add cover to deck create/update

src/modules/decks/decks.controller.ts

@@ -40,10 +40,20 @@ export class DecksController {
   constructor(private readonly decksService: DecksService, private commandBus: CommandBus) {}
 
   @UseGuards(JwtAuthGuard)
+  @UseInterceptors(FileFieldsInterceptor([{ name: 'cover', maxCount: 1 }]))
   @Post()
-  create(@Request() req, @Body() createDeckDto: CreateDeckDto) {
+  create(
+    @Request() req,
+    @UploadedFiles()
+    files: {
+      cover: Express.Multer.File[]
+    },
+    @Body() createDeckDto: CreateDeckDto
+  ) {
     const userId = req.user.id
-    return this.commandBus.execute(new CreateDeckCommand({ ...createDeckDto, userId: userId }))
+    return this.commandBus.execute(
+      new CreateDeckCommand({ ...createDeckDto, userId: userId }, files?.cover?.[0])
+    )
   }
 
   @UseGuards(JwtAuthGuard)
@@ -101,9 +111,20 @@ export class DecksController {
   }
 
   @UseGuards(JwtAuthGuard)
+  @UseInterceptors(FileFieldsInterceptor([{ name: 'cover', maxCount: 1 }]))
   @Patch(':id')
-  update(@Param('id') id: string, @Body() updateDeckDto: UpdateDeckDto, @Req() req) {
-    return this.commandBus.execute(new UpdateDeckCommand(id, updateDeckDto, req.user.id))
+  update(
+    @Param('id') id: string,
+    @UploadedFiles()
+    files: {
+      cover: Express.Multer.File[]
+    },
+    @Body() updateDeckDto: UpdateDeckDto,
+    @Req() req
+  ) {
+    return this.commandBus.execute(
+      new UpdateDeckCommand(id, updateDeckDto, req.user.id, files?.cover?.[0])
+    )
   }
 
   @UseGuards(JwtAuthGuard)

src/modules/decks/dto/create-deck.dto.ts

@@ -1,15 +1,17 @@
-import { IsBoolean, IsOptional, IsString, Length } from 'class-validator'
+import { IsBoolean, IsOptional, Length } from 'class-validator'
+import { Transform } from 'class-transformer'
 
 export class CreateDeckDto {
   @Length(3, 30)
   name: string
 
   @IsOptional()
-  @IsString()
+  @Length(0, 0)
   cover?: string
 
   @IsOptional()
   @IsBoolean()
+  @Transform((val: string) => [true, 'true', 1, '1'].indexOf(val) > -1)
   isPrivate?: boolean
 
   userId: string

src/modules/decks/infrastructure/decks.repository.ts

@@ -125,6 +125,7 @@ export class DecksRepository {
       throw new InternalServerErrorException(e?.message)
     }
   }
+
   public async findDeckByCardId(cardId: string) {
     try {
       const card = await this.prisma.card.findUnique({

src/modules/decks/use-cases/create-deck-use-case.ts

@@ -1,16 +1,30 @@
 import { CommandHandler, ICommandHandler } from '@nestjs/cqrs'
 import { CreateDeckDto } from '../dto/create-deck.dto'
 import { DecksRepository } from '../infrastructure/decks.repository'
+import { FileUploadService } from '../../../infrastructure/file-upload-service/file-upload.service'
 
 export class CreateDeckCommand {
-  constructor(public readonly deck: CreateDeckDto) {}
+  constructor(public readonly deck: CreateDeckDto, public readonly cover: Express.Multer.File) {}
 }
 
 @CommandHandler(CreateDeckCommand)
 export class CreateDeckHandler implements ICommandHandler<CreateDeckCommand> {
-  constructor(private readonly deckRepository: DecksRepository) {}
+  constructor(
+    private readonly deckRepository: DecksRepository,
+    private readonly fileUploadService: FileUploadService
+  ) {}
 
   async execute(command: CreateDeckCommand) {
-    return await this.deckRepository.createDeck(command.deck)
+    let cover
+
+    if (command.cover) {
+      const result = await this.fileUploadService.uploadFile(
+        command.cover.buffer,
+        command.cover.originalname
+      )
+      cover = result.fileUrl
+    }
+
+    return await this.deckRepository.createDeck({ ...command.deck, cover })
   }
 }

src/modules/decks/use-cases/update-deck-use-case.ts

@@ -2,18 +2,23 @@ import { CommandHandler, ICommandHandler } from '@nestjs/cqrs'
 import { DecksRepository } from '../infrastructure/decks.repository'
 import { UpdateDeckDto } from '../dto/update-deck.dto'
 import { BadRequestException, NotFoundException } from '@nestjs/common'
+import { FileUploadService } from '../../../infrastructure/file-upload-service/file-upload.service'
 
 export class UpdateDeckCommand {
   constructor(
     public readonly deckId: string,
     public readonly deck: UpdateDeckDto,
-    public readonly userId: string
+    public readonly userId: string,
+    public readonly cover: Express.Multer.File
   ) {}
 }
 
 @CommandHandler(UpdateDeckCommand)
 export class UpdateDeckHandler implements ICommandHandler<UpdateDeckCommand> {
-  constructor(private readonly deckRepository: DecksRepository) {}
+  constructor(
+    private readonly deckRepository: DecksRepository,
+    private readonly fileUploadService: FileUploadService
+  ) {}
 
   async execute(command: UpdateDeckCommand) {
     const deck = await this.deckRepository.findDeckById(command.deckId)
@@ -24,7 +29,17 @@ export class UpdateDeckHandler implements ICommandHandler<UpdateDeckCommand> {
     if (deck.userId !== command.userId) {
       throw new BadRequestException(`You can't modify a deck that you don't own`)
     }
+    let cover
 
-    return await this.deckRepository.updateDeckById(command.deckId, command.deck)
+    if (command.cover) {
+      const result = await this.fileUploadService.uploadFile(
+        command.cover.buffer,
+        command.cover.originalname
+      )
+      cover = result.fileUrl
+    } else if (command.deck.cover === '') {
+      cover = null
+    }
+    return await this.deckRepository.updateDeckById(command.deckId, { ...command.deck, cover })
   }
 }