/// <summary>
/// Gets a dataset by id and checks the access rights
/// </summary>
/// <param name="id">dataset id</param>
/// <param name="userId">userid</param>
/// <returns>Dataset</returns>
public DatasetDto GetById(int id, int?userId)
{
Dataset dataset = _datasetRepository.GetById(id);
if (dataset.UserId == userId || dataset.Flags.HasFlag(DataSetFlags.Public))
{
return(DatasetMapper.ToDto(dataset));
}
else
{
throw new Exception("Not Authorized");
}
}
/// <summary>
/// Gets all editable datasets for the user
/// </summary>
/// <param name="userId">userid</param>
/// <returns>list of datasets</returns>
public List <DatasetDto> GetAllEditable(int userId)
{
List <DatasetDto> dtoList = new List <DatasetDto>();
foreach (Dataset ds in _datasetRepository.GetAllEditable(userId))
{
try
{
dtoList.Add(DatasetMapper.ToDto(ds));
}
catch { }// ignore error so other datasets can be loaded correctly
}
return(dtoList);
}
private Dataset xorDataset = null; //cache
private DatasetDto GetXorDatasetDto(DataSetFlags flags)
{
if (xorDataset == null)
{
xorDataset = new Dataset()
{
Data = File.ReadAllText("Resources/xor_ok.json"),
Flags = flags,
UserId = 0,
Name = "XOR"
};
}
return(DatasetMapper.ToDto(xorDataset));
}
/// <summary>
/// Checks the right for the update process and updates the dataset and
/// </summary>
/// <param name="datasetDto">dataset</param>
/// <param name="userId">userid</param>
/// <returns>the updated dataset</returns>
public DatasetDto Update(DatasetDto datasetDto, int userId)
{
ValidateDataset(datasetDto);
Dataset result = null;
if (datasetDto.Id > 0)
{
Dataset ds = _datasetRepository.GetById(datasetDto.Id);
ds.Data = datasetDto.Json;
ds.Flags = datasetDto.Flags;
ds.Name = datasetDto.Name;
ds.Modified = DateTime.Now;
if (ds.UserId != userId)
{
throw new Exception("No permission to update this dataset.");
}
_datasetRepository.DataContext.Commit();
result = ds;
}
else
{
Dataset ds = new Dataset()
{
Id = 0,
Name = datasetDto.Name,
Flags = datasetDto.Flags,
Data = datasetDto.Json,
UserId = userId,
Created = DateTime.Now,
Modified = DateTime.Now
};
_datasetRepository.Add(ds);
_datasetRepository.DataContext.Commit();
result = ds;
}
return(DatasetMapper.ToDto(result));
}
/// <summary>
/// Gets a dataset by name
/// </summary>
/// <param name="name">name of the dataset</param>
/// <returns>DatasetDto</returns>
public DatasetDto GetByName(string name)
{
Dataset ds = _datasetRepository.GetByName(name);
return(DatasetMapper.ToDto(ds));
}