public async Task <IReadOnlyList <PrestationCategory> > GettAllPrestationCategories(PrestationCategorySpecParams specParams)
        {
            var spec = new PrestationsCategorySpecification(specParams);

            return(await _unitOfWork.Prestations.GetPrestationCategoriesAsync(spec));
        }
        public async Task <PrestationCategory> GetPrestationCategoryById(int id)
        {
            var spec = new PrestationsCategorySpecification(id);

            return(await _unitOfWork.Prestations.GetPrestationCategoryAsync(spec));
        }