goldenChat base source add

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

@@ -0,0 +1,58 @@
+package com.goldenchart.controller;
+
+import com.goldenchart.dto.PaperOrderRequest;
+import com.goldenchart.dto.PaperSummaryDto;
+import com.goldenchart.dto.PaperTradeDto;
+import com.goldenchart.service.PaperTradingService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+import java.util.Map;
+
+@RestController
+@RequestMapping("/paper")
+@RequiredArgsConstructor
+public class PaperTradingController {
+
+    private final PaperTradingService paperTradingService;
+
+    private Long userId(Map<String, String> h) {
+        String v = h.get("x-user-id");
+        return v != null ? Long.parseLong(v) : null;
+    }
+
+    private String deviceId(Map<String, String> h) {
+        return h.getOrDefault("x-device-id", "anonymous");
+    }
+
+    @GetMapping("/summary")
+    public ResponseEntity<PaperSummaryDto> summary(@RequestHeader Map<String, String> h) {
+        return ResponseEntity.ok(paperTradingService.getSummary(userId(h), deviceId(h), null));
+    }
+
+    @PostMapping("/summary")
+    public ResponseEntity<PaperSummaryDto> summaryWithMarks(
+            @RequestHeader Map<String, String> h,
+            @RequestBody(required = false) Map<String, Double> markPrices) {
+        return ResponseEntity.ok(paperTradingService.getSummary(userId(h), deviceId(h), markPrices));
+    }
+
+    @GetMapping("/trades")
+    public ResponseEntity<List<PaperTradeDto>> trades(@RequestHeader Map<String, String> h) {
+        return ResponseEntity.ok(paperTradingService.listTrades(userId(h), deviceId(h)));
+    }
+
+    @PostMapping("/orders")
+    public ResponseEntity<PaperTradeDto> placeOrder(
+            @RequestHeader Map<String, String> h,
+            @RequestBody PaperOrderRequest body) {
+        return ResponseEntity.ok(paperTradingService.placeOrder(userId(h), deviceId(h), body));
+    }
+
+    @PostMapping("/reset")
+    public ResponseEntity<PaperSummaryDto> reset(@RequestHeader Map<String, String> h) {
+        return ResponseEntity.ok(paperTradingService.resetAccount(userId(h), deviceId(h)));
+    }
+}