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duplicati/proprietary/Office365/SourceItems/UserMailboxRulesSourceEntry.cs
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// Copyright (c) 2026 Duplicati Inc. All rights reserved.
using System.Runtime.CompilerServices;
using Duplicati.Library.Common.IO;
using Duplicati.Library.Interface;
namespace Duplicati.Proprietary.Office365.SourceItems;
internal class UserMailboxRulesSourceEntry(SourceProvider provider, GraphUser user, string path)
: MetaEntryBase(Util.AppendDirSeparator(SystemIO.IO_OS.PathCombine(path, "rules")), DateTime.UnixEpoch, null)
{
public override async IAsyncEnumerable<ISourceProviderEntry> Enumerate([EnumeratorCancellation] CancellationToken cancellationToken)
{
await foreach (var rule in provider.UserEmailApi.ListMessageRulesAsync(user.Id, cancellationToken).ConfigureAwait(false))
{
if (cancellationToken.IsCancellationRequested)
yield break;
var ms = new MemoryStream();
System.Text.Json.JsonSerializer.Serialize(ms, rule);
var jsonBytes = ms.ToArray();
yield return new StreamResourceEntryFunction(SystemIO.IO_OS.PathCombine(this.Path, rule.Id + ".json"),
createdUtc: DateTime.UnixEpoch,
lastModificationUtc: DateTime.UnixEpoch,
size: jsonBytes.Length,
streamFactory: (ct) => Task.FromResult<Stream>(new MemoryStream(jsonBytes)),
minorMetadataFactory: (ct) => Task.FromResult(new Dictionary<string, string?>()
{
{ "o365:v", "1" },
{ "o365:Id", rule.Id },
{ "o365:Type", SourceItemType.UserMailboxRule.ToString() },
{ "o365:Name", rule.DisplayName },
}
.Where(kv => !string.IsNullOrEmpty(kv.Value))
.ToDictionary(kv => kv.Key, kv => kv.Value)));
}
}
public override Task<Dictionary<string, string?>> GetMinorMetadata(CancellationToken cancellationToken)
=> Task.FromResult(new Dictionary<string, string?>
{
{ "o365:v", "1" },
{ "o365:Type", "UserMailboxRules" },
{ "o365:Name", "rules" }
});
}