D-Net

import {Injectable} from '@angular/core';

import {Http, Response, Headers, RequestOptions} from '@angular/http';

import {Observable}     from 'rxjs/Observable';

import 'rxjs/add/observable/of';

import 'rxjs/add/operator/do';

import 'rxjs/add/operator/share';

import { CacheService  } from '../shared/cache.service';

import {PersonInfo} from '../utils/entities/personInfo';

import {OpenaireProperties} from '../utils/properties/openaireProperties';

import {User} from '../utils/entities/user';

@Injectable()

export class LoginService {

    constructor(private http: Http, public _cache: CacheService) {}

    authenticate (/*user: User*/username: string, password: string):any {

/*

        let headers = new Headers({ 'Content-Type': 'application/json' });

        let options = new RequestOptions({ headers: headers });

        return this.http.post(this.heroesUrl, { name }, options)

                        .map(this.extractData)

                        .catch(this.handleError);

*/

        let url = OpenaireProperties.getLoginAPIURL()+username+"&password="+password;

        let key = url;

        if (this._cache.has(key)) {

          return Observable.of(this._cache.get(key));

        }

        return this.http.get(url)

                    .map(res => <any> res.json())

                    .map(res => this.parseUserInfo(res['data']))

                    .do(res => {

                      this._cache.set(key, res);

                    });

    }

    private parseUserInfo(data: any/*, user: User*/): User {

        var user: User = new User();

        user.username = data.username;

        user.email = data.email;

        user.id = data.id;

        user.fullname = data.fullname;

        localStorage.setItem("user", JSON.stringify(user));

        return user;

    }

}