Online Search (#576)

* Very basic online search for gmail.

* Server side of handling offline search and listing part in listing page.

* Default search mode implementation and search UI improvements.

* Online search for Outlook.

* Very basic online search for gmail.

* Server side of handling offline search and listing part in listing page.

* Default search mode implementation and search UI improvements.

* Online search for Outlook.

* Online search for imap without downloading the messages yet. TODO

* Completing imap search.

Wino.Core.Domain/Interfaces/IImapSynchronizerStrategy.cs

@@ -1,6 +1,7 @@
 using System.Collections.Generic;
 using System.Threading;
 using System.Threading.Tasks;
+using MailKit;
 using MailKit.Net.Imap;
 using Wino.Core.Domain.Entities.Mail;
 
@@ -17,5 +18,15 @@ public interface IImapSynchronizerStrategy
     /// <param name="cancellationToken">Cancellation token.</param>
     /// <returns>List of new downloaded message ids that don't exist locally.</returns>
     Task<List<string>> HandleSynchronizationAsync(IImapClient client, MailItemFolder folder, IImapSynchronizer synchronizer, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// Downloads given set of messages from the folder.
+    /// Folder is expected to be opened and synchronizer is connected.
+    /// </summary>
+    /// <param name="synchronizer">Synchronizer that performs the action.</param>
+    /// <param name="folder">Remote folder to download messages from.</param>
+    /// <param name="uniqueIdSet">Set of message uniqueids.</param>
+    /// <param name="cancellationToken">Cancellation token.</param>
+    Task DownloadMessagesAsync(IImapSynchronizer synchronizer, IMailFolder folder, UniqueIdSet uniqueIdSet, CancellationToken cancellationToken = default);
 }
 

Wino.Core.Domain/Interfaces/IMailService.cs

@@ -13,6 +13,14 @@ public interface IMailService
 {
     Task<MailCopy> GetSingleMailItemAsync(string mailCopyId, string remoteFolderId);
     Task<MailCopy> GetSingleMailItemAsync(Guid uniqueMailId);
+
+    /// <summary>
+    /// Returns the single mail item with the given mail copy id.
+    /// Caution: This method is not safe. Use other overrides.
+    /// </summary>
+    /// <param name="mailCopyId"></param>
+    /// <returns></returns>
+    Task<MailCopy> GetSingleMailItemAsync(string mailCopyId);
     Task<List<IMailItem>> FetchMailsAsync(MailListInitializationOptions options, CancellationToken cancellationToken = default);
 
     /// <summary>
@@ -117,4 +125,14 @@ public interface IMailService
     /// <param name="uniqueIds"></param>
     /// <returns></returns>
     Task<List<MailCopy>> GetExistingMailsAsync(Guid folderId, IEnumerable<UniqueId> uniqueIds);
+
+    /// <summary>
+    /// Creates a new mail from a package without doing any existence check.
+    /// Use it with caution.
+    /// </summary>
+    /// <param name="account">Account that mail belongs to.</param>
+    /// <param name="mailItemFolder">Assigned folder.</param>
+    /// <param name="package">Mail creation package.</param>
+    /// <returns></returns>
+    Task CreateMailRawAsync(MailAccount account, MailItemFolder mailItemFolder, NewMailItemPackage package);
 }

Wino.Core.Domain/Interfaces/IPreferencesService.cs

@@ -39,6 +39,17 @@ public interface IPreferencesService
     /// </summary>
     bool Prefer24HourTimeFormat { get; set; }
 
+    /// <summary>
+    /// Diagnostic ID for the application.
+    /// Changes per-install.
+    /// </summary>
+    string DiagnosticId { get; set; }
+
+    /// <summary>
+    /// Setting: Defines the user's preference of default search mode in mail list.
+    /// Local search will still offer online search at the end of local search results.
+    /// </summary>
+    SearchMode DefaultSearchMode { get; set; }
     #endregion
 
     #region Mail
@@ -187,7 +198,7 @@ public interface IPreferencesService
     DayOfWeek WorkingDayStart { get; set; }
     DayOfWeek WorkingDayEnd { get; set; }
     double HourHeight { get; set; }
-    string DiagnosticId { get; set; }
+
 
     CalendarSettings GetCurrentCalendarSettings();
 

Wino.Core.Domain/Interfaces/IWinoSynchronizerBase.cs

@@ -1,6 +1,9 @@
-using System.Threading;
+using System.Collections.Generic;
+using System.Threading;
 using System.Threading.Tasks;
 using MailKit;
+using Wino.Core.Domain.Entities.Mail;
+using Wino.Core.Domain.Models.Folders;
 using Wino.Core.Domain.Models.MailItem;
 using Wino.Core.Domain.Models.Synchronization;
 
@@ -35,4 +38,13 @@ public interface IWinoSynchronizerBase : IBaseSynchronizer
     /// 3. Dispose all resources.
     /// </summary>
     Task KillSynchronizerAsync();
+
+    /// <summary>
+    /// Perform online search on the server.
+    /// </summary>
+    /// <param name="queryText">Search query.</param>
+    /// <param name="folders">Folders to include in search. All folders if null.</param>
+    /// <param name="cancellationToken">Cancellation token.</param>
+    /// <returns>Search results after downloading missing mail copies from server.</returns>
+    Task<List<MailCopy>> OnlineSearchAsync(string queryText, List<IMailItemFolder> folders, CancellationToken cancellationToken = default);
 }