public bool IsFilterable(FilterClause filterClause, OeModelBoundSettings?settings)
{
if (settings != null)
{
var filterableVisitor = new FilterableVisitor(this, settings);
filterClause.Expression.Accept(filterableVisitor);
return(filterableVisitor.IsFilterable);
}
return(true);
}
private bool PushPropertySettings(IEdmNavigationProperty navigationProperty)
{
OeModelBoundSettings?navigationSettings = _modelBoundProvider.GetSettings(navigationProperty);
if (navigationSettings == null)
{
return(false);
}
_settings.Push(navigationSettings);
return(true);
}
private bool IsAllowed(IEdmProperty property, OeModelBoundSettings?entitySettings, OeModelBoundKind modelBoundKind)
{
if (entitySettings == null)
{
entitySettings = GetSettings((IEdmEntityType)property.DeclaringType);
if (entitySettings == null)
{
return(true);
}
}
return(entitySettings.IsAllowed(this, property, modelBoundKind));
}
private bool IsSelectable(ODataPath path, OeModelBoundSettings?entitySettings)
{
IEdmProperty property;
if (path.LastSegment is NavigationPropertySegment navigationPropertySegment)
{
property = navigationPropertySegment.NavigationProperty;
}
else if (path.LastSegment is PropertySegment propertySegment)
{
property = propertySegment.Property;
}
else
{
return(false);
}
return(IsAllowed(property, entitySettings, OeModelBoundKind.Select));
}
private static void AddPageNextLinkSelectItems(OeModelBoundSettings?settings, SelectExpandClause selectExpandClause, ref List <SelectItem>?selectItems)
{
if (settings != null && (settings.PageSize > 0 || settings.NavigationNextLink))
{
if (selectItems == null)
{
selectItems = new List <SelectItem>(selectExpandClause.SelectedItems);
}
if (settings.PageSize > 0)
{
selectItems.Add(new Parsers.Translators.OePageSelectItem(settings.PageSize));
}
if (settings.NavigationNextLink)
{
selectItems.Add(Parsers.Translators.OeNextLinkSelectItem.Instance);
}
}
}
public bool IsAllowed(OeModelBoundProvider modelBoundProvider, IEdmProperty property, OeModelBoundKind modelBoundKind)
{
SelectExpandType?propertySetting = GetPropertySetting(property, modelBoundKind);
if (propertySetting != null)
{
return(propertySetting.Value != SelectExpandType.Disabled);
}
if (NavigationProperty != null)
{
OeModelBoundSettings?entitySettings = modelBoundProvider.GetSettings((IEdmEntityType)property.DeclaringType);
if (entitySettings != null && entitySettings.GetPropertySetting(property, modelBoundKind) == SelectExpandType.Disabled)
{
return(false);
}
}
return(true);
}
public bool IsOrderable(OrderByClause orderByClause, OeModelBoundSettings?entitySettings)
{
while (orderByClause != null)
{
if (orderByClause.Expression is SingleValuePropertyAccessNode propertyNode)
{
if (!IsAllowed(propertyNode.Property, entitySettings, OeModelBoundKind.OrderBy))
{
return(false);
}
if (propertyNode.Source is SingleNavigationNode navigationNode)
{
for (; ;)
{
if (!IsAllowed(navigationNode.NavigationProperty, null, OeModelBoundKind.OrderBy))
{
return(false);
}
if (navigationNode.Source is SingleNavigationNode navigationNode2)
{
navigationNode = navigationNode2;
}
else
{
break;
}
}
}
}
orderByClause = orderByClause.ThenBy;
}
return(true);
}
private SelectExpandClause GetSelectItems(SelectExpandClause selectExpandClause, OeModelBoundSettings?settings)
{
List <SelectItem>?selectItems = null;
int i = 0;
foreach (SelectItem selectItem in selectExpandClause.SelectedItems)
{
if (selectItem is ExpandedNavigationSelectItem navigationSelectItem)
{
ExpandedNavigationSelectItem item = Build(navigationSelectItem);
if (item != navigationSelectItem)
{
if (selectItems == null)
{
selectItems = new List <SelectItem>(selectExpandClause.SelectedItems);
}
selectItems[i] = item;
}
}
i++;
}
AddPageNextLinkSelectItems(settings, selectExpandClause, ref selectItems);
return(selectItems == null ? selectExpandClause : new SelectExpandClause(selectItems, selectExpandClause.AllSelected));
}
public bool IsTop(long top, IEdmNavigationProperty navigationProperty)
{
OeModelBoundSettings?settings = GetSettings(navigationProperty);
return(top <= (settings == null || settings.MaxTop == 0 ? Int32.MaxValue : settings.MaxTop));
}
public bool IsTop(long top, IEdmEntityType entityType)
{
OeModelBoundSettings?settings = GetSettings(entityType);
return(top <= (settings == null || settings.MaxTop == 0 ? Int32.MaxValue : settings.MaxTop));
}
public bool IsNavigationNextLink(IEdmNavigationProperty navigationProperty)
{
OeModelBoundSettings?settings = GetSettings(navigationProperty);
return(settings != null && settings.NavigationNextLink);
}
public bool IsCountable(IEdmNavigationProperty navigationProperty)
{
OeModelBoundSettings?settings = GetSettings(navigationProperty);
return(settings == null || settings.Countable);
}
public bool IsCountable(IEdmEntityType entityType)
{
OeModelBoundSettings?settings = GetSettings(entityType);
return(settings == null || settings.Countable);
}
public int GetPageSize(IEdmNavigationProperty navigationProperty)
{
OeModelBoundSettings?settings = GetSettings(navigationProperty);
return(settings == null ? 0 : settings.PageSize);
}
public int GetPageSize(IEdmEntityType entityType)
{
OeModelBoundSettings?settings = GetSettings(entityType);
return(settings == null ? 0 : settings.PageSize);
}