1

TechHelper.Server/Controllers/ClassController.cs

@@ -1,7 +1,10 @@
-using Entities.DTO;
+using Entities.Contracts;
+using Entities.DTO;
 using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Identity;
 using Microsoft.AspNetCore.Mvc;
 using System.Net;
+using System.Security.Claims;
 using TechHelper.Services;
 
 namespace TechHelper.Server.Controllers
@@ -11,25 +14,76 @@ namespace TechHelper.Server.Controllers
 	public class ClassController : ControllerBase
 	{
 		private IClassService _classService;
-
-		public ClassController(IClassService classService)
+		private UserManager<User> _userManager;
+		public ClassController(IClassService classService, UserManager<User> userManager)
 		{
 			_classService = classService;
+			_userManager = userManager;
 		}
 
 		[HttpPost("userRegiste")]
 		public async Task<IActionResult> UserRegisterToClass(
 			[FromBody] UserRegistrationToClassDto toClass)
 		{
-			
+
 			var result = await _classService.UserRegister(toClass);
 
-			if(!result.Status) return BadRequest(result.Message);
+			if (!result.Status) return BadRequest(result.Message);
 
-			return Ok();	
+			return Ok();
 		}
 
 
+
+
+		[HttpPost("getClassStudents")]
+		public async Task<IActionResult> GetClassStudents()
+		{
+			if (User.IsInRole("Teacher"))
+			{
+				var gradeClaim = User.FindFirst("Grade")?.Value;
+				var classClaim = User.FindFirst("Class")?.Value;
+
+				if (string.IsNullOrEmpty(gradeClaim) || string.IsNullOrEmpty(classClaim))
+				{
+					return BadRequest("未识别到你加入的班级信息（年级或班级声明缺失）。");
+				}
+
+				if (!byte.TryParse(gradeClaim, out byte grade) || !byte.TryParse(classClaim, out byte cla))
+				{
+					return BadRequest("你班级或年级信息格式不正确。");
+				}
+
+				var classDto = new ClassDto
+				{
+					Grade = grade,
+					Class = cla
+				};
+
+				var result = await _classService.GetClassStudents(classDto);
+				var css = result.Result as ICollection<ClassStudent>;
+				if(css == null) return BadRequest("你还没有学生");
+
+
+				List<StudentDto> sts = new List<StudentDto>();
+				css?.ToList().ForEach(s => sts.Add(new StudentDto
+				{
+					DisplayName = s.Student.DisplayName,
+					Id = s.Student.Id,
+				}));
+
+				if (!result.Status)
+				{
+					return BadRequest(result.Message);
+				}
+				return Ok(sts);
+			}
+			else
+			{
+				return BadRequest("你没有权限查看，未识别到你的教师身份。");
+			}
+		}
+
 		[HttpPost("Create")]
 		public async Task<IActionResult> Create(
 			[FromBody] ClassDto classDto)