private void BuildOrderBySkipTake(OeNavigationSelectItem navigationItem, OrderByClause orderByClause, bool hasSelectItems)
{
while (orderByClause != null)
{
var propertyNode = (SingleValuePropertyAccessNode)orderByClause.Expression;
if (propertyNode.Source is SingleNavigationNode navigationNode)
{
OeNavigationSelectItem match;
ExpandedNavigationSelectItem navigationSelectItem = null;
do
{
if ((match = navigationItem.FindHierarchyNavigationItem(navigationNode.NavigationProperty)) != null)
{
match.AddStructuralItem((IEdmStructuralProperty)propertyNode.Property, true);
break;
}
SelectExpandClause selectExpandClause;
if (navigationSelectItem == null)
{
var pathSelectItem = new PathSelectItem(new ODataSelectPath(new PropertySegment((IEdmStructuralProperty)propertyNode.Property)));
selectExpandClause = new SelectExpandClause(new[] { pathSelectItem }, false);
}
else
{
selectExpandClause = new SelectExpandClause(new[] { navigationSelectItem }, false);
}
var segment = new NavigationPropertySegment(navigationNode.NavigationProperty, navigationNode.NavigationSource);
navigationSelectItem = new ExpandedNavigationSelectItem(new ODataExpandPath(segment), navigationNode.NavigationSource, selectExpandClause);
}while ((navigationNode = navigationNode.Source as SingleNavigationNode) != null);
if (navigationSelectItem != null)
{
if (match == null)
{
match = navigationItem;
}
var selectItemTranslator = new OeSelectItemTranslator(_edmModel, true);
selectItemTranslator.Translate(match, navigationSelectItem);
}
}
else
{
if (hasSelectItems)
{
navigationItem.AddStructuralItem((IEdmStructuralProperty)propertyNode.Property, true);
}
}
orderByClause = orderByClause.ThenBy;
}
}
private void BuildCompute(ComputeClause computeClause)
{
if (computeClause != null)
{
foreach (ComputeExpression computeExpression in computeClause.ComputedItems)
{
Expression expression = _joinBuilder.Visitor.TranslateNode(computeExpression.Expression);
IEdmTypeReference edmTypeReference = OeEdmClrHelper.GetEdmTypeReference(_edmModel, expression.Type);
var computeProperty = new ComputeProperty(computeExpression.Alias, edmTypeReference, expression);
_rootNavigationItem.AddStructuralItem(computeProperty, false);
}
}
}
private void Translate(OeNavigationSelectItem parentNavigationItem, PathSelectItem item)
{
if (item.SelectedPath.LastSegment is NavigationPropertySegment navigationSegment)
{
IEdmNavigationSource navigationSource = navigationSegment.NavigationSource;
if (navigationSource == null)
{
navigationSource = OeEdmClrHelper.GetEntitySet(_edmModel, navigationSegment.NavigationProperty);
}
var expandedItem = new ExpandedNavigationSelectItem(new ODataExpandPath(item.SelectedPath), navigationSource, new SelectExpandClause(null, true));
AddOrGetNavigationItem(parentNavigationItem, expandedItem, false);
}
else if (item.SelectedPath.LastSegment is PropertySegment propertySegment)
{
parentNavigationItem.AddStructuralItem(propertySegment.Property, _notSelected);
}
else
{
throw new InvalidOperationException(item.SelectedPath.LastSegment.GetType().Name + " not supported");
}
}
