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import { CreateUserDto } from "./dto/create-user.dto";
import { UpdateUserDto } from "./dto/update-user.dto";
import { InjectRepository } from "@nestjs/typeorm";
import { User } from "./entities/user.entity";
import { LessThanOrEqual, Repository } from "typeorm";
import { AuthService } from "src/auth/auth.service";
import { Expertise } from "src/expertise/entities/expertise.entity";
import { ExpertiseException } from "src/expertise/expertise.service";
import { instanceToPlain } from "class-transformer";
import { Badge } from "src/badge/entities/badge.entity";
import * as bcrypt from "bcrypt";
type UserError =
| "DUPLICATE EMAIL"
| "DUPLICATE USERNAME"
| "USER DOESNT EXIST"
| "USER NEED AT LEAST ONE EXPERTISE"
| "USER CAN HAVE UNTIL 3 EXPERTISES";
export class UserException extends Error {
name: UserError;
constructor(name: UserError) {
super();
this.name = name;
}
}
@Injectable()
export class UserService {
constructor(
@InjectRepository(User)
private userRepository: Repository<User>,
@InjectRepository(Badge)
private badgeRepository: Repository<Badge>,
@Inject(forwardRef(() => AuthService))
private authService: AuthService,
) { }
async create({ username, password, email, expertises, name }: CreateUserDto) {
if (await this.userRepository.findOneBy({ email: email })) {
throw new UserException("DUPLICATE EMAIL");
} else if (await this.userRepository.findOneBy({ username: username })) {
throw new UserException("DUPLICATE USERNAME");
} else if (expertises.length < 1) {
throw new UserException("USER NEED AT LEAST ONE EXPERTISE");
} else if (expertises. length > 3) {
throw new UserException("USER CAN HAVE UNTIL 3 EXPERTISES");
}
const { hash, jwt } = await this.authService.signUp(username, password);
try {
await this.userRepository.save({
name,
username,
email,
hashPassword: hash,
expertises: expertises.map(e => {
const expertise = new Expertise();
expertise.title = e;
return expertise;
}),
currentBadge: {
id: 1,
},
badges: [ { id: 1 } ],
} as User);
const user = await this.findOneByUsername(username);
return {
token: jwt,
user: instanceToPlain(user),
};
} catch (e) {
const error = e as Error;
if (error.message.includes("expertise")) {
throw new ExpertiseException("EXPERTISE DOESNT EXIST");
}
throw error;
}
}
async findAll() {
return this.userRepository.find({
relations: {
expertises: true,
badges: true,
currentBadge: true,
}
});
}
async findOneByUsername(username: string) {
return this.findOne({ username });
}
async findOneByEmail(email: string) {
return this.findOne({ email });
}
async update(username: string, updateUserDto: UpdateUserDto) {
if (await this.userRepository.countBy({ username }) === 0) {
throw new UserException("USER DOESNT EXIST");
}
const user = (await this
.userRepository
.findOneBy({ username }))!;
const parsedDto = {
username: username,
name: updateUserDto.name,
email: updateUserDto.email,
hashPassword: user.hashPassword,
xp: user.xp,
currentBadge: updateUserDto.badge,
expertises: updateUserDto.expertises
};
if (updateUserDto.password !== "") {
const hash = await bcrypt.hash(updateUserDto.password!, 10);
parsedDto["hashPassword"] = hash;
}
await this.userRepository.save(parsedDto);
return true;
}
async remove(username: string) {
return (await this.userRepository.delete(username))!.affected! > 0;
}
async addXp(username: string, quantity: number) {
const user = await this.findOneByUsername(username);
const newXp = Math.max(0, user.xp + quantity);
const badges = await this.badgeRepository.find({
where: {
xp: LessThanOrEqual(newXp),
},
});
await this.userRepository.save({
username,
xp: newXp,
badges,
});
}
private async findOne(where: Partial<User>) {
const user = await this.userRepository.findOne({
where,
relations: {
expertises: true,
currentBadge: true,
badges: true,
}
});
if (user) {
return user;
} else {
throw new UserException("USER DOESNT EXIST");
}
}
} |