add relations

src/modules/content/repositories/post.repository.ts

@@ -1,11 +1,21 @@
 import { Repository } from 'typeorm';
 
+import { CommentEntity } from '@/modules/content/entities/comment.entity';
 import { PostEntity } from '@/modules/content/entities/post.entity';
 import { CustomRepository } from '@/modules/database/decorators/repository.decorator';
 
 @CustomRepository(PostEntity)
 export class PostRepository extends Repository<PostEntity> {
     buildBaseQB() {
-        return this.createQueryBuilder('post');
+        return this.createQueryBuilder('post')
+            .leftJoinAndSelect('post.category', 'category')
+            .leftJoinAndSelect('post.tags', 'tags')
+            .addSelect((query) => {
+                return query
+                    .select('COUNT(c.id)', 'count')
+                    .from(CommentEntity, 'c')
+                    .where('c.post.id = post.id');
+            }, 'commentCount')
+            .loadRelationCountAndMap('post.commentCOunt', 'post.comments');
     }
 }

src/modules/content/repositories/tag.repository.ts

@@ -0,0 +1,19 @@
+import { Repository } from 'typeorm';
+
+import { PostEntity } from '@/modules/content/entities/post.entity';
+import { TagEntity } from '@/modules/content/entities/tag.entity';
+import { CustomRepository } from '@/modules/database/decorators/repository.decorator';
+
+@CustomRepository(TagEntity)
+export class TagRepository extends Repository<TagEntity> {
+    buildBaseQB() {
+        return this.createQueryBuilder('tag')
+            .leftJoinAndSelect('tag.posts', 'posts')
+            .addSelect(
+                (query) => query.select('COUNT(p.id)', 'count').from(PostEntity, 'p'),
+                'postCount',
+            )
+            .orderBy('postCount', 'DESC')
+            .loadRelationCountAndMap('tag.postCount', 'tag.posts');
+    }
+}