/// <summary>
/// Includes pattern validation metadata to a reactive property.
/// </summary>
/// <param name="prop">Property to include.</param>
/// <param name="vm">View model of the property.</param>
/// <param name="regexPattern">Regular expression pattern.</param>
/// <param name="message">Validation message.</param>
/// <param name="category">Validation category.</param>
/// <returns>Property.</returns>
public static ReactiveProperty <TProp> WithPatternValidation <TProp>(this ReactiveProperty <TProp> prop,
IReactiveProperties vm, string regexPattern, string message = null, Validation.Categories category = Validation.Categories.Error)
{
message = message ?? $"{prop.GetLabelAttribute(vm)} must match the pattern '{regexPattern}'";
return(prop.WithValidation(vm, new PatternValidation(regexPattern, message, category)));
}
/// <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 maximum value validation metadata to a reactive property.
/// </summary>
/// <param name="prop">Property to include.</param>
/// <param name="vm">View model of the property.</param>
/// <param name="max">Minimum value.</param>
/// <param name="message">Validation message.</param>
/// <param name="category">Validation category.</param>
/// <returns>Property.</returns>
public static ReactiveProperty <TProp> WithMaxValidation <TProp, T>(this ReactiveProperty <TProp> prop,
IReactiveProperties vm, T max, string message = null, Validation.Categories category = Validation.Categories.Error) where T : struct
{
message = message ?? $"{prop.GetLabelAttribute(vm)} must be at most {max}";
return(prop.WithValidation(vm, new RangeValidation <T>(null, max, message, category)));
}
/// <summary>
/// Includes server validation metadata to a reactive property.
/// When this is included, the property value will be sent to the server when it changed.
/// </summary>
/// <param name="prop">Property to include.</param>
/// <param name="vm">View model of the property.</param>
/// <param name="validate">Validation function.</param>
/// <param name="message">Validation message.</param>
/// <param name="category">Validation category.</param>
/// <returns>Property.</returns>
public static ReactiveProperty <TProp> WithServerValidation <TProp>(this ReactiveProperty <TProp> prop,
Func <TProp, bool> validate, string message, Validation.Categories category = Validation.Categories.Error)
{
var vm = prop.ViewModel ?? throw new NullReferenceException($"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));
}
/// <summary>
/// Includes maximum value validation metadata to a reactive property.
/// </summary>
/// <param name="prop">Property to include.</param>
/// <param name="vm">View model of the property.</param>
/// <param name="max">Minimum value.</param>
/// <param name="message">Validation message.</param>
/// <param name="category">Validation category.</param>
/// <returns>Property.</returns>
public static ReactiveProperty <TProp> WithMaxValidation <TProp, T>(this ReactiveProperty <TProp> prop,
T max, string message = null, Validation.Categories category = Validation.Categories.Error) where T : struct
{
var vm = prop.ViewModel ?? throw new NullReferenceException($"Property '{prop.Name}' has no view model!");
message = message ?? $"{prop.GetLabelAttribute(vm)} must be at most {max}";
return(prop.WithValidation(new RangeValidation <T>(null, max, message, category)));
}
/// <summary>
/// Includes pattern validation metadata to a reactive property.
/// </summary>
/// <param name="prop">Property to include.</param>
/// <param name="vm">View model of the property.</param>
/// <param name="regexPattern">Regular expression pattern.</param>
/// <param name="message">Validation message.</param>
/// <param name="category">Validation category.</param>
/// <returns>Property.</returns>
public static ReactiveProperty <TProp> WithPatternValidation <TProp>(this ReactiveProperty <TProp> prop,
string regexPattern, string message = null, Validation.Categories category = Validation.Categories.Error)
{
var vm = prop.ViewModel ?? throw new NullReferenceException($"Property '{prop.Name}' has no view model!");
message = message ?? $"{prop.GetLabelAttribute(vm)} must match the pattern '{regexPattern}'";
return(prop.WithValidation(new PatternValidation(regexPattern, message, category)));
}
