void IAnimalEventHandler.Apply(AnimalEvent e, IAnimalEventContext context)
{
if (e is TEvent)
{
Apply(e as TEvent, context);
}
}
bool IAnimalEventHandler.Validate(AnimalEvent e, IAnimalEventContext context)
{
if (e is TEvent)
{
return(Validate(e as TEvent, context));
}
return(true);
}
public override void Apply(AnimalRulesetChangeEvent e, IAnimalEventContext context)
{
Animal animal = context.Animal;
context.ActiveRuleset = context.GetRulesetAsync(e.NewVersionId).GetAwaiter().GetResult();
AnimalType animalType = context.ActiveRuleset.AnimalTypes[animal.TypeId];
var newAttributes = animalType.Attributes.Keys.Except(animal.Attributes.Keys);
foreach (string newAttributeId in newAttributes)
{
animal.Attributes.Add(newAttributeId, animalType.Attributes[newAttributeId].InitialValue);
}
}
public override void Apply(AnimalActionEvent e, IAnimalEventContext context)
{
Animal animal = context.Animal;
AnimalAction action = context.ActiveRuleset.AnimalActions[e.AnimalActionId];
AnimalType animalType = context.ActiveRuleset.AnimalTypes[animal.TypeId];
foreach (string attributeId in action.AttributeEffects.Keys)
{
AnimalTypeAttribute animalTypeAttribute = animalType.Attributes[attributeId];
decimal minValue = animalTypeAttribute.MinValue;
decimal maxValue = animalTypeAttribute.MaxValue;
decimal newValue = animal.Attributes[attributeId] + action.AttributeEffects[attributeId];
newValue = Math.Max(minValue, Math.Min(maxValue, newValue));
animal.Attributes[attributeId] = newValue;
}
}
public override void Apply(CreateAnimalEvent e, IAnimalEventContext context)
{
AnimalType animalType = context.ActiveRuleset.AnimalTypes[e.AnimalTypeId];
var animal = new Animal
{
Id = e.AnimalId,
Name = e.Name,
UserId = e.OwnerUserId,
TypeId = e.AnimalTypeId,
Attributes = animalType.Attributes.ToDictionary(a => a.Key, a => a.Value.InitialValue),
LastCalculated = e.Time,
Created = e.Time
};
context.Animal = animal;
}
public abstract void Apply(TEvent e, IAnimalEventContext context);
public abstract bool Validate(TEvent e, IAnimalEventContext context);
public override bool Validate(CreateAnimalEvent e, IAnimalEventContext context)
{
return(true);
}
public override bool Validate(AnimalActionEvent e, IAnimalEventContext context)
{
return(true);
}
public override bool Validate(AnimalRulesetChangeEvent e, IAnimalEventContext context)
{
return(true);
}
