refactor: create card service to usecase

backend/src/modules/cards/applications/create-card.use-case.spec.ts

@@ -0,0 +1,163 @@
+import { Test, TestingModule } from '@nestjs/testing';
+import { CreateCardUseCase } from './create-card.use-case';
+import { TYPES } from '../interfaces/types';
+import { DeepMocked, createMock } from '@golevelup/ts-jest';
+import { CardRepositoryInterface } from '../repository/card.repository.interface';
+import faker from '@faker-js/faker';
+import { CardDtoFactory } from 'src/libs/test-utils/mocks/factories/dto/cardDto-factory.mock';
+import CreateCardUseCaseDto from '../dto/useCase/create-card.use-case.dto';
+import { CardFactory } from 'src/libs/test-utils/mocks/factories/card-factory.mock';
+import { BoardFactory } from 'src/libs/test-utils/mocks/factories/board-factory.mock';
+import { CardItemDtoFactory } from 'src/libs/test-utils/mocks/factories/dto/cardItemDto-factory.mock';
+import { CardItemFactory } from 'src/libs/test-utils/mocks/factories/cardItem-factory.mock';
+import { hideText } from 'src/libs/utils/hideText';
+import User from 'src/modules/users/entities/user.schema';
+import { BadRequestException, HttpException } from '@nestjs/common';
+
+//Create Card Items Mocks
+const cardIdtemDto = CardItemDtoFactory.create({ text: 'New Card', comments: [] });
+
+const cardItemFactory = CardItemFactory.create({
+	_id: cardIdtemDto._id,
+	text: cardIdtemDto.text,
+	comments: [],
+	anonymous: cardIdtemDto.anonymous,
+	votes: cardIdtemDto.votes
+});
+
+//Create Card Mocks
+const cardDtoMock = CardDtoFactory.create({
+	_id: faker.datatype.uuid(),
+	text: 'New Card',
+	comments: [],
+	votes: [],
+	items: [cardIdtemDto]
+});
+
+const newCardMock = CardFactory.create({
+	_id: cardDtoMock._id,
+	text: cardDtoMock.text,
+	comments: [],
+	votes: [],
+	items: [cardItemFactory]
+});
+
+let boardMock;
+let createCardUseCaseDtoMock: CreateCardUseCaseDto;
+
+describe('CreateCardUseCase', () => {
+	let useCase: CreateCardUseCase;
+	let cardRepositoryMock: DeepMocked<CardRepositoryInterface>;
+
+	beforeAll(async () => {
+		const module: TestingModule = await Test.createTestingModule({
+			providers: [
+				CreateCardUseCase,
+				{
+					provide: TYPES.repository.CardRepository,
+					useValue: createMock<CardRepositoryInterface>()
+				}
+			]
+		}).compile();
+		useCase = module.get<CreateCardUseCase>(CreateCardUseCase);
+		cardRepositoryMock = module.get(TYPES.repository.CardRepository);
+	});
+
+	beforeEach(() => {
+		jest.clearAllMocks();
+		jest.restoreAllMocks();
+
+		//Create Mock Board
+		boardMock = BoardFactory.create();
+		boardMock.columns[0]._id = 'colId';
+		boardMock.columns[0].cards[0] = newCardMock;
+		cardRepositoryMock.pushCardWithPopulate.mockResolvedValue(boardMock);
+
+		//Create Mock CreateCardUseCaseDto
+		createCardUseCaseDtoMock = {
+			boardId: faker.datatype.uuid(),
+			userId: faker.datatype.uuid(),
+			createCardDto: {
+				socketId: faker.datatype.uuid(),
+				colIdToAdd: 'colId',
+				card: cardDtoMock,
+				boardId: faker.datatype.uuid(),
+				newCard: null
+			}
+		};
+	});
+
+	it('should be defined', () => {
+		expect(useCase).toBeDefined();
+	});
+
+	it('should call cardRepository once', async () => {
+		await useCase.execute(createCardUseCaseDtoMock);
+		expect(cardRepositoryMock.pushCardWithPopulate).toHaveBeenCalledTimes(1);
+	});
+
+	it('should return new card and send a card with hidden data for the websocket', async () => {
+		boardMock.hideCards = true;
+		boardMock.hideVotes = true;
+
+		cardRepositoryMock.pushCardWithPopulate.mockResolvedValueOnce(boardMock);
+		await expect(useCase.execute(createCardUseCaseDtoMock)).resolves.toEqual(
+			expect.objectContaining({
+				newCardToReturn: expect.objectContaining({ _id: cardDtoMock._id, text: cardDtoMock.text }),
+				newCardToSocket: expect.objectContaining({
+					text: hideText(cardDtoMock.text),
+					createdBy: expect.objectContaining({
+						firstName: hideText((newCardMock.createdBy as User).firstName),
+						lastName: hideText((newCardMock.createdBy as User).lastName)
+					})
+				})
+			})
+		);
+	});
+
+	it('should return new card and a card with no hidden data for the websocket', async () => {
+		boardMock.hideCards = false;
+		boardMock.hideVotes = false;
+		boardMock.columns[0].cards[0].anonymous = false;
+		boardMock.columns[0].cards[0].createdByTeam = null;
+
+		cardRepositoryMock.pushCardWithPopulate.mockResolvedValueOnce(boardMock);
+		await expect(useCase.execute(createCardUseCaseDtoMock)).resolves.toEqual(
+			expect.objectContaining({
+				newCardToReturn: expect.objectContaining({ _id: cardDtoMock._id, text: cardDtoMock.text }),
+				newCardToSocket: expect.objectContaining({
+					text: cardDtoMock.text,
+					createdBy: expect.objectContaining({
+						firstName: (newCardMock.createdBy as User).firstName,
+						lastName: (newCardMock.createdBy as User).lastName
+					})
+				})
+			})
+		);
+	});
+
+	it('should return new card when card.items isEmpty', async () => {
+		createCardUseCaseDtoMock.createCardDto.card.items = [];
+
+		await expect(useCase.execute(createCardUseCaseDtoMock)).resolves.toEqual(
+			expect.objectContaining({
+				newCardToReturn: expect.objectContaining({
+					items: expect.arrayContaining([expect.objectContaining({ text: cardDtoMock.text })])
+				})
+			})
+		);
+	});
+
+	it('should throw error if board.columns doesnt exists', async () => {
+		boardMock.columns = null;
+		cardRepositoryMock.pushCardWithPopulate.mockResolvedValueOnce(boardMock);
+		await expect(useCase.execute(createCardUseCaseDtoMock)).rejects.toThrowError(HttpException);
+	});
+
+	it('should return BadRequestException if insert fail ', async () => {
+		createCardUseCaseDtoMock.createCardDto.colIdToAdd = 'FakeColId';
+		await expect(useCase.execute(createCardUseCaseDtoMock)).rejects.toThrowError(
+			BadRequestException
+		);
+	});
+});

backend/src/modules/cards/applications/create-card.use-case.ts

@@ -0,0 +1,95 @@
+import { BadRequestException, HttpException, HttpStatus, Inject, Injectable } from '@nestjs/common';
+import { TYPES } from '../interfaces/types';
+import { UseCase } from 'src/libs/interfaces/use-case.interface';
+import CreateCardUseCaseDto from '../dto/useCase/create-card.use-case.dto';
+import { CardRepositoryInterface } from '../repository/card.repository.interface';
+import isEmpty from 'src/libs/utils/isEmpty';
+import CardItem from '../entities/card.item.schema';
+import { INSERT_FAILED } from 'src/libs/exceptions/messages';
+import CardCreationPresenter from '../dto/useCase/presenters/create-card-res.use-case.dto';
+import { replaceCard } from 'src/modules/boards/utils/clean-board';
+import Card from '../entities/card.schema';
+import { hideText } from 'src/libs/utils/hideText';
+import CardDto from '../dto/card.dto';
+
+@Injectable()
+export class CreateCardUseCase implements UseCase<CreateCardUseCaseDto, CardCreationPresenter> {
+	constructor(
+		@Inject(TYPES.repository.CardRepository)
+		private readonly cardRepository: CardRepositoryInterface
+	) {}
+
+	async execute(createCardUseCaseDto: CreateCardUseCaseDto) {
+		const { createCardDto, userId, boardId } = createCardUseCaseDto;
+		const { card, colIdToAdd } = createCardDto;
+
+		const transformedCard = this.transformCardToStore(card, userId);
+
+		const board = await this.cardRepository.pushCardWithPopulate(
+			boardId,
+			colIdToAdd,
+			0,
+			transformedCard
+		);
+
+		if (!board.columns) throw new HttpException(INSERT_FAILED, HttpStatus.BAD_REQUEST);
+
+		const newCard = this.extractCardFromBoard(board, colIdToAdd);
+
+		const newCardToSocket = this.transformCardForSocket(
+			newCard,
+			userId,
+			board.hideCards,
+			board.hideVotes
+		);
+
+		return {
+			newCardToReturn: newCard,
+			newCardToSocket: newCardToSocket
+		};
+	}
+
+	private transformCardToStore(card: CardDto, userId: string) {
+		card.createdBy = userId;
+
+		if (isEmpty(card.items)) {
+			(card.items as CardItem[]).push({
+				text: card.text,
+				createdBy: userId,
+				comments: [],
+				votes: [],
+				anonymous: false,
+				createdByTeam: undefined,
+				createdAt: new Date()
+			});
+		} else {
+			card.items[0].createdBy = userId;
+		}
+
+		return card;
+	}
+
+	private transformCardForSocket(newCard, userId: string, hideCards, hideVotes): Card {
+		const cardWithHiddenInfo = replaceCard(
+			newCard,
+			hideText(userId.toString()),
+			hideCards,
+			hideVotes
+		);
+
+		return cardWithHiddenInfo as Card;
+	}
+
+	//Extract the card from the populated board
+	private extractCardFromBoard(board, colIdToAdd) {
+		try {
+			const colIndex = board.columns.findIndex((col) => col._id.toString() === colIdToAdd);
+
+			const newCard = board.columns[colIndex].cards[0];
+
+			return newCard;
+		} catch {
+			throw new BadRequestException(INSERT_FAILED);
+		}
+	}
+}

backend/src/modules/cards/cards.module.ts

@@ -4,8 +4,7 @@ import SocketModule from '../socket/socket.module';
 import { VotesModule } from '../votes/votes.module';
 import {
 	cardRepository,
-	createCardApplication,
-	createCardService,
+	creacteCardUseCase,
 	deleteCardApplication,
 	deleteCardService,
 	getCardService,
@@ -22,19 +21,18 @@ import CardsController from './controller/cards.controller';
 	imports: [mongooseBoardModule, forwardRef(() => SocketModule), forwardRef(() => VotesModule)],
 	controllers: [CardsController],
 	providers: [
-		createCardService,
 		updateCardService,
 		getCardService,
 		deleteCardService,
 		updateCardService,
 		mergeCardService,
 		unmergeCardService,
-		createCardApplication,
 		updateCardApplication,
 		deleteCardApplication,
 		mergeCardApplication,
 		unmergeCardApplication,
-		cardRepository
+		cardRepository,
+		creacteCardUseCase
 	],
 	exports: [getCardService, deleteCardService]
 })

backend/src/modules/cards/cards.providers.ts

@@ -1,22 +1,16 @@
-import { CreateCardApplication } from './applications/create.card.application';
+import { CreateCardUseCase } from './applications/create-card.use-case';
 import { DeleteCardApplication } from './applications/delete.card.application';
 import { MergeCardApplication } from './applications/merge.card.application';
 import { UnmergeCardApplication } from './applications/unmerge.card.application';
 import { UpdateCardApplication } from './applications/update.card.application';
 import { TYPES } from './interfaces/types';
 import { CardRepository } from './repository/card.repository';
-import CreateCardService from './services/create.card.service';
 import DeleteCardService from './services/delete.card.service';
 import GetCardService from './services/get.card.service';
 import { MergeCardService } from './services/merge.card.service';
 import { UnmergeCardService } from './services/unmerge.card.service';
 import UpdateCardService from './services/update.card.service';
 
-export const createCardService = {
-	provide: TYPES.services.CreateCardService,
-	useClass: CreateCardService
-};
-
 export const getCardService = {
 	provide: TYPES.services.GetCardService,
 	useClass: GetCardService
@@ -42,11 +36,6 @@ export const unmergeCardService = {
 	useClass: UnmergeCardService
 };
 
-export const createCardApplication = {
-	provide: TYPES.applications.CreateCardApplication,
-	useClass: CreateCardApplication
-};
-
 export const updateCardApplication = {
 	provide: TYPES.applications.UpdateCardApplication,
 	useClass: UpdateCardApplication
@@ -71,3 +60,8 @@ export const cardRepository = {
 	provide: TYPES.repository.CardRepository,
 	useClass: CardRepository
 };
+
+export const creacteCardUseCase = {
+	provide: TYPES.applications.CreateCardUseCase,
+	useClass: CreateCardUseCase
+};