重构项目结构，移除Assignment相关功能，优化Submission模块

TechHelper.Server/Controllers/TextbookController.cs

@@ -0,0 +1,209 @@
+using Entities.Contracts;
+using Entities.DTO;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Identity;
+using Microsoft.AspNetCore.Mvc;
+using TechHelper.Services;
+using TechHelper.Services.Beta;
+
+namespace TechHelper.Server.Controllers
+{
+    /// <summary>
+    /// 教材管理控制器
+    /// 处理教材相关的操作，如创建、更新、删除教材等
+    /// </summary>
+    [Route("api/textbook")]
+    [ApiController]
+    public class TextbookController : ControllerBase
+    {
+        private readonly ITextbookService _textbookService;
+        private readonly UserManager<User> _userManager;
+
+        /// <summary>
+        /// 初始化教材控制器
+        /// </summary>
+        /// <param name="textbookService">教材服务</param>
+        /// <param name="userManager">用户管理服务</param>
+        public TextbookController(ITextbookService textbookService, UserManager<User> userManager)
+        {
+            _textbookService = textbookService;
+            _userManager = userManager;
+        }
+
+        #region 教材基本信息CRUD操作
+
+        /// <summary>
+        /// 获取教材列表（支持搜索）
+        /// </summary>
+        /// <param name="query">查询参数</param>
+        /// <returns>教材列表</returns>
+        /// <response code="200">成功获取教材列表</response>
+        /// <response code="400">获取失败</response>
+        [HttpGet]
+        [Authorize(Roles = "Teacher,Admin")]
+        public async Task<IActionResult> GetAll([FromQuery] QueryParameter query)
+        {
+            var result = await _textbookService.GetAllAsync(query);
+            
+            if (!result.Status)
+            {
+                return BadRequest(result.Message);
+            }
+
+            return Ok(result.Result);
+        }
+
+        /// <summary>
+        /// 根据ID获取教材详细信息
+        /// </summary>
+        /// <param name="id">教材ID</param>
+        /// <returns>教材详细信息</returns>
+        /// <response code="200">成功获取教材信息</response>
+        /// <response code="400">教材未找到或获取失败</response>
+        [HttpGet("{id}")]
+        [Authorize(Roles = "Teacher,Admin")]
+        public async Task<IActionResult> GetById(Guid id)
+        {
+            var result = await _textbookService.GetAsync(id);
+            
+            if (!result.Status)
+            {
+                return BadRequest(result.Message);
+            }
+
+            return Ok(result.Result);
+        }
+
+        /// <summary>
+        /// 创建新教材
+        /// </summary>
+        /// <param name="model">教材数据传输对象</param>
+        /// <returns>创建结果</returns>
+        /// <response code="200">创建成功</response>
+        /// <response code="400">创建失败</response>
+        [HttpPost]
+        [Authorize(Roles = "Admin,Teacher")]
+        public async Task<IActionResult> Create([FromBody] TextbookDto model)
+        {
+            var result = await _textbookService.AddAsync(model);
+            
+            if (!result.Status)
+            {
+                return BadRequest(result.Message);
+            }
+
+            return Ok(result.Result);
+        }
+
+        /// <summary>
+        /// 更新教材信息
+        /// </summary>
+        /// <param name="model">教材数据传输对象</param>
+        /// <returns>更新结果</returns>
+        /// <response code="200">更新成功</response>
+        /// <response code="400">更新失败</response>
+        [HttpPut]
+        [Authorize(Roles = "Admin")]
+        public async Task<IActionResult> Update([FromBody] TextbookDto model)
+        {
+            var result = await _textbookService.UpdateAsync(model);
+            
+            if (!result.Status)
+            {
+                return BadRequest(result.Message);
+            }
+
+            return Ok(result.Result);
+        }
+
+        /// <summary>
+        /// 删除教材
+        /// </summary>
+        /// <param name="id">教材ID</param>
+        /// <returns>删除结果</returns>
+        /// <response code="200">删除成功</response>
+        /// <response code="400">删除失败</response>
+        [HttpDelete("{id}")]
+        [Authorize(Roles = "Admin")]
+        public async Task<IActionResult> Delete(Guid id)
+        {
+            var result = await _textbookService.DeleteAsync(id);
+            
+            if (!result.Status)
+            {
+                return BadRequest(result.Message);
+            }
+
+            return Ok(result.Message);
+        }
+
+        #endregion
+
+        #region 教材扩展操作
+
+        /// <summary>
+        /// 根据年级获取教材列表
+        /// </summary>
+        /// <param name="grade">年级</param>
+        /// <returns>教材列表</returns>
+        /// <response code="200">成功获取教材列表</response>
+        /// <response code="400">获取失败</response>
+        [HttpGet("grade/{grade}")]
+        [Authorize(Roles = "Student,Teacher,Admin")]
+        public async Task<IActionResult> GetByGrade(string grade)
+        {
+            var result = await _textbookService.GetAllAsync(new QueryParameter { Search = grade });
+            
+            if (!result.Status)
+            {
+                return BadRequest(result.Message);
+            }
+
+            return Ok(result.Result);
+        }
+
+        /// <summary>
+        /// 根据出版社获取教材列表
+        /// </summary>
+        /// <param name="publisher">出版社</param>
+        /// <returns>教材列表</returns>
+        /// <response code="200">成功获取教材列表</response>
+        /// <response code="400">获取失败</response>
+        [HttpGet("publisher/{publisher}")]
+        [Authorize(Roles = "Student,Teacher,Admin")]
+        public async Task<IActionResult> GetByPublisher(string publisher)
+        {
+            var result = await _textbookService.GetAllAsync(new QueryParameter { Search = publisher });
+            
+            if (!result.Status)
+            {
+                return BadRequest(result.Message);
+            }
+
+            return Ok(result.Result);
+        }
+
+        /// <summary>
+        /// 根据学科领域获取教材列表
+        /// </summary>
+        /// <param name="subjectArea">学科领域</param>
+        /// <returns>教材列表</returns>
+        /// <response code="200">成功获取教材列表</response>
+        /// <response code="400">获取失败</response>
+        [HttpGet("subjectArea/{subjectArea}")]
+        [Authorize(Roles = "Student,Teacher,Admin")]
+        public async Task<IActionResult> GetBySubjectArea(string subjectArea)
+        {
+            var result = await _textbookService.GetAllAsync(new QueryParameter { Search = subjectArea });
+            
+            if (!result.Status)
+            {
+                return BadRequest(result.Message);
+            }
+
+            return Ok(result.Result);
+        }
+
+        #endregion
+    }
+}