public async Task <string> AddNewMaterial(FilesDto dto)
{
if (_dbService.GetCountOfMaterials(dto.uploadedFile.FileName) > 0)
{
throw new MaterialAlredyInDbException("Material " + dto.uploadedFile.FileName +
" is already in the database.");
}
if (Enum.IsDefined(typeof(Categories), dto.category) == false)
{
throw new WrongCategoryException("Wrong category. Use: Presentation, App, Other");
}
await _dbService.AddNewMaterialToDb(dto, GenRandomNameInLocalStorage());
return("Material " + dto.uploadedFile.FileName + " was created");
}
