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| 1 | +using Microsoft.CommandPalette.Extensions; |
| 2 | +using Microsoft.CommandPalette.Extensions.Toolkit; |
| 3 | +using System; |
| 4 | +using System.Collections.Generic; |
| 5 | +using System.Diagnostics; |
| 6 | +using System.Linq; |
| 7 | +using System.Net.Http; |
| 8 | +using System.Text; |
| 9 | +using System.Threading; |
| 10 | +using System.Threading.Tasks; |
| 11 | +using System.Threading.Tasks.Dataflow; |
| 12 | +using Windows.ApplicationModel; |
| 13 | + |
| 14 | +namespace NuGetPackageSearchCmdPalExtension.Pages |
| 15 | +{ |
| 16 | + internal sealed partial class SearchDotnetTemplatesPage : DynamicListPage, IDisposable |
| 17 | + { |
| 18 | + private bool _isError; |
| 19 | + private readonly CancellationTokenSource _cancellationTokenSource = new(); |
| 20 | + private readonly BufferBlock<string> _searchTextBuffer = new(); |
| 21 | + private IReadOnlyList<ListItem> _results = []; |
| 22 | + |
| 23 | + public SearchDotnetTemplatesPage() |
| 24 | + { |
| 25 | + // Retrieve the app version |
| 26 | + var version = Package.Current.Id.Version; |
| 27 | + var appVersion = $"{version.Major}.{version.Minor}.{version.Build}.{version.Revision}"; |
| 28 | + |
| 29 | + Icon = new IconInfo("\uE773"); |
| 30 | + Title = $"NuGet Package Search Extension - v{appVersion}"; |
| 31 | + Name = "Search"; |
| 32 | + |
| 33 | + // Configure the search processing pipeline |
| 34 | + Task.Run(async () => |
| 35 | + { |
| 36 | + while (await _searchTextBuffer.OutputAvailableAsync(_cancellationTokenSource.Token)) |
| 37 | + { |
| 38 | + var searchText = await _searchTextBuffer.ReceiveAsync(_cancellationTokenSource.Token); |
| 39 | + IsLoading = true; |
| 40 | + try |
| 41 | + { |
| 42 | + _results = await ProcessSearchAsync(searchText, _cancellationTokenSource.Token); |
| 43 | + _isError = false; |
| 44 | + } |
| 45 | + catch |
| 46 | + { |
| 47 | + _isError = true; |
| 48 | + _results = []; |
| 49 | + } |
| 50 | + finally |
| 51 | + { |
| 52 | + IsLoading = false; |
| 53 | + RaiseItemsChanged(_results!.Count); |
| 54 | + } |
| 55 | + } |
| 56 | + }, _cancellationTokenSource.Token); |
| 57 | + } |
| 58 | + |
| 59 | + public override IListItem[] GetItems() |
| 60 | + { |
| 61 | + return [.. _results]; |
| 62 | + } |
| 63 | + |
| 64 | + public override void UpdateSearchText(string oldSearch, string newSearch) |
| 65 | + { |
| 66 | + if (newSearch == oldSearch) return; |
| 67 | + _searchTextBuffer.Post(newSearch); |
| 68 | + } |
| 69 | + |
| 70 | + public void Dispose() |
| 71 | + { |
| 72 | + _cancellationTokenSource.Cancel(); |
| 73 | + _cancellationTokenSource.Dispose(); |
| 74 | + } |
| 75 | + |
| 76 | + public override ICommandItem? EmptyContent |
| 77 | + { |
| 78 | + get |
| 79 | + { |
| 80 | + if (_isError) |
| 81 | + { |
| 82 | + return new CommandItem |
| 83 | + { |
| 84 | + Title = "Error loading dotnet templates", |
| 85 | + Icon = new IconInfo("\uea39"), |
| 86 | + Subtitle = "An error occurred while fetching dotnet templates.", |
| 87 | + Command = new NoOpCommand() |
| 88 | + }; |
| 89 | + } |
| 90 | + |
| 91 | + return new CommandItem |
| 92 | + { |
| 93 | + Title = "Search for a dotnet template", |
| 94 | + Icon = new IconInfo("\uea39"), |
| 95 | + Subtitle = "Search for a dotnet template", |
| 96 | + Command = new NoOpCommand() |
| 97 | + }; ; |
| 98 | + } |
| 99 | + } |
| 100 | + |
| 101 | + private static async Task<IReadOnlyList<ListItem>> ProcessSearchAsync(string searchText, CancellationToken cancellationToken) |
| 102 | + { |
| 103 | + await Task.Yield(); // Simulate asynchronous behavior |
| 104 | + |
| 105 | + var url = $"https://azuresearch-usnc.nuget.org/query?take=20&packageType=Template&q={Uri.EscapeDataString(searchText)}"; |
| 106 | + using var httpClient = new HttpClient(); |
| 107 | + using var response = await httpClient.GetAsync(url, cancellationToken); |
| 108 | + response.EnsureSuccessStatusCode(); |
| 109 | + |
| 110 | + var json = await response.Content.ReadAsStringAsync(cancellationToken); |
| 111 | + |
| 112 | + using var doc = System.Text.Json.JsonDocument.Parse(json); |
| 113 | + var results = new List<ListItem>(); |
| 114 | + |
| 115 | + if (!doc.RootElement.TryGetProperty("data", out var dataElement) || |
| 116 | + dataElement.ValueKind != System.Text.Json.JsonValueKind.Array) return results; |
| 117 | + |
| 118 | + foreach (var package in dataElement.EnumerateArray()) |
| 119 | + { |
| 120 | + var id = package.GetProperty("id").GetString(); |
| 121 | + var version = package.GetProperty("version").GetString(); |
| 122 | + string? iconUrl = null; |
| 123 | + if (package.TryGetProperty("iconUrl", out var iconUrlProp) && iconUrlProp.ValueKind == System.Text.Json.JsonValueKind.String) |
| 124 | + { |
| 125 | + iconUrl = iconUrlProp.GetString(); |
| 126 | + } |
| 127 | + // Fallback to a glyph if iconUrl is missing |
| 128 | + var icon = !string.IsNullOrEmpty(iconUrl) ? new IconInfo(iconUrl) : new IconInfo("\uE7B8"); |
| 129 | + results.Add(new ListItem |
| 130 | + { |
| 131 | + Title = id!, |
| 132 | + Subtitle = version!, |
| 133 | + Icon = icon, |
| 134 | + Command = new CopyTextCommand($"dotnet new install {id}::{version}") { Name = "Copy install Command" }, |
| 135 | + MoreCommands = |
| 136 | + [ |
| 137 | + new CommandContextItem(new AnonymousCommand(() => |
| 138 | + { |
| 139 | + var startInfo = new ProcessStartInfo |
| 140 | + { |
| 141 | + FileName = "cmd.exe", |
| 142 | + Arguments = $"/k dotnet new install {id}::{version} --force ", // Use /k to keep the shell open |
| 143 | + UseShellExecute = true, |
| 144 | + CreateNoWindow = false |
| 145 | + }; |
| 146 | + |
| 147 | + using var process = new Process(); |
| 148 | + process.StartInfo = startInfo; |
| 149 | + process.Start(); |
| 150 | + process.WaitForExit(); |
| 151 | + }){Icon = new IconInfo("\uE896"), Name = "Install Template"}) |
| 152 | + ] |
| 153 | + }); |
| 154 | + } |
| 155 | + |
| 156 | + return results; |
| 157 | + } |
| 158 | + } |
| 159 | +} |
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