import ToDo from '../models/todo.model';
import { Observable } from 'rxjs/Rx';
import { HttpClient, HttpErrorResponse } from '@angular/common/http';
import {Response} from '@angular/http';
import { Injectable } from '@angular/core';
@Injectable()
export class TodoService {
api_url = 'http://localhost:3000';
todoUrl = `${this.api_url}/api/todos`;
constructor(
private http: HttpClient
) { }
}