MERGE :: soyeonkim0227/Tips-API-006 -> main

PR :: 팁 추천

src/core/tip/port/tip.in.port.ts

@@ -18,4 +18,8 @@ export interface ReadDetailTipUseCase {
 
 export interface SearchTipUseCase {
   searchTip(dto: SearchTipRequest,token: string): Promise<object[]>
+}
+
+export interface ReadRecommendedTipUseCase {
+  readRecommendedTip(): Promise<object[]>;
 }

src/core/tip/port/tip.out.port.ts

@@ -1,4 +1,7 @@
-import { ModifyTipRequest, SearchTipRequest } from 'src/presentation/tip/dto/tip.request';
+import {
+  ModifyTipRequest,
+  SearchTipRequest,
+} from 'src/presentation/tip/dto/tip.request';
 import { Tip } from '../../../domain/tip/tip.entity';
 
 export interface SaveTipPort {
@@ -13,4 +16,6 @@ export interface ReadTipPort {
   findByIdOrFail(tipId: number): Promise<Tip>;
 
   searchTip(dto: SearchTipRequest): Promise<object[]>;
+
+  readAllTipByRandom(): Promise<object[]>;
 }

src/core/tip/tip.module.ts

@@ -9,6 +9,7 @@ import { UserRepository } from '../../domain/user/user.repository';
 import {
   ModifyTipService,
   ReadDetailTipService,
+  ReadRecommendedTipService,
   SearchTipService,
   WriteTipService,
 } from './tip.service';
@@ -30,6 +31,7 @@ import { JwtModule } from '@nestjs/jwt';
     { provide: 'modifyTip', useClass: ModifyTipService },
     { provide: 'readDetailTip', useClass: ReadDetailTipService },
     { provide: 'searchTip', useClass: SearchTipService },
+    { provide: 'readRecommendedTip', useClass: ReadRecommendedTipService },
   ],
 })
 export class TipModule {}

src/core/tip/tip.service.ts

@@ -1,6 +1,7 @@
 import {
   ModifyTipUseCase,
   ReadDetailTipUseCase,
+  ReadRecommendedTipUseCase,
   SearchTipUseCase,
   WriteTipUseCase,
 } from './port/tip.in.port';
@@ -91,3 +92,18 @@ export class SearchTipService implements SearchTipUseCase {
     return data;
   };
 }
+
+export class ReadRecommendedTipService implements ReadRecommendedTipUseCase {
+  constructor(
+    @Inject('tip out port')
+    private readonly readTipPort: ReadTipPort,
+  ) {}
+
+  readRecommendedTip = async (): Promise<object[]> => {
+    const data = await this.readTipPort.readAllTipByRandom();
+
+    if (data.length === 0) throw new HttpException('There is No Content', 204);
+
+    return data;
+  };
+}

src/domain/tip/tip.repository.ts

@@ -52,4 +52,19 @@ export class TipRepository implements SaveTipPort, UpdateTipPort, ReadTipPort {
       .groupBy('tip.id')
       .getRawMany();
   };
+
+  readAllTipByRandom = async (): Promise<object[]> => {
+    return await this.tipEntity
+      .createQueryBuilder('tip')
+      .select([
+        'tip.id',
+        'tip.title',
+        'tip.content',
+        'tip.writer_id',
+        'tip.created_at',
+      ])
+      .orderBy('RAND()')
+      .limit(18)
+      .getRawMany();
+  };
 }

src/presentation/tip/tip.controller.ts

@@ -20,6 +20,7 @@ import { Response } from 'express';
 import {
   ModifyTipUseCase,
   ReadDetailTipUseCase,
+  ReadRecommendedTipUseCase,
   SearchTipUseCase,
   WriteTipUseCase,
 } from '../../core/tip/port/tip.in.port';
@@ -35,6 +36,8 @@ export class TipController {
     private readonly readDetailTipUseCase: ReadDetailTipUseCase,
     @Inject('searchTip')
     private readonly searchTipUseCase: SearchTipUseCase,
+    @Inject('readRecommendedTip')
+    private readonly readRecommendedTipUseCase: ReadRecommendedTipUseCase,
   ) {}
 
   @Post()
@@ -98,4 +101,12 @@ export class TipController {
       .json({ tips: await this.searchTipUseCase.searchTip(dto, token) })
       .send();
   }
+
+  @Get('/recommend')
+  async readRecommended(@Res() res: Response): Promise<Response> {
+    return res
+      .status(200)
+      .json({ posts: await this.readRecommendedTipUseCase.readRecommendedTip() })
+      .send();
+  }
 }