internal static object Execute(ViewModel vm, MethodInfo method, object[] parameters)
{
return(vm.OnExecute(method, parameters));
}
internal static string GetClientScript(ViewModel vm)
{
return(vm.ClientScript.ToString());
}
internal static void CallOnCreated(ViewModel vm)
{
vm.OnCreated();
}
internal static void SetData(ViewModel vm, JObject data)
{
vm.Data = data;
}
/// <summary>
/// Find a method in all componenets and execute if found
/// </summary>
private object ExecuteMethod(string name, ViewModel vm, JToken[] parameters, IFormFileCollection files, IServiceProvider serviceProvider)
{
var met = _component.Methods[name];
var method = met.Method;
var pars = new List <object>();
var index = 0;
// check for permissions
if (met.IsAuthenticated && _user.Identity.IsAuthenticated == false)
{
throw new HttpException(401);
}
if (met.Roles.Length > 0 && met.Roles.Any(x => _user.IsInRole(x)) == false)
{
throw new HttpException(403, $"Forbidden. This method requires all this roles: `{string.Join("`, `", met.Roles)}`");
}
// convert each parameter as declared method in type
foreach (var p in method.GetParameters())
{
// if has no passed parameter, try create instance based on DI
if (index >= parameters.Length)
{
var value = serviceProvider.GetService(p.ParameterType);
pars.Add(value);
continue;
}
var token = parameters[index++];
if (p.ParameterType == typeof(IFormFile))
{
var value = ((JValue)token).Value.ToString();
pars.Add(files.GetFile(value));
}
else if (p.ParameterType == typeof(IList <IFormFile>))
{
var value = ((JValue)token).Value.ToString();
pars.Add(files.GetFiles(value));
}
else if (token.Type == JTokenType.Object)
{
var obj = ((JObject)token).ToObject(p.ParameterType);
pars.Add(obj);
}
else if (token.Type == JTokenType.String && p.ParameterType.IsEnum)
{
var value = ((JValue)token).Value.ToString();
pars.Add(Enum.Parse(p.ParameterType, value));
}
else
{
var value = ((JValue)token).Value;
pars.Add(Convert.ChangeType(value, p.ParameterType));
}
}
// now execute method inside viewmodel
return(ViewModel.Execute(vm, method, pars.ToArray()));
}
