✨ feat: add user level progress api

backend/streetdrop-api/src/main/java/com/depromeet/domains/item/repository/ItemRepository.java

@@ -1,6 +1,7 @@
 package com.depromeet.domains.item.repository;
 
 import com.depromeet.item.Item;
+import com.depromeet.user.User;
 import org.locationtech.jts.geom.Point;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.data.jpa.repository.Query;
@@ -21,4 +22,5 @@ public interface ItemRepository extends JpaRepository<Item, Long>, QueryDslItemR
     @Query("SELECT i FROM Item i JOIN FETCH i.itemLocation JOIN FETCH i.user JOIN FETCH i.song WHERE i.id = :itemId")
     Optional<Item> findById(@Param("itemId") Long itemId);
 
+    Long countByUser(User user);
 }

backend/streetdrop-api/src/main/java/com/depromeet/domains/level/data/LevelPolicy.java

@@ -16,4 +16,13 @@ public enum LevelPolicy {
     private final Long level;
     private final Long dropCountStart;
     private final Long dropCountEnd;
+
+    public static LevelPolicy getNextLevel(LevelPolicy currentLevel){
+        int nextIndex = currentLevel.ordinal() + 1;
+        if (nextIndex < LevelPolicy.values().length) {
+            return LevelPolicy.values()[nextIndex];
+        } else {
+            return currentLevel;
+        }
+    }
 }

backend/streetdrop-api/src/main/java/com/depromeet/domains/user/controller/UserController.java

@@ -3,6 +3,7 @@
 import com.depromeet.common.dto.ResponseDto;
 import com.depromeet.domains.user.dto.request.NicknameChangeDto;
 import com.depromeet.domains.user.dto.response.UserDistanceResponseDto;
+import com.depromeet.domains.user.dto.response.UserLevelProgressDto;
 import com.depromeet.domains.user.dto.response.UserLevelResponseDto;
 import com.depromeet.domains.user.dto.response.UserResponseDto;
 import com.depromeet.domains.user.service.UserLevelService;
@@ -68,6 +69,15 @@ public ResponseEntity<UserLevelResponseDto> getUserLevel(@ReqUser User user) {
         return ResponseDto.ok(response);
     }
 
+    @Operation(summary = "사용자 레벨 진행사항 조회")
+    @ApiResponse(responseCode = "200", description = "사용자 레벨 진행사항 조회 성공")
+    @ApiErrorResponse(errorCode = "COMMON_NOT_FOUND", description = "사용자 유저 레벨이 존재하지 않음")
+    @GetMapping("/me/level/progress")
+    public ResponseEntity<UserLevelProgressDto> getUserLevelProgress(@ReqUser User user) {
+        var response = userLevelService.getUserLevelProgress(user);
+        return ResponseDto.ok(response);
+    }
+
     @Operation(summary = "사용자 반경 조회")
     @ApiResponse(responseCode = "200", description = "사용자 반경 조회 성공")
     @GetMapping("/me/distance")

backend/streetdrop-api/src/main/java/com/depromeet/domains/user/dto/response/UserLevelProgressDto.java

@@ -0,0 +1,22 @@
+package com.depromeet.domains.user.dto.response;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@NoArgsConstructor
+@AllArgsConstructor
+@Getter
+public class UserLevelProgressDto {
+    @Schema(description = "노출 여부", example = "true")
+    private Boolean isShow;
+    @Schema(description = "남은 횟수를 나타냅니다.", example = "1")
+    private Long remainCount;
+    @Schema(description = "드롭된 횟수를 나타냅니다.", example = "4")
+    private Long dropCount;
+    @Schema(description = "레벨 업이 되는 횟수를 나타냅니다.", example = "5")
+    private Long levelUpCount;
+    @Schema(description = "팁 메시지를 나타냅니다.", example = "레벨업하면 음악을 들을 수 있는 반경이 넓어져요!")
+    private String tip;
+}

backend/streetdrop-api/src/main/java/com/depromeet/domains/user/service/UserLevelService.java

@@ -2,24 +2,47 @@
 
 import com.depromeet.common.error.dto.CommonErrorCode;
 import com.depromeet.common.error.exception.internal.NotFoundException;
+import com.depromeet.domains.item.repository.ItemRepository;
+import com.depromeet.domains.level.data.LevelPolicy;
+import com.depromeet.domains.user.dto.response.UserLevelProgressDto;
 import com.depromeet.domains.user.dto.response.UserLevelResponseDto;
 import com.depromeet.domains.user.repository.UserLevelRepository;
 import com.depromeet.user.User;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
+import java.util.Arrays;
+
+import static com.depromeet.domains.level.data.LevelPolicy.getNextLevel;
+
 @RequiredArgsConstructor
 @Service
 public class UserLevelService {
 
 	private final UserLevelRepository userLevelRepository;
+	private final ItemRepository itemRepository;
 
 	@Transactional(readOnly = true)
 	public UserLevelResponseDto getUserLevel(User user) {
 		var level = userLevelRepository.findById(user.getUserLevelId())
 				.orElseThrow(() -> new NotFoundException(CommonErrorCode.NOT_FOUND, user.getUserLevelId()));
 		return new UserLevelResponseDto(user, level);
 	}
+
+	@Transactional(readOnly = true)
+	public UserLevelProgressDto getUserLevelProgress(User user) {
+		Long dropCount = itemRepository.countByUser(user);
+		var currentLevel = Arrays.stream(LevelPolicy.values())
+				.filter(policy -> dropCount >= policy.getDropCountStart() && dropCount < policy.getDropCountEnd())
+				.findFirst()
+				.orElse(LevelPolicy.LEVEL_1);
+		LevelPolicy nextLevel = getNextLevel(currentLevel);
+		var remainCount = nextLevel.getDropCountStart() - dropCount;
+		var isShow = !(currentLevel == LevelPolicy.LEVEL_3);
+		var tipMessage = "레벨업하면 음악을 들을 수 있는 반경이 넓어져요!";
+		return new UserLevelProgressDto(isShow, remainCount, dropCount, nextLevel.getDropCountStart(), tipMessage);
+	}
+
 }