From 2268b024666bacb1831b2d431a8f5e5f44fe2f42 Mon Sep 17 00:00:00 2001 From: gushen610140 Date: Wed, 17 Dec 2025 00:27:31 +0800 Subject: [PATCH] feat: add course requirements --- .../ai_spring_example/Controllers/Course.java | 193 ++++++++++++++++++ 1 file changed, 193 insertions(+) create mode 100644 src/main/java/icu/sunway/ai_spring_example/Controllers/Course.java diff --git a/src/main/java/icu/sunway/ai_spring_example/Controllers/Course.java b/src/main/java/icu/sunway/ai_spring_example/Controllers/Course.java new file mode 100644 index 0000000..d4bcda5 --- /dev/null +++ b/src/main/java/icu/sunway/ai_spring_example/Controllers/Course.java @@ -0,0 +1,193 @@ +package icu.sunway.ai_spring_example.Controllers; + +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +import org.springframework.web.bind.annotation.DeleteMapping; +import org.springframework.web.bind.annotation.GetMapping; +import org.springframework.web.bind.annotation.PathVariable; +import org.springframework.web.bind.annotation.PostMapping; +import org.springframework.web.bind.annotation.RequestBody; +import org.springframework.web.bind.annotation.RequestParam; +import org.springframework.web.bind.annotation.RestController; + +import icu.sunway.ai_spring_example.Common.ResponseEntity; + +/** + * 课程控制器 + * 提供课程展示和报名相关的功能 + */ +@RestController +public class Course { + + /** + * 获取课程列表 + * + * @param params 查询参数，包含page、size、name、category、status等字段 + * @return 课程列表数据 + */ + @GetMapping("/courses") + public ResponseEntity getCourseList(@RequestParam Map params) { + // 从Map中获取查询参数 + Integer page = Integer.valueOf((String) params.getOrDefault("page", "1")); + Integer size = Integer.valueOf((String) params.getOrDefault("size", "10")); + String name = (String) params.get("name"); + String category = (String) params.get("category"); + Integer status = params.get("status") != null ? Integer.valueOf((String) params.get("status")) : null; + + // TODO: 实现查询逻辑 + // 1. 根据条件查询课程列表 + // 2. 处理分页 + + // 模拟返回课程列表 + List> courseList = List.of( + Map.of("id", 1, "name", "Java基础课程", "category", "编程", "teacher", "张老师", "price", 99.00, "students", 150, + "status", 1, "description", "Java入门到精通课程"), + Map.of("id", 2, "name", "Python数据分析", "category", "数据科学", "teacher", "李老师", "price", 199.00, "students", + 80, "status", 1, "description", "Python数据分析实战课程")); + + Map responseData = new HashMap<>(); + responseData.put("list", courseList); + responseData.put("total", 2); + responseData.put("page", page); + responseData.put("size", size); + + return ResponseEntity.success("获取课程列表成功", responseData); + } + + /** + * 获取课程详情 + * + * @param courseId 课程ID + * @return 课程详细信息 + */ + @GetMapping("/courses/{courseId}") + public ResponseEntity getCourseDetail(@PathVariable Long courseId) { + // 参数验证 + if (courseId == null) { + return ResponseEntity.error(400, "课程ID不能为空"); + } + + // TODO: 实现查询逻辑 + // 1. 根据课程ID查询课程信息 + // 2. 查询课程章节、评价等关联信息 + + // 模拟返回课程详情 + Map courseInfo = Map.of( + "id", courseId, "name", "Java基础课程", "category", "编程", "teacher", "张老师", "price", 99.00, + "students", 150, "status", 1, "description", "Java入门到精通课程", + "chapters", List.of( + Map.of("id", 1, "name", "Java简介", "duration", "30分钟"), + Map.of("id", 2, "name", "变量与数据类型", "duration", "45分钟")), + "ratings", Map.of("avg", 4.8, "count", 50)); + + return ResponseEntity.success("获取课程详情成功", courseInfo); + } + + /** + * 课程报名 + * + * @param enrollMap 报名信息，包含courseId、userId等字段 + * @return 报名结果 + */ + @PostMapping("/courses/enroll") + public ResponseEntity enrollCourse(@RequestBody Map enrollMap) { + // 从Map中获取报名信息 + Long courseId = (Long) enrollMap.get("courseId"); + Long userId = (Long) enrollMap.get("userId"); + + // 参数验证 + if (courseId == null) { + return ResponseEntity.error(400, "课程ID不能为空"); + } + if (userId == null) { + return ResponseEntity.error(400, "用户ID不能为空"); + } + + // TODO: 实现报名逻辑 + // 1. 检查课程是否存在且可报名 + // 2. 检查用户是否已报名该课程 + // 3. 记录报名信息 + // 4. 更新课程报名人数 + + // 模拟报名成功 + Map responseData = new HashMap<>(); + responseData.put("courseId", courseId); + responseData.put("userId", userId); + responseData.put("enrollTime", "2023-05-20 10:00:00"); + + return ResponseEntity.success("课程报名成功", responseData); + } + + /** + * 获取用户报名的课程列表 + * + * @param params 查询参数，包含userId、page、size等字段 + * @return 用户报名的课程列表 + */ + @GetMapping("/user/courses") + public ResponseEntity getUserCourses(@RequestParam Map params) { + // 从Map中获取查询参数 + Long userId = Long.valueOf((String) params.get("userId")); + Integer page = Integer.valueOf((String) params.getOrDefault("page", "1")); + Integer size = Integer.valueOf((String) params.getOrDefault("size", "10")); + + // 参数验证 + if (userId == null) { + return ResponseEntity.error(400, "用户ID不能为空"); + } + + // TODO: 实现查询逻辑 + // 1. 根据用户ID查询已报名课程 + // 2. 处理分页 + + // 模拟返回用户报名的课程列表 + List> userCourseList = List.of( + Map.of("id", 1, "courseId", 1, "courseName", "Java基础课程", "teacher", "张老师", "enrollTime", + "2023-05-20 10:00:00", "status", "learning"), + Map.of("id", 2, "courseId", 2, "courseName", "Python数据分析", "teacher", "李老师", "enrollTime", + "2023-05-15 14:30:00", "status", "completed")); + + Map responseData = new HashMap<>(); + responseData.put("list", userCourseList); + responseData.put("total", 2); + responseData.put("page", page); + responseData.put("size", size); + + return ResponseEntity.success("获取用户课程列表成功", responseData); + } + + /** + * 取消课程报名 + * + * @param courseId 课程ID + * @param params 参数，包含userId字段 + * @return 取消报名结果 + */ + @DeleteMapping("/courses/{courseId}/enroll") + public ResponseEntity cancelEnroll(@PathVariable Long courseId, @RequestParam Map params) { + // 从Map中获取用户ID + Long userId = Long.valueOf((String) params.get("userId")); + + // 参数验证 + if (courseId == null) { + return ResponseEntity.error(400, "课程ID不能为空"); + } + if (userId == null) { + return ResponseEntity.error(400, "用户ID不能为空"); + } + + // TODO: 实现取消报名逻辑 + // 1. 检查报名记录是否存在 + // 2. 删除报名记录 + // 3. 更新课程报名人数 + + // 模拟取消报名成功 + Map responseData = new HashMap<>(); + responseData.put("courseId", courseId); + responseData.put("userId", userId); + + return ResponseEntity.success("取消课程报名成功", responseData); + } +}