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优化学员最近学习记录api

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2023-03-27 17:26:28 +08:00
parent c6edf48fb0
commit 9778f1c06a
8 changed files with 49 additions and 13 deletions
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25
src/main/java/xyz/playedu/api/controller/frontend/UserController.java
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@@ -37,6 +37,9 @@ public class UserController {
@Autowired
private CourseService courseService;
@Autowired
private CourseHourService hourService;
@Autowired
private UserCourseRecordService userCourseRecordService;
@@ -166,11 +169,16 @@ public class UserController {
@GetMapping("/latest-learn")
public JsonResponse latestLearn() {
// 读取当前学员最近100条学习的线上课
List<Integer> courseIds = userCourseHourRecordService.getLatestCourseIds(FCtx.getId(), 100);
if (courseIds == null || courseIds.size() == 0) {
List<UserCourseHourRecord> userCourseHourRecords = userCourseHourRecordService.getLatestCourseIds(FCtx.getId(), 100);
if (userCourseHourRecords == null || userCourseHourRecords.size() == 0) {
return JsonResponse.data(new ArrayList<>());
}
List<Integer> courseIds = userCourseHourRecords.stream().map(UserCourseHourRecord::getCourseId).toList();
List<Integer> hourIds = userCourseHourRecords.stream().map(UserCourseHourRecord::getHourId).toList();
Map<Integer, UserCourseHourRecord> hour2Record = userCourseHourRecords.stream().collect(Collectors.toMap(UserCourseHourRecord::getHourId, e -> e));
Map<Integer, Integer> course2hour = userCourseHourRecords.stream().collect(Collectors.toMap(UserCourseHourRecord::getCourseId, UserCourseHourRecord::getHourId));
// 线上课
Map<Integer, Course> courses = courseService.chunks(courseIds, new ArrayList<>() {{
add("id");
@@ -181,15 +189,24 @@ public class UserController {
add("is_required");
}}).stream().collect(Collectors.toMap(Course::getId, e -> e));
// 线上课课时
Map<Integer, CourseHour> hours = hourService.chunk(hourIds).stream().collect(Collectors.toMap(CourseHour::getId, e -> e));
// 获取学员的线上课进度
Map<Integer, UserCourseRecord> records = userCourseRecordService.chunk(FCtx.getId(), courseIds).stream().collect(Collectors.toMap(UserCourseRecord::getCourseId, e -> e));
List<UserLatestLearn> userLatestLearns = new ArrayList<>();
for (Integer courseId : courseIds) {
UserCourseRecord record = records.get(courseId);
Course tmpCourse = courses.get(courseId);
UserCourseRecord record = records.get(courseId);//线上课学习进度
Course tmpCourse = courses.get(courseId);//线上课
Integer tmpHourId = course2hour.get(courseId);//最近学习的课时id
UserCourseHourRecord tmpUserCourseHourRecord = hour2Record.get(tmpHourId);//课时学习进度
CourseHour tmpHour = hours.get(tmpHourId);//课时
userLatestLearns.add(new UserLatestLearn() {{
setCourse(tmpCourse);
setUserCourseRecord(record);
setHourRecord(tmpUserCourseHourRecord);
setLastLearnHour(tmpHour);
}});
}