public bool IsAccessible(string value, string dataSourceName, long userId, out DataSourceFieldInfo fieldInfo)
{
fieldInfo = null;
var exprValues = GetSeparatedValues(value);
var currentDataSourceName = dataSourceName;
var lastSimpleValue = exprValues.LastOrDefault(_ => _queryVariableNameBuilder.IsSimpleValue(_));
if (string.IsNullOrEmpty(lastSimpleValue))
{
return(true);
}
foreach (var exprValue in exprValues)
{
var isSipleValue = _queryVariableNameBuilder.IsSimpleValue(exprValue);
if (!isSipleValue)
{
continue;
}
if (exprValue == lastSimpleValue)
{
break;
}
var entityName = _queryEntityNamePropertyTypeNameResolver.ResolvePropertyTypeName(
currentDataSourceName,
exprValue);
var isCanReadCurrentDataSource = _dataSourceAccessValidator.CanReadSource(entityName, userId);
if (!isCanReadCurrentDataSource)
{
return(false);
}
currentDataSourceName = exprValue;
}
if (!string.IsNullOrEmpty(lastSimpleValue))
{
fieldInfo = _dataSourceFieldInfoProvider.TryGet(currentDataSourceName, lastSimpleValue, userId);
}
return(true);
}
private void ProcessSelectItem(DataSourceInfo dataSource,
long userId,
DslFormatItem selectItem,
string selectItemProperty)
{
if (string.IsNullOrEmpty(selectItem.Name))
{
selectItem.Name = selectItemProperty;
}
var isValueField = _queryVariableNameBuilder.IsSimpleValue(selectItemProperty);
if (!isValueField)
{
if (string.IsNullOrEmpty(selectItem.Name))
{
throw new SelectFieldNameEmptyException(selectItem.Value);
}
}
DataSourceFieldInfo inheritedField;
var isCanRequestColumn = _formatBlockValueAccessEvaluator.IsAccessible(
selectItemProperty,
dataSource.Key,
userId,
out inheritedField);
if (!isCanRequestColumn)
{
selectItem.Value = QueryKey.QueryEmptyString;
return;
}
if (inheritedField == null)
{
return;
}
SetSelectItemInfoFromField(selectItem, inheritedField);
}