feat: 完善获取时间Api

src/main/java/nju/seec/helper/dao/ChooseDAO.java

@@ -5,6 +5,7 @@ import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.data.jpa.repository.Query;
 import org.springframework.stereotype.Repository;
 
+import java.util.List;
 import java.util.Set;
 
 /**
@@ -46,4 +47,12 @@ public interface ChooseDAO extends JpaRepository<Choose, Long> {
      */
     @Query("select distinct c.studentId from Choose c where c.courseId=?1")
     Set<Long> findStudentIdsByCourseId(Long courseId);
+
+    /**
+     * 根据课程检索
+     *
+     * @param courseId
+     * @return
+     */
+    List<Choose> findByCourseId(Long courseId);
 }

src/main/java/nju/seec/helper/entity/Choose.java

@@ -2,8 +2,10 @@ package nju.seec.helper.entity;
 
 import lombok.Data;
 import lombok.experimental.Accessors;
+import org.hibernate.annotations.CreationTimestamp;
 
 import javax.persistence.*;
+import java.time.LocalDateTime;
 
 /**
  * @author cst
@@ -22,4 +24,8 @@ public class Choose {
 
     @Column(name = "student_id", nullable = false)
     private Long studentId;
+
+    @Column(name = "choose_at")
+    @CreationTimestamp
+    private LocalDateTime chooseAt;
 }

src/main/java/nju/seec/helper/service/impl/EventServiceImpl.java

@@ -1,20 +1,18 @@
 package nju.seec.helper.service.impl;
 
+import cn.hutool.core.text.StrBuilder;
 import com.google.common.collect.Lists;
+import nju.seec.helper.api.dataanalysis.EventAction;
 import nju.seec.helper.api.dataanalysis.EventType;
 import nju.seec.helper.dao.*;
-import nju.seec.helper.entity.Comment;
-import nju.seec.helper.entity.Course;
-import nju.seec.helper.entity.User;
+import nju.seec.helper.entity.*;
+import nju.seec.helper.enums.UserRole;
 import nju.seec.helper.service.EventService;
 import nju.seec.helper.vo.EventVO;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
-import java.util.Collections;
 import java.util.List;
-import java.util.Set;
-import java.util.stream.Collectors;
 
 /**
  * @author cst
@@ -25,38 +23,66 @@ public class EventServiceImpl implements EventService {
     private final ChooseDAO chooseDAO;
     private final UserDAO userDAO;
     private final CommentDAO commentDAO;
-    private final QuizDAO quizDAO;
     private final QuizStudentAnswerDAO quizStudentAnswerDAO;
 
-    public EventServiceImpl(CourseDAO courseDAO, ChooseDAO chooseDAO, UserDAO userDAO, CommentDAO commentDAO, QuizDAO quizDAO, QuizStudentAnswerDAO quizStudentAnswerDAO) {
+    public EventServiceImpl(CourseDAO courseDAO, ChooseDAO chooseDAO, UserDAO userDAO, CommentDAO commentDAO, QuizStudentAnswerDAO quizStudentAnswerDAO) {
         this.courseDAO = courseDAO;
         this.chooseDAO = chooseDAO;
         this.userDAO = userDAO;
         this.commentDAO = commentDAO;
-        this.quizDAO = quizDAO;
         this.quizStudentAnswerDAO = quizStudentAnswerDAO;
     }
 
     @Transactional(readOnly = true)
     @Override
     public List<EventVO> getAllEvents() {
-//        List<EventVO> eventVOList = Lists.newArrayList();
-//        List<Course> courses = courseDAO.findAll();
-//        courses.forEach(course -> {
-//            Set<Long> studentIds = chooseDAO.findStudentIdsByCourseId(course.getId());
-//            eventVOList.addAll(studentIds.parallelStream()
-//                    .map(studentId -> userDAO.findUserById(studentId))
-//                    .filter(user -> user.getPid() != null)
-//                    .map(user -> EventVO.of(user.getPid(), EventType.LESSON, ))
-//                    .collect(Collectors.toSet()))
-//            studentIds.forEach(studentId -> {
-//                User user = userDAO.findUserById(studentId);
-//                if (user.getPid() != null) {
-//                    eventVOList.addAll();
-//                }
-//            });
-//        });
-//        List<Comment> comments = commentDAO.findAll();
-        return Collections.emptyList();
+        List<EventVO> eventVOList = Lists.newArrayList();
+        List<Course> courses = courseDAO.findAll();
+        courses.forEach(course -> {
+            List<Choose> chooses = chooseDAO.findByCourseId(course.getId());
+            chooses.forEach(
+                    choose -> {
+                        User student = userDAO.findUserById(choose.getStudentId());
+                        if (student.getPid() != null) {
+                            eventVOList.add(new EventVO()
+                                    .setUserId(String.valueOf(student.getPid()))
+                                    .setTime(choose.getChooseAt())
+                                    .setType(EventType.LESSON)
+                                    .setAction(EventAction.PARTICIPATE)
+                                    .setDescription(course.getName())
+                            );
+                        }
+                    }
+            );
+        });
+        List<Comment> comments = commentDAO.findAll();
+        comments.forEach(comment -> {
+            User user = comment.getUser();
+            if (user.getPid() != null && user.getRole() == UserRole.STUDENT) {
+                eventVOList.add(new EventVO()
+                        .setUserId(String.valueOf(user.getPid()))
+                        .setTime(comment.getCreateAt())
+                        .setType(EventType.POST)
+                        .setAction(EventAction.INITIATE)
+                        .setDescription(comment.getTitle())
+                );
+            }
+        });
+        List<QuizStudentAnswer> quizStudentAnswers = quizStudentAnswerDAO.findAll();
+        quizStudentAnswers.forEach(quizStudentAnswer -> {
+            User student = quizStudentAnswer.getStudent();
+            if (student.getPid() != null) {
+                Quiz quiz = quizStudentAnswer.getQuiz();
+                Course course = quiz.getCourse();
+                eventVOList.add(new EventVO()
+                        .setUserId(String.valueOf(student.getPid()))
+                        .setTime(quizStudentAnswer.getSubmitAt())
+                        .setType(EventType.QUIZ)
+                        .setAction(EventAction.COMPLETE)
+                        .setDescription(StrBuilder.create().append(course.getName()).append(";").append(quiz.getName()).toStringAndReset())
+                );
+            }
+        });
+        return eventVOList;
     }
 }

src/main/java/nju/seec/helper/vo/EventVO.java

@@ -1,7 +1,7 @@
 package nju.seec.helper.vo;
 
-import lombok.AllArgsConstructor;
 import lombok.Data;
+import lombok.experimental.Accessors;
 import nju.seec.helper.api.dataanalysis.EventAction;
 import nju.seec.helper.api.dataanalysis.EventType;
 
@@ -11,7 +11,7 @@ import java.time.LocalDateTime;
  * @author cst
  */
 @Data
-@AllArgsConstructor(staticName = "of")
+@Accessors(chain = true)
 public class EventVO {
     private String userId;
     private EventType type;

src/main/resources/application.yml

@@ -1,3 +1,3 @@
-#spring:
-#  profiles:
-#    active: dev
+spring:
+  profiles:
+    active: dev