import { Request, Response } from 'express';
import { http } from '@scode/consts';
import Session from './Session';

export default class Transaction {
  /* private */
  private _req: Request;
  private _res: Response;

  /* public */
  public status = -1;
  public session?: Session;

  public get req (): Request { return this._req; }
  public get res (): Response { return this._res; }
  public get has_status (): boolean {
    return Object.values (http.status_codes)
      .includes (this.status);
  }

  /* constructor */
  public constructor (req: Request, res: Response) {
    this._req = req;
    this._res = res;
  }

  /* methods */
  public finalize (data?: any): void {
    if (this.has_status)
      this._res.status (this.status);
    this._res.end (data);
  }
}