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FixAuth

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This commit is contained in:
SpecialX
2025-06-25 17:21:29 +08:00
parent f9ff57ff72
commit 262e7d6396
21 changed files with 1491 additions and 152 deletions
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2
Entities/Contracts/ClassTeacher.cs
View File

@@ -14,11 +14,13 @@ namespace Entities.Contracts
[Key]
[Column("class_id")]
public Guid ClassId { get; set; }
[ForeignKey(nameof(ClassId))]
public Class Class { get; set; }
[Key]
[Column("teacher_id")]
public Guid TeacherId { get; set; }
[ForeignKey(nameof(TeacherId))]
public User Teacher { get; set; }
[Column("subject_taught")]

2
Entities/Contracts/User.cs
View File

@@ -21,7 +21,9 @@ namespace Entities.Contracts
[Column("deleted")]
public bool IsDeleted { get; set; }
[InverseProperty(nameof(ClassTeacher.Teacher))]
public ICollection<ClassTeacher> TaughtClassesLink { get; set; }
[InverseProperty(nameof(ClassStudent.Student))]
public ICollection<ClassStudent> EnrolledClassesLink { get; set; }
public ICollection<Question> CreatedQuestions { get; set; }

6
TechHelper.Client/Exam/ExamStruct.cs
View File

@@ -24,9 +24,9 @@ namespace TechHelper.Client.Exam
public class QuestionAnswerStatus
{
public string QuestionSequence { get; set; } = string.Empty; // 题目序号，例如 "1.1"
public string QuestionText { get; set; } = string.Empty; // 题目文本
public float QuestionScore { get; set; } // 题目分值
public string QuestionSequence { get; set; } = string.Empty; // 题目序号，例如 "1.1"
public string QuestionText { get; set; } = string.Empty; // 题目文本
public float QuestionScore { get; set; } // 题目分值
public Dictionary<Guid, bool> StudentCorrectStatus { get; set; } = new Dictionary<Guid, bool>();
// Key: Student.Id, Value: true 表示正确，false 表示错误
}

36
TechHelper.Client/Exam/QuestionSimple.cs
View File

@@ -1,36 +0,0 @@
using System.Xml.Serialization;
namespace TechHelper.Client.Exam.QuestionSimple
{
[XmlRoot("QG")]
public class QuestionGroup
{
[XmlElement("T")]
public string Title { get; set; }
[XmlElement("QR")]
public string QuestionReference { get; set; } = "";
[XmlArray("SQs")]
[XmlArrayItem("SQ")]
public List<SubQuestion> SubQuestions { get; set; } = new List<SubQuestion>();
[XmlArray("SQGs")]
[XmlArrayItem("QG")]
public List<QuestionGroup> SubQuestionGroups { get; set; } = new List<QuestionGroup>();
}
public class SubQuestion
{
[XmlElement("T")]
public string Stem { get; set; }
[XmlArray("Os")]
[XmlArrayItem("O")]
public List<Option> Options { get; set; } = new List<Option>();
[XmlElement("SA")]
public string SampleAnswer { get; set; } = "";
}
public class Option
{
[XmlAttribute("V")]
public string Value { get; set; }
}
}

38
TechHelper.Client/HttpInterceptor/HttpInterceptorHandlerService.cs
View File

@@ -1,19 +1,19 @@
using Microsoft.AspNetCore.Components;
using Microsoft.AspNetCore.Components;
using System.Net;
using System.Net.Http.Headers;
using TechHelper.Client.HttpRepository;
using System.Net.Http.Headers;
using TechHelper.Client.HttpRepository;
namespace BlazorProducts.Client.HttpInterceptor
{
public class HttpInterceptorHandlerService : DelegatingHandler
{
private readonly NavigationManager _navManager;
private readonly RefreshTokenService2 _refreshTokenService;
private readonly NavigationManager _navManager;
private readonly IRefreshTokenService _refreshTokenService;
public HttpInterceptorHandlerService(
NavigationManager navManager,
RefreshTokenService2 refreshTokenService)
IRefreshTokenService refreshTokenService)
{
_navManager = navManager;
_refreshTokenService = refreshTokenService;
@@ -25,15 +25,14 @@ namespace BlazorProducts.Client.HttpInterceptor
if (absolutePath != null && !absolutePath.Contains("token") && !absolutePath.Contains("account"))
{
var token = await _refreshTokenService.TryRefreshToken();
var token = await _refreshTokenService.TryRefreshToken();
if (!string.IsNullOrEmpty(token))
{
request.Headers.Authorization = new AuthenticationHeaderValue("bearer", token);
}
}
var response = await base.SendAsync(request, cancellationToken);
await HandleResponse(response);
@@ -45,17 +44,17 @@ namespace BlazorProducts.Client.HttpInterceptor
{
if (response is null)
{
_navManager.NavigateTo("/error");
throw new HttpResponseException("服务器不可用。");
throw new HttpResponseException("服务器不可用。");
}
if (!response.IsSuccessStatusCode)
{
var errorContent = await response.Content.ReadAsStringAsync();
Console.WriteLine($"HTTP 错误: {response.StatusCode}. 详情: {errorContent}");
Console.WriteLine($"HTTP 错误: {response.StatusCode}. 详情: {errorContent}");
switch (response.StatusCode)
{
@@ -67,8 +66,15 @@ namespace BlazorProducts.Client.HttpInterceptor
// 400 Bad Request error. Often, you don't navigate for this; you display validation errors on the UI.
break;
case HttpStatusCode.Unauthorized:
// 401 Unauthorized error. Navigate to an unauthorized page or login page.
_navManager.NavigateTo("/unauthorized"); // Or: _navManager.NavigateTo("/authentication/login");
var token = await _refreshTokenService.TryRefreshToken();
if (!string.IsNullOrEmpty(token))
{
_navManager.NavigateTo(_navManager.Uri, forceLoad: true);
}
else
{
_navManager.NavigateTo("/unauthorized");
}
break;
default:
// For all other errors, navigate to a general error page.

11
TechHelper.Client/HttpRepository/AuthenticationClientService.cs
View File

@@ -20,13 +20,12 @@ namespace TechHelper.Client.HttpRepository
private readonly ILocalStorageService _localStorageService;
private readonly NavigationManager _navigationManager;
// 构造函数现在直接接收 HttpClient
public AuthenticationClientService(HttpClient client, // <-- 修正点：直接注入 HttpClient
public AuthenticationClientService(HttpClient client,
AuthenticationStateProvider authenticationStateProvider,
ILocalStorageService localStorageService,
NavigationManager navigationManager)
{
_client = client; // <-- 修正点：直接赋值
_client = client;
_localStorageService = localStorageService;
_stateProvider = authenticationStateProvider;
_navigationManager = navigationManager;
@@ -34,8 +33,6 @@ namespace TechHelper.Client.HttpRepository
public async Task<AuthResponseDto> LoginAsync(UserForAuthenticationDto userForAuthenticationDto)
{
// 移除 using (_client = _clientFactory.CreateClient("Default"))
// _client 已经是注入的实例，直接使用它
var reponse = await _client.PostAsJsonAsync("account/login",
userForAuthenticationDto);
@@ -71,7 +68,6 @@ namespace TechHelper.Client.HttpRepository
public async Task<string> RefreshTokenAsync()
{
// 移除 using (_client = _clientFactory.CreateClient("Default"))
var token = _localStorageService.GetItem<string>("authToken");
var refreshToken = _localStorageService.GetItem<string>("refreshToken");
@@ -167,6 +163,9 @@ namespace TechHelper.Client.HttpRepository
((AuthStateProvider)_stateProvider).NotifyUserAuthentication(
result.Token);
_client.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue(
"bearer", result.Token);

11
TechHelper.Client/HttpRepository/RefreshTokenService.cs
View File

@@ -24,16 +24,15 @@ namespace TechHelper.Client.HttpRepository
var authState = await _authenticationStateProvider.Value.GetAuthenticationStateAsync();
var user = authState.User;
// 如果 user 或 claims 为空，表示用户未认证，直接返回空字符串
if (user?.Identity == null || !user.Identity.IsAuthenticated)
{
return string.Empty;
}
var expClaim = user.FindFirst(c => c.Type.Equals("exp"))?.Value; // 使用 ?. 防止空引用
var expClaim = user.FindFirst(c => c.Type.Equals("exp"))?.Value;
if (string.IsNullOrEmpty(expClaim))
{
return string.Empty; // 没有过期时间声明，也直接返回
return string.Empty;
}
var expTime = DateTimeOffset.FromUnixTimeSeconds(
@@ -41,9 +40,11 @@ namespace TechHelper.Client.HttpRepository
var diff = expTime - DateTime.UtcNow;
// 只有当令牌即将过期时才尝试刷新
var n = DateTime.UtcNow;
if (diff.TotalMinutes <= 2)
return await _authenticationClientService.Value.RefreshTokenAsync(); // 访问 .Value 来调用方法
return await _authenticationClientService.Value.RefreshTokenAsync();
return string.Empty;
}

46
TechHelper.Client/HttpRepository/RefreshTokenService2.cs
View File

@@ -1,46 +0,0 @@
using Microsoft.AspNetCore.Components.Authorization;
namespace TechHelper.Client.HttpRepository
{
public class RefreshTokenService2
{
private readonly Lazy<AuthenticationStateProvider> _authenticationStateProvider;
private readonly Lazy<IAuthenticationClientService> _authenticationClientService;
public RefreshTokenService2(IServiceProvider serviceProvider)
{
_authenticationStateProvider = new Lazy<AuthenticationStateProvider>(
() => serviceProvider.GetRequiredService<AuthenticationStateProvider>());
_authenticationClientService = new Lazy<IAuthenticationClientService>(
() => serviceProvider.GetRequiredService<IAuthenticationClientService>());
}
public async Task<string> TryRefreshToken()
{
var authState = await _authenticationStateProvider.Value.GetAuthenticationStateAsync();
var user = authState.User;
if (user?.Identity == null || !user.Identity.IsAuthenticated)
{
return string.Empty;
}
var expClaim = user.FindFirst(c => c.Type.Equals("exp"))?.Value;
if (string.IsNullOrEmpty(expClaim))
{
return string.Empty;
}
var expTime = DateTimeOffset.FromUnixTimeSeconds(
Convert.ToInt64(expClaim));
var diff = expTime - DateTime.UtcNow;
if (diff.TotalMinutes <= 2)
return await _authenticationClientService.Value.RefreshTokenAsync();
return string.Empty;
}
}
}

10
TechHelper.Client/Pages/Exam/AssignmentDetailView.razor Normal file
View File

@@ -0,0 +1,10 @@
<MudText> QuestionNum </MudText>
<MudText> QuestionTypeDis </MudText>
<MudText> ErrorQuestionTypeDis </MudText>
<MudText> ErrorLessonDis </MudText>
<MudText> ErrorIndexDis </MudText>
<MudText> ErrorNum </MudText>
@code {
}

9
TechHelper.Client/Pages/Exam/QuestionDetailView.razor Normal file
View File

@@ -0,0 +1,9 @@
<MudText> Title </MudText>
<MudText> Error Person Num </MudText>
<MudText> List Error Person </MudText>
<MudText> Lesson </MudText>
<MudText> Keypoint </MudText>
<MudText> Answer </MudText>
@code {
}

1
TechHelper.Client/Pages/Manage/Class.razor.cs
View File

@@ -4,6 +4,7 @@ using Microsoft.AspNetCore.Components.Authorization;
using MudBlazor;
using System.Collections.Frozen;
using System.ComponentModel.DataAnnotations;
using System.Security.Claims;
using TechHelper.Client.HttpRepository;
using TechHelper.Client.Services;

1
TechHelper.Client/Program.cs
View File

@@ -44,7 +44,6 @@ builder.Services.AddScoped<IRefreshTokenService, RefreshTokenService>();
builder.Services.AddScoped<IClassServices, ClasssServices>();
builder.Services.AddScoped<IEmailSender, QEmailSender>();
builder.Services.AddScoped<HttpInterceptorHandlerService>();
builder.Services.AddScoped<RefreshTokenService2>();
builder.Services.AddScoped<IAIService, AiService>();
builder.Services.AddHttpClient("WebApiClient", client =>
{

9
TechHelper.Client/Services/ClasssServices.cs
View File

@@ -1,15 +1,18 @@
using Entities.DTO;
using System.Net.Http.Json;
using System.Net.Http.Json;
using TechHelper.Client.HttpRepository;
namespace TechHelper.Client.Services
{
public class ClasssServices : IClassServices
{
private readonly HttpClient _client;
private readonly IAuthenticationClientService _authenticationClientService;
public ClasssServices(HttpClient client)
public ClasssServices(HttpClient client, IAuthenticationClientService authenticationClientService)
{
_client = client;
_authenticationClientService = authenticationClientService;
}
public Task<ResponseDto> CreateClass(UserRegistrationToClassDto userClass)
@@ -25,6 +28,8 @@ namespace TechHelper.Client.Services
userRegistrationToClassDto);
var data = await result.Content.ReadAsStringAsync();
await _authenticationClientService.RefreshTokenAsync();
return new ResponseDto
{
IsSuccessfulRegistration = result.IsSuccessStatusCode,

8
TechHelper.Client/Services/ExamService.cs
View File

@@ -9,13 +9,13 @@ namespace TechHelper.Client.Services
{
public class ExamService : IExamService
{
private readonly IAIService _aIService; // 遵循命名规范，字段前加下划线
private readonly HttpClient _client; // 直接注入 HttpClient
private readonly IAIService _aIService;
private readonly HttpClient _client;
public ExamService(IAIService aIService, HttpClient client) // 修正点：直接注入 HttpClient
public ExamService(IAIService aIService, HttpClient client)
{
_aIService = aIService;
_client = client; // 赋值注入的 HttpClient 实例
_client = client;
}
public ApiResponse ConvertToXML<T>(string xmlContent)

2
TechHelper.Server/Context/Configuration/ClassTeacherConfiguration.cs
View File

@@ -53,7 +53,7 @@ namespace TechHelper.Context.Configuration
builder.HasOne(ct => ct.Teacher) // 当前 ClassTeacher 链接到一个 User (老师)
.WithMany(u => u.TaughtClassesLink) // 那个 User (老师) 可以有多个 ClassTeacher 记录 (为所教授的班级)
.HasForeignKey(ct => ct.TeacherId) // 外键是 ClassTeacher.TeacherId
.OnDelete(DeleteBehavior.Restrict); // 当 User (老师) 被删除时，如果还有相关的 ClassTeacher 记录，则会阻止删除。
.OnDelete(DeleteBehavior.Cascade); // 当 User (老师) 被删除时，如果还有相关的 ClassTeacher 记录，则会阻止删除。
// 这通常是防止数据丢失的更安全选择。如果你希望老师被删除时，其所有任教关系也一并删除，可改为 DeleteBehavior.Cascade。
}
}

1238
TechHelper.Server/Migrations/20250625032845_up.Designer.cs generated Normal file
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File diff suppressed because it is too large Load Diff

95
TechHelper.Server/Migrations/20250625032845_up.cs Normal file
View File

@@ -0,0 +1,95 @@
using System;
using Microsoft.EntityFrameworkCore.Migrations;
#nullable disable
#pragma warning disable CA1814 // Prefer jagged arrays over multidimensional
namespace TechHelper.Server.Migrations
{
/// <inheritdoc />
public partial class up : Migration
{
/// <inheritdoc />
protected override void Up(MigrationBuilder migrationBuilder)
{
migrationBuilder.DropForeignKey(
name: "FK_class_teachers_AspNetUsers_teacher_id",
table: "class_teachers");
migrationBuilder.DeleteData(
table: "AspNetRoles",
keyColumn: "Id",
keyValue: new Guid("8b814a50-fd96-4bfa-a666-b247c0f13e22"));
migrationBuilder.DeleteData(
table: "AspNetRoles",
keyColumn: "Id",
keyValue: new Guid("ab2c8f8c-1ade-4ff5-9eb4-2925a89567b1"));
migrationBuilder.DeleteData(
table: "AspNetRoles",
keyColumn: "Id",
keyValue: new Guid("c6f92bbf-190f-47a5-b4d6-ed6874a378e8"));
migrationBuilder.InsertData(
table: "AspNetRoles",
columns: new[] { "Id", "ConcurrencyStamp", "Name", "NormalizedName" },
values: new object[,]
{
{ new Guid("195b19c5-fd30-455c-9f38-9842b44bf5c3"), null, "Teacher", "TEACHER" },
{ new Guid("53cc63db-74bc-47a8-b71a-7e120d4018a9"), null, "Administrator", "ADMINISTRATOR" },
{ new Guid("a203eb76-97f0-418f-bc06-9549297d2ac3"), null, "Student", "STUDENT" }
});
migrationBuilder.AddForeignKey(
name: "FK_class_teachers_AspNetUsers_teacher_id",
table: "class_teachers",
column: "teacher_id",
principalTable: "AspNetUsers",
principalColumn: "Id",
onDelete: ReferentialAction.Cascade);
}
/// <inheritdoc />
protected override void Down(MigrationBuilder migrationBuilder)
{
migrationBuilder.DropForeignKey(
name: "FK_class_teachers_AspNetUsers_teacher_id",
table: "class_teachers");
migrationBuilder.DeleteData(
table: "AspNetRoles",
keyColumn: "Id",
keyValue: new Guid("195b19c5-fd30-455c-9f38-9842b44bf5c3"));
migrationBuilder.DeleteData(
table: "AspNetRoles",
keyColumn: "Id",
keyValue: new Guid("53cc63db-74bc-47a8-b71a-7e120d4018a9"));
migrationBuilder.DeleteData(
table: "AspNetRoles",
keyColumn: "Id",
keyValue: new Guid("a203eb76-97f0-418f-bc06-9549297d2ac3"));
migrationBuilder.InsertData(
table: "AspNetRoles",
columns: new[] { "Id", "ConcurrencyStamp", "Name", "NormalizedName" },
values: new object[,]
{
{ new Guid("8b814a50-fd96-4bfa-a666-b247c0f13e22"), null, "Administrator", "ADMINISTRATOR" },
{ new Guid("ab2c8f8c-1ade-4ff5-9eb4-2925a89567b1"), null, "Student", "STUDENT" },
{ new Guid("c6f92bbf-190f-47a5-b4d6-ed6874a378e8"), null, "Teacher", "TEACHER" }
});
migrationBuilder.AddForeignKey(
name: "FK_class_teachers_AspNetUsers_teacher_id",
table: "class_teachers",
column: "teacher_id",
principalTable: "AspNetUsers",
principalColumn: "Id",
onDelete: ReferentialAction.Restrict);
}
}
}

8
TechHelper.Server/Migrations/ApplicationContextModelSnapshot.cs
View File

@@ -744,19 +744,19 @@ namespace TechHelper.Server.Migrations
b.HasData(
new
{
Id = new Guid("ab2c8f8c-1ade-4ff5-9eb4-2925a89567b1"),
Id = new Guid("a203eb76-97f0-418f-bc06-9549297d2ac3"),
Name = "Student",
NormalizedName = "STUDENT"
},
new
{
Id = new Guid("c6f92bbf-190f-47a5-b4d6-ed6874a378e8"),
Id = new Guid("195b19c5-fd30-455c-9f38-9842b44bf5c3"),
Name = "Teacher",
NormalizedName = "TEACHER"
},
new
{
Id = new Guid("8b814a50-fd96-4bfa-a666-b247c0f13e22"),
Id = new Guid("53cc63db-74bc-47a8-b71a-7e120d4018a9"),
Name = "Administrator",
NormalizedName = "ADMINISTRATOR"
});
@@ -982,7 +982,7 @@ namespace TechHelper.Server.Migrations
b.HasOne("Entities.Contracts.User", "Teacher")
.WithMany("TaughtClassesLink")
.HasForeignKey("TeacherId")
.OnDelete(DeleteBehavior.Restrict)
.OnDelete(DeleteBehavior.Cascade)
.IsRequired();
b.Navigation("Class");

13
TechHelper.Server/Services/AuthenticationService.cs
View File

@@ -60,9 +60,14 @@ namespace TechHelper.Services
var classInfo = await _classService.GetUserClass(user.Id);
if (classInfo.Status)
{
(byte, byte) info = ((byte, byte))classInfo.Result;
claims.Add(new Claim("Grade", info.Item1.ToString()));
claims.Add(new Claim("Class", info.Item2.ToString()));
var classs = classInfo.Result as List<Class>;
classs?.ForEach(c =>
{
claims.Add(new Claim("Grade", c.Grade.ToString()));
claims.Add(new Claim("Class", c.Number.ToString()));
});
}
return claims;
@@ -74,7 +79,7 @@ namespace TechHelper.Services
issuer: _jwtSettings.ValidIssuer,
audience: _jwtSettings.ValidAudience,
claims: claims,
expires: DateTime.Now.AddMinutes(Convert.ToDouble(
expires: DateTime.UtcNow.AddMinutes(Convert.ToDouble(
_jwtSettings.ExpiryInMinutes)),
signingCredentials: signingCredentials);

96
TechHelper.Server/Services/ClassService.cs
View File

@@ -2,6 +2,7 @@
using Entities.Contracts;
using Entities.DTO;
using Microsoft.AspNetCore.Identity;
using Microsoft.EntityFrameworkCore;
using Org.BouncyCastle.Crypto;
using SharedDATA.Api;
@@ -105,7 +106,7 @@ namespace TechHelper.Services
}
// 实现 IBaseService<ClassDto, int>.GetAsync
public async Task<ApiResponse> GetAsync(Guid id)
public async Task<ApiResponse> GetAsync(Guid id)
{
try
{
@@ -126,13 +127,20 @@ namespace TechHelper.Services
}
}
public async Task<ApiResponse> GetUserClass(Guid user)
public async Task<ApiResponse> GetUserClass(Guid id)
{
var existingUserClass = await _work.GetRepository<ClassStudent>().GetFirstOrDefaultAsync(predicate: c=>c.StudentId == user);
if(existingUserClass == null) return new ApiResponse("该学生没有班级。");
var tch = await _work.GetRepository<ClassTeacher>().GetAllAsync(predicate: user => user.TeacherId == id, include: i => i
.Include(t => t.Class));
var std = await _work.GetRepository<ClassStudent>().GetAllAsync(predicate: user => user.StudentId == id, include: i => i
.Include(t => t.Class));
var classId = await _work.GetRepository<Class>().GetFirstOrDefaultAsync(predicate: c => c.Id == existingUserClass.ClassId);
return new ApiResponse(true, (classId.Grade, classId.Number));
if (tch == null && std == null) return new ApiResponse("你没有加入任何班级。");
List<Class> result = new List<Class>();
tch?.ToList().ForEach(c => result.Add(c.Class));
std?.ToList().ForEach(c => result.Add(c.Class));
return ApiResponse.Success(result: result);
}
// 实现 IBaseService<ClassDto, int>.UpdateAsync
@@ -142,14 +150,14 @@ namespace TechHelper.Services
{
// 首先通过 ID 查找现有实体
var existingClass = await _work.GetRepository<Class>().GetFirstOrDefaultAsync(
predicate: c => c.Number == model.Class);
predicate: c => c.Number == model.Class);
if (existingClass == null)
{
return new ApiResponse("班级未找到。");
}
_mapper.Map(model, existingClass);
_mapper.Map(model, existingClass);
_work.GetRepository<Class>().Update(existingClass);
if (await _work.SaveChangesAsync() > 0)
@@ -172,47 +180,87 @@ namespace TechHelper.Services
var existingClass = await _work.GetRepository<Class>().GetFirstOrDefaultAsync(
predicate: (c => c.Number == user.ClassId && c.Grade == user.GradeId));
var finduser = await _userManager.FindByEmailAsync(user.User);
// finduser and usrinfo are redundant if they are for the same user.
// Let's just use usrinfo
// var finduser = await _userManager.FindByEmailAsync(user.User);
if (existingClass == null || finduser == null || usrinfo == null)
if (existingClass == null || usrinfo == null) // Simplified check
{
return new ApiResponse("班级未找到。");
return new ApiResponse("班级或用户未找到。"); // More accurate message
}
bool registrationExists = false;
if (user.Roles == UserRoles.Student)
{
var addresult = await _work.GetRepository<ClassStudent>().InsertAsync(new ClassStudent
// Check for existing student registration
var existingStudentRegistration = await _work.GetRepository<ClassStudent>().GetFirstOrDefaultAsync(
predicate: cs => cs.StudentId == usrinfo.Id && cs.ClassId == existingClass.Id);
if (existingStudentRegistration != null)
{
StudentId = finduser.Id,
ClassId = existingClass.Id
});
registrationExists = true;
}
else
{
var addresult = await _work.GetRepository<ClassStudent>().InsertAsync(new ClassStudent
{
StudentId = usrinfo.Id, // Use usrinfo.Id
ClassId = existingClass.Id
});
}
await _userManager.AddToRoleAsync(usrinfo, UserRoles.Student.ToString());
}
else if (user.Roles == UserRoles.Teacher)
{
var classTeacher = new ClassTeacher
// Check for existing teacher registration
var existingTeacherRegistration = await _work.GetRepository<ClassTeacher>().GetFirstOrDefaultAsync(
predicate: ct => ct.TeacherId == usrinfo.Id && ct.ClassId == existingClass.Id);
if (existingTeacherRegistration != null)
{
ClassId = existingClass.Id,
TeacherId = existingClass.Id,
SubjectTaught = user.SubjectArea
};
await _work.GetRepository<ClassTeacher>().InsertAsync(classTeacher);
registrationExists = true;
}
else
{
var classTeacher = new ClassTeacher
{
ClassId = existingClass.Id,
TeacherId = usrinfo.Id, // Use usrinfo.Id
SubjectTaught = user.SubjectArea
};
await _work.GetRepository<ClassTeacher>().InsertAsync(classTeacher);
}
await _userManager.AddToRoleAsync(usrinfo, UserRoles.Teacher.ToString());
}
if (registrationExists)
{
return new ApiResponse("用户已在此班级注册，请勿重复注册。");
}
if (await _work.SaveChangesAsync() > 0)
{
// It's possible SaveChangesAsync returns 0 even if a role was added
// A more robust check might be needed depending on your exact requirements.
return new ApiResponse(true, _mapper.Map<ClassDto>(existingClass));
}
// If SaveChangesAsync returns 0 and registrationExists is false, it means no actual DB change occurred for the ClassStudent/ClassTeacher insert.
// This could happen if only the role was added, but the ClassStudent/Teacher was already there (and caught by the check).
// Or it means the insert failed for another reason not caught by the duplicate check.
// The previous error message "班级注册失败" is still appropriate in such cases.
return new ApiResponse("班级注册失败。");
}
catch (Exception ex) { return new ApiResponse($"注册进班级时发生错误: {ex.Message}"); }
catch (Exception ex)
{
// Log the exception details for debugging
// _logger.LogError(ex, "注册进班级时发生错误");
return new ApiResponse($"注册进班级时发生错误: {ex.Message}");
}
}
}
}

1
TechHelper.Server/Services/IClassService.cs
View File

@@ -8,5 +8,6 @@ namespace TechHelper.Services
{
public Task<ApiResponse> UserRegister(UserRegistrationToClassDto user);
public Task<ApiResponse> GetUserClass(Guid user);
public Task<ApiResponse> GetClassStudents(ClassDto classDto);
}
}