw new FormatException($"Неправильный формат файла: {format}");
 			}
-			if (string.IsNullOrEmpty(filename))
+			byte[]? file = APIClient.PostRequestWithResult<PurchaseBindingModel, byte[]>($"api/report/buildpurchasereport?format={format}", purchaseModel);
-			{
+			var array = file!.Select(b => (int)b).ToArray();
-				throw new FormatException($"Неправильное название файла: {filename}");
+			return array;
-			}
+
-			APIClient.PostRequest($"api/report/buildpurchasereport?format={format}&filename=${filename}", goodModel);
+
 		}
 
 		[HttpGet]

HardwareShop/HardwareShopWorkerApp/Views/Home/listComponents.cshtml

@@ -23,10 +23,6 @@
 		<tbody id="result">
 		</tbody>
 	</table>
-	<div class="col-sm-3">
-		<label class="form-label">Название файла</label>
-		<input type="text" class="form-control" name="filename" id="filename">
-	</div>
 	<div class="col d-flex justify-content-evenly align-items-baseline">
 		<button type="button" class="btn btn-primary btn-lg m-2" id="savedoc">Сохранить в doc-формате</button>
 		<button type="button" class="btn btn-primary btn-lg m-2" id="saveexcel">Сохранить в xls-формате</button>
@@ -59,7 +55,6 @@
 		const resultTable = document.getElementById("result");
 		const saveDocBtn = document.getElementById("savedoc");
 		const saveExcelBtn = document.getElementById("saveexcel");
-		const filename = document.getElementById("filename");
 
 		submitPurchaseBtn.addEventListener("click", () => {
 			console.log('try to add purchase')
@@ -88,32 +83,53 @@
 		})
 
 		saveDocBtn.addEventListener("click", async () => {
-			send('doc')
+			send('docx')
 		})
 
 		saveExcelBtn.addEventListener("click", async () => {
-			send('excel')
+			send('xlsx')
 		})
 
 		function send(format) {
 			console.log(`try to save in ${format} format`)
-			if (list.length == 0 || !filename.value || filename.value == '') {
+			if (list.length == 0) {
 				alert('operation failed. purchases or filename are empty')
 				return
 			}
 			$.ajax({
-					url: `/Home/ListComponents?format=${format}&filename=${filename.value}`,
+					url: `/Home/ListComponents?format=${format}`,
 					type: 'POST',
 					contentType: 'application/json',
 					data: JSON.stringify({ "Purchases" : list })
-				}).done(() => {
+				}).done((file) => {
-					//let byteArray = new Uint8Array(file);
+					let byteArray = new Uint8Array(file);
+					saveFile(byteArray, format);
 				})
 				.fail(function(xhr, textStatus, errorThrown) {
 					alert(xhr.responseText);
 				})
 		}
 
+		async function saveFile(bytes, format) {
+			if (window.showSaveFilePicker) {
+				const opts = {
+					suggestedName: `listcomponents.${format}`,
+					types: [{
+						description: `${format} file`,
+						accept: 
+						{ 
+							[`text/${format}`]: [`.${format}`]
+						},
+					}],
+				};
+				const handle = await showSaveFilePicker(opts);
+				const writable = await handle.createWritable();
+				await writable.write(bytes);
+				writable.close();
+				alert('done')
+			}
+		}
+
 		function reloadTable() {
 			resultTable.innerHTML = ''
 			let count = 0;
@@ -132,5 +148,6 @@
 			list = list.filter(value => value.id != resultTable.rows[id].cells[0].innerText)
 			reloadTable()
 		}
+
 	</script>
 }