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added: 最近学习api

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none 2023-03-27 15:32:35 +08:00
parent b2f72644e0
commit c8182447ba
6 changed files with 92 additions and 20 deletions
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37
src/main/java/xyz/playedu/api/controller/frontend/UserController.java
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@ -13,6 +13,7 @@ import xyz.playedu.api.exception.ServiceException;
import xyz.playedu.api.request.frontend.ChangePasswordRequest;
import xyz.playedu.api.service.*;
import xyz.playedu.api.types.JsonResponse;
import xyz.playedu.api.types.response.UserLatestLearn;
import xyz.playedu.api.util.PrivacyUtil;
import java.util.*;
@ -39,6 +40,9 @@ public class UserController {
@Autowired
private UserCourseRecordService userCourseRecordService;
@Autowired
private UserCourseHourRecordService userCourseHourRecordService;
@Autowired
private UserLearnDurationStatsService userLearnDurationStatsService;
@ -159,4 +163,37 @@ public class UserController {
return JsonResponse.data(data);
}
@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) {
return JsonResponse.data(new ArrayList<>());
}
// 线上课
Map<Integer, Course> courses = courseService.chunks(courseIds, new ArrayList<>() {{
add("id");
add("title");
add("thumb");
add("short_desc");
add("class_hour");
add("is_required");
}}).stream().collect(Collectors.toMap(Course::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);
userLatestLearns.add(new UserLatestLearn() {{
setCourse(tmpCourse);
setUserCourseRecord(record);
}});
}
return JsonResponse.data(userLatestLearns);
}
}

14
src/main/java/xyz/playedu/api/mapper/UserCourseHourRecordMapper.java
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@ -4,15 +4,17 @@ import org.apache.ibatis.annotations.Mapper;
import xyz.playedu.api.domain.UserCourseHourRecord;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import java.util.List;
/**
* @author tengteng
* @description 针对表【user_course_hour_records】的数据库操作Mapper
* @createDate 2023-03-20 16:41:08
* @Entity xyz.playedu.api.domain.UserCourseHourRecord
*/
* @author tengteng
* @description 针对表【user_course_hour_records】的数据库操作Mapper
* @createDate 2023-03-20 16:41:08
* @Entity xyz.playedu.api.domain.UserCourseHourRecord
*/
@Mapper
public interface UserCourseHourRecordMapper extends BaseMapper<UserCourseHourRecord> {
List<Integer> getLatestCourseIds(Integer userId, Integer size);
}

2
src/main/java/xyz/playedu/api/service/UserCourseHourRecordService.java
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@ -18,4 +18,6 @@ public interface UserCourseHourRecordService extends IService<UserCourseHourReco
Integer getFinishedHourCount(Integer userId, Integer courseId);
List<UserCourseHourRecord> getRecords(Integer userId, Integer courseId);
List<Integer> getLatestCourseIds(Integer userId, Integer size);
}

5
src/main/java/xyz/playedu/api/service/impl/UserCourseHourRecordServiceImpl.java
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@ -87,6 +87,11 @@ public class UserCourseHourRecordServiceImpl extends ServiceImpl<UserCourseHourR
public List<UserCourseHourRecord> getRecords(Integer userId, Integer courseId) {
return list(query().getWrapper().eq("user_id", userId).eq("course_id", courseId));
}
@Override
public List<Integer> getLatestCourseIds(Integer userId, Integer size) {
return getBaseMapper().getLatestCourseIds(userId, size);
}
}

18
src/main/java/xyz/playedu/api/types/response/UserLatestLearn.java Normal file
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@ -0,0 +1,18 @@
package xyz.playedu.api.types.response;
import com.fasterxml.jackson.annotation.JsonProperty;
import lombok.Data;
import xyz.playedu.api.domain.Course;
import xyz.playedu.api.domain.UserCourseRecord;
/**
* @Author 杭州白书科技有限公司
* @create 2023/3/27 15:29
*/
@Data
public class UserLatestLearn {
@JsonProperty("course")
private Course course;
@JsonProperty("record")
private UserCourseRecord userCourseRecord;
}

36
src/main/resources/mapper/UserCourseHourRecordMapper.xml
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@ -5,23 +5,31 @@
<mapper namespace="xyz.playedu.api.mapper.UserCourseHourRecordMapper">
<resultMap id="BaseResultMap" type="xyz.playedu.api.domain.UserCourseHourRecord">
<id property="id" column="id" jdbcType="INTEGER"/>
<result property="userId" column="user_id" jdbcType="INTEGER"/>
<result property="courseId" column="course_id" jdbcType="INTEGER"/>
<result property="hourId" column="hour_id" jdbcType="INTEGER"/>
<result property="totalDuration" column="total_duration" jdbcType="INTEGER"/>
<result property="finishedDuration" column="finished_duration" jdbcType="INTEGER"/>
<result property="realDuration" column="real_duration" jdbcType="INTEGER"/>
<result property="isFinished" column="is_finished" jdbcType="TINYINT"/>
<result property="finishedAt" column="finished_at" jdbcType="TIMESTAMP"/>
<result property="createdAt" column="created_at" jdbcType="TIMESTAMP"/>
<result property="updatedAt" column="updated_at" jdbcType="TIMESTAMP"/>
<id property="id" column="id" jdbcType="INTEGER"/>
<result property="userId" column="user_id" jdbcType="INTEGER"/>
<result property="courseId" column="course_id" jdbcType="INTEGER"/>
<result property="hourId" column="hour_id" jdbcType="INTEGER"/>
<result property="totalDuration" column="total_duration" jdbcType="INTEGER"/>
<result property="finishedDuration" column="finished_duration" jdbcType="INTEGER"/>
<result property="realDuration" column="real_duration" jdbcType="INTEGER"/>
<result property="isFinished" column="is_finished" jdbcType="TINYINT"/>
<result property="finishedAt" column="finished_at" jdbcType="TIMESTAMP"/>
<result property="createdAt" column="created_at" jdbcType="TIMESTAMP"/>
<result property="updatedAt" column="updated_at" jdbcType="TIMESTAMP"/>
</resultMap>
<sql id="Base_Column_List">
id,user_id,course_id,
hour_id,total_duration,finished_duration,
real_duration,is_finished,finished_at,
id
,user_id,course_id,
hour_id,total_duration,finished_duration,
real_duration,is_finished,finished_at,
created_at,updated_at
</sql>
<select id="getLatestCourseIds" resultType="java.lang.Integer">
select distinct `user_course_hour_records`.`course_id`
from `user_course_hour_records`
where `user_course_hour_records`.`user_id` = #{userId}
order by `user_course_hour_records`.`updated_at` desc limit #{size};
</select>
</mapper>