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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,72 @@ | ||
| using Newtonsoft.Json; | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.IO; | ||
| using System.Linq; | ||
| using System.Net.Http; | ||
| using System.Net.Http.Headers; | ||
| using System.Reflection; | ||
| using System.Threading.Tasks; | ||
|
|
||
| namespace KFlearning.Core.API | ||
| { | ||
| public interface IFlutterGitClient | ||
| { | ||
| string GetFlutterDownloadUri(string version); | ||
| Task<string> GetLatestFlutterVersion(); | ||
| } | ||
|
|
||
| public class FlutterGitClient : IFlutterGitClient | ||
| { | ||
| private static HttpClient Client; | ||
|
|
||
| static FlutterGitClient() | ||
| { | ||
| var version = Assembly.GetCallingAssembly().GetName().Version; | ||
|
|
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| Client = new HttpClient(); | ||
| Client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/vnd.github.v3+json")); | ||
| Client.DefaultRequestHeaders.UserAgent.Add(new ProductInfoHeaderValue("KFlearning", $"{version.Major}.{version.Minor}.{version.Build}")); | ||
| } | ||
|
|
||
| public async Task<string> GetLatestFlutterVersion() | ||
| { | ||
| var response = await Client.GetAsync("https://api.github.com/repos/flutter/flutter/git/refs/tags"); | ||
| var serializer = new JsonSerializer(); | ||
| using (var bodyReader = new StreamReader(await response.Content.ReadAsStreamAsync())) | ||
| using (var jsonReader = new JsonTextReader(bodyReader)) | ||
| { | ||
| var tags = serializer.Deserialize<List<FlutterGitTag>>(jsonReader); | ||
| var latest = tags.Where(x => !x.Ref.Contains("pre")).LastOrDefault(); | ||
| if (latest == null) | ||
| { | ||
| throw new KFlearningException("Tidak dapat menemukan versi Flutter! Silakan download manual."); | ||
| } | ||
|
|
||
| return GetVersionFromTag(latest.Ref); | ||
| } | ||
| } | ||
|
|
||
| public string GetFlutterDownloadUri(string version) | ||
| { | ||
| return $"https://storage.googleapis.com/flutter_infra/releases/stable/windows/flutter_windows_{version}-stable.zip"; | ||
| } | ||
|
|
||
| private string GetVersionFromTag(string tag) | ||
| { | ||
| return tag.Split('/').Last(); | ||
| } | ||
|
|
||
| public partial class FlutterGitTag | ||
| { | ||
| [JsonProperty("ref")] | ||
| public string Ref { get; set; } | ||
|
|
||
| [JsonProperty("node_id")] | ||
| public string NodeId { get; set; } | ||
|
|
||
| [JsonProperty("url")] | ||
| public Uri Url { get; set; } | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,247 @@ | ||
| using System; | ||
| using System.Diagnostics; | ||
| using System.IO; | ||
| using System.Linq; | ||
| using System.Net; | ||
| using System.Threading; | ||
| using System.Threading.Tasks; | ||
| using Ionic.Zip; | ||
| using KFlearning.Core.API; | ||
| using KFlearning.Core.Extensions; | ||
| using KFlearning.Core.Services; | ||
|
|
||
| namespace KFlearning.Services | ||
| { | ||
| public interface IFlutterInstallService | ||
| { | ||
| string FlutterVersion { get; } | ||
| string InstallPath { get; set; } | ||
|
|
||
| event EventHandler<FlutterInstallReadyEventArgs> InstallReady; | ||
| event EventHandler<FlutterInstallProgressEventArgs> ProgressChanged; | ||
| event EventHandler<FlutterInstallFinishedEventArgs> InstallFinished; | ||
|
|
||
| void Cancel(); | ||
| void Install(); | ||
| void PreparationStep(); | ||
| } | ||
|
|
||
| public class FlutterInstallService : IFlutterInstallService | ||
| { | ||
| private readonly WebClient _webClient; | ||
| private readonly IFlutterGitClient _flutterService; | ||
|
|
||
| private CancellationTokenSource _cancellationSource; | ||
| private string _downloadPath = ""; | ||
|
|
||
| public event EventHandler<FlutterInstallReadyEventArgs> InstallReady; | ||
| public event EventHandler<FlutterInstallProgressEventArgs> ProgressChanged; | ||
| public event EventHandler<FlutterInstallFinishedEventArgs> InstallFinished; | ||
|
|
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| public string FlutterVersion { get; private set; } | ||
| public string InstallPath { get; set; } | ||
|
|
||
| public FlutterInstallService(IFlutterGitClient flutterService, WebClient webClient, IPathManager pathManager) | ||
| { | ||
| InstallPath = pathManager.GetPath(PathKind.FlutterInstallDirectory); | ||
|
|
||
| _flutterService = flutterService; | ||
| _webClient = webClient; | ||
| _webClient.DownloadProgressChanged += WebClient_DownloadProgressChanged; | ||
| } | ||
|
|
||
| #region Public Methods | ||
|
|
||
| public void Install() | ||
| { | ||
| _cancellationSource = new CancellationTokenSource(); | ||
| ExecuteSteps(); | ||
| } | ||
|
|
||
| public void Cancel() | ||
| { | ||
| _webClient.CancelAsync(); | ||
| _cancellationSource.Cancel(); | ||
| } | ||
|
|
||
| public void PreparationStep() | ||
| { | ||
| Task.Run(async () => | ||
| { | ||
| try | ||
| { | ||
| FlutterVersion = await _flutterService.GetLatestFlutterVersion(); | ||
| OnInstallReady(this, new FlutterInstallReadyEventArgs | ||
| { | ||
| Ready = true | ||
| }); | ||
| } | ||
| catch (Exception ex) | ||
| { | ||
| OnInstallReady(this, new FlutterInstallReadyEventArgs | ||
| { | ||
| Ready = false, | ||
| ErrorMessage = ex.Message | ||
| }); | ||
| } | ||
| }); | ||
| } | ||
|
|
||
| #endregion | ||
|
|
||
| #region Install Steps | ||
|
|
||
| private void ExecuteSteps() | ||
| { | ||
| Task.Run(async () => | ||
| { | ||
| try | ||
| { | ||
| // step 1 --- download Flutter SDK | ||
| OnProgressChanged(this, new FlutterInstallProgressEventArgs | ||
| { | ||
| ProgressPercentage = 0, | ||
| Status = "Memulai unduhan..." | ||
| }); | ||
|
|
||
| _downloadPath = Path.GetTempFileName(); | ||
| var uri = _flutterService.GetFlutterDownloadUri(FlutterVersion); | ||
|
|
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| await _webClient.DownloadFileTaskAsync(new Uri(uri), _downloadPath); | ||
|
|
||
| // step 2 --- extract to installfolder | ||
| OnProgressChanged(this, new FlutterInstallProgressEventArgs | ||
| { | ||
| ProgressPercentage = 0, | ||
| Status = "Memulai ekstraksi..." | ||
| }); | ||
|
|
||
| if (IsProcessCancelled()) return; | ||
| using (var zip = new ZipFile(_downloadPath)) | ||
| { | ||
| var totalEntries = zip.Entries.Count; | ||
| var processedEntry = 0; | ||
| foreach (var entry in zip) // non-parallelism, the lib doesn't support parallel | ||
| { | ||
| if (IsProcessCancelled()) return; | ||
|
|
||
| var path = Path.GetFullPath(Path.Combine(InstallPath, "../" + entry.FileName)); | ||
| if (entry.IsDirectory) | ||
| { | ||
| Directory.CreateDirectory(path); | ||
| } | ||
| else | ||
| { | ||
| using (var fs = new FileStream(path, FileMode.Create)) | ||
| { | ||
| entry.Extract(fs); | ||
| } | ||
| } | ||
|
|
||
| Interlocked.Increment(ref processedEntry); | ||
| OnProgressChanged(this, new FlutterInstallProgressEventArgs | ||
| { | ||
| ProgressPercentage = (int)((double)processedEntry / totalEntries * 100), | ||
| Status = "Memindahkan direktori..." | ||
| }); | ||
| } | ||
| } | ||
|
|
||
| // step 3 --- set environment variable | ||
| OnProgressChanged(this, new FlutterInstallProgressEventArgs | ||
| { | ||
| ProgressPercentage = 70, | ||
| Status = "Mengatur environment variable..." | ||
| }); | ||
|
|
||
| if (IsProcessCancelled()) return; | ||
| var pathEnv = Environment.GetEnvironmentVariable("PATH", EnvironmentVariableTarget.User); | ||
| if (pathEnv?.Contains(@"flutter\bin") == false) | ||
| { | ||
| pathEnv += ";" + Path.Combine(InstallPath, @"bin"); | ||
| Environment.SetEnvironmentVariable("PATH", pathEnv, EnvironmentVariableTarget.User); | ||
| } | ||
|
|
||
| // --- all done! | ||
| OnInstallFinished(this, new FlutterInstallFinishedEventArgs | ||
| { | ||
| ErrorMessage = "Instalasi selesai.", | ||
| Success = true | ||
| }); | ||
| } | ||
| catch (Exception e) | ||
| { | ||
| OnInstallFinished(this, new FlutterInstallFinishedEventArgs | ||
| { | ||
| ErrorMessage = e.Message, | ||
| Success = false | ||
| }); | ||
| } | ||
| }); | ||
| } | ||
|
|
||
| private bool IsProcessCancelled() | ||
| { | ||
| if (!_cancellationSource.IsCancellationRequested) return false; | ||
| OnInstallFinished(this, new FlutterInstallFinishedEventArgs | ||
| { | ||
| ErrorMessage = "Instalasi dibatalkan.", | ||
| Success = false | ||
| }); | ||
|
|
||
| return true; | ||
| } | ||
|
|
||
| #endregion | ||
|
|
||
| #region Event Handlers | ||
|
|
||
| private void WebClient_DownloadProgressChanged(object sender, DownloadProgressChangedEventArgs e) | ||
| { | ||
| OnProgressChanged(this, new FlutterInstallProgressEventArgs | ||
| { | ||
| ProgressPercentage = e.ProgressPercentage, | ||
| Status = "Mengunduh..." | ||
| }); | ||
| } | ||
|
|
||
| #endregion | ||
|
|
||
| #region Event Invocators | ||
|
|
||
| private void OnInstallReady(object sender, FlutterInstallReadyEventArgs e) | ||
| { | ||
| InstallReady?.Invoke(sender, e); | ||
| } | ||
|
|
||
| private void OnProgressChanged(object sender, FlutterInstallProgressEventArgs e) | ||
| { | ||
| ProgressChanged?.Invoke(sender, e); | ||
| } | ||
|
|
||
| private void OnInstallFinished(object sender, FlutterInstallFinishedEventArgs e) | ||
| { | ||
| InstallFinished?.Invoke(sender, e); | ||
| } | ||
|
|
||
| #endregion | ||
| } | ||
|
|
||
| public class FlutterInstallReadyEventArgs : EventArgs | ||
| { | ||
| public bool Ready { get; set; } | ||
| public string ErrorMessage { get; set; } | ||
| } | ||
|
|
||
| public class FlutterInstallProgressEventArgs : EventArgs | ||
| { | ||
| public int ProgressPercentage { get; set; } | ||
| public string Status { get; set; } | ||
| } | ||
|
|
||
| public class FlutterInstallFinishedEventArgs : EventArgs | ||
| { | ||
| public bool Success { get; set; } | ||
| public string ErrorMessage { get; set; } | ||
| } | ||
| } |
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