public override Expression HandleOperation(
QueryableFilterContext context,
IFilterOperationField field,
IValueNode value,
object?parsedValue)
{
if (context.RuntimeTypes.Count > 0 &&
context.RuntimeTypes.Peek().TypeArguments is { Count : > 0 } args&&
parsedValue is bool parsedBool)
{
Expression?property = context.GetInstance();
Expression expression;
if (parsedBool)
{
expression = FilterExpressionBuilder.Any(args[0].Source, property);
}
else
{
expression = FilterExpressionBuilder.Not(
FilterExpressionBuilder.Any(args[0].Source, property));
}
if (context.InMemory)
{
expression = FilterExpressionBuilder.NotNullAndAlso(property, expression);
}
return(expression);
}
throw ThrowHelper.Filtering_CouldNotParseValue(this, value, field.Type, field);
}
public override bool TryHandleLeave(
QueryableFilterContext context,
IFilterField field,
ObjectFieldNode node,
[NotNullWhen(true)] out ISyntaxVisitorAction?action)
{
if (field.RuntimeType is null)
{
action = null;
return(false);
}
// Deque last
Expression condition = context.GetLevel().Dequeue();
context.PopInstance();
context.RuntimeTypes.Pop();
if (context.InMemory)
{
condition = FilterExpressionBuilder.NotNullAndAlso(
context.GetInstance(),
condition);
}
context.GetLevel().Enqueue(condition);
action = SyntaxVisitor.Continue;
return(true);
}
/// <inheritdoc />
public override bool TryHandleLeave(
QueryableFilterContext context,
IFilterField field,
ObjectFieldNode node,
[NotNullWhen(true)] out ISyntaxVisitorAction?action)
{
IExtendedType runtimeType = context.RuntimeTypes.Pop();
if (context.TryCreateLambda(out LambdaExpression? lambda))
{
context.Scopes.Pop();
Expression instance = context.PopInstance();
Expression expression = HandleListOperation(
context,
field,
node,
runtimeType.Source,
lambda);
if (context.InMemory)
{
expression = FilterExpressionBuilder.NotNullAndAlso(
instance,
expression);
}
context.GetLevel().Enqueue(expression);
}
action = SyntaxVisitor.Continue;
return(true);
}
private static Expression GetExpressionBodyWithNullCheck(this QueryableClosure closure) => FilterExpressionBuilder.NotNullAndAlso(closure.Parameter, closure.Level.Peek().Peek());
private Expression GetExpressionBodyWithNullCheck() => FilterExpressionBuilder.NotNullAndAlso(Parameter, Level.Peek().Peek());