public async Task <JsonSchema4> GetSchema(Type type)
{
bool isEnumerable = false;
//See if we are returning a task, and get its type
if (typeof(IAsyncResult).IsAssignableFrom(type))
{
if (type.GenericTypeArguments.Length == 0)
{
//If we are a task with no generic args, this is the equivalent of void, return null
return(null);
}
type = type.GenericTypeArguments.First();
}
//If we allow collections check the collection type
if (typeof(IEnumerable).IsAssignableFrom(type) && type.GenericTypeArguments.Length > 0)
{
type = type.GenericTypeArguments.First();
isEnumerable = true;
}
//Handle action results special, mark an extension in the schema
if (typeof(IActionResult).IsAssignableFrom(type))
{
var schema = new JsonSchema4()
{
Title = "Response",
};
schema.SetRawResponse(true);
return(schema);
}
//Also make sure we have a HalModelAttribute on the class.
if (!validSchemaManager.IsValid(type))
{
throw new InvalidOperationException($"{type.Name} is not a valid schema object. {validSchemaManager.ErrorMessage}");
}
//Create schema from type
var t = await generator.GenerateAsync(type);
//Set the array extension to true if this was enumerable
t.SetIsArray(isEnumerable);
return(t);
}