private void Add <TProperty>(
string groupName,
Expression <Func <TModel, TProperty> > property,
LambdaExpression rule,
LambdaExpression enabled,
DryvRuleLocation ruleLocation)
{
var ruleDefinition = DryvCompiledRule.Create(property, rule, enabled, ruleLocation, groupName);
this.PropertyRules.Add(ruleDefinition);
}
private void Disable <TProperty>(
Expression <Func <TModel, TProperty> > property,
LambdaExpression rule,
LambdaExpression enabled,
DryvRuleLocation ruleLocation)
{
var ruleDefinition = DryvCompiledRule.Create(property, rule, enabled, ruleLocation, null);
ruleDefinition.IsDisablingRule = true;
this.DisablingRules.Add(ruleDefinition);
}
public static DryvCompiledRule Create <TModel, TProperty>(Expression <Func <TModel, TProperty> > property, LambdaExpression rule, LambdaExpression enabled, DryvRuleLocation ruleLocation, string groupName)
{
if (!(property.Body is MemberExpression memberExpression) ||
!(memberExpression.Member is PropertyInfo propertyInfo))
{
return(null);
}
var members = memberExpression
.Iterrate(e => e.Expression as MemberExpression)
.ToList();
var parameter = (ParameterExpression)members.Last().Expression;
var modelPath = string.Join(".", members
.Skip(1)
.Select(e => e.Member.Name.ToCamelCase())
.Reverse());
return(new DryvCompiledRule
{
EnablingExpression = enabled,
EvaluationLocation = ruleLocation,
GroupName = groupName,
ModelPath = modelPath,
ModelType = parameter.Type,
Property = propertyInfo,
PropertyExpression = memberExpression,
ValidationExpression = rule,
});
}
