Feat: 팀 설정을 위한 전체 팀 리스트 조회 API 기능 구현

src/main/java/com/codiary/backend/domain/team/controller/TeamController.java

@@ -14,6 +14,7 @@
 import com.codiary.backend.global.apiPayload.ApiResponse;
 import com.codiary.backend.global.apiPayload.code.status.SuccessStatus;
 import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.security.SecurityRequirement;
 import io.swagger.v3.oas.annotations.tags.Tag;
 import java.util.List;
 import lombok.RequiredArgsConstructor;
@@ -157,4 +158,14 @@ public ApiResponse<String> deleteTeamBannerImage(
         String response = teamService.deleteTeamBannerImage(teamId, memberId);
         return ApiResponse.onSuccess(SuccessStatus.TEAM_OK, response);
     }
+
+
+    @GetMapping("/list")
+    @Operation(summary = "팀 리스트 조회 API", description = "팀 설정을 위한 팀 전체 리스트를 조회합니다.")
+    public ApiResponse<TeamResponseDTO.TeamPreviewListDTO> findTeams(){
+        List<Team> teams = teamService.getTeams();
+        return ApiResponse.onSuccess(SuccessStatus.TEAM_OK, TeamConverter.toTeamPreviewListDTO(teams));
+    }
+
+
 }

src/main/java/com/codiary/backend/domain/team/converter/TeamConverter.java

@@ -9,6 +9,7 @@
 import com.codiary.backend.domain.team.entity.TeamProfileImage;
 import java.util.List;
 import java.util.stream.Collectors;
+import java.util.stream.IntStream;
 
 public class TeamConverter {
     public static TeamResponseDTO.TeamDTO toTeamResponseDto(Team team) {
@@ -96,4 +97,21 @@ public static TeamResponseDTO.TeamImageDTO toTeamImageResponseDTO(TeamBannerImag
                 .url(bannerImage.getImageUrl())
                 .build();
     }
+
+    public static TeamResponseDTO.TeamPreviewDTO toTeamPreviewDTO(Team team) {
+        return TeamResponseDTO.TeamPreviewDTO.builder()
+                .teamId(team.getTeamId())
+                .teamName(team.getName())
+                .build();
+    }
+
+    public static TeamResponseDTO.TeamPreviewListDTO toTeamPreviewListDTO(List<Team> teamList) {
+        List<TeamResponseDTO.TeamPreviewDTO> teamPreviewDTOList = IntStream.range(0, teamList.size())
+                .mapToObj(i->toTeamPreviewDTO(teamList.get(i)))
+                .collect(Collectors.toList());
+        return TeamResponseDTO.TeamPreviewListDTO.builder()
+                .teams(teamPreviewDTOList)
+                .build();
+    }
+
 }

src/main/java/com/codiary/backend/domain/team/dto/response/TeamResponseDTO.java

@@ -7,7 +7,10 @@
 import java.util.List;
 
 import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.AllArgsConstructor;
 import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
 
 public class TeamResponseDTO {
 
@@ -88,4 +91,20 @@ public record TeamMemberDTO(
     public record TeamImageDTO(
             String url) {
     }
+
+
+    @JsonInclude(JsonInclude.Include.NON_NULL)
+    @JsonNaming(PropertyNamingStrategies.SnakeCaseStrategy.class)
+    @Builder
+    public record TeamPreviewDTO (
+        Long teamId,
+        String teamName
+    ){}
+
+    @JsonInclude(JsonInclude.Include.NON_NULL)
+    @JsonNaming(PropertyNamingStrategies.SnakeCaseStrategy.class)
+    @Builder
+    public record TeamPreviewListDTO (
+        List<TeamResponseDTO.TeamPreviewDTO> teams
+    ){}
 }

src/main/java/com/codiary/backend/domain/team/service/TeamService.java

@@ -18,6 +18,7 @@
 import com.codiary.backend.global.common.uuid.UuidRepository;
 import com.codiary.backend.global.s3.AmazonS3Manager;
 import java.util.ArrayList;
+import java.util.List;
 import java.util.UUID;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
@@ -250,4 +251,9 @@ public String deleteTeamBannerImage(Long teamId, Long memberId) {
         // response: 성공을 반환
         return "성공적으로 삭제되었습니다!";
     }
+
+    public List<Team> getTeams() {
+        return teamRepository.findAllByOrderByTeamIdDesc();
+    }
+
 }