추세검색 화면 적용

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

@@ -0,0 +1,41 @@
+package com.goldenchart.controller;
+
+import com.goldenchart.dto.TrendSearchRequest;
+import com.goldenchart.dto.TrendSearchResultDto;
+import com.goldenchart.service.TrendSearchService;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+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
+ */
+@RestController
+@RequestMapping("/trend-search")
+@RequiredArgsConstructor
+@Slf4j
+public class TrendSearchController {
+
+    private final TrendSearchService trendSearchService;
+
+    @PostMapping("/scan")
+    public ResponseEntity<List<TrendSearchResultDto>> scan(@RequestBody TrendSearchRequest request) {
+        log.info("[TrendSearch] scan tf={} limit={}", request.getTimeframe(), request.getLimit());
+        return ResponseEntity.ok(trendSearchService.scan(request));
+    }
+
+    @GetMapping("/detail")
+    public ResponseEntity<TrendSearchResultDto> detail(
+            @RequestParam String market,
+            @RequestParam(required = false) String timeframe) {
+        TrendSearchRequest req = new TrendSearchRequest();
+        if (timeframe != null) req.setTimeframe(timeframe);
+        return ResponseEntity.ok(trendSearchService.detail(market, req));
+    }
+}