추세검색 설정 수정

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

@@ -2,7 +2,9 @@ package com.goldenchart.controller;
 
 import com.goldenchart.dto.TrendSearchRequest;
 import com.goldenchart.dto.TrendSearchResultDto;
+import com.goldenchart.dto.TrendSearchResultsResponse;
 import com.goldenchart.service.TrendSearchService;
+import com.goldenchart.service.TrendSearchSnapshotService;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.http.ResponseEntity;
@@ -13,8 +15,9 @@ import java.util.List;
 /**
  * 암호화폐 추세검색 API.
  *
- * POST /api/trend-search/scan — 조건 스캔
- * GET  /api/trend-search/detail?market=KRW-BTC — 단일 종목 상세
+ * POST /api/trend-search/scan    — 조건 스캔 후 DB 스냅샷 갱신
+ * GET  /api/trend-search/results — DB 스냅샷 조회 (자동 갱신 화면용)
+ * GET  /api/trend-search/detail  — 단일 종목 상세
  */
 @RestController
 @RequestMapping("/trend-search")
@@ -23,11 +26,24 @@ import java.util.List;
 public class TrendSearchController {
 
     private final TrendSearchService trendSearchService;
+    private final TrendSearchSnapshotService snapshotService;
 
     @PostMapping("/scan")
-    public ResponseEntity<List<TrendSearchResultDto>> scan(@RequestBody TrendSearchRequest request) {
+    public ResponseEntity<List<TrendSearchResultDto>> scan(
+            @RequestHeader(value = "X-User-Id", required = false) String userIdHeader,
+            @RequestHeader(value = "X-Device-Id", required = false) String deviceId,
+            @RequestBody TrendSearchRequest request) {
         log.info("[TrendSearch] scan tf={} limit={}", request.getTimeframe(), request.getLimit());
-        return ResponseEntity.ok(trendSearchService.scan(request));
+        Long userId = parseUserId(userIdHeader);
+        return ResponseEntity.ok(snapshotService.scanAndPersist(userId, deviceId, request));
+    }
+
+    @GetMapping("/results")
+    public ResponseEntity<TrendSearchResultsResponse> results(
+            @RequestHeader(value = "X-User-Id", required = false) String userIdHeader,
+            @RequestHeader(value = "X-Device-Id", required = false) String deviceId) {
+        Long userId = parseUserId(userIdHeader);
+        return ResponseEntity.ok(snapshotService.getResults(userId, deviceId));
     }
 
     @GetMapping("/detail")
@@ -38,4 +54,13 @@ public class TrendSearchController {
         if (timeframe != null) req.setTimeframe(timeframe);
         return ResponseEntity.ok(trendSearchService.detail(market, req));
     }
+
+    private Long parseUserId(String header) {
+        if (header == null || header.isBlank()) return null;
+        try {
+            return Long.parseLong(header);
+        } catch (NumberFormatException e) {
+            return null;
+        }
+    }
 }