Files
HopFrame/src/HopFrame.Web/Services/Implementation/FileService.cs
2025-02-28 12:15:32 +01:00

31 lines
1.1 KiB
C#

using HopFrame.Web.Components.Pages;
using Microsoft.AspNetCore.Components.Forms;
using Microsoft.JSInterop;
namespace HopFrame.Web.Services.Implementation;
internal sealed class FileService(IJSRuntime runtime) : IFileService {
public async Task DownloadFile(string name, byte[] data) {
using var stream = new DotNetStreamReference(new MemoryStream(data));
await runtime.InvokeVoidAsync("downloadFileFromStream", name, stream);
}
public Task<IBrowserFile> UploadFile() {
var result = new TaskCompletionSource<IBrowserFile>();
if (HopFrameTablePage.CurrentInstance is null)
result.SetException(new InvalidOperationException("No table page visible"));
HopFrameTablePage.CurrentInstance!.OnFileUpload = files => {
result.SetResult(files.First());
HopFrameTablePage.CurrentInstance.OnFileUpload = null;
return Task.CompletedTask;
};
runtime.InvokeVoidAsync("triggerClick", HopFrameTablePage.CurrentInstance.FileInputElement!.Element);
return result.Task;
}
}