onProjectsFormSubmit() {
    if (this.projectsForm.valid) {
      this.errorEvent = false;
      this.projectsService
        .postProjectAdd(this.projectsForm.value)
        .pipe(
          takeUntil(this.destroy$)
        )
        .subscribe(() => {
          this.translate
            .get('alertify.success.projectAdd')
            .pipe(
              takeUntil(this.destroy$)
            )
            .subscribe(
              translation => {
                this.alertify.success(translation);
              });
          this.router.navigate(['/projects/projects-list']);
        },
          () => { this.errorEvent = true; });
    }
  }