All files / app/services api.service.ts

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import {Injectable} from '@angular/core';
import {HttpClient, HttpErrorResponse} from "@angular/common/http";
 
import {throwError} from 'rxjs';
import {catchError} from 'rxjs/operators';
 
@Injectable({
  providedIn: 'root'
})
export class ApiService {
  private SERVER_URL = "http://localhost:3000/gyms";
 
  constructor(private httpClient: HttpClient) {
  }
 
  handleError(error: HttpErrorResponse) {
    let errorMessage: string;
    Iif (error.error instanceof ErrorEvent) {
      // Client-side errors
      errorMessage = `Error: ${error.error.message}`;
    } else {
      // Server-side errors
      errorMessage = `Error Code: ${error.status}\nMessage: ${error.message}`;
    }
    console.log(errorMessage);
    return throwError(() => errorMessage);
  }
  public sendGetRequest() {
    return this.httpClient.get(this.SERVER_URL).pipe(catchError(this.handleError));
  }
 
}