Merge pull request #137 from softeerbootcamp4th/feat/#136-fake-lottery

feat/#136-fake-lottery

Server/src/main/java/JGS/CasperEvent/domain/event/controller/adminController/AdminController.java

@@ -144,7 +144,7 @@ public ResponseEntity<AdminRushEventOptionResponseDto> getRushEventOptions(@Path
                 .status(HttpStatus.OK)
                 .body(adminService.getRushEventOptions(rushEventId));
     }
-  
+
     // 추첨 이벤트 삭제
     @DeleteMapping("/event/lottery")
     public ResponseEntity<Void> deleteLotteryEvent() {
@@ -176,4 +176,12 @@ public ResponseEntity<Void> deleteLotteryEventExpectation(@PathVariable("casperI
 
         return ResponseEntity.noContent().build();
     }
+
+    // 추첨 이벤트 당첨자 추첨
+    @PostMapping("/event/lottery/winner")
+    public ResponseEntity<ResponseDto> pickWinners(){
+        return ResponseEntity
+                .status(HttpStatus.CREATED)
+                .body(adminService.pickWinners());
+    }
 }

Server/src/main/java/JGS/CasperEvent/domain/event/dto/ResponseDto/lotteryEventResponseDto/LotteryEventParticipantsResponseDto.java

@@ -3,7 +3,6 @@
 import JGS.CasperEvent.domain.event.entity.participants.LotteryParticipants;
 
 import java.time.LocalDate;
-import java.time.LocalDateTime;
 import java.time.LocalTime;
 
 public record LotteryEventParticipantsResponseDto(

Server/src/main/java/JGS/CasperEvent/domain/event/dto/ResponseDto/rushEventResponseDto/RushEventParticipantResponseDto.java

@@ -3,7 +3,6 @@
 import JGS.CasperEvent.domain.event.entity.participants.RushParticipants;
 
 import java.time.LocalDate;
-import java.time.LocalDateTime;
 import java.time.LocalTime;
 
 public record RushEventParticipantResponseDto(Long id, String phoneNumber,

Server/src/main/java/JGS/CasperEvent/domain/event/entity/participants/LotteryParticipants.java

@@ -1,13 +1,14 @@
 package JGS.CasperEvent.domain.event.entity.participants;
 
+import JGS.CasperEvent.global.entity.BaseEntity;
 import JGS.CasperEvent.global.entity.BaseUser;
 import com.fasterxml.jackson.annotation.JsonBackReference;
 import jakarta.persistence.*;
 import lombok.Getter;
 
 @Getter
 @Entity
-public class LotteryParticipants {
+public class LotteryParticipants extends BaseEntity {
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long id;
@@ -33,7 +34,7 @@ public LotteryParticipants() {
     }
 
     public void expectationAdded() {
-        if(expectations == 0) expectations++;
+        if (expectations == 0) expectations++;
         appliedCount = Math.min(10, 1 + expectations + linkClickedCount);
     }
 

Server/src/main/java/JGS/CasperEvent/domain/event/entity/participants/LotteryWinners.java

@@ -0,0 +1,32 @@
+package JGS.CasperEvent.domain.event.entity.participants;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.Id;
+
+import java.time.LocalDateTime;
+
+@Entity
+public class LotteryWinners {
+    @Id
+    private long id;
+    private String phoneNumber;
+    private int linkClickedCount;
+    private int expectation;
+    private int appliedCount;
+    private LocalDateTime createdAt;
+    private LocalDateTime updatedAt;
+
+    public  LotteryWinners(LotteryParticipants lotteryParticipants) {
+        this.id = lotteryParticipants.getId();
+        this.phoneNumber = lotteryParticipants.getBaseUser().getId();
+        this.linkClickedCount = lotteryParticipants.getLinkClickedCount();
+        this.expectation = lotteryParticipants.getExpectations();
+        this.appliedCount = lotteryParticipants.getAppliedCount();
+        this.createdAt = lotteryParticipants.getCreatedAt();
+        this.updatedAt = lotteryParticipants.getUpdatedAt();
+    }
+
+    public LotteryWinners() {
+
+    }
+}

Server/src/main/java/JGS/CasperEvent/domain/event/repository/participantsRepository/LotteryWinnerRepository.java

@@ -0,0 +1,9 @@
+package JGS.CasperEvent.domain.event.repository.participantsRepository;
+
+import JGS.CasperEvent.domain.event.entity.participants.LotteryWinners;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface LotteryWinnerRepository extends JpaRepository<LotteryWinners, Long> {
+}

Server/src/main/java/JGS/CasperEvent/domain/event/service/adminService/AdminService.java

@@ -16,13 +16,15 @@
 import JGS.CasperEvent.domain.event.entity.event.RushEvent;
 import JGS.CasperEvent.domain.event.entity.event.RushOption;
 import JGS.CasperEvent.domain.event.entity.participants.LotteryParticipants;
+import JGS.CasperEvent.domain.event.entity.participants.LotteryWinners;
 import JGS.CasperEvent.domain.event.entity.participants.RushParticipants;
 import JGS.CasperEvent.domain.event.repository.AdminRepository;
 import JGS.CasperEvent.domain.event.repository.CasperBotRepository;
 import JGS.CasperEvent.domain.event.repository.eventRepository.LotteryEventRepository;
 import JGS.CasperEvent.domain.event.repository.eventRepository.RushEventRepository;
 import JGS.CasperEvent.domain.event.repository.eventRepository.RushOptionRepository;
 import JGS.CasperEvent.domain.event.repository.participantsRepository.LotteryParticipantsRepository;
+import JGS.CasperEvent.domain.event.repository.participantsRepository.LotteryWinnerRepository;
 import JGS.CasperEvent.domain.event.repository.participantsRepository.RushParticipantsRepository;
 import JGS.CasperEvent.global.enums.CustomErrorCode;
 import JGS.CasperEvent.global.enums.Position;
@@ -58,6 +60,7 @@ public class AdminService {
     private final RushOptionRepository rushOptionRepository;
     private final S3Service s3Service;
     private final CasperBotRepository casperBotRepository;
+    private final LotteryWinnerRepository lotteryWinnerRepository;
 
     public Admin verifyAdmin(AdminRequestDto adminRequestDto) {
         return adminRepository.findByIdAndPassword(adminRequestDto.getAdminId(), adminRequestDto.getPassword()).orElseThrow(NoSuchElementException::new);
@@ -316,6 +319,24 @@ private LotteryEvent getCurrentLotteryEvent() {
         return lotteryEventList.get(0);
     }
 
+    @Transactional
+    public ResponseDto pickWinners() {
+        if(lotteryWinnerRepository.count() > 1) throw new CustomException(CustomErrorCode.LOTTERY_EVENT_ALREADY_DRAWN);
+        LotteryEvent lotteryEvent = getCurrentLotteryEvent();
+
+        int winnerCount = lotteryEvent.getWinnerCount();
+
+        Pageable pageable = PageRequest.of(0, winnerCount);
+
+        //todo 당첨자 추첨 알고리즘 변경해야함
+        Page<LotteryParticipants> lotteryWinners = lotteryParticipantsRepository.findAll(pageable);
+        for (LotteryParticipants lotteryWinner : lotteryWinners) {
+            lotteryWinnerRepository.save(new LotteryWinners(lotteryWinner));
+        }
+
+        return new ResponseDto("추첨이 완료되었습니다.");
+    }
+
     @Transactional
     public List<AdminRushEventResponseDto> updateRushEvents(List<RushEventRequestDto> rushEventRequestDtoList) {
         LocalDateTime now = LocalDateTime.now();

Server/src/main/java/JGS/CasperEvent/global/enums/CustomErrorCode.java

@@ -29,7 +29,8 @@ public enum CustomErrorCode {
     EVENT_BEFORE_START_TIME("이벤트 시작 시간은 현재 시간 이후로 설정해야 합니다.", 400),
     EVENT_END_TIME_BEFORE_START_TIME("종료 시간은 시작 시간 이후로 설정해야 합니다.", 400),
     INVALID_RUSH_EVENT_OPTION("밸런스 게임 선택지가 유효하지 않습니다."),
-    EVENT_IN_PROGRESS_CANNOT_DELETE("진행중인 이벤트를 삭제할 수 없습니다.", 409);
+    EVENT_IN_PROGRESS_CANNOT_DELETE("진행중인 이벤트를 삭제할 수 없습니다.", 409),
+    LOTTERY_EVENT_ALREADY_DRAWN("추첨 이벤트의 당첨자가 이미 추첨되었습니다.", 409),;