feat: 어드민용 키워드별 추천 포스트 기능 컨트롤러 구현

#1397

backend/src/main/java/wooteco/prolog/roadmap/ui/RecommendedController.java

@@ -0,0 +1,43 @@
+package wooteco.prolog.roadmap.ui;
+
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+import wooteco.prolog.roadmap.application.RecommendedService;
+import wooteco.prolog.roadmap.application.dto.RecommendedRequest;
+import wooteco.prolog.roadmap.application.dto.RecommendedUpdateRequest;
+
+import java.net.URI;
+
+@RestController
+@RequestMapping("/keywords/{keywordId}/recommended-posts")
+public class RecommendedController {
+
+    private final RecommendedService recommendedService;
+
+    public RecommendedController(final RecommendedService recommendedService) {
+        this.recommendedService = recommendedService;
+    }
+
+    @PostMapping
+    public ResponseEntity<Void> createRecommendedPost(@PathVariable("keywordId") Long keywordId,
+                                                      @RequestBody RecommendedRequest request) {
+        final Long id = recommendedService.create(keywordId, request);
+        return ResponseEntity.created(
+            URI.create("/keywords/" + keywordId + "/recommended-posts/" + id)).build();
+    }
+
+    @PutMapping("/{recommendedId}")
+    public ResponseEntity<Void> updateRecommendedPost(@PathVariable("keywordId") Long keywordId,
+                                                      @PathVariable("recommendedId") Long recommendedId,
+                                                      @RequestBody RecommendedUpdateRequest request) {
+        recommendedService.update(recommendedId, request);
+        return ResponseEntity.ok().build();
+    }
+
+    @DeleteMapping("/{recommendedId}")
+    public ResponseEntity<Void> deleteRecommendedPost(@PathVariable("keywordId") Long keywordId,
+                                                      @PathVariable("recommendedId") Long recommendedId) {
+        recommendedService.delete(recommendedId);
+        return ResponseEntity.noContent().build();
+    }
+}