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import { HttpException, HttpStatus, Injectable } from "@nestjs/common";
import { InjectModel } from "@nestjs/sequelize";
import { Admin } from "./entities/admin.entity";
import * as bcrypt from "bcrypt";
import { JwtService } from "@nestjs/jwt";
import { ConfigService } from "@nestjs/config";
@Injectable()
export class AdminService {
constructor(
@InjectModel(Admin) private readonly adminModel: typeof Admin,
private readonly jwtService: JwtService,
private readonly configService: ConfigService,
) {}
async register(email: string, password: string): Promise<Admin> {
try {
if (!email) {
throw new HttpException("Email should be entered.", HttpStatus.BAD_REQUEST);
}
if (!password) {
throw new HttpException("Password should be entered.", HttpStatus.BAD_REQUEST);
}
const existingAdmin = await this.adminModel.findOne({ where: { email } });
if (existingAdmin) {
throw new HttpException("Email is already registered.", HttpStatus.CONFLICT);
}
const hashedPassword = await bcrypt.hash(password, 10);
const admin = await this.adminModel.create({
email,
password: hashedPassword,
role: "admin",
});
return admin;
} catch (error) {
if (error instanceof HttpException) {
throw error;
}
throw new HttpException("An error occurred during registration.", HttpStatus.INTERNAL_SERVER_ERROR);
}
}
async login(email: string, password: string): Promise<{ token: string }> {
try {
const admin = await this.adminModel.findOne({ where: { email } });
if (!admin) {
throw new HttpException("Invalid email or password", HttpStatus.UNAUTHORIZED);
}
const isValidPassword = await bcrypt.compare(password, admin.password);
if (!isValidPassword) {
throw new HttpException("Invalid email or password", HttpStatus.UNAUTHORIZED);
}
const token = this.jwtService.sign(
{ id: admin.id, role: admin.role },
{
secret: this.configService.get<string>("JWT_SECRET"),
expiresIn: this.configService.get<string | number>("JWT_EXPIRES") || "1h",
},
);
return { token };
} catch (error) {
console.log(error);
throw new HttpException("An error occurred during login.", HttpStatus.INTERNAL_SERVER_ERROR);
}
}
}