add showPark function and Combined projects,Perfect logic of showComment

src/main/java/hackathon/Controller/CommentController.java

 package hackathon.Controller;
 
+import hackathon.DTO.RecommendDTO;
 import hackathon.Entity.Comment;
 import hackathon.Service.CommentService;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestBody;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.*;
 
 import java.util.ArrayList;
 
@@ -18,17 +18,15 @@ public class CommentController {
 
     @PostMapping("/comment")
     public String GetCommnet(@RequestBody Comment comment){
+        System.out.println("comment"+comment);
         commentService.addComment(comment);
         return "Comment added successfully";
     }
 
     @PostMapping("/showRec")
-    public ArrayList show(@RequestBody String type){
-        System.out.println(type);
-        ArrayList arrayList = commentService.selectByType(type);
-        System.out.println(arrayList);
-        return arrayList;
-
+    public RecommendDTO show(@RequestBody String type){
+        RecommendDTO recommendDTO = commentService.selectRecommend(type);
+        return recommendDTO;
     }
     @GetMapping("/viewComments")
     public String viewComments(Model model){
@@ -36,6 +34,7 @@ public class CommentController {
         model.addAttribute("comments", comments);
         return "viewComments";
     }
+
     @GetMapping("/comments")
     public ArrayList<Comment> getCommentsByType(@RequestParam String type) {
         return commentService.selectByType(type);