public GenericType(IGraphQLBuilder builder = null)
{
try
{
var typedClass = typeof(T);
var props = typedClass.GetProperties();
foreach (var prop in props)
{
Type propGraphQLType = null;
propGraphQLType = prop.PropertyType.TryConvertToGraphQLType();
if (propGraphQLType != null && GraphQLExtensions.IsExtendedGraphQLType(propGraphQLType))
{
var resolvedType = propGraphQLType;
builder
.GetType()
.GetInterface("IGraphQLBuilder")
.GetMethod("Type")
.MakeGenericMethod(resolvedType)
.Invoke(builder, null);
}
else if (propGraphQLType is null)
{
var resolvedType = propGraphQLType ?? prop.PropertyType;
builder
.GetType()
.GetInterface("IGraphQLBuilder")
.GetMethod("Type")
.MakeGenericMethod(resolvedType)
.Invoke(builder, null);
propGraphQLType = typeof(GenericType <>).MakeGenericType(resolvedType);
if (propGraphQLType is null)
{
throw new InvalidCastException(
$"{prop.Name} was not automatically convertible into a GraphQL type. " +
$"Try explicitly adding this Type through the GraphQL-Core middleware.");
}
propGraphQLType = GraphQLCoreTypeWrapperGenerator.GetDerivedGenericUserType(propGraphQLType);
if (propGraphQLType is null)
{
throw new NotSupportedException(
$"{prop.Name} is a custom type but was not registered through builder. " +
$"Try explicitly adding this Type through the Graph-Core middleware");
}
}
Field(propGraphQLType, prop.Name);
}
}
catch (Exception e)
{
throw new GraphQLCoreTypeException($"An attempt to create a generic type for type {nameof(T)} failed. Refer to inner exception for details", e);
}
}