/// <summary>
/// Includes server validation metadata to a reactive property.
/// When this is included, the property value will be sent to the server when it changed.
/// </summary>
/// <param name="prop">Property to include.</param>
/// <param name="vm">View model of the property.</param>
/// <param name="validate">Validation function.</param>
/// <param name="message">Validation message.</param>
/// <param name="category">Validation category.</param>
/// <returns>Property.</returns>
public static ReactiveProperty <TProp> WithServerValidation <TProp>(this ReactiveProperty <TProp> prop,
IReactiveProperties vm, Func <TProp, bool> validate, string message, Validation.Categories category = Validation.Categories.Error)
{
var serverValidation = new ServerValidation(message);
var validationMsgProp = typeof(BaseVM).IsAssignableFrom(vm.GetType()) ?
(vm as BaseVM).AddProperty <bool>(ToValidationMessageName(prop, serverValidation.Id))
: vm.AddProperty <bool>(ToValidationMessageName(prop, serverValidation.Id));
validationMsgProp.SubscribeTo(prop.Select(val => validate(val)));
return(prop.WithValidation(vm, serverValidation));
}
/// <summary>
/// Includes server validation metadata to a reactive property.
/// When this is included, the property value will be sent to the server when it changed.
/// </summary>
/// <param name="prop">Property to include.</param>
/// <param name="vm">View model of the property.</param>
/// <param name="validate">Validation function.</param>
/// <param name="message">Validation message.</param>
/// <param name="category">Validation category.</param>
/// <returns>Property.</returns>
public static ReactiveProperty <TProp> WithServerValidation <TProp>(this ReactiveProperty <TProp> prop,
Func <TProp, bool> validate, string message, Validation.Categories category = Validation.Categories.Error)
{
var vm = prop.ViewModel ?? throw new NullReferenceException($"Property '{prop.Name}' has no view model!");
var serverValidation = new ServerValidation(message);
var validationMsgProp = typeof(BaseVM).IsAssignableFrom(vm.GetType()) ?
(vm as BaseVM).AddProperty <bool>(ToValidationMessageName(prop, serverValidation.Id))
: vm.AddProperty <bool>(ToValidationMessageName(prop, serverValidation.Id));
validationMsgProp.SubscribeTo(prop.Select(val => validate(val)));
return(prop.WithValidation(serverValidation));
}