public override EventResult Apply(ProductTagAdd e, IEventOptions options)
{
var result = base.Apply(e, options);
var tag = UnitOfWork.TagRepository.Find(x => x.Name == e.Value).FirstOrDefault();
if (tag == null)
{
Entity.ProductTags.Add(new DataModel.ProductTag {
ProductId = Entity.Id, Tag = new DataModel.Tag {
Name = e.Value
}
});
}
else
{
Entity.ProductTags.Add(new DataModel.ProductTag {
ProductId = Entity.Id, TagId = tag.Id
});
}
if (options.Store)
{
CreateLog("Tags", e.Value.ToString());
}
return(result);
}
protected virtual EventResult ApplyChanges(V entity, T e, IEventOptions options)
{
var result = new EventResult();
var handlers = GetHandlers(entity);
foreach (var ev in e.Events)
{
foreach (var h in handlers)
{
h.Apply(ev.Value, options);
}
}
return(result);
}
public override EventResult Apply(ProductNameChange e, IEventOptions options)
{
var result = base.Apply(e, options);
if (!string.Equals(Entity.Name, e.Value))
{
Entity.Name = e.Value;
if (options.Store)
{
CreateLog("Name", e.Value);
}
}
return(result);
}
public override EventResult Apply(ProductStateChange e, IEventOptions options)
{
var result = base.Apply(e, options);
if (Entity.State != e.Value)
{
Entity.State = e.Value;
if (options.Store)
{
CreateLog("State", e.Value.ToString());
}
}
return(result);
}
public override EventResult Apply(ProductPriceChange e, IEventOptions options)
{
var result = base.Apply(e, options);
if (!decimal.Equals(Entity.Price, e.Value))
{
Entity.Price = e.Value;
if (options.Store)
{
CreateLog("Price", e.Value.ToString());
}
}
return(result);
}
public sealed override EventResult Apply(T e, IEventOptions options)
{
var result = base.Apply(e, options);
var entity = GetEntity(e);
result += ApplyChanges(entity, e, options);
if (result.Success)
{
result += SaveChanges(entity);
}
else
{
result += Rollback(entity);
}
return(result);
}
public override EventResult Apply(ProductTagRemove e, IEventOptions options)
{
var result = base.Apply(e, options);
var tag = UnitOfWork.TagRepository.Find(x => x.Name == e.Value).FirstOrDefault();
if (tag == null)
{
return(result);
}
Entity.ProductTags.Remove(Entity.ProductTags.FirstOrDefault(x => x.TagId == tag.Id));
if (options.Store)
{
CreateLog("Tags", e.Value.ToString());
}
return(result);
}
public abstract EventResult Apply(EventBase e, IEventOptions options);
