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/**
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 * Created by stefania on 7/17/17.
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 */
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import { Injectable } from '@angular/core';
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import { environment } from '../../environments/environment';
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import { HttpClient } from '@angular/common/http';
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import { PageContent } from '../domain/page-content';
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import { catchError } from 'rxjs/operators';
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import { throwError } from 'rxjs';
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@Injectable()
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export class HelpContentService {
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  private _helpServiceUrl = environment.FAQ_ENDPOINT;
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  constructor (private httpClient: HttpClient) {
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  }
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  getActivePageContent(route: string) {
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    const url = this._helpServiceUrl + '/page/route?q=' + route;
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    console.log(`sending request at: ${url}`);
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    return this.httpClient.get<PageContent>(url).pipe(catchError(this.handleError));
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  }
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  private extractData(res: Response) {
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    const body = res;
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    return body.body || { };
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  }
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  private handleError (error: Response | any) {
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    // In a real world app, we might use a remote logging infrastructure
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    // We'd also dig deeper into the error to get a better message
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    let errMsg = '';
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    console.log(error);
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    if (error instanceof Response) {
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      const body = error.text() || '';
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      errMsg = `${error.status} - ${error.statusText || ''} ${body}`;
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    } else {
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      errMsg = (error.message) ? error.message :
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        error.status ? `${error.status} - ${error.statusText}` : 'Server error';
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      console.error(errMsg); // log to console instead
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    }
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    return throwError(errMsg);
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  }
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}
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