mashafrancis/butternut-user

import cls from 'cls-hooked';
import { Request, Response } from 'express';
import * as uuid from 'uuid';
import { UserEntity } from '../user/entity';

export class RequestContext {
    public static nsid = uuid.v4();
    public readonly id: number;
    public request: Request;
    public response: Response;

    constructor(request: Request, response: Response) {
        this.id = Math.random();
        this.request = request;
        this.response = response;
    }

    public static currentRequestContext(): RequestContext {
        const session = cls.getNamespace(RequestContext.nsid);
        if (session && session.active) {
            return session.get(RequestContext.name);
        }

        return null;
    }

    public static currentRequest(): Request {
        const requestContext = RequestContext.currentRequestContext();

        if (requestContext) {
            return requestContext.request;
        }

        return null;
    }

    // @ts-ignore
    public static currentUser(throwError?: boolean): UserEntity {
        const requestContext = RequestContext.currentRequestContext();

        if (requestContext) {
            // @ts-ignore
            const user: UserEntity = requestContext.request.user;
            if (user) {
                return user;
            }
        }

        return null;
    }
}