feat: added room service with code generation and tests

backend/src/room/dto/create-room.dto.ts

@@ -0,0 +1,19 @@
+import { IsNotEmpty, IsString } from 'class-validator';
+import { ApiProperty } from '@nestjs/swagger';
+
+export class CreateRoomDto {
+  @ApiProperty()
+  @IsNotEmpty()
+  @IsString()
+  name: string;
+
+  @ApiProperty()
+  @IsNotEmpty()
+  @IsString()
+  description: string;
+
+  // @ApiProperty()
+  // @IsNotEmpty()
+  // @IsString()
+  // code: string;
+}

backend/src/room/dto/update-room.dto.ts

@@ -0,0 +1,4 @@
+import { PartialType } from '@nestjs/swagger';
+import { CreateRoomDto } from './create-room.dto';
+
+export class UpdateRoomDto extends PartialType(CreateRoomDto) {}

backend/src/room/entities/room.entity.ts

@@ -0,0 +1,22 @@
+import { Entity, Column, PrimaryGeneratedColumn, CreateDateColumn, UpdateDateColumn } from 'typeorm';
+
+@Entity('rooms')
+export class Room {
+  @PrimaryGeneratedColumn('uuid')
+  id: string;
+
+  @Column()
+  name: string;
+
+  @Column('text')
+  description: string;
+
+  @Column()
+  code: string;
+
+  @CreateDateColumn()
+  createdAt: Date;
+
+  @UpdateDateColumn()
+  updatedAt: Date;
+}

backend/src/room/room.controller.spec.ts

@@ -0,0 +1,128 @@
+import { Test, TestingModule } from '@nestjs/testing';
+import { RoomController } from './room.controller';
+import { RoomService } from './room.service';
+import { CreateRoomDto } from './dto/create-room.dto';
+import { UpdateRoomDto } from './dto/update-room.dto';
+import { NotFoundException } from '@nestjs/common';
+
+describe('RoomController', () => {
+  let controller: RoomController;
+  let service: RoomService;
+
+  const mockRoomService = {
+    create: jest.fn().mockResolvedValue({
+      id: '1',
+      name: 'Test Room Name',
+      code: 'RANDOM',
+      description: 'Test Room Description',
+    }),
+    // create: jest.fn().mockImplementation((dto) => ({ id: '1', ...dto })),
+    findAll: jest.fn().mockResolvedValue([]),
+    findOne: jest.fn().mockImplementation((id) => {
+      if (id === '1')
+        return Promise.resolve({
+          id: '1',
+          name: 'Test Room Name',
+          description: 'Test Room Description',
+          code: 'RANDOM',
+        });
+      throw new NotFoundException('Room not found');
+    }),
+    update: jest.fn().mockImplementation((id, dto) => {
+      if (id === '1') return Promise.resolve({ id: '1', ...dto });
+      throw new NotFoundException('Room not found');
+    }),
+    remove: jest.fn().mockImplementation((id) => {
+      if (id === '1') return Promise.resolve(true);
+      throw new NotFoundException('Room not found');
+    }),
+  };
+
+  beforeEach(async () => {
+    const module: TestingModule = await Test.createTestingModule({
+      controllers: [RoomController],
+      providers: [{ provide: RoomService, useValue: mockRoomService }],
+    }).compile();
+
+    controller = module.get<RoomController>(RoomController);
+    service = module.get<RoomService>(RoomService);
+  });
+
+  it('should be defined', () => {
+    expect(controller).toBeDefined();
+  });
+
+  it('should create a room', async () => {
+    const dto: CreateRoomDto = {
+      name: 'Test Room Name',
+      description: 'Test Room Description',
+    };
+    await expect(controller.create(dto)).resolves.toEqual({
+      id: '1',
+      name: 'Test Room Name',
+      code: 'RANDOM',
+      description: 'Test Room Description',
+    });
+    expect(service.create).toHaveBeenCalledWith(dto);
+  });
+
+  it('should return all rooms', async () => {
+    await expect(controller.findAll()).resolves.toEqual([]);
+    expect(service.findAll).toHaveBeenCalled();
+  });
+
+  it('should return a room by id', async () => {
+    await expect(controller.findOne('1')).resolves.toEqual({
+      id: '1',
+      name: 'Test Room Name',
+      description: 'Test Room Description',
+      code: 'RANDOM',
+    });
+    expect(service.findOne).toHaveBeenCalledWith('1');
+  });
+
+  it('should throw an error if room not found', async () => {
+    try {
+      await controller.findOne('2');
+    } catch (error) {
+      expect(error).toBeInstanceOf(NotFoundException);
+    }
+  });
+
+  it('should update a room', async () => {
+    const updateDto: UpdateRoomDto = {
+      name: 'Updated Room',
+      description: 'Test Room Description'
+    };
+    await expect(controller.update('1', updateDto)).resolves.toEqual({
+      id: '1',
+      ...updateDto,
+    });
+    expect(service.update).toHaveBeenCalledWith('1', updateDto);
+  });
+
+  it('should throw an error if updating a non-existent room', async () => {
+    const updateDto: UpdateRoomDto = {
+      name: 'Updated Room',
+      description: 'Test Room Description'
+    };
+    try {
+      await expect(controller.update('2', updateDto));
+    } catch (error) {
+      expect(error).toBeInstanceOf(NotFoundException);
+    }
+  });
+
+  it('should delete a room', async () => {
+    await expect(controller.remove('1')).resolves.toBeTruthy();
+    expect(service.remove).toHaveBeenCalledWith('1');
+  });
+
+  it('should throw an error if deleting a non-existent room', async () => {
+    try {
+      await expect(controller.remove('2'));
+    } catch (error) {
+      expect(error).toBeInstanceOf(NotFoundException);
+    }
+  });
+});

backend/src/room/room.controller.ts

@@ -0,0 +1,103 @@
+// src/room/room.controller.ts
+import {
+  Controller,
+  Get,
+  Post,
+  Body,
+  Patch,
+  Param,
+  Delete,
+  Query,
+} from '@nestjs/common';
+import {
+  ApiTags,
+  ApiOperation,
+  ApiResponse,
+  ApiParam,
+  ApiBody,
+} from '@nestjs/swagger';
+import { RoomService } from './room.service';
+import { CreateRoomDto } from './dto/create-room.dto';
+import { UpdateRoomDto } from './dto/update-room.dto';
+
+@ApiTags('room')
+@Controller('room')
+export class RoomController {
+  constructor(private readonly roomService: RoomService) {}
+
+  @Post()
+  @ApiOperation({ summary: 'Create a new room' })
+  @ApiBody({ type: CreateRoomDto })
+  @ApiResponse({
+    status: 201,
+    description: 'Room created successfully',
+  })
+  @ApiResponse({
+    status: 400,
+    description: 'Invalid input',
+  })
+  create(@Body() createRoomDto: CreateRoomDto) {
+    return this.roomService.create(createRoomDto);
+  }
+
+  @Get()
+  @ApiOperation({ summary: 'Get all room' })
+  @ApiResponse({
+    status: 200,
+    description: 'List of all room successfully retrieved',
+  })
+  findAll() {
+    return this.roomService.findAll();
+  }
+
+  @Get(':id')
+  @ApiOperation({ summary: 'Get a room by id' })
+  findOne(@Param('id') id: string) {
+    return this.roomService.findOne(id);
+  }
+
+  @Patch(':id')
+  @ApiOperation({
+    summary: 'Update a room',
+    description: 'Update an existing room by its ID',
+  })
+  @ApiParam({
+    name: 'id',
+    description: 'Unique identifier of the room to be updated',
+    type: 'string',
+  })
+  @ApiBody({ type: UpdateRoomDto })
+  @ApiResponse({
+    status: 200,
+    description: 'Room successfully updated',
+  })
+  @ApiResponse({
+    status: 404,
+    description: 'Room not found',
+  })
+  update(@Param('id') id: string, @Body() updateRoomDto: UpdateRoomDto) {
+    return this.roomService.update(id, updateRoomDto);
+  }
+
+  @Delete(':id')
+  @ApiOperation({
+    summary: 'Delete a room',
+    description: 'Delete a room from the collection by its ID',
+  })
+  @ApiParam({
+    name: 'id',
+    description: 'Unique identifier of the room to be deleted',
+    type: 'string',
+  })
+  @ApiResponse({
+    status: 200,
+    description: 'Room successfully deleted',
+  })
+  @ApiResponse({
+    status: 404,
+    description: 'Room not found',
+  })
+  remove(@Param('id') id: string) {
+    return this.roomService.remove(id);
+  }
+}

backend/src/room/room.module.ts

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+// src/room/room.module.ts
+import { Module } from '@nestjs/common';
+import { TypeOrmModule } from '@nestjs/typeorm';
+import { RoomService } from './room.service';
+import { RoomController } from './room.controller';
+import { Room } from './entities/room.entity';
+
+@Module({
+  imports: [TypeOrmModule.forFeature([Room])],
+  controllers: [RoomController],
+  providers: [RoomService],
+  exports: [RoomService],
+})
+export class RoomModule {}