/// <summary>
/// Adds a lambda rule with fluent coding style
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="businessRules">The business rules.</param>
/// <param name="primaryProperty">The primary property.</param>
/// <param name="ruleHandler">The rule handler.</param>
/// <param name="message">The message.</param>
/// <param name="severity">The rule severity.</param>
public static void AddRule <T>(this BusinessRules businessRules, Csla.Core.IPropertyInfo primaryProperty, Func <T, bool> ruleHandler, string message, RuleSeverity severity)
where T : Csla.Core.BusinessBase
{
var rule = new CommonRules.Lambda(primaryProperty, (o) =>
{
var target = (T)o.Target;
using (target.BypassPropertyChecks)
{
if (!ruleHandler.Invoke(target))
{
o.Results.Add(new RuleResult(o.Rule.RuleName, primaryProperty, string.Format(message, o.Rule.PrimaryProperty.FriendlyName))
{
Severity = severity
});
}
}
});
#if !NETFX_CORE // must set unique name
var methodName = ruleHandler.Method.ToString();
rule.AddQueryParameter("s", Convert.ToBase64String(Encoding.Unicode.GetBytes(methodName)));
#endif
businessRules.AddRule(rule);
}
/// <summary>
/// Adds a lambda property level rule to business rules.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="businessRules">Business rules instance.</param>
/// <param name="ruleHandler">Rule method.</param>
/// <param name="primaryProperty">Primary property.</param>
/// <param name="ruleArgs">Rule args object.</param>
/// <param name="priority">Priority.</param>
//[Obsolete("For migration of older apps to Csla 4.x only")]
public static void AddRule <T>(this BusinessRules businessRules, RuleHandler <T, RuleArgs> ruleHandler, Csla.Core.IPropertyInfo primaryProperty, RuleArgs ruleArgs, int priority) where T : BusinessBase <T>
{
var rule = new Csla.Rules.CommonRules.Lambda(primaryProperty, (o) =>
{
var target = (T)o.Target;
using (new ObjectAccessor().BypassPropertyChecks(target))
{
if (!ruleHandler(target, ruleArgs))
{
o.Results.Add(new RuleResult(o.Rule.RuleName, o.Rule.PrimaryProperty, ruleArgs.Description)
{
Severity = ruleArgs.Severity, StopProcessing = ruleArgs.StopProcessing
});
}
else if (ruleArgs.StopProcessing)
{
o.AddSuccessResult(true);
}
else
{
o.AddSuccessResult(false);
}
ruleArgs.StopProcessing = false;
}
});
#if NETFX_CORE
var methodName = Guid.NewGuid().ToString();
#else
var methodName = ruleHandler.Method.ToString();
#endif
rule.AddQueryParameter("r", Convert.ToBase64String(Encoding.Unicode.GetBytes(methodName)));
rule.Priority = priority;
businessRules.AddRule(rule);
}
/// <summary>
/// Adds a lambda rule with fluent coding style to the RuleSet
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="businessRules">The business rules.</param>
/// <param name="ruleSet">The RuleSet.</param>
/// <param name="primaryProperty">The primary property.</param>
/// <param name="ruleHandler">The rule handler.</param>
/// <param name="messageDelegate">The message delegate.</param>
/// <param name="severity">The rule severity.</param>
public static void AddRule <T>(this BusinessRules businessRules, string ruleSet, Csla.Core.IPropertyInfo primaryProperty, Func <T, bool> ruleHandler, Func <string> messageDelegate, RuleSeverity severity)
where T : Csla.Core.BusinessBase
{
var rule = new CommonRules.Lambda(primaryProperty, (o) =>
{
var target = (T)o.Target;
using (target.BypassPropertyChecks)
{
if (!ruleHandler.Invoke(target))
{
o.Results.Add(new RuleResult(o.Rule.RuleName, primaryProperty, messageDelegate.Invoke())
{
Severity = severity
});
}
}
});
var methodName = ruleHandler.Method.ToString();
rule.AddQueryParameter("s", Convert.ToBase64String(Encoding.Unicode.GetBytes(methodName)));
businessRules.AddRule(rule, ruleSet);
}