@kohanajs/mod-session/classes/controller-mixin/Session.js

Session for KohanaJS

const { ControllerMixin } = require('@kohanajs/core-mvc');
const { KohanaJS } = require('kohanajs');

const Session = KohanaJS.require('Session');
const equal = require('fast-deep-equal');

class ControllerMixinSession extends ControllerMixin {
  static SESSION_DATABASE = 'session_database';

  static SESSION_DATABASE_KEY = 'session_database_key'

  static SESSION_OPTIONS = 'session_options';

  static OLD_SESSION = 'oldSession';

  static init(state) {
    if (!state.get(this.SESSION_DATABASE_KEY))state.set(this.SESSION_DATABASE_KEY, 'session');

    const client = state.get('client');
    const { request } = client;
    if (!request.cookies) throw new Error('Session require cookies enabled');
  }

  static async setup(state) {
    const databases = state.get('databases');
    if (databases) {
      state.set(this.SESSION_DATABASE, databases.get(state.get(this.SESSION_DATABASE_KEY)));
      if (!state.get(this.SESSION_DATABASE)) throw new Error('ControllerMixinSession require database');
    }
  }

  static async before(state) {
    const { request } = state.get('client');
    if (request.session) return;// session already created
    await Session.read(request, state.get(this.SESSION_DATABASE), state.get(this.SESSION_OPTIONS));
    state.set(this.OLD_SESSION, { ...request.session });
  }

  static async after(state) {
    const config = { ...KohanaJS.config.session, ...state.get(this.SESSION_OPTIONS) };
    const client = state.get('client');
    const { request } = client;
    const { session } = request;
    const { cookies } = client;
    if(!session)return;

    const save = config.resave || (!session.id && config.saveUninitialized) || !equal(state.get(this.OLD_SESSION), session);

    if (!save) return;
    await Session.write(request, cookies, state.get(this.SESSION_DATABASE), state.get(this.SESSION_OPTIONS));
  }

  static async exit(state) {
    const code = state.get('client').status;
    // still try to save session if exit code is 302
    if (code === 302) await this.after(state);
  }
}

module.exports = ControllerMixinSession;