설정 db 저장

backend/src/main/java/com/goldenchart/controller/BacktestSettingsController.java

@@ -16,14 +16,25 @@ public class BacktestSettingsController {
 
     @GetMapping
     public ResponseEntity<BacktestSettingsDto> get(
+            @RequestHeader(value = "X-User-Id", required = false) String userIdHeader,
             @RequestHeader(value = "X-Device-Id", defaultValue = "default") String deviceId) {
-        return ResponseEntity.ok(service.get(deviceId));
+        return ResponseEntity.ok(service.get(parseUserId(userIdHeader), deviceId));
     }
 
     @PostMapping
     public ResponseEntity<BacktestSettingsDto> save(
+            @RequestHeader(value = "X-User-Id", required = false) String userIdHeader,
             @RequestHeader(value = "X-Device-Id", defaultValue = "default") String deviceId,
             @RequestBody BacktestSettingsDto dto) {
-        return ResponseEntity.ok(service.save(deviceId, dto));
+        return ResponseEntity.ok(service.save(parseUserId(userIdHeader), deviceId, dto));
+    }
+
+    private Long parseUserId(String header) {
+        if (header == null || header.isBlank()) return null;
+        try {
+            return Long.parseLong(header);
+        } catch (NumberFormatException e) {
+            return null;
+        }
     }
 }

backend/src/main/java/com/goldenchart/entity/GcBacktestSettings.java

@@ -22,6 +22,9 @@ public class GcBacktestSettings {
     @Column(name = "device_id", length = 100)
     private String deviceId;
 
+    @Column(name = "user_id")
+    private Long userId;
+
     // ── 자본 설정 ──────────────────────────────────────────────────────────────
     @Column(name = "initial_capital", nullable = false, precision = 20, scale = 2)
     @Builder.Default

backend/src/main/java/com/goldenchart/repository/GcBacktestSettingsRepository.java

@@ -7,4 +7,6 @@ import java.util.Optional;
 
 public interface GcBacktestSettingsRepository extends JpaRepository<GcBacktestSettings, Long> {
     Optional<GcBacktestSettings> findFirstByDeviceIdOrderByUpdatedAtDesc(String deviceId);
+
+    Optional<GcBacktestSettings> findFirstByUserIdOrderByUpdatedAtDesc(Long userId);
 }

backend/src/main/java/com/goldenchart/service/BacktestSettingsService.java

@@ -3,32 +3,99 @@ package com.goldenchart.service;
 import com.goldenchart.dto.BacktestSettingsDto;
 import com.goldenchart.entity.GcBacktestSettings;
 import com.goldenchart.repository.GcBacktestSettingsRepository;
+import com.goldenchart.trading.TradingAccess;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
+import java.util.Optional;
+
 @Service
 @RequiredArgsConstructor
 public class BacktestSettingsService {
 
     private final GcBacktestSettingsRepository repo;
 
-    /** device_id 기준 설정 조회 — 없으면 기본값 반환 */
+    /** userId 우선, 없으면 deviceId — 레거시 user:{id}·기기별 행 자동 승격 */
     @Transactional(readOnly = true)
-    public BacktestSettingsDto get(String deviceId) {
-        return repo.findFirstByDeviceIdOrderByUpdatedAtDesc(deviceId)
+    public BacktestSettingsDto get(Long userId, String deviceId) {
+        return findEntity(userId, deviceId)
                 .map(this::toDto)
                 .orElseGet(BacktestSettingsDto::new);
     }
 
-    /** upsert — 기존 설정이 있으면 덮어쓰기, 없으면 새 행 삽입 */
-    @Transactional
-    public BacktestSettingsDto save(String deviceId, BacktestSettingsDto dto) {
-        GcBacktestSettings entity = repo
-                .findFirstByDeviceIdOrderByUpdatedAtDesc(deviceId)
-                .orElseGet(GcBacktestSettings::new);
+    /**
+     * 레거시 호출 — scopeKey가 {@code user:{userId}} 이면 userId 조회로 위임.
+     */
+    @Transactional(readOnly = true)
+    public BacktestSettingsDto get(String scopeKey) {
+        if (scopeKey != null && scopeKey.startsWith("user:")) {
+            try {
+                long uid = Long.parseLong(scopeKey.substring(5));
+                return get(uid, null);
+            } catch (NumberFormatException ignored) {
+                /* fall through */
+            }
+        }
+        return get(null, scopeKey);
+    }
 
-        entity.setDeviceId(deviceId);
+    @Transactional
+    public BacktestSettingsDto save(Long userId, String deviceId, BacktestSettingsDto dto) {
+        GcBacktestSettings entity = findOrCreate(userId, deviceId);
+        applyFields(entity, dto, userId, deviceId);
+        return toDto(repo.save(entity));
+    }
+
+    // ── 조회·생성 ─────────────────────────────────────────────────────────────
+
+    private Optional<GcBacktestSettings> findEntity(Long userId, String deviceId) {
+        if (userId != null && userId > 0) {
+            Optional<GcBacktestSettings> byUser = repo.findFirstByUserIdOrderByUpdatedAtDesc(userId);
+            if (byUser.isPresent()) return byUser;
+
+            if (deviceId != null && !deviceId.isBlank()) {
+                Optional<GcBacktestSettings> byDevice = repo.findFirstByDeviceIdOrderByUpdatedAtDesc(deviceId);
+                if (byDevice.isPresent()) {
+                    return Optional.of(promoteToUser(byDevice.get(), userId));
+                }
+            }
+
+            Optional<GcBacktestSettings> legacy = repo.findFirstByDeviceIdOrderByUpdatedAtDesc(
+                    TradingAccess.accountDeviceKey(userId));
+            if (legacy.isPresent()) {
+                return Optional.of(promoteToUser(legacy.get(), userId));
+            }
+            return Optional.empty();
+        }
+        if (deviceId != null && !deviceId.isBlank()) {
+            return repo.findFirstByDeviceIdOrderByUpdatedAtDesc(deviceId);
+        }
+        return Optional.empty();
+    }
+
+    private GcBacktestSettings findOrCreate(Long userId, String deviceId) {
+        return findEntity(userId, deviceId)
+                .orElseGet(() -> GcBacktestSettings.builder()
+                        .userId(userId != null && userId > 0 ? userId : null)
+                        .deviceId(deviceId)
+                        .build());
+    }
+
+    /** 기기별 행을 로그인 사용자 소유로 1회 승격 (다른 PC와 공유) */
+    private GcBacktestSettings promoteToUser(GcBacktestSettings entity, Long userId) {
+        entity.setUserId(userId);
+        return repo.save(entity);
+    }
+
+    private void applyFields(GcBacktestSettings entity, BacktestSettingsDto dto,
+                           Long userId, String deviceId) {
+        if (userId != null && userId > 0) {
+            entity.setUserId(userId);
+        }
+        if (deviceId != null && !deviceId.isBlank()) {
+            entity.setDeviceId(deviceId);
+        }
         entity.setInitialCapital(dto.getInitialCapital());
         entity.setCommissionType(dto.getCommissionType());
         entity.setCommissionRate(dto.getCommissionRate());
@@ -58,8 +125,6 @@ public class BacktestSettingsService {
                 "SCAN_SIGNALS".equals(dto.getTradeExecutionMode())
                         ? "SCAN_SIGNALS"
                         : "BACKTEST_ENGINE");
-
-        return toDto(repo.save(entity));
     }
 
     // ── 변환 헬퍼 ─────────────────────────────────────────────────────────────

backend/src/main/java/com/goldenchart/service/LiveRiskMonitorService.java

@@ -95,7 +95,7 @@ public class LiveRiskMonitorService {
             GcAppSettings app = appSettingsRepo.findByUserId(userId).orElse(null);
             if (app == null) continue;
 
-            BacktestSettingsDto risk = backtestSettingsService.get(cacheKey);
+            BacktestSettingsDto risk = backtestSettingsService.get(userId, null);
             double avg = pos[1];
             double pnlPct = (tradePrice - avg) / avg * 100.0;
 

backend/src/main/java/com/goldenchart/service/LiveStrategyEvaluator.java

@@ -389,11 +389,8 @@ public class LiveStrategyEvaluator {
             if (!globalLive && Boolean.TRUE.equals(s.getIsLiveCheck())) {
                 return s.getPositionMode() != null ? s.getPositionMode() : "LONG_ONLY";
             }
-            String deviceKey = s.getUserId() != null
-                    ? TradingAccess.accountDeviceKey(s.getUserId())
-                    : s.getDeviceId();
-            if (deviceKey != null && !deviceKey.isBlank()) {
-                BacktestSettingsDto bt = backtestSettingsService.get(deviceKey);
+            if (s.getUserId() != null || (s.getDeviceId() != null && !s.getDeviceId().isBlank())) {
+                BacktestSettingsDto bt = backtestSettingsService.get(s.getUserId(), s.getDeviceId());
                 if (bt.getPositionMode() != null) {
                     return "SIGNAL_ONLY".equals(bt.getPositionMode()) ? "SIGNAL_ONLY" : "LONG_ONLY";
                 }

backend/src/main/java/com/goldenchart/trading/pipeline/RealtimePositionMonitor.java

@@ -75,7 +75,7 @@ public class RealtimePositionMonitor {
             double avg = pos.getAvgPrice().doubleValue();
             if (avg <= 0) continue;
 
-            BacktestSettingsDto risk = backtestSettingsService.get(TradingAccess.accountDeviceKey(userId));
+            BacktestSettingsDto risk = backtestSettingsService.get(userId, null);
             double pnlPct = (tradePrice - avg) / avg * 100.0;
 
             if (Boolean.TRUE.equals(risk.getStopLossEnabled())

backend/src/main/resources/db/migration/V70__backtest_settings_user_id.sql

@@ -0,0 +1,11 @@
+-- 백테스트 설정: 로그인 사용자(user_id) 단위 공유 (기존 device_id 전용 → AppSettings와 동일 패턴)
+ALTER TABLE gc_backtest_settings
+    ADD COLUMN user_id BIGINT NULL AFTER device_id;
+
+-- 레거시 user:{id} device_id 행 → user_id 승격
+UPDATE gc_backtest_settings
+SET user_id = CAST(SUBSTRING(device_id, 6) AS UNSIGNED)
+WHERE device_id LIKE 'user:%'
+  AND user_id IS NULL;
+
+CREATE INDEX idx_gc_backtest_settings_user_id ON gc_backtest_settings (user_id);