* @file Provider for REST Service
*/
-import { isNullOrUndefined } from 'util';
import { HttpClient, HttpHeaders } from '@angular/common/http';
import { Injectable } from '@angular/core';
import { NgbModal } from '@ng-bootstrap/ng-bootstrap';
private http: HttpClient;
/** API URL. Disabled tslint since server doesn't support https protocol */
private apiURL: string = '';
+ /** Method to handle null or undefined @private */
+ // eslint-disable-next-line @typescript-eslint/no-explicit-any
+ private isNullOrUndefined = (data: any): boolean => data === null || data === undefined;
/** Notifier service to popup notification @private */
private notifierService: NotifierService;
/** Instance for active modal service @public */
public getResource(apiURL: string, httpHeaders?: { headers: HttpHeaders }): Observable<{}> {
const getRequest: APIURLHEADER = this.getHttpoptions(apiURL);
- if (!isNullOrUndefined(httpHeaders)) {
+ if (!this.isNullOrUndefined(httpHeaders)) {
return this.http.get(apiURL, httpHeaders);
} else {
return this.http.get(getRequest.url, getRequest.httpOptions);
public postResource(apiURLHeader: { url: string, httpOptions?: { headers: HttpHeaders } }, payload: {}): Observable<{}> {
const getRequest: APIURLHEADER = this.getHttpoptions(apiURLHeader.url);
- if (!isNullOrUndefined(apiURLHeader.httpOptions)) {
+ if (!this.isNullOrUndefined(apiURLHeader.httpOptions)) {
return this.http.post(apiURLHeader.url, payload, apiURLHeader.httpOptions);
} else {
return this.http.post(getRequest.url, payload, getRequest.httpOptions);
public patchResource(apiURLHeader: { url: string, httpOptions?: { headers: HttpHeaders } }, payload: {}): Observable<object> {
const getRequest: APIURLHEADER = this.getHttpoptions(apiURLHeader.url);
- if (!isNullOrUndefined(apiURLHeader.httpOptions)) {
+ if (!this.isNullOrUndefined(apiURLHeader.httpOptions)) {
return this.http.patch(apiURLHeader.url, payload, apiURLHeader.httpOptions);
} else {
return this.http.patch(getRequest.url, payload, getRequest.httpOptions);
public putResource(apiURLHeader: { url: string, httpOptions?: { headers: HttpHeaders } }, payload: {}): Observable<object> {
const getRequest: APIURLHEADER = this.getHttpoptions(apiURLHeader.url);
- if (!isNullOrUndefined(apiURLHeader.httpOptions)) {
+ if (!this.isNullOrUndefined(apiURLHeader.httpOptions)) {
return this.http.put(apiURLHeader.url, payload, apiURLHeader.httpOptions);
} else {
return this.http.put(getRequest.url, payload, getRequest.httpOptions);
public deleteResource(apiURL: string, httpHeaders?: { headers: HttpHeaders }): Observable<object> {
const getRequest: APIURLHEADER = this.getHttpoptions(apiURL);
- if (!isNullOrUndefined(httpHeaders)) {
+ if (!this.isNullOrUndefined(httpHeaders)) {
return this.http.delete(apiURL, httpHeaders);
} else {
return this.http.delete(getRequest.url, getRequest.httpOptions);