public Expression BuildSelect(SelectExpandClause selectClause, Expression source, bool navigationNextLink, bool skipToken)
{
foreach (SelectItem selectItemClause in selectClause.SelectedItems)
{
var selectItemTranslator = new OeSelectItemTranslator(_navigationItem, navigationNextLink, source, _joinBuilder, skipToken);
OeSelectItem selectItem = selectItemClause.TranslateWith(selectItemTranslator);
if (selectItem != null)
{
if (selectItem.EdmProperty is IEdmNavigationProperty)
{
source = selectItemTranslator.Source;
}
else
{
_navigationItem.AddSelectItem(selectItem);
}
}
}
if (_navigationItem.SelectItems.Count > 0)
{
AddKey(_metadataLevel != OeMetadataLevel.Full);
}
return(source);
}
private static Expression BuildOrderBySkipToken(OeSelectItem navigationItem, OrderByClause orderByClause, Expression source, OeJoinBuilder joinBuilder, bool hasSelectItems)
{
while (orderByClause != null)
{
var propertyNode = (SingleValuePropertyAccessNode)orderByClause.Expression;
if (propertyNode.Source is SingleNavigationNode navigationNode)
{
OeSelectItem match = null;
ExpandedNavigationSelectItem navigationSelectItem = null;
do
{
if ((match = navigationItem.FindHierarchyNavigationItem(navigationNode.NavigationProperty)) != null)
{
match.AddSelectItem(new OeSelectItem(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(match, false, source, joinBuilder, true);
navigationSelectItem.TranslateWith(selectItemTranslator);
source = selectItemTranslator.Source;
}
}
else
{
if (hasSelectItems)
{
navigationItem.AddSelectItem(new OeSelectItem(propertyNode.Property, true));
}
}
orderByClause = orderByClause.ThenBy;
}
return(source);
}
public void BuildSelect(SelectExpandClause selectClause, OeMetadataLevel metadataLevel)
{
if (selectClause != null)
{
var selectItemTranslator = new OeSelectItemTranslator(_edmModel, false);
foreach (SelectItem selectItemClause in selectClause.SelectedItems)
{
selectItemTranslator.Translate(_rootNavigationItem, selectItemClause);
}
}
_rootNavigationItem.AddKeyRecursive(metadataLevel != OeMetadataLevel.Full);
}
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;
for (; ;)
{
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);
if (navigationNode.Source is SingleNavigationNode singleNavigationNode)
{
navigationNode = singleNavigationNode;
}
else
{
break;
}
}
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;
}
}