Bumping some nugets. More on the imap synchronizers.

This commit is contained in:
Burak Kaan Köse
2025-01-28 22:56:19 +01:00
parent b7b51ac4e6
commit b73eb3efcb
25 changed files with 300 additions and 179 deletions

View File

@@ -6,14 +6,10 @@ using System.Threading.Tasks;
using MailKit;
using MailKit.Net.Imap;
using MailKit.Search;
using MoreLinq;
using Serilog;
using Wino.Core.Domain.Entities.Mail;
using Wino.Core.Domain.Exceptions;
using Wino.Core.Domain.Interfaces;
using Wino.Core.Domain.Models.MailItem;
using Wino.Core.Integration;
using Wino.Services.Extensions;
using IMailService = Wino.Core.Domain.Interfaces.IMailService;
namespace Wino.Core.Synchronizers.ImapSync
@@ -41,6 +37,7 @@ namespace Wino.Core.Synchronizers.ImapSync
IMailFolder remoteFolder = null;
var downloadedMessageIds = new List<string>();
try
{
remoteFolder = await winoClient.GetFolderAsync(folder.RemoteFolderId, cancellationToken).ConfigureAwait(false);
@@ -57,92 +54,10 @@ namespace Wino.Core.Synchronizers.ImapSync
// the MODSEQ value for deleted messages.
if (remoteHighestModSeq > localHighestModSeq)
{
// Search for emails with a MODSEQ greater than the last known value.
// Use SORT extension if server supports.
IList<UniqueId> changedUids = null;
if (winoClient.Capabilities.HasFlag(ImapCapabilities.Sort))
{
changedUids = await remoteFolder.SortAsync(SearchQuery.ChangedSince(localHighestModSeq), [OrderBy.ReverseDate], cancellationToken).ConfigureAwait(false);
}
else
{
changedUids = await remoteFolder.SearchAsync(SearchQuery.ChangedSince(localHighestModSeq), cancellationToken).ConfigureAwait(false);
}
// For initial synchronizations, take the first allowed number of items.
// For consequtive synchronizations, take all the items. We don't want to miss any changes.
if (isInitialSynchronization)
changedUids = changedUids.Take((int)synchronizer.InitialMessageDownloadCountPerFolder).ToList();
var changedUids = await GetChangedUidsAsync(client, folder, remoteFolder, synchronizer, cancellationToken).ConfigureAwait(false);
// Get locally exists mails for the returned UIDs.
var existingMails = await MailService.GetExistingMailsAsync(folder.Id, changedUids).ConfigureAwait(false);
var existingMailUids = existingMails.Select(m => MailkitClientExtensions.ResolveUidStruct(m.Id)).ToArray();
// These are the non-existing mails. They will be downloaded + processed.
var newMessageIds = changedUids.Except(existingMailUids).ToList();
// Fetch minimum data for the existing mails in one query.
var existingFlagData = await remoteFolder.FetchAsync(existingMailUids, MessageSummaryItems.Flags | MessageSummaryItems.UniqueId).ConfigureAwait(false);
foreach (var update in existingFlagData)
{
if (update.UniqueId == null)
{
Log.Warning($"Couldn't fetch UniqueId for the mail. FetchAsync failed.");
continue;
}
if (update.Flags == null)
{
Log.Warning($"Couldn't fetch flags for the mail with UID {update.UniqueId.Id}. FetchAsync failed.");
continue;
}
var existingMail = existingMails.FirstOrDefault(m => MailkitClientExtensions.ResolveUidStruct(m.Id).Id == update.UniqueId.Id);
if (existingMail == null)
{
Log.Warning($"Couldn't find the mail with UID {update.UniqueId.Id} in the local database. Flag update is ignored.");
continue;
}
await HandleMessageFlagsChangeAsync(existingMail, update.Flags.Value).ConfigureAwait(false);
}
// Fetch the new mails in batch.
var batchedMessageIds = newMessageIds.Batch(50);
foreach (var group in batchedMessageIds)
{
var summaries = await remoteFolder.FetchAsync(group, MailSynchronizationFlags, cancellationToken).ConfigureAwait(false);
foreach (var summary in summaries)
{
var mimeMessage = await remoteFolder.GetMessageAsync(summary.UniqueId, cancellationToken).ConfigureAwait(false);
var creationPackage = new ImapMessageCreationPackage(summary, mimeMessage);
var mailPackages = await synchronizer.CreateNewMailPackagesAsync(creationPackage, folder, cancellationToken).ConfigureAwait(false);
if (mailPackages != null)
{
foreach (var package in mailPackages)
{
// Local draft is mapped. We don't need to create a new mail copy.
if (package == null) continue;
bool isCreatedNew = await MailService.CreateMailAsync(folder.MailAccountId, package).ConfigureAwait(false);
// This is upsert. We are not interested in updated mails.
if (isCreatedNew) downloadedMessageIds.Add(package.Copy.Id);
}
}
}
}
downloadedMessageIds = await HandleChangedUIdsAsync(folder, synchronizer, remoteFolder, changedUids, cancellationToken).ConfigureAwait(false);
folder.HighestModeSeq = (long)remoteHighestModSeq;
@@ -177,5 +92,41 @@ namespace Wino.Core.Synchronizers.ImapSync
}
}
}
internal override async Task<IList<UniqueId>> GetChangedUidsAsync(IImapClient winoClient, MailItemFolder localFolder, IMailFolder remoteFolder, IImapSynchronizer synchronizer, CancellationToken cancellationToken = default)
{
var localHighestModSeq = (ulong)localFolder.HighestModeSeq;
var remoteHighestModSeq = remoteFolder.HighestModSeq;
// Search for emails with a MODSEQ greater than the last known value.
// Use SORT extension if server supports.
IList<UniqueId> changedUids = null;
// TODO: Temporarily disabled.
//if (winoClient.Capabilities.HasFlag(ImapCapabilities.Sort))
//{
// changedUids = await remoteFolder.SortAsync(SearchQuery.ChangedSince(localHighestModSeq), [OrderBy.ReverseDate], cancellationToken).ConfigureAwait(false);
//}
//else
//{
// changedUids = await remoteFolder.SearchAsync(SearchQuery.ChangedSince(localHighestModSeq), cancellationToken).ConfigureAwait(false);
//}
changedUids = await remoteFolder.SearchAsync(SearchQuery.ChangedSince(localHighestModSeq), cancellationToken).ConfigureAwait(false);
// For initial synchronizations, take the first allowed number of items.
// For consequtive synchronizations, take all the items. We don't want to miss any changes.
// Smaller uid means newer message. For initial sync, we need start taking items from the top.
bool isInitialSynchronization = localHighestModSeq == 0;
if (isInitialSynchronization)
{
changedUids = changedUids.OrderByDescending(a => a.Id).Take((int)synchronizer.InitialMessageDownloadCountPerFolder).ToList();
}
return changedUids;
}
}
}