/// <summary>
/// Called when the repository content is changed
/// </summary>
protected void RaiseItemsChanged(object sender, RepositoryChangeEventArgs <TModel> args)
{
ItemsChanged?.Invoke(this, args);
}
/// <summary>
/// Updates the collection base on the operation type
/// </summary>
/// <typeparam name="T"></typeparam>
public static void Update <T>(this IList <T> collection, object sender, RepositoryChangeEventArgs <T> args)
{
collection.Update(args);
}
/// <summary>
/// Updates the collection base on the operation type
/// </summary>
/// <typeparam name="T"></typeparam>
public static void Update <T>(this IList <T> collection, RepositoryChangeEventArgs <T> args)
{
collection.Update(args.OperationType, args.Item);
}
private static void UpdateCollectionOnRepositoryChange <T, TKey, TTarget>(IList <TTarget> collection, ItemLocator <T, TTarget> locator, RepositoryChangeEventArgs <T> e, TTarget target) where T : IUniqueObject <TKey>
{
if (e.OperationType == OperationType.Add)
{
collection.Add(target);
}
else
{
var original = locator(e.Item);
if (e.OperationType == OperationType.Edit)
{
collection.Update(target, p => p.Equals(original));
}
else if (e.OperationType == OperationType.Delete)
{
collection.Remove(original);
}
}
}