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/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*/
import {Injectable} from '@angular/core';
import {Http, XHRBackend, RequestOptions, Request, RequestOptionsArgs, Response, Headers} from '@angular/http';
import {Observable} from 'rxjs/Observable';
import {UUID} from 'angular2-uuid';
import 'rxjs/add/operator/map';
import 'rxjs/add/operator/catch';
import 'rxjs/add/observable/throw';
import {Dictionary} from "../../utils/dictionary/dictionary";
import {SharingService, CookieService} from "app/services";
import {sdc2Config} from './../../../main';
import { ModalService } from "app/ng2/services/modal.service";
import { ServerErrorResponse } from "app/models";
import { ErrorMessageComponent } from 'app/ng2/components/modal/error-message/error-message.component';
@Injectable()
export class HttpService extends Http {
constructor(backend: XHRBackend, options: RequestOptions, private sharingService: SharingService, private cookieService: CookieService, private modalService: ModalService) {
super(backend, options);
this._defaultOptions.withCredentials = true;
this._defaultOptions.headers.append(cookieService.getUserIdSuffix(), cookieService.getUserId());
}
request(request:string|Request, options?:RequestOptionsArgs):Observable<Response> {
/**
* For every request to the server, that the service id, or resource id is sent in the URL, need to pass UUID in the header.
* Check if the unique id exists in uuidMap, and if so get the UUID and add it to the header.
*/
if (typeof request === 'string') { // meaning we have to add the token to the options, not in url
if (!options) {
// make option object
options = {headers: new Headers()};
}
var uuidValue = this.getUuidValue(request);
if(uuidValue!= ''){
options.headers['X-ECOMP-ServiceID'] = uuidValue;
}
options.headers.set('X-ECOMP-RequestID', UUID.UUID());
} else {
// we have to add the token to the url object
var uuidValue = this.getUuidValue((<Request>request).url);
if(uuidValue!= ''){
request.headers.set('X-ECOMP-ServiceID',uuidValue);
}
request.headers.set('X-ECOMP-RequestID', UUID.UUID());
}
return super.request(request, options).catch((err) => this.catchError(err));
}
private getUuidValue = (url: string) :string => {
let map:Dictionary<string, string> = this.sharingService.getUuidMap();
if (map && url.indexOf(sdc2Config.api.root) > 0) {
map.forEach((key:string) => {
if (url.indexOf(key) !== -1) {
return this.sharingService.getUuidValue(key);
}
});
}
return '';
}
private catchError = (response: Response): Observable<any> => {
let modalInstance = this.modalService.createErrorModal("OK");
let errorResponse: ServerErrorResponse = new ServerErrorResponse(response);
this.modalService.addDynamicContentToModal(modalInstance, ErrorMessageComponent, errorResponse);
modalInstance.instance.open();
return Observable.throw(response);
};
}
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