public GraphQlMainExecution(IGraphQlDocument document, __SchemaContainer schema, IGraphQlOutput output, Object topLevelObject, string operationName, String vars)
: base(document, schema)
{
this.TopLevelObject = topLevelObject;
this.output = output;
GetTypeFunc = schema.GetType;
var operation = GetTopLevelOperation(operationName);
var variables = new Dictionary <string, Object>();
// not parsed variables yet
output.PushObject("data");
ExecuteSelectionSet(new ModifiableSelectionSet(operation.selectionSet()), ExtractAppropriate__TypeForOperation(schema.__schema, operation), this.ExtractAppropriateObjectForOperation(topLevelObject, operation),
variables);
output.Pop();
}
void CompleteValue(__Type fieldType, GraphQLParser.FieldContext field, List <GraphQLParser.FieldContext> fields,
Object result,
Dictionary <string, Object> variableValues, bool assertNotNull = false, Context context = Context.Object)
{
if (fieldType.kind == __TypeKind.NON_NULL)
{
var innerType = fieldType.ofType;
CompleteValue(innerType, field, fields, result, variableValues, true);
}
else if (result == null && assertNotNull)
{
Error($"Null or empty value was found on non null field", field);
}
else if (fieldType.kind == __TypeKind.LIST)
{
if (result != null && TypeCheck.IsEnumerableType(result.GetType()) == false)
{
Error($"Did not find list type for {field.fieldName().GetText()} - found {result.GetType().Name}",
field);
}
var innerType = fieldType.ofType;
output.PushArray(field.fieldName().GetText());
if (result != null)
{
foreach (var c in (IEnumerable)result)
{
if (field.fieldName().GetText() == "types" && IsSchemaQuery && c is __Type &&
((__Type)c).name.StartsWith("__"))
{
continue;
}
CompleteValue(innerType, field, fields, c, variableValues, false, Context.List);
}
}
output.Pop();
}
else if (fieldType.kind == __TypeKind.SCALAR || fieldType.kind == __TypeKind.ENUM)
{
CoerceDotNetValue(fieldType, field, result, context);
}
else if (fieldType.kind == __TypeKind.OBJECT || fieldType.kind == __TypeKind.UNION ||
fieldType.kind == __TypeKind.INTERFACE)
{
if (fieldType.kind == __TypeKind.OBJECT || fieldType.kind == __TypeKind.UNION)
{
var objectType = fieldType;
var subSelectionSet = MergeSelectionSets(fields);
if (context == Context.Object)
{
if (result == null)
{
output.AddScalarProperty(field.fieldName().GetText(), null);
}
else
{
output.PushObject(field.fieldName().GetText());
ExecuteSelectionSet(subSelectionSet, objectType, result, variableValues);
}
}
else if (context == Context.List)
{
if (result != null)
{
output.PushObject();
ExecuteSelectionSet(subSelectionSet, objectType, result, variableValues);
}
}
if (result != null)
{
output.Pop();
}
}
else
{
Error($"Interface and Union not yet supported", field);
}
}
else
{
Error($"Unexpected fieldType - {fieldType.kind}", field);
}
}
