private void TransformContentListFieldSingleId(Predicate pred)
{
//#String_0 -> #Text1
if (!pred.LeftOperand.StartsWith("#"))
return;
foreach (var fs in this.SystemContext.GetAvailableFields())
{
if (!fs.Name.StartsWith("#"))
continue;
var cList = SystemContext as ContentList;
var sing = cList.GetPropertySingleId(fs.Name);
if (sing.CompareTo(pred.LeftOperand) != 0)
continue;
pred.LeftOperand = fs.Name;
return;
}
}
private static void TransformIntToReference(Predicate pred)
{
foreach (var refFieldName in ReferenceFields.AllKeys)
{
if (ReferenceFields[refFieldName].CompareTo(pred.LeftOperand) == 0)
pred.LeftOperand = refFieldName;
}
}
private ExpressionInfo GetExpressionInfo(Predicate pred)
{
TransformContentListFieldSingleId(pred);
TransformIntToReference(pred);
return new ExpressionInfo
{
LogicalOperator = pred.LogicalOperator,
Expression = pred.RightOperand,
FieldName = pred.LeftOperand,
RelationalOperator = pred.Operator
};
}
private static void TransformReferenceToInt(Predicate pred)
{
if (ReferenceFields[pred.LeftOperand] != null)
pred.LeftOperand = ReferenceFields[pred.LeftOperand];
}
private ExpressionItem GetExpressionItem(ExpressionInfo expInfo)
{
if (expInfo == null || expInfo.IsEmpty)
return null;
PropertyType pType = null;
var pred = new Predicate
{
LeftOperand = expInfo.FieldName,
LogicalOperator = LogicalOperator.None, //expInfo.LogicalOperator,
Operator = expInfo.RelationalOperator,
RightOperand = expInfo.Expression
};
TransformReferenceToInt(pred);
switch (pred.LeftOperand)
{
case "Id":
case "ParentId":
case "Index":
case "IsDeleted":
case "IsInherited":
case "Locked":
case "LockType":
case "LockTimeout":
case "CreatedById":
case "ModifiedById":
case "LockedById":
pred.PredicateType = PredicateType.IntExpression;
break;
case "CreatedBy":
case "ModifiedBy":
pred.PredicateType = PredicateType.ReferenceExpression;
break;
case "Name":
case "Path":
case "LockToken":
pred.PredicateType = PredicateType.StringExpression;
break;
case "CreationDate":
case "ModificationDate":
case "LockDate":
case "LastLockUpdate":
pred.PredicateType = PredicateType.DateTimeExpression;
break;
//case "NodeType":
//case "ContentListId":
//case "ContentListType":
//case "Parent":
//case "IsModified":
//case "NodeCreationDate":
//case "NodeCreatedBy":
//case "Version":
//case "VersionId":
//case "Lock":
//case "LockedBy":
//case "ETag":
//case "Security":
default:
//#Text1 -> #String_0
if (expInfo.FieldName.StartsWith("#"))
{
var cList = SystemContext as ContentList;
pred.LeftOperand = cList.GetPropertySingleId(expInfo.FieldName);
}
pType = ActiveSchema.PropertyTypes[pred.LeftOperand];
break;
}
if (pType != null)
{
switch (pType.DataType)
{
case DataType.String:
pred.PredicateType = PredicateType.StringExpression;
break;
case DataType.Reference:
pred.PredicateType = PredicateType.ReferenceExpression;
break;
case DataType.Int:
pred.PredicateType = PredicateType.IntExpression;
break;
case DataType.Text:
pred.PredicateType = PredicateType.SearchExpression;
break;
case DataType.DateTime:
pred.PredicateType = PredicateType.DateTimeExpression;
break;
default:
return null;
}
}
return pred;
}
