import { HttpClient, HttpHeaders, HttpParams } from '@angular/common/http'; import { Injectable } from '@angular/core'; import * as FormData from 'form-data'; import { Guid } from 'guid-typescript'; import { Observable } from 'rxjs'; import { Post } from 'src/models/post'; import { AppConstants } from '../app-constants.module'; import { TokenService } from './token.service'; @Injectable({ providedIn: 'root' }) export class RatingService { constructor(private _http: HttpClient, private _tokenService: TokenService) { } }