280 lines
8.3 KiB
C#
280 lines
8.3 KiB
C#
using AutoMapper;
|
|
using Entities.Contracts;
|
|
using Entities.DTO;
|
|
using Microsoft.AspNetCore.Identity;
|
|
using Microsoft.EntityFrameworkCore;
|
|
using Org.BouncyCastle.Crypto;
|
|
using SharedDATA.Api;
|
|
|
|
namespace TechHelper.Services
|
|
{
|
|
public class ClassService : IClassService
|
|
{
|
|
private readonly IUnitOfWork _work;
|
|
private readonly IMapper _mapper;
|
|
private readonly UserManager<User> _userManager;
|
|
|
|
public ClassService(IUnitOfWork work, IMapper mapper, UserManager<User> userManager)
|
|
{
|
|
_work = work;
|
|
_mapper = mapper;
|
|
_userManager = userManager;
|
|
}
|
|
|
|
public async Task<ApiResponse> AddAsync(ClassDto model)
|
|
{
|
|
try
|
|
{
|
|
var @class = _mapper.Map<Class>(model);
|
|
await _work.GetRepository<Class>().InsertAsync(@class);
|
|
|
|
if (await _work.SaveChangesAsync() > 0)
|
|
{
|
|
return new ApiResponse(true, _mapper.Map<ClassDto>(@class));
|
|
}
|
|
return new ApiResponse("添加班级失败。");
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
return new ApiResponse($"添加班级时发生错误: {ex.Message}");
|
|
}
|
|
}
|
|
|
|
// 实现 IBaseService<ClassDto, int>.DeleteAsync
|
|
public async Task<ApiResponse> DeleteAsync(Guid id) // ID 类型现在是 int
|
|
{
|
|
try
|
|
{
|
|
var existingClass = await _work.GetRepository<Class>().GetFirstOrDefaultAsync(
|
|
predicate: c => c.Id == id);
|
|
|
|
if (existingClass == null)
|
|
{
|
|
return new ApiResponse("班级未找到。");
|
|
}
|
|
|
|
_work.GetRepository<Class>().Delete(existingClass);
|
|
|
|
if (await _work.SaveChangesAsync() > 0)
|
|
{
|
|
return new ApiResponse(true, "班级删除成功。");
|
|
}
|
|
return new ApiResponse("删除班级失败。");
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
return new ApiResponse($"删除班级时发生错误: {ex.Message}");
|
|
}
|
|
}
|
|
|
|
public async Task<ApiResponse> GetAllAsync(QueryParameter query)
|
|
{
|
|
try
|
|
{
|
|
var repository = _work.GetRepository<Class>();
|
|
|
|
Func<IQueryable<Class>, IOrderedQueryable<Class>> orderBy = null;
|
|
if (query.Search != null && !string.IsNullOrWhiteSpace(query.Search))
|
|
{
|
|
// 在 Name 字段中进行模糊搜索
|
|
var classes = await repository.GetPagedListAsync(
|
|
orderBy: orderBy,
|
|
pageSize: query.PageSize,
|
|
pageIndex: query.PageIndex
|
|
);
|
|
var classDtosFiltered = _mapper.Map<IEnumerable<ClassDto>>(classes);
|
|
return new ApiResponse(true, classDtosFiltered);
|
|
}
|
|
else
|
|
{
|
|
// 如果没有搜索条件，获取所有（带分页）
|
|
var classes = await repository.GetPagedListAsync(
|
|
orderBy: orderBy,
|
|
pageSize: query.PageSize,
|
|
pageIndex: query.PageIndex
|
|
);
|
|
var classDtos = _mapper.Map<IEnumerable<ClassDto>>(classes);
|
|
return new ApiResponse(true, classDtos);
|
|
}
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
return new ApiResponse($"获取所有班级时发生错误: {ex.Message}");
|
|
}
|
|
}
|
|
|
|
// 实现 IBaseService<ClassDto, int>.GetAsync
|
|
public async Task<ApiResponse> GetAsync(Guid id)
|
|
{
|
|
try
|
|
{
|
|
var @class = await _work.GetRepository<Class>().GetFirstOrDefaultAsync(
|
|
predicate: c => c.Id == id);
|
|
|
|
if (@class == null)
|
|
{
|
|
return new ApiResponse("班级未找到。");
|
|
}
|
|
|
|
var classDto = _mapper.Map<ClassDto>(@class);
|
|
return new ApiResponse(true, classDto);
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
return new ApiResponse($"获取班级时发生错误: {ex.Message}");
|
|
}
|
|
}
|
|
|
|
public async Task<ApiResponse> GetClassStudents(ClassDto classDto)
|
|
{
|
|
try
|
|
{
|
|
var result = await _work.GetRepository<Class>().GetFirstOrDefaultAsync(predicate:
|
|
c => c.Grade == classDto.Grade && c.Number == classDto.Class,
|
|
include: i => i
|
|
.Include(c => c.ClassStudents)
|
|
.ThenInclude(cs => cs.Student));
|
|
|
|
return ApiResponse.Success(result: result.ClassStudents);
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
return ApiResponse.Error($"获取学生列表错误, {ex.Message}, {ex.InnerException}");
|
|
}
|
|
}
|
|
|
|
public async Task<ApiResponse> GetUserClass(Guid id)
|
|
{
|
|
var tch = await _work.GetRepository<ClassTeacher>().GetAllAsync(predicate: user => user.TeacherId == id, include: i => i
|
|
.Include(t => t.Class));
|
|
var std = await _work.GetRepository<ClassStudent>().GetAllAsync(predicate: user => user.StudentId == id, include: i => i
|
|
.Include(t => t.Class));
|
|
|
|
if (tch == null && std == null) return new ApiResponse("你没有加入任何班级。");
|
|
|
|
|
|
List<Class> result = new List<Class>();
|
|
tch?.ToList().ForEach(c => result.Add(c.Class));
|
|
std?.ToList().ForEach(c => result.Add(c.Class));
|
|
return ApiResponse.Success(result: result);
|
|
}
|
|
|
|
// 实现 IBaseService<ClassDto, int>.UpdateAsync
|
|
public async Task<ApiResponse> UpdateAsync(ClassDto model)
|
|
{
|
|
try
|
|
{
|
|
// 首先通过 ID 查找现有实体
|
|
var existingClass = await _work.GetRepository<Class>().GetFirstOrDefaultAsync(
|
|
predicate: c => c.Number == model.Class);
|
|
|
|
if (existingClass == null)
|
|
{
|
|
return new ApiResponse("班级未找到。");
|
|
}
|
|
|
|
_mapper.Map(model, existingClass);
|
|
_work.GetRepository<Class>().Update(existingClass);
|
|
|
|
if (await _work.SaveChangesAsync() > 0)
|
|
{
|
|
return new ApiResponse(true, _mapper.Map<ClassDto>(existingClass));
|
|
}
|
|
return new ApiResponse("更新班级失败。");
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
return new ApiResponse($"更新班级时发生错误: {ex.Message}");
|
|
}
|
|
}
|
|
|
|
public async Task<ApiResponse> UserRegister(UserRegistrationToClassDto user)
|
|
{
|
|
try
|
|
{
|
|
var usrinfo = await _userManager.FindByEmailAsync(user.User);
|
|
var existingClass = await _work.GetRepository<Class>().GetFirstOrDefaultAsync(
|
|
predicate: (c => c.Number == user.ClassId && c.Grade == user.GradeId));
|
|
|
|
|
|
if (existingClass == null || usrinfo == null) // Simplified check
|
|
{
|
|
return new ApiResponse("班级或用户未找到。"); // More accurate message
|
|
}
|
|
|
|
bool registrationExists = false;
|
|
|
|
if (user.Roles == UserRoles.Student)
|
|
{
|
|
// 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)
|
|
{
|
|
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)
|
|
{
|
|
// 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)
|
|
{
|
|
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)
|
|
{
|
|
// 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}");
|
|
}
|
|
}
|
|
}
|
|
}
|