private static IResolveFieldContext CreateResolveFieldContext(ISchema schema, string query) { var documentBuilder = new GraphQLDocumentBuilder(); var document = documentBuilder.Build(query); schema.Initialize(); var executionContext = new ExecutionContext { Document = document, Schema = schema, Fragments = document.Fragments, Operation = document.Operations.First() }; var root = new RootExecutionNode(schema.Query) { Result = executionContext.RootValue }; var fields = ExecutionHelper.CollectFields(executionContext, schema.Query, executionContext.Operation.SelectionSet); ExecutionStrategy.SetSubFieldNodes(executionContext, root, fields); var subNode = root.SubFields.FirstOrDefault(); return(new ReadonlyResolveFieldContext(subNode.Value, executionContext)); }
public ArrayExecutionNode BuildEdgesArrayExecutionNode(ExecutionContext context, ExecutionNode node) { if (node is ObjectExecutionNode objectNode) { ExecutionStrategy.SetSubFieldNodes(context, objectNode); // Reference: // https://github.com/graphql-dotnet/graphql-dotnet/blob/master/src/GraphQL/Execution/ExecutionStrategy.cs#L167 var fields = CollectFields(context, objectNode.GraphType, node.Field.SelectionSet); if (fields.ContainsKey("edges")) { var edgesField = fields["edges"]; var schema = context.Schema; var edgesFieldDefinition = GetFieldDefinition( context.Document, schema, objectNode.GetObjectGraphType(schema), edgesField); var edgesNode = ExecutionStrategy.BuildExecutionNode(objectNode, edgesFieldDefinition.ResolvedType, edgesField, edgesFieldDefinition); if (objectNode.Result is Connection <TNode> connection) { if (edgesNode is ArrayExecutionNode edgesArrayNode) { edgesArrayNode.Result = connection.Edges; ExecutionStrategy.SetArrayItemNodes(context, edgesArrayNode); return(edgesArrayNode); } } } } return(null); }