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);
}
