private IGraphType CreateGraphType(OperationType operationType, IEnumerable <GraphOperationDescriptor> operations)
{
var graphType = new GraphType(operationType);
if (operations == null)
{
return(graphType);
}
foreach (var operation in operations)
{
var resolver = new OperationResolver(operation, _binderProvider);
var type = _graphTypeProvider.GetGraphType(operation.MethodInfo.ReturnType, null, null);
var field = new GraphField(operation.Name, type, typeof(void), resolver);
foreach (var parameter in operation.Parameters.Values)
{
if (!parameter.IsGraphArgument)
{
continue;
}
var parameterGraphType = _graphTypeProvider.GetGraphType(parameter.ParameterInfo.ParameterType, parameter.IsRequired, null);
field.AddArgument(new NamedGraphType(parameter.ArgumentName, parameterGraphType));
}
graphType.AddField(typeof(void), field);
}
return(graphType);
}
private void AddEntityField <TEntity>(GraphType query, IEntityType entityType, FieldResolver resolver)
where TEntity : class
{
CreateEntityGraphType <TEntity>(entityType);
// TODO use a different resolver when this is a nav prop
query.AddField <ObjectGraphType <TEntity> >(
entityType.GraphQL().FieldName,
entityType.GraphQL().Description,
resolver);
}
private FieldType AddEntityCollectionField <TEntity>(GraphType query, IEntityType entityType, FieldResolver resolver)
where TEntity : class
{
CreateEntityGraphType <TEntity>(entityType);
var listFieldName = entityType.GraphQL().PluralFieldName;
return(query.AddField <ListGraphType <ObjectGraphType <TEntity> > >(
listFieldName,
entityType.GraphQL().PluralDescription,
resolver));
}