private void ApplyAlias(IFieldQueryNode node, IQueryVisitorContext context)
{
if (node.Parent == null)
{
return;
}
var resolver = node.Parent.GetAliasResolver(context);
var result = resolver != null && node.Field != null?resolver(node.Field) : null;
if (result == null)
{
var groupNode = node as GroupNode;
if (groupNode != null)
{
node.SetAliasResolver(_useNestedResolvers ? GetScopedResolver(resolver, node.Field) : resolver);
}
return;
}
node.SetOriginalField(node.Field);
node.Field = result.Name;
if (node is GroupNode)
{
node.SetAliasResolver(_useNestedResolvers ? result.Resolver : resolver);
}
}
private void ResolveField(IFieldQueryNode node, IQueryVisitorContext context)
{
if (node.Parent == null || node.Field == null)
{
return;
}
var contextResolver = context.GetFieldResolver();
string resolvedField = node.Field;
if (_globalResolver != null)
{
resolvedField = _globalResolver(resolvedField) ?? resolvedField;
}
if (contextResolver != null)
{
resolvedField = contextResolver(resolvedField) ?? resolvedField;
}
if (resolvedField != null && !resolvedField.Equals(node.Field, StringComparison.OrdinalIgnoreCase))
{
node.SetOriginalField(node.Field);
node.Field = resolvedField;
}
}
