nhb-express/templates/prisma/src/app/modules/user/user.utils.ts

Minimal Express + TypeScript scaffolder with modular structure and flexible stack choices.

import { prisma } from '@/configs/prisma';
import { ErrorWithStatus } from '@/errors/ErrorWithStatus';
import type { TPlainUser, TUser } from '@/modules/user/user.types';
import type { TEmail } from '@/types';
import { isEmail } from 'nhb-toolbox';
import { STATUS_CODES } from 'nhb-toolbox/constants';

/**
 * * Find a specific user using user email.
 * @param email User email
 * @param withPassword Whether to retrieve user with or without password. Defaults to `false`.
 * @returns USer object from database.
 */
export async function findUserByEmail<Pass extends boolean = false>(
	email: TEmail | undefined,
	withPassword?: Pass
): Promise<Pass extends true ? TUser : TPlainUser> {
	if (!isEmail(email)) {
		throw new ErrorWithStatus(
			'Bad Request',
			`${email} is not a valid email!`,
			STATUS_CODES.BAD_REQUEST,
			'email'
		);
	}

	const user = await prisma.user.findUnique({
		where: { email },
		omit: { password: withPassword ? false : true },
	});

	if (!user) {
		throw new ErrorWithStatus(
			'Not Found Error',
			`User with email ${email} not found!`,
			STATUS_CODES.NOT_FOUND,
			'user'
		);
	}

	return user as Pass extends true ? TUser : TPlainUser;
}

// const { password, ...userCols } = Object.fromEntries(
// 	Object.keys(Prisma.UserScalarFieldEnum).map((k) => [k, true])
// ) as Record<keyof User, true>;

// select: {
// 	...userCols,
// 	...(withPassword ? { password } : {}),
// },