Export playlist

@inherits FnzComponentBase @code { private FnzBootstrapModal mdl; private Guid PlaylistId { get; set; } private string ExportName { get; set; } = "brrr"; private bool ExportDomainCheck { get; set; } = true; private string ExportDomain { get; set; } = "brrr"; private bool ExportDateCheck { get; set; } = true; private string ExportDate { get; set; } = "brrr"; private string ExportExtension { get; set; } = "brrr"; private int ExportCodePage { get; set; } = 0; private string ExportMime { get; set; } = "brrrr"; private string _exportDataUri = null; private string _exportFileName = null; } @code{ protected override void OnInitialized() { base.OnInitialized(); } } Export playlist

File Name

-Host

-Date

Text Encoding @foreach (var en in Encoding.GetEncodings() .OrderBy(p => p.Name != "utf-8") .ThenBy(p => p.Name != "gb2312") .ThenBy(p => p.Name != "shift_jis") .ThenBy(p => p.Name)) { }

Extension

Mime

@code { public void Show(Guid playlistId) { var playlist = PlaylistHelper.PlayListLoadSave[playlistId]; var uri = new Uri(NavigationManager.Uri); ExportName = $"{playlist}"; ExportDomain = uri.Host; ExportDate = $"{DateTime.Now:yyMMdd}"; ExportCodePage = 65001; ExportExtension = "m3u8"; ExportMime = "application/mpegurl"; PlaylistId = playlistId; _exportDataUri = null; StateHasChanged(); mdl.Show(); } private void EncodingChanged(int value) { ExportCodePage = value; ExportExtension = ExportCodePage == 65001 ? "m3u8" : "m3u"; StateHasChanged(); } public void DoExport() { var fileName = GenerateExportFileName(); var content = GenerateM3U( ); JSRuntime.InvokeVoidAsync("fnz.downloadFile", fileName, ExportMime, content); mdl.Hide(); } private void DoExportAsDataUri() { var outBuf = GenerateM3U( ); _exportFileName = GenerateExportFileName(); _exportDataUri = $"data:{ExportMime};base64," + Convert.ToBase64String(outBuf, Base64FormattingOptions.None); } private string GenerateExportFileName() { var sbFn = new StringBuilder(ExportName); if (ExportDomainCheck) sbFn.Append($"-{ExportDomain}"); if (ExportDateCheck) sbFn.Append($"-{ExportDate}"); sbFn.Append($".{ExportExtension}"); return sbFn.ToString(); } private byte[] GenerateM3U( ) { var encoding = Encoding.GetEncoding(ExportCodePage); // generate m3u content var sbM3 = new StringBuilder(); sbM3.WriteM3U8Header(encoding); foreach (var item in PlaylistHelper[PlaylistId]) { var track = DataSet.AllTracks.FirstOrDefault(p => p.Path == item); if (track == null) continue; sbM3.AppendLine($"#EXTINF:{track.Tag?.Duration ?? 0} logo=\"{track.Disc.CoverPath.UrlEscape()}\",{track.Tag?.Artist} - {track.Tag?.Title ?? track.Name}"); sbM3.AppendLine(track.Path.UrlEscape()); } var outBuf = encoding.GetBytes(sbM3.ToString()); return outBuf; } }