src/main/java/com/acquirex/controller/CardAcquisitionController.java

@@ -0,0 +1,44 @@
+package com.acquirex.controller;
+
+import com.acquirex.dto.AcquisitionDto.Request;
+import com.acquirex.dto.AcquisitionDto.Response;
+import com.acquirex.entity.CardAcquisition;
+import com.acquirex.service.CardAcquisitionService;
+import jakarta.validation.Valid;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+/**
+ * 카드 매입 승인 REST API 컨트롤러
+ * Spring Boot 3: @RestController, @RequestMapping 유지
+ */
+@RestController
+@RequestMapping("/api/v1/acquisitions")
+public class CardAcquisitionController {
+
+    private final CardAcquisitionService acquisitionService;
+
+    public CardAcquisitionController(CardAcquisitionService acquisitionService) {
+        this.acquisitionService = acquisitionService;
+    }
+
+    @PostMapping
+    public ResponseEntity<Response> requestAcquisition(@Valid @RequestBody Request request) {
+        Response response = acquisitionService.processAcquisition(request);
+        if ("APPROVED".equals(response.getStatus())) {
+            return ResponseEntity.status(HttpStatus.CREATED).body(response);
+        }
+        return ResponseEntity.status(HttpStatus.BAD_REQUEST).body(response);
+    }
+
+    @GetMapping("/{id}")
+    public ResponseEntity<CardAcquisition> getAcquisition(@PathVariable Long id) {
+        return ResponseEntity.ok(acquisitionService.findById(id));
+    }
+
+    @GetMapping("/approval/{approvalCode}")
+    public ResponseEntity<CardAcquisition> getByApprovalCode(@PathVariable String approvalCode) {
+        return ResponseEntity.ok(acquisitionService.findByApprovalCode(approvalCode));
+    }
+}