/// <summary>
/// Cheks the Rules Violations on the given <see cref="IModelEntity"/>. If rules violations exist,
/// a <see cref="RulesViolationsException"/> is thrown.
/// </summary>
/// <param name="modelEntity">The model entity.</param>
/// <exception cref="RulesViolationsException">
/// Thrown if rules violations exist.
/// </exception>
public static void CheckRulesViolations(this IModelEntity modelEntity)
{
if (!modelEntity.IsValid())
{
throw new RulesViolationsException("Rule violations prevent saving", modelEntity.GetRuleViolations());
}
}
public static void AddRulesViolations(this ModelStateDictionary modelState, IModelEntity modelEntity)
{
foreach (RuleViolation issue in modelEntity.GetRuleViolations())
{
modelState.AddModelError(issue.PropertyName, issue.ErrorMessage);
}
}
/// <summary>
/// Determines wheather the <see cref="IModelEntity"/> instance is valid (without business rules
/// violations).
/// </summary>
/// <param name="modelEntity">The <see cref="IModelEntity"/> that this method extends.</param>
/// <returns>
/// <c>true</c>if <paramref name="modelEntity"/> instance is valid; otherwise, <c>false</c>.
/// </returns>
public static bool IsValid(this IModelEntity modelEntity)
{
return(modelEntity.GetRuleViolations().GetEnumerator().MoveNext() == false);
}
