public __Type(Type t, Dictionary <Type, __Type> resolver, GraphQlCustomiseSchema customise, bool isInputType = false)
{
this.resolver = resolver;
this.customiseSchema = customise;
dotNetType = t;
if (resolver.ContainsKey(t) == false)
{
resolver[t] = this;
}
if (TypeCheck.IsNumeric(t) || TypeCheck.IsString(t) || TypeCheck.IsDateTime(t) || TypeCheck.IsBoolean(t))
{
ScalarType();
}
else if (TypeCheck.IsEnum(t))
{
EnumType();
}
else if (TypeCheck.IsEnumerableType(t))
{
ListType();
}
else if (TypeCheck.IsClass(t) && isInputType)
{
InputObjectType();
}
else if (TypeCheck.IsClass(t))
{
ObjectOrInterfaceType(__TypeKind.OBJECT);
}
else if (t.IsInterface)
{
ObjectOrInterfaceType(__TypeKind.INTERFACE);
}
else if (TypeCheck.IsValueType(t))
{
throw new Exception($"Unexpected value type = {t.Name}");
}
else
{
throw new Exception($"Unexpected type = {t.Name}");
}
}
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);
}
}