[feat] #139 페스티벌 공동 호스트 추가 API 구현

src/main/java/org/festimate/team/api/admin/AdminController.java

@@ -2,10 +2,7 @@
 
 import lombok.RequiredArgsConstructor;
 import org.festimate.team.api.admin.dto.*;
-import org.festimate.team.api.facade.FestivalFacade;
-import org.festimate.team.api.facade.MatchingFacade;
-import org.festimate.team.api.facade.ParticipantFacade;
-import org.festimate.team.api.facade.PointFacade;
+import org.festimate.team.api.facade.*;
 import org.festimate.team.api.point.dto.PointHistoryResponse;
 import org.festimate.team.global.response.ApiResponse;
 import org.festimate.team.global.response.ResponseBuilder;
@@ -21,6 +18,7 @@
 public class AdminController {
     private final JwtService jwtService;
     private final FestivalFacade festivalFacade;
+    private final FestivalHostFacade festivalHostFacade;
     private final ParticipantFacade participantFacade;
     private final PointFacade pointFacade;
     private final MatchingFacade matchingFacade;
@@ -77,6 +75,17 @@ public ResponseEntity<ApiResponse<Void>> rechargePoints(
         return ResponseBuilder.ok(null);
     }
 
+    @PostMapping("/{festivalId}/hosts")
+    public ResponseEntity<ApiResponse<Void>> addHost(
+            @RequestHeader("Authorization") String accessToken,
+            @PathVariable("festivalId") Long festivalId,
+            @RequestBody AddHostRequest request
+    ) {
+        Long userId = jwtService.parseTokenAndGetUserId(accessToken);
+        festivalHostFacade.addHost(userId, festivalId, request);
+        return ResponseBuilder.created(null);
+    }
+
     @GetMapping("/{festivalId}/participants/{participantId}/points")
     public ResponseEntity<ApiResponse<PointHistoryResponse>> getParticipantPointHistory(
             @RequestHeader("Authorization") String accessToken,

src/main/java/org/festimate/team/api/admin/dto/AddHostRequest.java

@@ -0,0 +1,6 @@
+package org.festimate.team.api.admin.dto;
+
+public record AddHostRequest(
+        long participantId
+) {
+}

src/main/java/org/festimate/team/api/facade/FestivalHostFacade.java

@@ -0,0 +1,33 @@
+package org.festimate.team.api.facade;
+
+import lombok.RequiredArgsConstructor;
+import org.festimate.team.api.admin.dto.AddHostRequest;
+import org.festimate.team.domain.festival.entity.Festival;
+import org.festimate.team.domain.festival.service.FestivalService;
+import org.festimate.team.domain.festivalHost.service.FestivalHostService;
+import org.festimate.team.domain.participant.entity.Participant;
+import org.festimate.team.domain.participant.service.ParticipantService;
+import org.festimate.team.domain.user.entity.User;
+import org.festimate.team.domain.user.service.UserService;
+import org.springframework.stereotype.Component;
+import org.springframework.transaction.annotation.Transactional;
+
+@Component
+@RequiredArgsConstructor
+public class FestivalHostFacade {
+    private final UserService userService;
+    private final FestivalService festivalService;
+    private final FestivalHostService festivalHostService;
+    private final ParticipantService participantService;
+
+    @Transactional
+    public void addHost(Long userId, Long festivalId, AddHostRequest request) {
+        User host = userService.getUserByIdOrThrow(userId);
+        Festival festival = festivalService.getFestivalByIdOrThrow(festivalId);
+        festivalService.isHost(host, festival);
+
+        Participant participant = participantService.getParticipantById(request.participantId());
+        User newHost = participant.getUser();
+        festivalHostService.addHost(newHost, festival);
+    }
+}

src/main/java/org/festimate/team/domain/festival/entity/Festival.java

@@ -5,6 +5,7 @@
 import lombok.Builder;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
+import org.festimate.team.domain.festivalHost.entity.FestivalHost;
 import org.festimate.team.domain.matching.entity.Matching;
 import org.festimate.team.domain.participant.entity.Participant;
 import org.festimate.team.domain.user.entity.User;

src/main/java/org/festimate/team/domain/festival/entity/FestivalHost.java → src/main/java/org/festimate/team/domain/festivalHost/entity/FestivalHost.java

@@ -1,10 +1,11 @@
-package org.festimate.team.domain.festival.entity;
+package org.festimate.team.domain.festivalHost.entity;
 
 import jakarta.persistence.*;
 import lombok.AccessLevel;
 import lombok.Builder;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
+import org.festimate.team.domain.festival.entity.Festival;
 import org.festimate.team.domain.user.entity.User;
 
 import java.time.LocalDateTime;

src/main/java/org/festimate/team/domain/festivalHost/repository/FestivalHostRepository.java

@@ -0,0 +1,8 @@
+package org.festimate.team.domain.festivalHost.repository;
+
+import org.festimate.team.domain.festivalHost.entity.FestivalHost;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface FestivalHostRepository extends JpaRepository<FestivalHost, Long> {
+
+}

src/main/java/org/festimate/team/domain/festivalHost/service/FestivalHostService.java

@@ -0,0 +1,10 @@
+package org.festimate.team.domain.festivalHost.service;
+
+import org.festimate.team.domain.festival.entity.Festival;
+import org.festimate.team.domain.user.entity.User;
+import org.springframework.transaction.annotation.Transactional;
+
+public interface FestivalHostService {
+    @Transactional
+    void addHost(User newHost, Festival festival);
+}

src/main/java/org/festimate/team/domain/festivalHost/service/impl/FestivalHostServiceImpl.java

@@ -0,0 +1,30 @@
+package org.festimate.team.domain.festivalHost.service.impl;
+
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.festimate.team.domain.festival.entity.Festival;
+import org.festimate.team.domain.festivalHost.entity.FestivalHost;
+import org.festimate.team.domain.festivalHost.repository.FestivalHostRepository;
+import org.festimate.team.domain.festivalHost.service.FestivalHostService;
+import org.festimate.team.domain.user.entity.User;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@Service
+@RequiredArgsConstructor
+@Slf4j
+public class FestivalHostServiceImpl implements FestivalHostService {
+
+    private final FestivalHostRepository festivalHostRepository;
+
+    @Transactional
+    @Override
+    public void addHost(User newHost, Festival festival) {
+        FestivalHost newFestivalHost = FestivalHost.builder()
+                .festival(festival)
+                .host(newHost)
+                .build();
+
+        festivalHostRepository.save(newFestivalHost);
+    }
+}

src/test/java/org/festimate/team/common/mock/MockFactory.java

@@ -2,7 +2,7 @@
 
 import org.festimate.team.domain.festival.entity.Category;
 import org.festimate.team.domain.festival.entity.Festival;
-import org.festimate.team.domain.festival.entity.FestivalHost;
+import org.festimate.team.domain.festivalHost.entity.FestivalHost;
 import org.festimate.team.domain.participant.entity.Participant;
 import org.festimate.team.domain.participant.entity.TypeResult;
 import org.festimate.team.domain.user.entity.*;