/// <summary>
/// Execute following steps in sequence:
/// <ol>
/// <li>Check for ModelState, and return to origin view if any error exists;</li>
/// <li>Execute method specified by <paramref name="action"/></li>
/// <li>If action success, then set TempData.message to <paramref name="successMessage"/>
/// and return <paramref name="redirectUrl"/>;</li>
/// <li>If action execute failed, then call <see cref="HandleErrorAttribute"/> and return origin view;</li>
/// </ol>
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="action"></param>
/// <param name="flags"></param>
/// <param name="model"></param>
/// <param name="redirectUrl"></param>
/// <param name="successMessage"></param>
protected internal ActionResult ExecuteAndRedirect <T>(T model, Action <T> action,
string redirectUrl, string successMessage,
ActionExecutionFlags flags = ActionExecutionFlags.Default)
{
Expect.IsNotNull(model, nameof(model));
Expect.IsNotNull(action, nameof(action));
Expect.IsNotBlank(redirectUrl, nameof(redirectUrl));
if (!flags.HasFlag(ActionExecutionFlags.NoCheckModelState))
{
if (!ModelState.IsValid)
{
return(View(model));
}
}
try
{
action(model);
if (successMessage.IsNotBlank())
{
TempMessage = successMessage;
}
return(Redirect(redirectUrl));
}
catch (Exception exp)
{
HandleUiException(exp);
return(View(model));
}
}
/// <summary>
/// Execute action and return ResultDTO
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="param"></param>
/// <param name="action"></param>
/// <param name="flags"></param>
/// <returns></returns>
protected internal JsonResult ExecuteJson <T>(T param, Action <T> action,
ActionExecutionFlags flags = ActionExecutionFlags.Default)
{
var result = new ResultDto();
if (!flags.HasFlag(ActionExecutionFlags.NoCheckModelState) &&
!ModelState.IsValid)
{
result.SetResult(false, ModelState.GetFirstError().ErrorMessage);
}
else
{
try
{
action(param);
result.SetResult(true);
}
catch (Exception exp)
{
HandleUiException(exp);
result.SetResult(false, exp.Message);
}
}
return(CustomJson(result, JsonRequestBehavior.AllowGet));
}
