private static void ValidateFields(GraphQueryField field, IList <GraphQueryField> fields, Type expectedFieldType)
{
if (fields == null || !fields.Any())
{
throw new GraphQueryFieldInvalidException($"Query field '{field.FieldName}' requires at least one query field.");
}
if (fields.Any(x => x.ParentClassType != expectedFieldType))
{
throw new GraphQueryFieldInvalidException($"The following fields are not valid fields for '{field.FieldName}' {fields.Where(x => x.ParentClassType != field.ChildFieldParentType).Select(x => x.FieldName).Aggregate((x, y) => $"{x}, {y}")}.");
}
}
private static void ValidateArguments(GraphQueryField field, IList <object> arguments, Type expectedArgumentType)
{
if (arguments != null)
{
if (arguments.Any(x => (Type)x.GetType().GetProperty("ParentClassType").GetValue(x) != expectedArgumentType))
{
throw new GraphQueryArgumentInvalidException($@"The following fields are not valid query arguments for the field '{field.FieldName}': {
arguments
.Where(x => (Type)x.GetType().GetProperty("ParentClassType").GetValue(x) != expectedArgumentType)
.Select(x => nameof(x))
.Aggregate((x, y) => $"{x}, {y}")}.");
}
foreach (var argument in arguments)
{
argument.IsValidArgumentType();
}
}
}
public static void ValidateQueryFields(GraphQueryField field, IList <GraphQueryField> fields, Type expectedFieldType)
{
ValidateFields(field, fields, expectedFieldType);
}
public static void ValidateQueryFieldsAndArguments(GraphQueryField field, IList <GraphQueryField> fields, IList <object> arguments, Type expectedFieldType, Type expectedArgumentType)
{
ValidateFields(field, fields, expectedFieldType);
ValidateArguments(field, arguments, expectedArgumentType);
}
