ResolveFieldContext ResolveFieldContext(
MyDataContext ctx,
CancellationToken token,
Document document,
ISchema schema)
{
var operation = document.Operations.FirstOrDefault();
var variableValues = ExecutionHelper.GetVariableValues(document, schema, operation?.Variables, null);
var executionContext = new ExecutionContext
{
Document = document,
Schema = schema,
UserContext = ctx,
Variables = variableValues,
Fragments = document.Fragments,
CancellationToken = token,
Listeners = new IDocumentExecutionListener[0],
Operation = operation,
ThrowOnUnhandledException = true // DEBUG
};
var operationRootType = ExecutionHelper.GetOperationRootType(
executionContext.Document,
executionContext.Schema,
executionContext.Operation);
var node = ExecutionStrategy.BuildExecutionRootNode(executionContext, operationRootType);
return(GetContext(executionContext, node.SubFields["companies"]));
}
private bool SkipAuthCheck(Field field, ValidationContext context)
{
if (field.Directives == null || !field.Directives.Any())
{
return(false);
}
var operationName = context.OperationName;
var documentOperations = context.Document.Operations;
var operation = !string.IsNullOrWhiteSpace(operationName)
? documentOperations.WithName(operationName)
: documentOperations.FirstOrDefault();
var variables = ExecutionHelper.GetVariableValues(context.Document, context.Schema,
operation?.Variables, context.Inputs);
var includeField = GetDirectiveValue(context, field.Directives, DirectiveGraphType.Include, variables);
if (includeField.HasValue)
{
return(!includeField.Value);
}
var skipField = GetDirectiveValue(context, field.Directives, DirectiveGraphType.Skip, variables);
if (skipField.HasValue)
{
return(skipField.Value);
}
return(false);
}
public INodeVisitor Validate(ValidationContext context)
{
var variableValues = new Lazy <Variables>(() => ExecutionHelper.GetVariableValues(
context.Document,
context.Schema,
context.TypeInfo.GetAncestors().OfType <Operation>().First().Variables,
context.Inputs));
return(new EnterLeaveListener(listener =>
{
// match a node type, arguments are considered a node the same as everything else in the query.
listener.Match <Argument>(arg =>
((GraphQLUserContext)context.UserContext).RequestedProductIds.UnionWith(GetProductIdsFromArgs(new Arguments {
arg
}, context, variableValues)));
}
));
}
public Language.AST.Variables ParseVariables()
{
return(Inputs == null ? null : ExecutionHelper.GetVariableValues(Document, Schema, Operation.Variables, Inputs));
}