void priorityDownButten_Click(object sender, EventArgs e)
{
TodoItemPriorityDecreased @event = new TodoItemPriorityDecreased(todoItem.id);
state.LoadAndPersist(@event);
}
public IEvent transformEvent(TodoItemPriorityDecreased toTransform, IEvent transformAgainst)
{
if (transformAgainst.GetType().Equals(typeof(TodoItemDeleted)))
{
if (toTransform.aggregateId == ((TodoItemDeleted)transformAgainst).aggregateId)
//Delete todo item when other side has also deleted it. No problem, remove this event.
return new Unused();
}
else if (transformAgainst.GetType().Equals(typeof(TodoItemPriorityChanged)))
{
//Can just append.
}
else if (transformAgainst.GetType().Equals(typeof(TodoItemPriorityDecreased)))
{
//Can just append
}
else if (transformAgainst.GetType().Equals(typeof(TodoItemPriorityIncreased)))
{
//Can also just append.
}
else if (transformAgainst.GetType().Equals(typeof(TodoItemsDeleted)))
{
//If the item deleted is deleted by multiple on the server, remove this event
if (((TodoItemsDeleted)transformAgainst).aggregateIds.Contains(toTransform.aggregateId))
return new Unused();
}
return toTransform;
}