public static VacancyResponse ToResponse(
     this VacancyModel model,
     IDatabaseOrganizationService organizationService)
 => new VacancyResponse
 {
     Id           = model.Id,
     Title        = model.Title,
     Salary       = model.Salary,
     Description  = model.Description,
     Organization = ((model.Organization == null)
             ? organizationService.Get(model.OrganizationId)
             : model.Organization
                     ).ToResponse(),
     EmploymentType = model.EmploymentType?.ToList()?.ToStringName(),
     ContactPerson  = model.ContactPerson,
     ContactPhone   = model.ContactPhone,
     LastUpdated    = model.LastUpdated,
     CreatedAt      = model.CreatedAt
 };