239 lines
7.0 KiB
Plaintext
239 lines
7.0 KiB
Plaintext
@using Entities.DTO
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@using TechHelper.Client.Exam
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@using TechHelper.Client.Services
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@page "/exam/check/{ExamID}"
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<MudText Typo="Typo.h4" Class="mb-4">试卷批改预览: @Assignment.Title</MudText>
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<MudDivider Class="my-4" />
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@if (_isLoading)
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{
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<MudProgressCircular Indeterminate="true" Color="Color.Primary" Class="d-flex justify-center my-8" />
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<MudText Class="text-center">正在加载试卷和学生数据...</MudText>
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}
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else if (_questionsForTable.Any() && _students.Any())
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{
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<MudTable @ref="_table" T="QuestionRowData" Items="@_questionsForTable" Hover="true" Breakpoint="Breakpoint.Sm" Striped="true" Class="mud-elevation-2" Dense="true">
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<HeaderContent>
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<MudTh Style="width:100px;">序号</MudTh>
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<MudTh Style="width:80px; text-align:center;">分值</MudTh>
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@foreach (var student in _students)
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{
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<MudTh Style="width:120px; text-align:center;">
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@student.DisplayName
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<MudTooltip Text="点击以切换此学生所有题目的对错">
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<MudIconButton Icon="@Icons.Material.Filled.Info" Size="Size.Small" Class="ml-1"
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@onclick="() => ToggleStudentAllAnswers(student.Id)" />
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</MudTooltip>
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</MudTh>
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}
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</HeaderContent>
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<RowTemplate>
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<MudTd DataLabel="序号">@context.QuestionItem.Sequence</MudTd>
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<MudTd DataLabel="分值" Style="text-align:center;">@context.QuestionItem.Score</MudTd>
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@foreach (var student in _students)
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{
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<MudTd DataLabel="@student.DisplayName" Style="text-align:center;">
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@if (context.StudentAnswers.ContainsKey(student.Id))
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{
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<MudCheckBox @bind-Value="context.StudentAnswers[student.Id]" Size="Size.Small" Color="Color.Primary"></MudCheckBox>
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}
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else
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{
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<MudText Color="Color.Warning">N/A</MudText>
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}
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</MudTd>
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}
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</RowTemplate>
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<PagerContent>
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<MudTablePager />
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</PagerContent>
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</MudTable>
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<MudPaper Class="pa-4 mt-4 mud-elevation-2 d-flex flex-column align-end">
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<MudText Typo="Typo.h6">学生总分预览:</MudText>
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@foreach (var student in _students)
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{
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<MudText Typo="Typo.subtitle1">
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@student.DisplayName: <MudText Typo="Typo.h5" Color="Color.Primary" Class="d-inline-block ml-2">@GetStudentTotalScore(student.Id)</MudText>
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</MudText>
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}
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<MudButton Variant="Variant.Filled" Color="Color.Success" Class="mt-4" @onclick="SubmitGrading">
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提交批改结果 (模拟)
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</MudButton>
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</MudPaper>
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}
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else
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{
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<MudAlert Severity="Severity.Info" Class="mt-4">无法加载试卷或题目信息。</MudAlert>
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<MudButton Variant="Variant.Text" Color="Color.Primary" Class="mt-4">返回试卷列表</MudButton>
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}
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@code {
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[Parameter]
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public string ExamId { get; set; }
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[Inject]
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public IExamService ExamService { get; set; }
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[Inject]
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private ISnackbar Snackbar { get; set; }
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[Inject]
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private NavigationManager Navigation { get; set; }
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private MudTable<QuestionRowData> _table = new();
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private AssignmentDto Assignment { get; set; } = new AssignmentDto();
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private AssignmentCheckData _examStruct = new AssignmentCheckData();
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private List<StudentDto> _students = new List<StudentDto>();
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private List<QuestionRowData> _questionsForTable = new List<QuestionRowData>();
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private bool _isLoading = true;
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[Inject]
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public IClassServices ClassServices { get; set; }
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protected override async Task OnInitializedAsync()
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{
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_isLoading = true;
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await LoadExamData();
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var result = await ClassServices.GetClassStudents();
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if (!result.Status) Snackbar.Add($"获取学生失败, {result.Message}", Severity.Error);
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_students = result.Result as List<StudentDto> ?? new List<StudentDto>();
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BuildTable();
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_isLoading = false;
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}
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private void BuildTable()
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{
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_questionsForTable = _examStruct.Questions.Select(q =>
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{
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var rowData = new QuestionRowData
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{
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QuestionItem = q,
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StudentAnswers = new Dictionary<Guid, bool>()
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};
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foreach (var student in _students)
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{
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rowData.StudentAnswers[student.Id] = false;
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}
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return rowData;
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}).ToList();
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}
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private async Task LoadExamData()
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{
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if (Guid.TryParse(ExamId, out Guid parsedExamId))
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{
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try
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{
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var result = await ExamService.GetExam(parsedExamId);
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if (result.Status)
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{
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Assignment = result.Result as AssignmentDto ?? new AssignmentDto();
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_examStruct = Assignment.GetStruct();
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}
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else
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{
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Snackbar?.Add($"获取试卷失败: {result.Message}", Severity.Error);
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Navigation.NavigateTo("/exam/manager");
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}
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}
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catch (Exception ex)
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{
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Console.Error.WriteLine($"获取试卷时发生错误: {ex.Message}");
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Snackbar?.Add($"获取试卷失败: {ex.Message}", Severity.Error);
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Navigation.NavigateTo("/exam/manager");
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}
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}
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else
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{
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Console.Error.WriteLine($"错误：路由参数 ExamId '{ExamId}' 不是一个有效的 GUID 格式。");
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Snackbar?.Add("无效的试卷ID，无法加载。", Severity.Error);
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Navigation.NavigateTo("/exam/manager");
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}
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}
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private float GetStudentTotalScore(Guid studentId)
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{
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float totalScore = 0;
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foreach (var row in _questionsForTable)
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{
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if (row.StudentAnswers.TryGetValue(studentId, out bool isCorrect) && isCorrect)
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{
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totalScore += row.QuestionItem.Score;
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}
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}
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return totalScore;
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}
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private void ToggleStudentAllAnswers(Guid studentId)
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{
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bool allCorrect = _questionsForTable.All(row => row.StudentAnswers.ContainsKey(studentId) && row.StudentAnswers[studentId]);
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foreach (var row in _questionsForTable)
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{
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if (row.StudentAnswers.ContainsKey(studentId))
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{
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row.StudentAnswers[studentId] = !allCorrect;
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}
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}
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StateHasChanged();
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}
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private void SubmitGrading()
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{
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List<SubmissionDto> submissionDto = new List<SubmissionDto>();
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foreach (var student in _students)
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{
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var newSubmission = new SubmissionDto();
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newSubmission.StudentId = student.Id;
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newSubmission.AssignmentId = Assignment.Id;
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newSubmission.SubmissionTime = DateTime.Now;
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newSubmission.Status = Entities.Contracts.SubmissionStatus.Graded;
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foreach (var row in _questionsForTable)
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{
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if (row.QuestionItem.AssignmentQuestionDto.StructType == Entities.Contracts.AssignmentStructType.Struct) continue;
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if (row.StudentAnswers.TryGetValue(student.Id, out bool isCorrect))
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{
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newSubmission.SubmissionDetails.Add(new SubmissionDetailDto
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{
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IsCorrect = isCorrect,
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StudentId = student.Id,
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AssignmentQuestionId = row.QuestionItem.AssignmentQuestionDto.Id,
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PointsAwarded = isCorrect ? row.QuestionItem.AssignmentQuestionDto.Score : 0
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});
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newSubmission.OverallGrade += isCorrect ? row.QuestionItem.AssignmentQuestionDto.Score : 0;
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}
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}
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submissionDto.Add(newSubmission);
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}
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submissionDto.ForEach(async s =>
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{
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Snackbar?.Add($"正在提交: {_students.FirstOrDefault(std => std.Id == s.StudentId)?.DisplayName} 的试卷", Severity.Info);
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var submidResult = await ExamService.SubmissionAssignment(s);
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if (submidResult.Status)
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Snackbar?.Add($"批改结果已提交 {_students.FirstOrDefault(st => st.Id == s.StudentId)?.DisplayName}", Severity.Success);
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else
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Snackbar?.Add("批改结果提交失败", Severity.Error);
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});
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}
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} |