token.service.ts
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	import { Injectable } from '@angular/core';
	import { HttpClient } from '@angular/common/http';
	import { Observable } from 'rxjs/Observable';
	import { map } from 'rxjs/operators/map';


	interface TokenResponse {
	token: string;
	}

	@Injectable()
	export class TokenService {
	private token: string;

	constructor(private http: HttpClient ) {}

	private saveToken(token: string): void {
	localStorage.setItem('code-token', token);
	this.token = token;
	}


	private getToken(): string {
	if (!this.token) {
	this.token = localStorage.getItem('code-token');
	}
	return this.token;
	}

	public isLoggedIn(): boolean {
	let res;
	let found;
	let token = this.getToken();
	let Entoken = JSON.parse(sessionStorage.getItem('Token'));
	//console.log(Entoken);
	found = "dsf";//(<any>token).find( tokenlist => tokenlist.token === Entoken )
	if (found != '' && found!= null){
	res = true;
	}else{
	res = false;
	}
	return res;

	}

	private request(): Observable<any> {
	let base;
	base = this.http.get("api/gettokens1");

	const request = base.pipe(
	map((data: TokenResponse) => {
	// console.log(data);
	if (data.token) {
	this.saveToken(data.token);
	}
	// console.log(data);
	return data;
	})
	);

	return request;

	}

	public login(): Observable<any> {
	return this.request();
	}

	}