void IValidationRuleInternal <T> .AddDependentRules(IEnumerable <IValidationRuleInternal <T> > rules)
{
if (DependentRules == null)
{
DependentRules = new();
}
DependentRules.AddRange(rules);
}
/// <summary>
/// Triggers an action when the rule passes. Typically used to configure dependent rules. This applies to all preceding rules in the chain.
/// </summary>
/// <param name="rule">The current rule</param>
/// <param name="action">An action to be invoked if the rule is valid</param>
/// <returns></returns>
public static IRuleBuilderOptions <T, TProperty> DependentRules <T, TProperty>(this IRuleBuilderOptions <T, TProperty> rule, Action <DependentRules <T> > action)
{
var dependencyContainer = new DependentRules <T>();
action(dependencyContainer);
rule.Configure(cfg => {
cfg.DependentRules.AddRange(dependencyContainer);
});
return(rule);
}
/// <summary>
/// Triggers an action when the rule passes. Typically used to configure dependent rules. This applies to all preceding rules in the chain.
/// </summary>
/// <param name="rule">The current rule</param>
/// <param name="action">An action to be invoked if the rule is valid</param>
/// <returns></returns>
public static IRuleBuilderOptions <T, TProperty> DependentRules <T, TProperty>(this IRuleBuilderOptions <T, TProperty> rule, Action <DependentRules <T> > action)
{
var dependencyContainer = new DependentRules <T>();
if (rule is IExposesParentValidator <T> exposesParentValidator)
{
if (exposesParentValidator.ParentValidator is AbstractValidator <T> parent)
{
// Capture any rules added to the parent validator inside this delegate.
void OnRuleAddedToParent(IValidationRule r)
{
dependencyContainer.AddRule(r);
parent.NestedValidators.Remove(r);
}
using (parent.NestedValidators.OnItemAdded(OnRuleAddedToParent)) {
action(dependencyContainer);
}
}
}
else
{
action(dependencyContainer);
}
rule.Configure(cfg => {
if (!string.IsNullOrEmpty(cfg.RuleSet))
{
foreach (var dependentRule in dependencyContainer)
{
var propRule = dependentRule as PropertyRule;
if (propRule != null && string.IsNullOrEmpty(propRule.RuleSet))
{
propRule.RuleSet = cfg.RuleSet;
}
}
}
cfg.DependentRules.AddRange(dependencyContainer);
});
return(rule);
}
/// <summary>
/// Applies the condition to the rule asynchronously
/// </summary>
/// <param name="predicate"></param>
/// <param name="applyConditionTo"></param>
public void ApplyAsyncCondition(Func <ValidationContext, CancellationToken, Task <bool> > predicate, ApplyConditionTo applyConditionTo = ApplyConditionTo.AllValidators)
{
// Default behaviour for When/Unless as of v1.3 is to apply the condition to all previous validators in the chain.
if (applyConditionTo == ApplyConditionTo.AllValidators)
{
foreach (var validator in Validators.ToList())
{
var wrappedValidator = new DelegatingValidator(predicate, validator);
ReplaceValidator(validator, wrappedValidator);
}
foreach (var dependentRule in DependentRules.ToList())
{
dependentRule.ApplyAsyncCondition(predicate, applyConditionTo);
}
}
else
{
var wrappedValidator = new DelegatingValidator(predicate, CurrentValidator);
ReplaceValidator(CurrentValidator, wrappedValidator);
}
}
/// <summary>
/// Triggers an action when the rule passes. Typically used to configure dependent rules. This applies to all preceding rules in the chain.
/// </summary>
/// <param name="rule">The current rule</param>
/// <param name="action">An action to be invoked if the rule is valid</param>
/// <returns></returns>
public static IRuleBuilderOptions <T, TProperty> DependentRules <T, TProperty>(this IRuleBuilderOptions <T, TProperty> rule, Action <DependentRules <T> > action)
{
var dependencyContainer = new DependentRules <T>();
action(dependencyContainer);
rule.Configure(cfg => {
if (!string.IsNullOrEmpty(cfg.RuleSet))
{
foreach (var dependentRule in dependencyContainer)
{
var propRule = dependentRule as PropertyRule;
if (propRule != null && string.IsNullOrEmpty(propRule.RuleSet))
{
propRule.RuleSet = cfg.RuleSet;
}
}
}
cfg.DependentRules.AddRange(dependencyContainer);
});
return(rule);
}
private Task RunDependentRulesAsync(List <ValidationFailure> failures, ValidationContext context, CancellationToken cancellation)
{
var validations = DependentRules.Select(v => v.ValidateAsync(context, cancellation).Then(fs => failures.AddRange(fs), runSynchronously: true));
return(TaskHelpers.Iterate(validations, cancellationToken: cancellation));
}
