protected override object CreateModel(ModelBindingContext bindingContext)
{
if (bindingContext == null)
{
throw new ArgumentNullException(nameof(bindingContext));
}
if (_modelCreator == null)
{
var modelTypeInfo = bindingContext.ModelType.GetTypeInfo();
var constructor = modelTypeInfo.GetConstructor(new[] { typeof(int) });
var parameter = Expression.Parameter(typeof(int), "p");
_modelCreator = Expression
.Lambda <Func <int, object> >(Expression.New(constructor, parameter), parameter)
.Compile();
}
var codePage = bindingContext.CodePage();
if (codePage == 0)
{
var option = bindingContext.HttpContext.RequestServices.GetRequiredService <IOptions <MT4NativeOption> >();
codePage = option?.Value?.codePage ?? 0;
}
return(_modelCreator(codePage));
}
protected virtual object CreateModel(MT4Manager manager, ModelBindingContext bindingContext)
{
var codePage = bindingContext.CodePage();
switch (bindingContext.ModelType.Name)
{
case "ConSymbol":
var value = bindingContext.GetParameterValue("Name");
return(manager.CfgRequestSymbol(codePage).Where(p => p.Name == value).First());
default: break;
}
return(null);
}