public IPersonalDataCell ReadPersonalDataCell(object userId, string tableId, object rowId, string columnId)
{
if (userId is null)
{
throw new ArgumentNullException(nameof(userId));
}
if (String.IsNullOrEmpty(tableId))
{
throw new ArgumentException("Parameter tableId must not be null or empty", nameof(tableId));
}
if (rowId is null)
{
throw new ArgumentNullException(nameof(rowId));
}
if (String.IsNullOrEmpty(columnId))
{
throw new ArgumentException("Parameter columnId must not be null or empty", nameof(columnId));
}
lock (dataAccessLock)
{
CheckUserId(userId);
CheckTableId(tableId);
CheckColumnId(tableId, columnId);
CheckRowId(tableId, rowId);
object ownerId = dataProvider.GetOwnerForRowId(tableId, rowId);
CheckAccessibility(PurposeType.HoldingAndReading, ownerId, tableId, rowId, columnId);
IPersonalDataCell personalDataCell = dataProvider.ReadPersonalDataCell(tableId, columnId, rowId);
if (personalDataCell.IsDefined)
{
ITableDefinition table = dataProvider.GetTable(tableId);
IColumnDefinition column = dataProvider.GetColumn(tableId, columnId);
string tableLogName = table.Name ?? table.ID;
string columnLogName = column.Name ?? column.ID;
WriteOwnerLog(ownerId, $"Your personal data has been read. We accessed your data in the the column \"{columnLogName}\" in the table \"{tableLogName}\"");
}
WriteUserLog(userId, $"Personal data cell of owner ID {ownerId} has been accessed: table {tableId}, column {columnId}, row {rowId.ToString()}");
return(personalDataCell);
}
}
public IPersonalDataCell ReadPersonalDataCell(object ownerId, string tableId, object rowId, string columnId)
{
if (ownerId is null)
{
throw new ArgumentNullException(nameof(ownerId));
}
if (String.IsNullOrEmpty(tableId))
{
throw new ArgumentException("Parameter tableId must not be null or empty", nameof(tableId));
}
if (rowId is null)
{
throw new ArgumentNullException(nameof(rowId));
}
if (String.IsNullOrEmpty(columnId))
{
throw new ArgumentException("Parameter columnId must not be null or empty", nameof(columnId));
}
lock (dataAccessLock)
{
CheckOwnerId(ownerId);
CheckTableId(tableId);
CheckColumnId(tableId, columnId);
CheckRowId(tableId, rowId);
object trueOwnerId = dataProvider.GetOwnerForRowId(tableId, rowId);
if (!ownerId.Equals(trueOwnerId))
{
throw new PersonalDataDBException($"The requested row does not belong to the owner in the parameter {nameof(ownerId)}");
}
IPersonalDataCell personalDataCell = dataProvider.ReadPersonalDataCell(tableId, columnId, rowId);
WriteUserLog(ownerId, $"You accessed your personal data in the table cell: table {tableId}, column {columnId}, row {rowId.ToString()}");
return(personalDataCell);
}
}
