public object BindModel(ControllerContext controllerContext, ModelBindingContext bindingContext)
{
// Html.ValidationMessageFor() requires an errorMessage (over an exception) to be set when adding errors to the ModelState
DateTime result;
if (bindingContext == null)
{
throw new ArgumentNullException("bindingContext");
}
// datetime split over 3 inputs
if (bindingContext.ValueProvider.ContainsPrefix(bindingContext.ModelName + ".Year") &&
bindingContext.ValueProvider.ContainsPrefix(bindingContext.ModelName + ".Month") &&
bindingContext.ValueProvider.ContainsPrefix(bindingContext.ModelName + ".Day"))
{
string year, month, day;
if (bindingContext.TryGetValue(".Year", out year) &&
bindingContext.TryGetValue(".Month", out month) &&
bindingContext.TryGetValue(".Day", out day))
{
if (DateTimeFunctions.TryCreate(year, month, day, out result))
{
return(result);
}
bindingContext.ModelState.AddModelError(bindingContext.ModelName, string.Format(@"""{0}/{1}/{2}"" is not a valid date", year, month, day));
return(null);
}
}
// normal datetime
if (bindingContext.ValueProvider.ContainsPrefix(bindingContext.ModelName))
{
string date;
if (bindingContext.TryGetValue(out date))
{
if (DateTime.TryParse(date, out result))
{
return(result);
}
bindingContext.ModelState.AddModelError(bindingContext.ModelName, string.Format(@"""{0}"" is not a valid date", date));
return(null);
}
}
bindingContext.ModelState.AddModelError(bindingContext.ModelName, "Unable to bind the date/time");
return(null);
}
public Task BindModelAsync(ModelBindingContext bindingContext)
{
var valueName = string.IsNullOrEmpty(bindingContext.ModelName)
? bindingContext.ModelMetadata.Name
: bindingContext.ModelName;
var limit = PagingParameters.DefaultLimit;
var cursor = PagingCursor.Start;
if (bindingContext.TryGetValue <int>("limit", out var limitResult))
{
limit = limitResult.Value;
}
if (bindingContext.TryGetStringValue("cursor", out var cursorResult))
{
cursor = new PagingCursor(cursorResult.Value);
}
var pagingParameters = new PagingParameters(cursor, limit).Coerce();
bindingContext.ModelState.MarkFieldValid(valueName);
bindingContext.Result = ModelBindingResult.Success(pagingParameters);
return(Task.CompletedTask);
}
