 import { Injectable } from '@angular/core';
import { HttpClient } from '@angular/common/http';
import { Observable } from 'rxjs';
import { IUser } from '../_interfaces/user';
 
@Injectable({
 providedIn: 'root'
})
export class UsersService {
 
 constructor(private http: HttpClient) { }
 
 public getUsers(): Observable<IUser[]> {
   return this.http.get<IUser[]>('https://jsonplaceholder.typicode.com/posts');
 }
 
 public postUser(userData): Observable<IUser> {
   return this.http.post<IUser>('https://jsonplaceholder.typicode.com/posts', userData);
 }
}

	import { Injectable } from '@angular/core';
	import { HttpClient } from '@angular/common/http';
	import { Observable } from 'rxjs';
	import { IUser } from '../_interfaces/user';

	@Injectable({
	providedIn: 'root'
	})
	export class UsersService {

	constructor(private http: HttpClient) { }

	public getUsers(): Observable<IUser[]> {
	return this.http.get<IUser[]>('https://jsonplaceholder.typicode.com/posts');
	}

	public postUser(userData): Observable<IUser> {
	return this.http.post<IUser>('https://jsonplaceholder.typicode.com/posts', userData);
	}
	}