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LittleSheep
2025-05-24 03:21:39 +08:00
parent 2eff4364c9
commit 8da8c4bedd
4 changed files with 111 additions and 78 deletions
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58
DysonNetwork.Sphere/Storage/FileService.cs
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@ -399,6 +399,64 @@ public class FileService(
)
);
}
public async Task SetExpiresRangeAsync(ICollection<CloudFile> files, Duration? duration)
{
var ids = files.Select(f => f.Id).ToArray();
await db.Files.Where(o => ids.Contains(o.Id))
.ExecuteUpdateAsync(setter => setter.SetProperty(
b => b.ExpiredAt,
duration.HasValue
? b => SystemClock.Instance.GetCurrentInstant() + duration.Value
: _ => null
)
);
}
public async Task<(ICollection<CloudFile> current, ICollection<CloudFile> added, ICollection<CloudFile> removed)> DiffAndMarkFilesAsync(
ICollection<string>? newFileIds,
ICollection<CloudFile>? previousFiles = null
)
{
if (newFileIds == null) return ([], [], previousFiles ?? []);
var records = await db.Files.Where(f => newFileIds.Contains(f.Id)).ToListAsync();
var previous = previousFiles?.ToDictionary(f => f.Id) ?? new Dictionary<string, CloudFile>();
var current = records.ToDictionary(f => f.Id);
var added = current.Keys.Except(previous.Keys).Select(id => current[id]).ToList();
var removed = previous.Keys.Except(current.Keys).Select(id => previous[id]).ToList();
if (added.Count > 0) await MarkUsageRangeAsync(added, 1);
if (removed.Count > 0) await MarkUsageRangeAsync(removed, -1);
return (newFileIds.Select(id => current[id]).ToList(), added, removed);
}
public async Task<(ICollection<CloudFile> current, ICollection<CloudFile> added, ICollection<CloudFile> removed)> DiffAndSetExpiresAsync(
ICollection<string>? newFileIds,
Duration? duration,
ICollection<CloudFile>? previousFiles = null
)
{
if (newFileIds == null) return ([], [], previousFiles ?? []);
var records = await db.Files.Where(f => newFileIds.Contains(f.Id)).ToListAsync();
var previous = previousFiles?.ToDictionary(f => f.Id) ?? new Dictionary<string, CloudFile>();
var current = records.ToDictionary(f => f.Id);
var added = current.Keys.Except(previous.Keys).Select(id => current[id]).ToList();
var removed = previous.Keys.Except(current.Keys).Select(id => previous[id]).ToList();
if (added.Count > 0) await SetExpiresRangeAsync(added, duration);
if (removed.Count > 0) await SetExpiresRangeAsync(removed, null);
return (newFileIds.Select(id => current[id]).ToList(), added, removed);
}
}
public class CloudFileUnusedRecyclingJob(AppDatabase db, FileService fs, ILogger<CloudFileUnusedRecyclingJob> logger)