✨ Feat: 트리하우스 정보를 조회하는 API 추가

src/main/java/treehouse/server/api/treehouse/business/TreehouseMapper.java

@@ -20,4 +20,13 @@ public static TreehouseResponseDTO.createTreehouse toCreateTreehouse(TreeHouse t
                 .treehouseId(treehouse.getId())
                 .build();
     }
+
+    public static TreehouseResponseDTO.getTreehouseDetails toGetTreehouseDetails(TreeHouse treehouse) {
+        return TreehouseResponseDTO.getTreehouseDetails.builder()
+                .treehouseId(treehouse.getId())
+                .treehouseName(treehouse.getName())
+                .treehouseSize(treehouse.getMemberList().size())
+                .treehouseImageUrl(null) //TODO: 이미지 URL 설정
+                .build();
+    }
 }

src/main/java/treehouse/server/api/treehouse/business/TreehouseService.java

@@ -6,6 +6,7 @@
 import org.springframework.transaction.annotation.Transactional;
 import treehouse.server.api.member.implementation.MemberQueryAdapter;
 import treehouse.server.api.treehouse.implementation.TreehouseCommandAdapter;
+import treehouse.server.api.treehouse.implementation.TreehouseQueryAdapter;
 import treehouse.server.api.treehouse.presentation.dto.TreehouseRequestDTO;
 import treehouse.server.api.treehouse.presentation.dto.TreehouseResponseDTO;
 import treehouse.server.global.entity.treeHouse.TreeHouse;
@@ -17,6 +18,7 @@
 public class TreehouseService {
 
     private final TreehouseCommandAdapter treehouseCommandAdapter;
+    private final TreehouseQueryAdapter treehouseQueryAdapter;
 
     private final MemberQueryAdapter memberQueryAdapter;
 
@@ -28,5 +30,10 @@ public TreehouseResponseDTO.createTreehouse createTreehouse(TreehouseRequestDTO.
         return TreehouseMapper.toCreateTreehouse(savedTreehouse);
     }
 
+    public TreehouseResponseDTO.getTreehouseDetails getTreehouseDetails(Long treehouseId) {
+        TreeHouse treehouse = treehouseQueryAdapter.getTreehouseById(treehouseId);
+        return TreehouseMapper.toGetTreehouseDetails(treehouse);
+    }
+
 
 }

src/main/java/treehouse/server/api/treehouse/presentation/TreehouseApi.java

@@ -5,10 +5,7 @@
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.validation.annotation.Validated;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestBody;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
 import treehouse.server.api.treehouse.business.TreehouseService;
 import treehouse.server.api.treehouse.presentation.dto.TreehouseRequestDTO;
 import treehouse.server.api.treehouse.presentation.dto.TreehouseResponseDTO;
@@ -31,4 +28,12 @@ public CommonResponse<TreehouseResponseDTO.createTreehouse> createTreehouse(
     ) {
         return CommonResponse.onSuccess(treehouseService.createTreehouse(request));
     }
+
+    @GetMapping("/{treehouseId}")
+    @Operation(summary = "트리하우스 조회 🔑", description = "트리하우스 정보를 조회합니다.")
+    public CommonResponse<TreehouseResponseDTO.getTreehouseDetails> getTreehouseDetails(
+            @PathVariable Long treehouseId
+    ) {
+        return CommonResponse.onSuccess(treehouseService.getTreehouseDetails(treehouseId));
+    }
 }

src/main/java/treehouse/server/api/treehouse/presentation/dto/TreehouseResponseDTO.java

@@ -13,4 +13,16 @@ public static class createTreehouse {
 
         private Long treehouseId;
     }
+
+    @Builder
+    @Getter
+    @NoArgsConstructor
+    @AllArgsConstructor
+    public static class getTreehouseDetails {
+
+        private Long treehouseId;
+        private String treehouseName;
+        private Integer treehouseSize;
+        private String treehouseImageUrl;
+    }
 }