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ConflictException,
Injectable,
NotFoundException,
} from '@nestjs/common';
import { UserRepository } from './user.repository';
import {
BandDto,
MemberDto,
SkillDto,
UserBasicInfoDto,
UserDto,
} from './dto/user.dto';
import { User } from '@prisma/client';
import { UpdateUserDto } from './dto/update-user.dto';
import { AddSkillDto } from './dto/add-skill.dto';
@Injectable()
export class UserService {
constructor(private readonly userRepository: UserRepository) {}
async getUserById(userId: string): Promise<UserDto> {
const user = await this.userRepository.findOneById(userId);
if (!user) {
throw new NotFoundException('User not found');
}
const skills: SkillDto[] = user.instruments.map((userInstrument) => ({
instrumentId: userInstrument.instrument.id,
instrumentName: userInstrument.instrument.name,
skillLevel: String(userInstrument.skillLevel),
}));
const bands: BandDto[] = user.bands.map((userBand) => {
const band = userBand.band;
const rolesInBand: string[] = Array.from(
new Set(band.users.map((bandUser) => bandUser.instrument.name)),
);
const members: MemberDto[] = band.users.map((bandUser) => ({
id: bandUser.user.id,
name: bandUser.user.name,
avatarId: bandUser.user.avatarId,
instrument: bandUser.instrument.name,
spotifyUri: bandUser.user.spotifyUri,
}));
return {
bandId: band.id,
bandName: band.name,
bandDescription: band.description,
rolesInBand,
members,
icon: band.avatarId,
founderId: band.founderId,
};
});
return {
id: user.id,
name: user.name,
avatarId: user.avatarId,
description: user.description ?? undefined,
skills,
bands,
spotifyUri: user.spotifyUri ?? undefined,
};
}
async searchUsers(name: string): Promise<UserBasicInfoDto[]> {
return this.userRepository.searchUsers(name);
}
async updateUser(
userId: string,
updateUserDto: UpdateUserDto,
): Promise<{ message: string }> {
const user = await this.userRepository.findById(userId);
if (!user) {
throw new NotFoundException({ message: 'User not found' });
}
await this.userRepository.updateUser(userId, updateUserDto);
return { message: 'User updated successfully' };
}
async deleteSkill(instrumentId: string, userId: string) {
try {
await this.validateUser(userId);
await this.userRepository.deleteSkill(userId, instrumentId);
return { message: 'Skill was removed successfully' };
} catch (error) {
throw new NotFoundException('Skill or User not found');
}
}
async addSkill(
userId: string,
addSkillDto: AddSkillDto,
): Promise<{ message: string }> {
const instrument = this.formatInstrument(addSkillDto.instrument);
try {
let instrumentObject =
await this.userRepository.findInstrument(instrument);
if (!instrumentObject) {
instrumentObject =
await this.userRepository.createInstrument(instrument);
}
return await this.userRepository.addSkill(
userId,
instrumentObject.id,
addSkillDto.level,
);
} catch (error) {
throw new ConflictException('Failed to add skill');
}
}
public async validateUser(userId: string) {
const user = await this.userRepository.findById(userId);
if (!user) {
throw new NotFoundException('User not found');
}
return user;
}
async findManyUsersById(ids: string[]): Promise<User[]> {
return this.userRepository.findManyByIds(ids);
}
private formatInstrument(instrument: string) {
return instrument.toLowerCase();
}
}
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