feat : 내 소리 유사도 확인 로직 구현

src/main/java/com/sosaw/sosaw/domain/customsound/repository/CustomSoundRepository.java

@@ -1,6 +1,7 @@
 package com.sosaw.sosaw.domain.customsound.repository;
 
 import com.sosaw.sosaw.domain.customsound.entity.CustomSound;
+import com.sosaw.sosaw.domain.customsound.repository.projection.SoundMatchRow;
 import com.sosaw.sosaw.domain.customsound.web.dto.SoundsRes;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.data.jpa.repository.Query;
@@ -24,4 +25,25 @@ public interface CustomSoundRepository extends JpaRepository<CustomSound, Long>
 
     // 특정 유저의 커스텀 소리만 조회
     Optional<CustomSound> findByIdAndUserUserId(Long id, Long userId);
+
+    // 유사도가 가장 높은 소리 1가지 추출
+    @Query(value = """
+        SELECT 
+            c.custom_id   AS id,
+            c.custom_name AS customName,
+            c.emoji       AS emoji,
+            c.color       AS color,
+            (1 - (c.mfcc <=> (:mfcc)::vector)) AS similarity,
+            COALESCE(s.alarm_enabled, false) AS alarmEnabled,
+            COALESCE(s.vibration_level, 0)   AS vibration
+        FROM "custom_sound" c
+        LEFT JOIN sound_setting s ON s.custom_id = c.custom_id
+        WHERE c.user_id = :userId
+        ORDER BY c.mfcc <=> (:mfcc)::vector ASC
+        LIMIT 1
+    """, nativeQuery = true)
+    Optional<SoundMatchRow> findTopMatchByUserIdWithSimilarity(
+            @Param("userId") Long userId,
+            @Param("mfcc") String mfccVectorLiteral   // "[0.12, -0.03, ...]" 형태의 문자열
+    );
 }

src/main/java/com/sosaw/sosaw/domain/customsound/repository/projection/SoundMatchRow.java

@@ -0,0 +1,13 @@
+package com.sosaw.sosaw.domain.customsound.repository.projection;
+
+import com.sosaw.sosaw.domain.customsound.entity.enums.Color;
+
+public interface SoundMatchRow {
+    Long getId();
+    String getCustomName();
+    String getEmoji();
+    Color getColor();
+    Double getSimilarity(); // 0.0 ~ 1.0 (cosine similarity)
+    Boolean getAlarmEnabled();    // alarm은 boolean
+    Integer getVibration();
+}

src/main/java/com/sosaw/sosaw/domain/customsound/service/CustomSoundService.java

@@ -1,9 +1,11 @@
 package com.sosaw.sosaw.domain.customsound.service;
 
+import com.sosaw.sosaw.domain.customsound.web.dto.SoundMatchRes;
 import com.sosaw.sosaw.domain.customsound.web.dto.SoundUploadReq;
 import com.sosaw.sosaw.domain.customsound.web.dto.SoundsRes;
 import com.sosaw.sosaw.domain.user.entity.User;
 import jakarta.validation.Valid;
+import org.springframework.web.multipart.MultipartFile;
 
 import java.util.List;
 
@@ -15,4 +17,6 @@ public interface CustomSoundService {
     List<SoundsRes> getAllSounds(User user);
 
     void modify(SoundUploadReq req, Long customSoundId);
+
+    SoundMatchRes match(User user, MultipartFile file);
 }

src/main/java/com/sosaw/sosaw/domain/customsound/service/CustomSoundServiceImpl.java

@@ -1,42 +1,45 @@
 package com.sosaw.sosaw.domain.customsound.service;
 
 import com.sosaw.sosaw.domain.customsound.entity.CustomSound;
-import com.sosaw.sosaw.domain.customsound.exception.FileProcessFailedException;
 import com.sosaw.sosaw.domain.customsound.exception.NotFoundSoundException;
-import com.sosaw.sosaw.domain.customsound.exception.UnsupportedExtensionException;
 import com.sosaw.sosaw.domain.customsound.port.AudioFeatureExtractor;
 import com.sosaw.sosaw.domain.customsound.repository.CustomSoundRepository;
+import com.sosaw.sosaw.domain.customsound.web.dto.SoundMatchRes;
+import com.sosaw.sosaw.domain.customsound.repository.projection.SoundMatchRow;
 import com.sosaw.sosaw.domain.customsound.web.dto.SoundUploadReq;
 import com.sosaw.sosaw.domain.customsound.web.dto.SoundsRes;
 import com.sosaw.sosaw.domain.soundsetting.entity.SoundSetting;
-import com.sosaw.sosaw.domain.soundsetting.entity.enums.SoundKind;
+import com.sosaw.sosaw.domain.soundsetting.repository.SoundSettingRepository;
 import com.sosaw.sosaw.domain.user.entity.User;
-import com.sosaw.sosaw.global.integration.fastapi.PythonMFCCService;
+import com.sosaw.sosaw.domain.user.repository.UserRepository;
 import org.springframework.transaction.annotation.Transactional;
+import com.sosaw.sosaw.domain.user.exception.UserNotFoundException;
+import com.sosaw.sosaw.global.jpa.converter.FloatArrayVectorConverter;
+
 
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
 import org.springframework.web.multipart.MultipartFile;
 
-import java.io.IOException;
-import java.nio.file.Files;
-import java.nio.file.Path;
 import java.util.List;
-import java.util.Optional;
 
 @Service
 @RequiredArgsConstructor
 @Slf4j
 public class CustomSoundServiceImpl implements CustomSoundService{
-    private final PythonMFCCService pythonMFCCService;
     private final CustomSoundRepository customSoundRepository;
     private final AudioFeatureExtractor audioFeatureExtractor; // 포트 주입
+    private final SoundSettingRepository soundSettingRepository;
+    private final UserRepository userRepository;
 
 
     @Override
     @Transactional
     public void upload(SoundUploadReq req, User user) {
+        userRepository.findById(user.getUserId())
+                .orElseThrow(UserNotFoundException::new);
+
         float[] mfcc = audioFeatureExtractor.extractMfcc(req.getFile());
         CustomSound sound = CustomSound.toEntity(user, req, mfcc);
 
@@ -58,6 +61,9 @@ public void delete(Long customSoundId) {
     @Override
     @Transactional(readOnly = true)
     public List<SoundsRes> getAllSounds(User user) {
+        userRepository.findById(user.getUserId())
+                .orElseThrow(UserNotFoundException::new);
+
         return customSoundRepository.findAllByUserId(user.getUserId());
     }
 
@@ -70,4 +76,21 @@ public void modify(SoundUploadReq req, Long customSoundId) {
         sound.replace(req, mfcc);
     }
 
+    @Override
+    public SoundMatchRes match(User user, MultipartFile file) {
+        userRepository.findById(user.getUserId())
+                .orElseThrow(UserNotFoundException::new);
+
+        float[] mfcc = audioFeatureExtractor.extractMfcc(file);
+
+        String literal = FloatArrayVectorConverter.toLiteral(mfcc);
+
+        SoundMatchRow row = customSoundRepository
+                .findTopMatchByUserIdWithSimilarity(user.getUserId(), literal)
+                .orElseThrow(NotFoundSoundException::new);
+        //TODO: 일상생활 소리 탐지와 사용자 소리 어떤 것을 반환할지, 단일 컷 정확도 기준 필요
+        // 일상생활 소리 탐지 부분에서 서비스에서 재공되는 9개의 소리가 아닌 다른 소리 분류시 제외 시켜야 함.
+        return SoundMatchRes.from(row);
+    }
+
 }

src/main/java/com/sosaw/sosaw/domain/customsound/web/controller/CustomSoundController.java

@@ -1,6 +1,7 @@
 package com.sosaw.sosaw.domain.customsound.web.controller;
 
 import com.sosaw.sosaw.domain.customsound.service.CustomSoundService;
+import com.sosaw.sosaw.domain.customsound.web.dto.SoundMatchRes;
 import com.sosaw.sosaw.domain.customsound.web.dto.SoundUploadReq;
 import com.sosaw.sosaw.domain.customsound.web.dto.SoundsRes;
 import com.sosaw.sosaw.domain.user.entity.User;
@@ -12,6 +13,7 @@
 import org.springframework.http.ResponseEntity;
 import org.springframework.security.core.annotation.AuthenticationPrincipal;
 import org.springframework.web.bind.annotation.*;
+import org.springframework.web.multipart.MultipartFile;
 
 import java.util.List;
 
@@ -58,5 +60,15 @@ public ResponseEntity<SuccessResponse<?>> modify(
         return ResponseEntity.status(HttpStatus.OK).body(SuccessResponse.ok(null));
     }
 
+    // 내 소리 탐지
+    @PostMapping("/match")
+    public ResponseEntity<SuccessResponse<SoundMatchRes>> match(
+            @AuthenticationPrincipal CustomUserDetails userDetails,
+            @RequestParam("file") MultipartFile file
+    ){
+        SoundMatchRes res = customSoundService.match(userDetails.getUser(), file);
+        return ResponseEntity.status(HttpStatus.OK).body(SuccessResponse.ok(res));
+    }
+
 }
 

src/main/java/com/sosaw/sosaw/domain/customsound/web/dto/SoundMatchRes.java

@@ -0,0 +1,24 @@
+package com.sosaw.sosaw.domain.customsound.web.dto;
+
+import com.sosaw.sosaw.domain.customsound.entity.enums.Color;
+import com.sosaw.sosaw.domain.customsound.repository.projection.SoundMatchRow;
+
+public record SoundMatchRes(
+        String soundName,
+        String emoji,
+        Color color,
+        double similarity,
+        boolean alarmEnabled,
+        int vibration
+) {
+    public static SoundMatchRes from(SoundMatchRow row){
+        return new SoundMatchRes(
+                row.getCustomName(),
+                row.getEmoji(),
+                row.getColor(),
+                row.getSimilarity(),
+                row.getAlarmEnabled(),
+                row.getVibration()
+        );
+    }
+}

src/main/java/com/sosaw/sosaw/domain/soundsetting/entity/SoundSetting.java

@@ -21,7 +21,7 @@ public class SoundSetting extends BaseEntity {
 
     // 알람 유무
     @Column(name = "alarm_enabled", nullable = false)
-    private boolean alarmEnabled=false;
+    private boolean alarmEnabled=true;
 
     // 진동 종류
     @Column(name = "vibration_level", nullable = false)
@@ -62,7 +62,7 @@ public void changeAlarmEnabled(boolean enabled) {
 
     public static SoundSetting createForCustom(CustomSound customSound) {
         SoundSetting setting = SoundSetting.builder()
-                .alarmEnabled(false)    // 기본값
+                .alarmEnabled(true)    // 기본값
                 .vibrationLevel(1)      // 기본값
                 .soundKind(SoundKind.CUSTOM)
                 .build();

src/main/java/com/sosaw/sosaw/global/jpa/converter/FloatArrayVectorConverter.java

@@ -34,7 +34,7 @@ public float[] convertToEntityAttribute(Object dbData) {
         return parseLiteral(val);
     }
 
-    private static String toLiteral(float[] a) {
+    public static String toLiteral(float[] a) {
         StringBuilder sb = new StringBuilder(a.length * 8 + 2);
         sb.append('[');
         for (int i = 0; i < a.length; i++) {