Refactor buildHierarchy method for improved performance

src/community/services/community.service.ts

@@ -77,17 +77,21 @@ export class CommunityService {
     if (space.spaceType.type !== 'community') {
       throw new HttpException('Community not found', HttpStatus.NOT_FOUND);
     }
-
+    const totalCount = await this.spaceRepository.count({
+      where: { parent: { uuid: space.uuid } },
+    });
+    const children = await this.buildHierarchy(
+      space,
+      includeSubSpaces,
+      page,
+      pageSize,
+    );
     return {
       uuid: space.uuid,
       name: space.spaceName,
       type: space.spaceType.type,
-      children: await this.buildHierarchy(
-        space,
-        includeSubSpaces,
-        page,
-        pageSize,
-      ),
+      totalCount,
+      children,
     };
   }
 
@@ -105,20 +109,24 @@ export class CommunityService {
     });
 
     if (!children || children.length === 0 || !includeSubSpaces) {
-      return children.map((child) => ({
-        uuid: child.uuid,
-        name: child.spaceName,
-        type: child.spaceType.type,
-      }));
+      return children
+        .filter((child) => child.spaceType.type !== 'community') // Filter remaining community type
+        .map((child) => ({
+          uuid: child.uuid,
+          name: child.spaceName,
+          type: child.spaceType.type,
+        }));
     }
 
     const childHierarchies = await Promise.all(
-      children.map(async (child) => ({
-        uuid: child.uuid,
-        name: child.spaceName,
-        type: child.spaceType.type,
-        children: await this.buildHierarchy(child, true, 1, pageSize),
-      })),
+      children
+        .filter((child) => child.spaceType.type !== 'community') // Filter remaining community type
+        .map(async (child) => ({
+          uuid: child.uuid,
+          name: child.spaceName,
+          type: child.spaceType.type,
+          children: await this.buildHierarchy(child, true, 1, pageSize),
+        })),
     );
 
     return childHierarchies;