IMAP Improvements (#558)

* Fixing an issue where scrollviewer overrides a part of template in mail list. Adjusted zoomed out header grid's corner radius. * IDLE implementation, imap synchronization strategies basics and condstore synchronization. * Adding iCloud and Yahoo as special IMAP handling scenario. * iCloud special imap handling. * Support for killing synchronizers. * Update privacy policy url. * Batching condstore downloads into 50, using SORT extension for searches if supported. * Bumping some nugets. More on the imap synchronizers. * Delegating idle synchronizations to server to post-sync operations. * Update mailkit to resolve qresync bug with iCloud. * Fixing remote highest mode seq checks for qresync and condstore synchronizers. * Yahoo custom settings. * Bump google sdk package. * Fixing the build issue.... * NRE on canceled token accounts during setup. * Server crash handlers. * Remove ARM32. Upgrade server to .NET 9. * Fix icons for yahoo and apple. * Fixed an issue where disabled folders causing an exception on forced sync. * Remove smtp encoding constraint. * Remove commented code. * Fixing merge conflict * Addressing double registrations for mailkit remote folder events in synchronizers. * Making sure idle canceled result is not reported. * Fixing custom imap server dialog opening. * Fixing the issue with account creation making the previously selected account as selected as well. * Fixing app close behavior and logging app close.
2025-02-15 12:53:32 +01:00
parent 30f1257983
commit ee9e41c5a7
108 changed files with 2092 additions and 1166 deletions
--- a/Wino.Core/Synchronizers/ImapSync/UidBasedSynchronizer.cs
+++ b/Wino.Core/Synchronizers/ImapSync/UidBasedSynchronizer.cs
@@ -0,0 +1,81 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using MailKit;
+using MailKit.Net.Imap;
+using MailKit.Search;
+using Wino.Core.Domain.Entities.Mail;
+using Wino.Core.Domain.Interfaces;
+using Wino.Core.Integration;
+
+namespace Wino.Core.Synchronizers.ImapSync
+{
+    /// <summary>
+    /// Uid based IMAP Synchronization strategy.
+    /// </summary>
+    internal class UidBasedSynchronizer : ImapSynchronizationStrategyBase
+    {
+        public UidBasedSynchronizer(IFolderService folderService, Domain.Interfaces.IMailService mailService) : base(folderService, mailService)
+        {
+        }
+
+        public override async Task<List<string>> HandleSynchronizationAsync(IImapClient client, MailItemFolder folder, IImapSynchronizer synchronizer, CancellationToken cancellationToken = default)
+        {
+            if (client is not WinoImapClient winoClient)
+                throw new ArgumentException("Client must be of type WinoImapClient.", nameof(client));
+
+            Folder = folder;
+
+            var downloadedMessageIds = new List<string>();
+            IMailFolder remoteFolder = null;
+
+            try
+            {
+                remoteFolder = await winoClient.GetFolderAsync(folder.RemoteFolderId, cancellationToken).ConfigureAwait(false);
+
+                await remoteFolder.OpenAsync(FolderAccess.ReadOnly, cancellationToken).ConfigureAwait(false);
+
+                // Fetch UIDs from the remote folder
+                var remoteUids = await remoteFolder.SearchAsync(SearchQuery.All, cancellationToken).ConfigureAwait(false);
+
+                remoteUids = remoteUids.OrderByDescending(a => a.Id).Take((int)synchronizer.InitialMessageDownloadCountPerFolder).ToList();
+
+                await HandleChangedUIdsAsync(synchronizer, remoteFolder, remoteUids, cancellationToken).ConfigureAwait(false);
+                await ManageUUIdBasedDeletedMessagesAsync(folder, remoteFolder, cancellationToken).ConfigureAwait(false);
+            }
+            catch (FolderNotFoundException)
+            {
+                await FolderService.DeleteFolderAsync(folder.MailAccountId, folder.RemoteFolderId).ConfigureAwait(false);
+
+                return default;
+            }
+            catch (Exception)
+            {
+
+                throw;
+            }
+            finally
+            {
+                if (!cancellationToken.IsCancellationRequested)
+                {
+                    if (remoteFolder != null)
+                    {
+                        if (remoteFolder.IsOpen)
+                        {
+                            await remoteFolder.CloseAsync(cancellationToken: cancellationToken).ConfigureAwait(false);
+                        }
+                    }
+                }
+            }
+
+            return downloadedMessageIds;
+        }
+
+        internal override Task<IList<UniqueId>> GetChangedUidsAsync(IImapClient client, IMailFolder remoteFolder, IImapSynchronizer synchronizer, CancellationToken cancellationToken = default)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}