mirror of
https://github.com/ppy/osu.git
synced 2024-11-06 15:17:28 +08:00
91 lines
3.6 KiB
C#
91 lines
3.6 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
|
|
// See the LICENCE file in the repository root for full licence text.
|
|
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.IO;
|
|
using System.Threading.Tasks;
|
|
using osu.Framework.Bindables;
|
|
using osu.Game.IO;
|
|
|
|
namespace osu.Game.Database
|
|
{
|
|
/// <summary>
|
|
/// Represents a model manager that publishes events when <typeparamref name="TModel"/>s are added or removed.
|
|
/// </summary>
|
|
/// <typeparam name="TModel">The model type.</typeparam>
|
|
public interface IModelManager<TModel> : IModelImporter<TModel>
|
|
where TModel : class
|
|
{
|
|
/// <summary>
|
|
/// A bindable which contains a weak reference to the last item that was updated.
|
|
/// This is not thread-safe and should be scheduled locally if consumed from a drawable component.
|
|
/// </summary>
|
|
IBindable<WeakReference<TModel>> ItemUpdated { get; }
|
|
|
|
/// <summary>
|
|
/// A bindable which contains a weak reference to the last item that was removed.
|
|
/// This is not thread-safe and should be scheduled locally if consumed from a drawable component.
|
|
/// </summary>
|
|
IBindable<WeakReference<TModel>> ItemRemoved { get; }
|
|
|
|
/// <summary>
|
|
/// This is a temporary method and will likely be replaced by a full-fledged (and more correctly placed) migration process in the future.
|
|
/// </summary>
|
|
Task ImportFromStableAsync(StableStorage stableStorage);
|
|
|
|
/// <summary>
|
|
/// Exports an item to a legacy (.zip based) package.
|
|
/// </summary>
|
|
/// <param name="item">The item to export.</param>
|
|
void Export(TModel item);
|
|
|
|
/// <summary>
|
|
/// Exports an item to the given output stream.
|
|
/// </summary>
|
|
/// <param name="model">The item to export.</param>
|
|
/// <param name="outputStream">The output stream to export to.</param>
|
|
void ExportModelTo(TModel model, Stream outputStream);
|
|
|
|
/// <summary>
|
|
/// Perform an update of the specified item.
|
|
/// TODO: Support file additions/removals.
|
|
/// </summary>
|
|
/// <param name="item">The item to update.</param>
|
|
void Update(TModel item);
|
|
|
|
/// <summary>
|
|
/// Delete an item from the manager.
|
|
/// Is a no-op for already deleted items.
|
|
/// </summary>
|
|
/// <param name="item">The item to delete.</param>
|
|
/// <returns>false if no operation was performed</returns>
|
|
bool Delete(TModel item);
|
|
|
|
/// <summary>
|
|
/// Delete multiple items.
|
|
/// This will post notifications tracking progress.
|
|
/// </summary>
|
|
void Delete(List<TModel> items, bool silent = false);
|
|
|
|
/// <summary>
|
|
/// Restore multiple items that were previously deleted.
|
|
/// This will post notifications tracking progress.
|
|
/// </summary>
|
|
void Undelete(List<TModel> items, bool silent = false);
|
|
|
|
/// <summary>
|
|
/// Restore an item that was previously deleted. Is a no-op if the item is not in a deleted state, or has its protected flag set.
|
|
/// </summary>
|
|
/// <param name="item">The item to restore</param>
|
|
void Undelete(TModel item);
|
|
|
|
/// <summary>
|
|
/// Checks whether a given <typeparamref name="TModel"/> is already available in the local store.
|
|
/// </summary>
|
|
/// <param name="model">The <typeparamref name="TModel"/> whose existence needs to be checked.</param>
|
|
/// <returns>Whether the <typeparamref name="TModel"/> exists.</returns>
|
|
bool IsAvailableLocally(TModel model);
|
|
}
|
|
}
|