public OrderTest()
{
_bikes = LoadJsonFile <Dictionary <string, Bike> >("testBikes.json");
var rules = LoadJsonFile <List <Discount <Line> > >("testRules.json");
_discountRulesEngine = new DiscountRulesEngine <Line>(rules);
}
public decimal CalculateDiscountPercentage(Customer customer)
{
// Use c# Reflection to create rule instances of the existing rules in this
// assembley and return into a rules IEnumerable for processing
// Nb - rules should be stateless
var ruleType = typeof(IDiscountRule);
IEnumerable <IDiscountRule> rules = this.GetType().Assembly.GetTypes()
.Where(p => ruleType.IsAssignableFrom(p) && !p.IsInterface)
.Select(r => Activator.CreateInstance(r) as IDiscountRule);
var engine = new DiscountRulesEngine(rules);
return(engine.CalculateDiscountPercentage(customer));
}
public Order(string company, DiscountRulesEngine <Line> discountRulesEngine)
{
Company = company;
_discountRulesEngine = discountRulesEngine;
}
