protected async Task SSEMethod(string ids, int taskId, string studentId) { int[] solIds = JsonConvert.DeserializeObject <int[]>(ids); var response = Response; response.Headers.Add("Content-Type", "text/event-stream"); response.Headers.Add("Cache-Control", "no-cache"); response.Headers.Add("Connection", "keep-alive"); var curState = new Dictionary <int, ResultCode>(); foreach (var id in solIds) { var s = _db.Solutions.Find(id); if (s != null) { curState[id] = s.ResultCode; } } while (true) { bool update = false; foreach (var id in solIds) { var s = _db.Solutions.Find(id); _db.Entry(s).Reload(); if (s != null && s.ResultCode != ResultCode.NT && curState[id] == ResultCode.NT) { curState[id] = s.ResultCode; update = true; break; } } if (update) { solIds = solIds.Where(i => curState[i] == ResultCode.NT).ToArray(); var res = GetStudentTaskView(taskId, studentId); JsonSerializerSettings serializerSettings = new JsonSerializerSettings { ContractResolver = new CamelCasePropertyNamesContractResolver(), DateTimeZoneHandling = DateTimeZoneHandling.RoundtripKind }; var data = JsonConvert.SerializeObject(res, serializerSettings); await response .WriteAsync("data:" + data + "\n\n"); } await Task.Delay(5 * 1000); } }
public async Task CheckSolutions(PlagiarismCheckRequest checkRequest) { try { int taskId = checkRequest.TaskId; var task = _db.StudentTasks.Find(taskId); while (DateTime.Now < task.To) { await Task.Delay(5 * 60 * 1000); _db.Entry(task).Reload(); } var check = _db.PlagiarismChecks.Find(taskId); if (check.Settings.MakeCheck) { var sourceFileList = new List <string>(); var studentSolutions = _db.StudentResults.Where(r => r.TaskId == taskId).Select(r => r.Solution).ToList(); var taskDir = new DirectoryInfo("C:\\tasks\\" + taskId.ToString()); if (taskDir.Exists) { taskDir.Delete(true); } taskDir.Create(); var saveDir = new DirectoryInfo("C:\\saving"); if (!saveDir.Exists) { saveDir.Create(); } foreach (var sol in studentSolutions) { var curSaveDir = new DirectoryInfo(saveDir.FullName + "\\" + sol.Id.ToString()); if (curSaveDir.Exists) { curSaveDir.Delete(true); } curSaveDir.Create(); string fullPath = curSaveDir.FullName + "\\" + sol.File.Name; File.WriteAllBytes(fullPath, sol.File.Content); ZipFile.ExtractToDirectory(fullPath, curSaveDir.FullName, true); var curSolDir = new DirectoryInfo(taskDir.FullName + "\\" + sol.Id.ToString()); if (curSolDir.Exists) { curSolDir.Delete(true); } curSolDir.Create(); var solFiles = curSaveDir.GetFiles("*.cs", SearchOption.AllDirectories).Where(p => !p.FullName.Contains("\\obj\\")).ToList(); foreach (var file in solFiles) { file.CopyTo(curSolDir.FullName + "//" + file.Name); } curSaveDir.Delete(true); } var request = new MossRequest { UserId = _config.MossId, IsDirectoryMode = true, IsBetaRequest = false, Language = check.Settings.Language, MaxMatches = check.Settings.MaxMatches }; //request.BaseFile.AddRange(this.BaseFileList); foreach (var solDir in taskDir.GetDirectories()) { var curSolFiles = solDir.GetFiles("*.cs", SearchOption.AllDirectories).Select(f => f.FullName).Where(p => !p.Contains("\\obj\\")).ToList(); sourceFileList.AddRange(curSolFiles); } request.Files.AddRange(sourceFileList); bool res = request.SendRequest(out string response); check.Link = response; if (res) { string html = new WebClient().DownloadString(response); var config = Configuration.Default; var context = BrowsingContext.New(config); var document = context.OpenAsync(req => req.Content(html)).Result; var allLines = document.All.Where(m => m.LocalName == "tr" && !m.Children.Any(c => c.LocalName == "th")); foreach (var line in allLines) { var file1 = ParseUserAndPercent(line.Children[0]); var file2 = ParseUserAndPercent(line.Children[1]); var lMatched = int.Parse(line.Children[2].InnerHtml); var solId1 = file1.Item1; var percent1 = file1.Item2; var solId2 = file2.Item1; var percent2 = file2.Item2; if (percent1 > check.Settings.MinPercent || percent2 > check.Settings.MinPercent) { var sol1 = _db.Solutions.Find(solId1); var sol2 = _db.Solutions.Find(solId2); var newResult = new PlagiarismResult { SolutionId1 = sol1.Id, SolutionId2 = sol2.Id, Percent1 = percent1, Percent2 = percent2, LinesMatched = lMatched, TaskId = taskId, }; _db.PlagiarismResults.Add(newResult); sol1.PlagiarismDetected = true; sol2.PlagiarismDetected = true; } } } _db.SaveChanges(); } } catch { return; } }