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https://github.com/osukey/osukey.git
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Normalize all the line endings
This commit is contained in:
Dean Herbert
@ -1,149 +1,149 @@
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// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
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// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Linq.Expressions;
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using osu.Framework.Platform;
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namespace osu.Game.Database
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{
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/// <summary>
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/// A typed store which supports basic addition, deletion and updating for soft-deletable models.
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/// </summary>
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/// <typeparam name="T">The databased model.</typeparam>
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public abstract class MutableDatabaseBackedStore<T> : DatabaseBackedStore
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where T : class, IHasPrimaryKey, ISoftDelete
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{
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public event Action<T> ItemAdded;
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public event Action<T> ItemRemoved;
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protected MutableDatabaseBackedStore(IDatabaseContextFactory contextFactory, Storage storage = null)
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: base(contextFactory, storage)
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{
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}
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/// <summary>
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/// Access items pre-populated with includes for consumption.
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/// </summary>
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public IQueryable<T> ConsumableItems => AddIncludesForConsumption(ContextFactory.Get().Set<T>());
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/// <summary>
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/// Add a <see cref="T"/> to the database.
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/// </summary>
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/// <param name="item">The item to add.</param>
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public void Add(T item)
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{
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using (var usage = ContextFactory.GetForWrite())
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{
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var context = usage.Context;
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context.Attach(item);
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}
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ItemAdded?.Invoke(item);
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}
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/// <summary>
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/// Update a <see cref="T"/> in the database.
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/// </summary>
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/// <param name="item">The item to update.</param>
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public void Update(T item)
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{
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ItemRemoved?.Invoke(item);
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using (var usage = ContextFactory.GetForWrite())
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usage.Context.Update(item);
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ItemAdded?.Invoke(item);
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}
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/// <summary>
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/// Delete a <see cref="T"/> from the database.
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/// </summary>
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/// <param name="item">The item to delete.</param>
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public bool Delete(T item)
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{
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using (ContextFactory.GetForWrite())
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{
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Refresh(ref item);
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if (item.DeletePending) return false;
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item.DeletePending = true;
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}
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ItemRemoved?.Invoke(item);
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return true;
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}
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/// <summary>
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/// Restore a <see cref="T"/> from a deleted state.
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/// </summary>
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/// <param name="item">The item to undelete.</param>
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public bool Undelete(T item)
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{
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using (ContextFactory.GetForWrite())
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{
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Refresh(ref item, ConsumableItems);
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if (!item.DeletePending) return false;
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item.DeletePending = false;
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}
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ItemAdded?.Invoke(item);
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return true;
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}
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/// <summary>
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/// Allow implementations to add database-side includes or constraints when querying for consumption of items.
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/// </summary>
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/// <param name="query">The input query.</param>
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/// <returns>A potentially modified output query.</returns>
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protected virtual IQueryable<T> AddIncludesForConsumption(IQueryable<T> query) => query;
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/// <summary>
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/// Allow implementations to add database-side includes or constraints when deleting items.
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/// Included properties could then be subsequently deleted by overriding <see cref="Purge"/>.
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/// </summary>
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/// <param name="query">The input query.</param>
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/// <returns>A potentially modified output query.</returns>
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protected virtual IQueryable<T> AddIncludesForDeletion(IQueryable<T> query) => query;
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/// <summary>
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/// Called when removing an item completely from the database.
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/// </summary>
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/// <param name="items">The items to be purged.</param>
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/// <param name="context">The write context which can be used to perform subsequent deletions.</param>
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protected virtual void Purge(List<T> items, OsuDbContext context) => context.RemoveRange(items);
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public override void Cleanup()
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{
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base.Cleanup();
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PurgeDeletable();
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}
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/// <summary>
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/// Purge items in a pending delete state.
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/// </summary>
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/// <param name="query">An optional query limiting the scope of the purge.</param>
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public void PurgeDeletable(Expression<Func<T, bool>> query = null)
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{
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using (var usage = ContextFactory.GetForWrite())
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{
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var context = usage.Context;
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var lookup = context.Set<T>().Where(s => s.DeletePending);
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if (query != null) lookup = lookup.Where(query);
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lookup = AddIncludesForDeletion(lookup);
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var purgeable = lookup.ToList();
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if (!purgeable.Any()) return;
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Purge(purgeable, context);
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}
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}
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}
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}
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// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
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// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Linq.Expressions;
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using osu.Framework.Platform;
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namespace osu.Game.Database
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{
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/// <summary>
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/// A typed store which supports basic addition, deletion and updating for soft-deletable models.
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/// </summary>
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/// <typeparam name="T">The databased model.</typeparam>
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public abstract class MutableDatabaseBackedStore<T> : DatabaseBackedStore
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where T : class, IHasPrimaryKey, ISoftDelete
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{
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public event Action<T> ItemAdded;
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public event Action<T> ItemRemoved;
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protected MutableDatabaseBackedStore(IDatabaseContextFactory contextFactory, Storage storage = null)
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: base(contextFactory, storage)
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{
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}
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/// <summary>
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/// Access items pre-populated with includes for consumption.
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/// </summary>
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public IQueryable<T> ConsumableItems => AddIncludesForConsumption(ContextFactory.Get().Set<T>());
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/// <summary>
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/// Add a <see cref="T"/> to the database.
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/// </summary>
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/// <param name="item">The item to add.</param>
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public void Add(T item)
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{
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using (var usage = ContextFactory.GetForWrite())
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{
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var context = usage.Context;
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context.Attach(item);
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}
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ItemAdded?.Invoke(item);
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}
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/// <summary>
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/// Update a <see cref="T"/> in the database.
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/// </summary>
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/// <param name="item">The item to update.</param>
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public void Update(T item)
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{
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ItemRemoved?.Invoke(item);
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using (var usage = ContextFactory.GetForWrite())
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usage.Context.Update(item);
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ItemAdded?.Invoke(item);
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}
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/// <summary>
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/// Delete a <see cref="T"/> from the database.
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/// </summary>
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/// <param name="item">The item to delete.</param>
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public bool Delete(T item)
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{
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using (ContextFactory.GetForWrite())
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{
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Refresh(ref item);
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if (item.DeletePending) return false;
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item.DeletePending = true;
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}
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ItemRemoved?.Invoke(item);
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return true;
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}
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/// <summary>
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/// Restore a <see cref="T"/> from a deleted state.
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/// </summary>
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/// <param name="item">The item to undelete.</param>
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public bool Undelete(T item)
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{
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using (ContextFactory.GetForWrite())
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{
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Refresh(ref item, ConsumableItems);
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if (!item.DeletePending) return false;
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item.DeletePending = false;
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}
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ItemAdded?.Invoke(item);
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return true;
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}
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/// <summary>
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/// Allow implementations to add database-side includes or constraints when querying for consumption of items.
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/// </summary>
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/// <param name="query">The input query.</param>
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/// <returns>A potentially modified output query.</returns>
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protected virtual IQueryable<T> AddIncludesForConsumption(IQueryable<T> query) => query;
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/// <summary>
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/// Allow implementations to add database-side includes or constraints when deleting items.
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/// Included properties could then be subsequently deleted by overriding <see cref="Purge"/>.
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/// </summary>
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/// <param name="query">The input query.</param>
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/// <returns>A potentially modified output query.</returns>
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protected virtual IQueryable<T> AddIncludesForDeletion(IQueryable<T> query) => query;
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/// <summary>
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/// Called when removing an item completely from the database.
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/// </summary>
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/// <param name="items">The items to be purged.</param>
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/// <param name="context">The write context which can be used to perform subsequent deletions.</param>
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protected virtual void Purge(List<T> items, OsuDbContext context) => context.RemoveRange(items);
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public override void Cleanup()
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{
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base.Cleanup();
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PurgeDeletable();
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}
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/// <summary>
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/// Purge items in a pending delete state.
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/// </summary>
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/// <param name="query">An optional query limiting the scope of the purge.</param>
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public void PurgeDeletable(Expression<Func<T, bool>> query = null)
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{
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using (var usage = ContextFactory.GetForWrite())
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{
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var context = usage.Context;
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var lookup = context.Set<T>().Where(s => s.DeletePending);
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if (query != null) lookup = lookup.Where(query);
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lookup = AddIncludesForDeletion(lookup);
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var purgeable = lookup.ToList();
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if (!purgeable.Any()) return;
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Purge(purgeable, context);
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}
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}
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}
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}
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