mountTermsSubterms(mountData): Observable<any> {
    let listTermsSubterms = [];
    let observableObj = Observable.create((observer: any) => {
      Observable.from(mountData.terms).concatMap(term => {
        return this.ciService.objectList('instance_ci_subterms', 'term_id=' + term['id'])
        .map(
          response => {

            let listSubterms = [];
            for (let subterm of response) {
              listSubterms.push(subterm.name);
            }

            listTermsSubterms.push({[term['name']]: listSubterms});
          })
      })
      .subscribe(
        data => {
          mountData.terms = listTermsSubterms;
        },
        error => {
          console.log(error, 'Error inside of observableProcess')
        },
        () => {
          observer.next(mountData);
          observer.complete();
        }
      );
    });

    return observableObj;
  };

  sendFile(modelForm: any, form?: any) {

    // Converting file and add into mountData.
    this.appService.convertFile(this.objFile)
      .map(response => {
        let mountData = {
          'file': response,
          'terms': []
        };
        return mountData;
      })
      // Get all terms by collection id.
      .concatMap(mountData => {
        return this.ciService.objectList('instance_ci_terms', 'collection_id=' + this.collectionChecked)
          .map(
            terms => {
              mountData.terms = terms;
              return mountData;
            });
      })
      //Get all subterms of each terms and add into mountData.
      .concatMap(mountData => {
        return this.mountTermsSubterms(mountData);

      })
      // Converting mounData object.
      .concatMap(mountData => {
        return this.appService.convertFile(mountData, false);
      })
      // Upload file.
      .concatMap(response => {
        let fileName = this.config.getNewName(this.objFile.name, 'json');
        return this.appService.uploadFile(response, fileName);
      })
      .subscribe(
        data => {
          this.messageService.success('Arquivo enviado com sucesso.');
        },
        error => {
          this.messageService.error('Ocorreu algum problema na durante o envio do arquivo.');
          console.log(error, 'Error inside of sendFile');
        }
      );
  }