Cleaning up the solution. Separating Shared.WinRT, Services and Synchronization. Removing synchronization from app. Reducing bundle size by 45mb.

Wino.Core.Domain/Constants.cs

@@ -1,4 +1,6 @@
-namespace Wino.Core.Domain
+using Wino.Domain.Enums;
+
+namespace Wino.Domain
 {
     public static class Constants
     {
@@ -8,8 +10,35 @@
         public const string WinoLocalDraftHeader = "X-Wino-Draft-Id";
         public const string LocalDraftStartPrefix = "localDraft_";
 
+        // Toast Notification Keys
         public const string ToastMailItemIdKey = nameof(ToastMailItemIdKey);
         public const string ToastMailItemRemoteFolderIdKey = nameof(ToastMailItemRemoteFolderIdKey);
         public const string ToastActionKey = nameof(ToastActionKey);
+
+        // App Configuration
+        public const AppLanguage DefaultAppLanguage = AppLanguage.English;
+        public const string SharedFolderName = "WinoShared";
+        public static char MailCopyUidSeparator = '_';
+
+        // GMail Category Labels
+        public const string FORUMS_LABEL_ID = "FORUMS";
+        public const string UPDATES_LABEL_ID = "UPDATES";
+        public const string PROMOTIONS_LABEL_ID = "PROMOTIONS";
+        public const string SOCIAL_LABEL_ID = "SOCIAL";
+        public const string PERSONAL_LABEL_ID = "PERSONAL";
+
+        public static string[] SubCategoryFolderLabelIds =
+        [
+            FORUMS_LABEL_ID,
+            UPDATES_LABEL_ID,
+            PROMOTIONS_LABEL_ID,
+            SOCIAL_LABEL_ID,
+            PERSONAL_LABEL_ID
+        ];
+
+        // File Names
+
+        public const string ProtocolLogFileName = "ImapProtocolLog.log";
+        public const string WinoLogFileName = "WinoDiagnostics.log";
     }
 }

Wino.Core.Domain/Entities/AccountSignature.cs

@@ -1,7 +1,7 @@
 using System;
 using SQLite;
 
-namespace Wino.Core.Domain.Entities
+namespace Wino.Domain.Entities
 {
     public class AccountSignature
     {

Wino.Core.Domain/Entities/AddressInformation.cs

@@ -2,7 +2,7 @@
 using System;
 using System.Collections.Generic;
 
-namespace Wino.Core.Domain.Entities
+namespace Wino.Domain.Entities
 {
     /// <summary>
     /// Back storage for simple name-address book.

Wino.Core.Domain/Entities/CustomServerInformation.cs

@@ -1,8 +1,8 @@
 using System;
 using SQLite;
-using Wino.Core.Domain.Enums;
+using Wino.Domain.Enums;
 
-namespace Wino.Core.Domain.Entities
+namespace Wino.Domain.Entities
 {
     public class CustomServerInformation
     {

Wino.Core.Domain/Entities/MailAccount.cs

@@ -1,8 +1,8 @@
 using System;
 using SQLite;
-using Wino.Core.Domain.Enums;
+using Wino.Domain.Enums;
 
-namespace Wino.Core.Domain.Entities
+namespace Wino.Domain.Entities
 {
     public class MailAccount
     {

Wino.Core.Domain/Entities/MailAccountPreferences.cs

@@ -1,7 +1,7 @@
 using System;
 using SQLite;
 
-namespace Wino.Core.Domain.Entities
+namespace Wino.Domain.Entities
 {
     public class MailAccountPreferences
     {

Wino.Core.Domain/Entities/MailCopy.cs

@@ -1,10 +1,10 @@
 using System;
 using System.Collections.Generic;
 using SQLite;
-using Wino.Core.Domain.Enums;
-using Wino.Core.Domain.Models.MailItem;
+using Wino.Domain.Enums;
+using Wino.Domain.Models.MailItem;
 
-namespace Wino.Core.Domain.Entities
+namespace Wino.Domain.Entities
 {
     /// <summary>
     /// Summary of the parsed MIME messages.

Wino.Core.Domain/Entities/MailItemFolder.cs

@@ -2,10 +2,11 @@
 using System.Collections.Generic;
 using System.Diagnostics;
 using SQLite;
-using Wino.Core.Domain.Enums;
-using Wino.Core.Domain.Models.Folders;
+using Wino.Domain;
+using Wino.Domain.Enums;
+using Wino.Domain.Models.Folders;
 
-namespace Wino.Core.Domain.Entities
+namespace Wino.Domain.Entities
 {
     [DebuggerDisplay("{FolderName} - {SpecialFolderType}")]
     public class MailItemFolder : IMailItemFolder

Wino.Core.Domain/Entities/MergedInbox.cs

@@ -1,7 +1,7 @@
 using System;
 using SQLite;
 
-namespace Wino.Core.Domain.Entities
+namespace Wino.Domain.Entities
 {
     public class MergedInbox
     {

Wino.Core.Domain/Entities/SystemFolderConfiguration.cs

@@ -2,7 +2,7 @@
 using System.Collections.Generic;
 using System.Linq;
 
-namespace Wino.Core.Domain.Entities
+namespace Wino.Domain.Entities
 {
     public record SystemFolderConfiguration(MailItemFolder SentFolder,
                                             MailItemFolder DraftFolder,

Wino.Core.Domain/Entities/TokenInformation.cs

@@ -1,8 +1,8 @@
 using System;
 using SQLite;
-using Wino.Core.Domain.Models.Authentication;
+using Wino.Domain.Models.Authentication;
 
-namespace Wino.Core.Domain.Entities
+namespace Wino.Domain.Entities
 {
     public class TokenInformation : TokenInformationBase
     {

Wino.Core.Domain/Enums/AccountAttentionReason.cs

@@ -1,4 +1,4 @@
-namespace Wino.Core.Domain.Enums
+namespace Wino.Domain.Enums
 {
     public enum AccountAttentionReason
     {

Wino.Core.Domain/Enums/AccountCreationDialogState.cs

@@ -1,4 +1,4 @@
-namespace Wino.Core.Domain.Enums
+namespace Wino.Domain.Enums
 {
     public enum AccountCreationDialogState
     {

Wino.Core.Domain/Enums/AccountSynchronizerState.cs

@@ -1,4 +1,4 @@
-namespace Wino.Core.Domain.Enums
+namespace Wino.Domain.Enums
 {
     /// <summary>
     /// Indicates the state of synchronizer.

Wino.Core.Domain/Enums/AppLanguage.cs

@@ -1,4 +1,4 @@
-namespace Wino.Core.Domain.Enums
+namespace Wino.Domain.Enums
 {
     public enum AppLanguage
     {

Wino.Core.Domain/Enums/AppThemeType.cs

@@ -1,4 +1,4 @@
-namespace Wino.Core.Domain.Enums
+namespace Wino.Domain.Enums
 {
     public enum AppThemeType
     {

Wino.Core.Domain/Enums/ApplicationElementTheme.cs

@@ -1,4 +1,4 @@
-namespace Wino.Core.Domain.Enums
+namespace Wino.Domain.Enums
 {
     public enum ApplicationElementTheme
     {

Wino.Core.Domain/Enums/BackgroundSynchronizationReason.cs

@@ -1,4 +1,4 @@
-namespace Wino.Core.Domain.Enums
+namespace Wino.Domain.Enums
 {
     public enum BackgroundSynchronizationReason
     {

Wino.Core.Domain/Enums/ChangeRequestType.cs

@@ -1,4 +1,4 @@
-namespace Wino.Core.Domain.Enums
+namespace Wino.Domain.Enums
 {
     public enum ChangeRequestType
     {

Wino.Core.Domain/Enums/CustomIncomingServerType.cs

@@ -1,4 +1,4 @@
-namespace Wino.Core.Domain.Enums
+namespace Wino.Domain.Enums
 {
     public enum CustomIncomingServerType
     {

Wino.Core.Domain/Enums/DraftCreationReason.cs

@@ -1,4 +1,4 @@
-namespace Wino.Core.Domain.Enums
+namespace Wino.Domain.Enums
 {
     public enum DraftCreationReason
     {

Wino.Core.Domain/Enums/EditorToolbarSectionType.cs

@@ -1,4 +1,4 @@
-namespace Wino.Core.Domain.Enums
+namespace Wino.Domain.Enums
 {
     public enum EditorToolbarSectionType
     {

Wino.Core.Domain/Enums/FilterOptionType.cs

@@ -1,4 +1,4 @@
-namespace Wino.Core.Domain.Enums
+namespace Wino.Domain.Enums
 {
     public enum FilterOptionType
     {

Wino.Core.Domain/Enums/FolderOperation.cs

@@ -1,4 +1,4 @@
-namespace Wino.Core.Domain.Enums
+namespace Wino.Domain.Enums
 {
     /// <summary>
     /// Defines all possible folder operations that can be done.

Wino.Core.Domain/Enums/ImapAuthenticationMethod.cs

@@ -1,4 +1,4 @@
-namespace Wino.Core.Domain.Enums
+namespace Wino.Domain.Enums
 {
     public enum ImapAuthenticationMethod
     {

Wino.Core.Domain/Enums/ImapConnectionSecurity.cs

@@ -1,4 +1,4 @@
-namespace Wino.Core.Domain.Enums
+namespace Wino.Domain.Enums
 {
     public enum ImapConnectionSecurity
     {

Wino.Core.Domain/Enums/InfoBarAnimationType.cs

@@ -1,4 +1,4 @@
-namespace Wino.Core.Domain.Enums
+namespace Wino.Domain.Enums
 {
     public enum InfoBarAnimationType
     {

Wino.Core.Domain/Enums/InfoBarMessageType.cs

@@ -1,4 +1,4 @@
-namespace Wino.Core.Domain.Enums
+namespace Wino.Domain.Enums
 {
     public enum InfoBarMessageType
     {

Wino.Core.Domain/Enums/MailAttachmentType.cs

@@ -1,4 +1,4 @@
-namespace Wino.Core.Domain.Enums
+namespace Wino.Domain.Enums
 {
     public enum MailAttachmentType
     {

Wino.Core.Domain/Enums/MailImportance.cs

@@ -1,4 +1,4 @@
-namespace Wino.Core.Domain.Enums
+namespace Wino.Domain.Enums
 {
     public enum MailImportance
     {

Wino.Core.Domain/Enums/MailListDisplayMode.cs

@@ -1,4 +1,4 @@
-namespace Wino.Core.Domain.Enums
+namespace Wino.Domain.Enums
 {
     public enum MailListDisplayMode
     {

Wino.Core.Domain/Enums/MailMarkAsOption.cs

@@ -1,4 +1,4 @@
-namespace Wino.Core.Domain.Enums
+namespace Wino.Domain.Enums
 {
     public enum MailMarkAsOption
     {

Wino.Core.Domain/Enums/MailOperation.cs

@@ -1,4 +1,4 @@
-namespace Wino.Core.Domain.Enums
+namespace Wino.Domain.Enums
 {
     // Synchronizer requests.
     public enum MailSynchronizerOperation

Wino.Core.Domain/Enums/MailProviderType.cs

@@ -1,4 +1,4 @@
-namespace Wino.Core.Domain.Enums
+namespace Wino.Domain.Enums
 {
     public enum MailProviderType
     {

Wino.Core.Domain/Enums/MenuPaneMode.cs

@@ -1,4 +1,4 @@
-namespace Wino.Core.Domain.Enums
+namespace Wino.Domain.Enums
 {
     public enum MenuPaneMode
     {

Wino.Core.Domain/Enums/NavigationReferenceFrame.cs

@@ -1,4 +1,4 @@
-namespace Wino.Core.Domain.Enums
+namespace Wino.Domain.Enums
 {
     public enum NavigationReferenceFrame
     {

Wino.Core.Domain/Enums/PickFolderReason.cs

@@ -1,4 +1,4 @@
-namespace Wino.Core.Domain.Enums
+namespace Wino.Domain.Enums
 {
     /// <summary>
     /// Defines the potential reasons for picking folder in the folder picking dialog.

Wino.Core.Domain/Enums/ReaderFont.cs

@@ -1,4 +1,4 @@
-namespace Wino.Core.Domain.Enums
+namespace Wino.Domain.Enums
 {
     public enum ReaderFont
     {

Wino.Core.Domain/Enums/SortingOptionType.cs

@@ -1,4 +1,4 @@
-namespace Wino.Core.Domain.Enums
+namespace Wino.Domain.Enums
 {
     public enum SortingOptionType
     {

Wino.Core.Domain/Enums/SpecialFolderType.cs

@@ -1,4 +1,4 @@
-namespace Wino.Core.Domain.Enums
+namespace Wino.Domain.Enums
 {
     public enum SpecialFolderType
     {

Wino.Core.Domain/Enums/StorePurchaseResult.cs

@@ -1,4 +1,4 @@
-namespace Wino.Core.Domain.Enums
+namespace Wino.Domain.Enums
 {
     // From the SDK.
     public enum StorePurchaseResult

Wino.Core.Domain/Enums/SynchronizationCompletedState.cs

@@ -1,4 +1,4 @@
-namespace Wino.Core.Domain.Enums
+namespace Wino.Domain.Enums
 {
     public enum SynchronizationCompletedState
     {

Wino.Core.Domain/Enums/SynchronizationType.cs

@@ -1,4 +1,4 @@
-namespace Wino.Core.Domain.Enums
+namespace Wino.Domain.Enums
 {
     public enum SynchronizationType
     {

Wino.Core.Domain/Enums/WinoPage.cs

@@ -1,4 +1,4 @@
-namespace Wino.Core.Domain.Enums
+namespace Wino.Domain.Enums
 {
     /// <summary>
     /// All registered views.

Wino.Core.Domain/Enums/WinoServerConnectionStatus.cs

@@ -1,4 +1,4 @@
-namespace Wino.Core.Domain.Enums
+namespace Wino.Domain.Enums
 {
     public enum WinoServerConnectionStatus
     {

Wino.Core.Domain/Exceptions/AccountSetupCanceledException.cs

@@ -1,6 +1,6 @@
-namespace Wino.Core.Domain.Exceptions
+namespace Wino.Domain.Exceptions
 {
-    public class AccountSetupCanceledException : System.Exception
+    public class AccountSetupCanceledException : Exception
     {
 
     }

Wino.Core.Domain/Exceptions/AuthenticationAttentionException.cs

@@ -1,7 +1,7 @@
 using System;
-using Wino.Core.Domain.Entities;
+using Wino.Domain.Entities;
 
-namespace Wino.Core.Domain.Exceptions
+namespace Wino.Domain.Exceptions
 {
     /// <summary>
     /// Thrown when IAuthenticator requires user interaction to fix authentication issues.

Wino.Core.Domain/Exceptions/AuthenticationException.cs

@@ -1,6 +1,6 @@
 using System;
 
-namespace Wino.Core.Domain.Exceptions
+namespace Wino.Domain.Exceptions
 {
     /// <summary>
     /// All exceptions related to authentication.

Wino.Core.Domain/Exceptions/BackgroundTaskExecutionRequestDeniedException.cs

@@ -1,6 +1,6 @@
 using System;
 
-namespace Wino.Core.Domain.Exceptions
+namespace Wino.Domain.Exceptions
 {
     /// <summary>
     /// An exception thrown when the background task execution policies are denied for some reason.

Wino.Core.Domain/Exceptions/BackgroundTaskRegistrationFailedException.cs

@@ -1,6 +1,6 @@
 using System;
 
-namespace Wino.Core.Domain.Exceptions
+namespace Wino.Domain.Exceptions
 {
     /// <summary>
     /// An exception thrown when the background task registration is failed.

Wino.Core.Domain/Exceptions/ComposerMimeNotFoundException.cs

@@ -1,6 +1,6 @@
 using System;
 
-namespace Wino.Core.Domain.Exceptions
+namespace Wino.Domain.Exceptions
 {
     /// <summary>
     /// Thrown when composer cant find the mime to load.

Wino.Core.Domain/Exceptions/CustomThemeCreationFailedException.cs

@@ -1,6 +1,6 @@
 using System;
 
-namespace Wino.Core.Domain.Exceptions
+namespace Wino.Domain.Exceptions
 {
     public class CustomThemeCreationFailedException : Exception
     {

Wino.Core.Domain/Exceptions/GoogleAuthenticationException.cs

@@ -1,6 +1,6 @@
-namespace Wino.Core.Domain.Exceptions
+namespace Wino.Domain.Exceptions
 {
-    public class GoogleAuthenticationException : System.Exception
+    public class GoogleAuthenticationException : Exception
     {
         public GoogleAuthenticationException(string message) : base(message) { }
     }

Wino.Core.Domain/Exceptions/ImapClientPoolException.cs

@@ -1,6 +1,4 @@
-using System;
-
-namespace Wino.Core.Domain.Exceptions
+namespace Wino.Domain.Exceptions
 {
     public class ImapClientPoolException : Exception
     {

Wino.Core.Domain/Exceptions/ImapConnectionFailedPackage.cs

@@ -1,7 +1,7 @@
 using System;
-using Wino.Core.Domain.Models.AutoDiscovery;
+using Wino.Domain.Models.AutoDiscovery;
 
-namespace Wino.Core.Domain.Exceptions
+namespace Wino.Domain.Exceptions
 {
     public class ImapConnectionFailedPackage
     {

Wino.Core.Domain/Exceptions/InvalidMoveTargetException.cs

@@ -1,6 +1,6 @@
 using System;
 
-namespace Wino.Core.Domain.Exceptions
+namespace Wino.Domain.Exceptions
 {
     public class InvalidMoveTargetException : Exception { }
 }

Wino.Core.Domain/Exceptions/SynchronizerEntityNotFoundException.cs

@@ -1,6 +1,6 @@
 using System;
 
-namespace Wino.Core.Domain.Exceptions
+namespace Wino.Domain.Exceptions
 {
     public class SynchronizerEntityNotFoundException : Exception
     {

Wino.Core.Domain/Exceptions/SynchronizerException.cs

@@ -1,6 +1,6 @@
 using System;
 
-namespace Wino.Core.Domain.Exceptions
+namespace Wino.Domain.Exceptions
 {
     public class SynchronizerException : Exception
     {

Wino.Core.Domain/Exceptions/SystemFolderConfigurationMissingException.cs

@@ -1,7 +1,7 @@
-namespace Wino.Core.Domain.Exceptions
+namespace Wino.Domain.Exceptions
 {
     /// <summary>
     /// When IMAP account's system folder configuration setup is not done yet.
     /// </summary>
-    public class SystemFolderConfigurationMissingException : System.Exception { }
+    public class SystemFolderConfigurationMissingException : Exception { }
 }

Wino.Core.Domain/Exceptions/UnavailableSpecialFolderException.cs

@@ -1,7 +1,7 @@
 using System;
-using Wino.Core.Domain.Enums;
+using Wino.Domain.Enums;
 
-namespace Wino.Core.Domain.Exceptions
+namespace Wino.Domain.Exceptions
 {
     /// <summary>
     /// Emitted when special folder is needed for an operation but it couldn't be found.

Wino.Core.Domain/Extensions/LongExtensions.cs

@@ -1,8 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Text;
-
-namespace Wino.Core.Extensions
+namespace Wino.Domain.Extensions
 {
     public static class LongExtensions
     {
@@ -11,34 +7,34 @@ namespace Wino.Core.Extensions
         public static string GetBytesReadable(this long i)
         {
             // Get absolute value
-            long absolute_i = (i < 0 ? -i : i);
+            long absolute_i = i < 0 ? -i : i;
             // Determine the suffix and readable value
             string suffix;
             double readable;
             if (absolute_i >= 0x1000000000000000) // Exabyte
             {
                 suffix = "EB";
-                readable = (i >> 50);
+                readable = i >> 50;
             }
             else if (absolute_i >= 0x4000000000000) // Petabyte
             {
                 suffix = "PB";
-                readable = (i >> 40);
+                readable = i >> 40;
             }
             else if (absolute_i >= 0x10000000000) // Terabyte
             {
                 suffix = "TB";
-                readable = (i >> 30);
+                readable = i >> 30;
             }
             else if (absolute_i >= 0x40000000) // Gigabyte
             {
                 suffix = "GB";
-                readable = (i >> 20);
+                readable = i >> 20;
             }
             else if (absolute_i >= 0x100000) // Megabyte
             {
                 suffix = "MB";
-                readable = (i >> 10);
+                readable = i >> 10;
             }
             else if (absolute_i >= 0x400) // Kilobyte
             {
@@ -50,7 +46,7 @@ namespace Wino.Core.Extensions
                 return i.ToString("0 B"); // Byte
             }
             // Divide by 1024 to get fractional value
-            readable = (readable / 1024);
+            readable = readable / 1024;
             // Return formatted number with suffix
             return readable.ToString("0.# ") + suffix;
         }

Wino.Core.Domain/Extensions/MailkitClientExtensions.cs

@@ -0,0 +1,14 @@
+namespace Wino.Domain.Extensions
+{
+    public static class MailkitClientExtensions
+    {
+        public static uint ResolveUid(string mailCopyId)
+        {
+            var splitted = mailCopyId.Split(Constants.MailCopyUidSeparator);
+
+            if (splitted.Length > 1 && uint.TryParse(splitted[1], out uint parsedUint)) return parsedUint;
+
+            throw new ArgumentOutOfRangeException(nameof(mailCopyId), mailCopyId, "Invalid mailCopyId format.");
+        }
+    }
+}

Wino.Core.Domain/Extensions/MimeExtensions.cs

@@ -0,0 +1,22 @@
+using MimeKit;
+using Wino.Domain;
+using Wino.Domain.Entities;
+
+namespace Wino.Domain.Extensions
+{
+    public static class MimeExtensions
+    {
+
+
+        public static AddressInformation ToAddressInformation(this MailboxAddress address)
+        {
+            if (address == null)
+                return new AddressInformation() { Name = Translator.UnknownSender, Address = Translator.UnknownAddress };
+
+            if (string.IsNullOrEmpty(address.Name))
+                address.Name = address.Address;
+
+            return new AddressInformation() { Name = address.Name, Address = address.Address };
+        }
+    }
+}

Wino.Core.Domain/Interfaces/AfterRequestExecutionSynchronizationInterfaces.cs

@@ -1,7 +1,7 @@
 using System;
 using System.Collections.Generic;
 
-namespace Wino.Core.Domain.Interfaces
+namespace Wino.Domain.Interfaces
 {
     /// <summary>
     /// An interface that should force synchronizer to do synchronization for only given folder ids

Wino.Core.Domain/Interfaces/IAccountCreationDialog.cs

@@ -1,6 +1,6 @@
-using Wino.Core.Domain.Enums;
+using Wino.Domain.Enums;
 
-namespace Wino.Core.Domain.Interfaces
+namespace Wino.Domain.Interfaces
 {
     public interface IAccountCreationDialog
     {

Wino.Core.Domain/Interfaces/IAccountMenuItem.cs

@@ -1,7 +1,7 @@
 using System.Collections.Generic;
-using Wino.Core.Domain.Entities;
+using Wino.Domain.Entities;
 
-namespace Wino.Core.Domain.Interfaces
+namespace Wino.Domain.Interfaces
 {
     public interface IAccountMenuItem : IMenuItem
     {

Wino.Core.Domain/Interfaces/IAccountPickerDialog.cs

@@ -1,4 +1,4 @@
-namespace Wino.Core.Domain.Interfaces
+namespace Wino.Domain.Interfaces
 {
     public interface IAccountPickerDialog
     {

Wino.Core.Domain/Interfaces/IAccountProviderDetailViewModel.cs

@@ -1,6 +1,6 @@
 using System;
 
-namespace Wino.Core.Domain.Interfaces
+namespace Wino.Domain.Interfaces
 {
     public interface IAccountProviderDetailViewModel
     {

Wino.Core.Domain/Interfaces/IAccountProviderDetails.cs

@@ -1,6 +1,6 @@
-using Wino.Core.Domain.Entities;
+using Wino.Domain.Entities;
 
-namespace Wino.Core.Domain.Interfaces
+namespace Wino.Domain.Interfaces
 {
     public interface IAccountProviderDetails
     {

Wino.Core.Domain/Interfaces/IAccountService.cs

@@ -1,9 +1,9 @@
 using System;
 using System.Collections.Generic;
 using System.Threading.Tasks;
-using Wino.Core.Domain.Entities;
+using Wino.Domain.Entities;
 
-namespace Wino.Core.Domain.Interfaces
+namespace Wino.Domain.Interfaces
 {
     public interface IAccountService
     {

Wino.Core.Domain/Interfaces/IApplicationConfiguration.cs

@@ -1,4 +1,4 @@
-namespace Wino.Core.Domain.Interfaces
+namespace Wino.Domain.Interfaces
 {
     /// <summary>
     /// Singleton object that holds the application data folder path and the publisher shared folder path.

Wino.Core.Domain/Interfaces/IApplicationResourceManager.cs

@@ -1,4 +1,4 @@
-namespace Wino.Core.Domain.Interfaces
+namespace Wino.Domain.Interfaces
 {
     public interface IApplicationResourceManager<T>
     {

Wino.Core.Domain/Interfaces/IAuthenticationProvider.cs

@@ -1,6 +1,6 @@
-using Wino.Core.Domain.Enums;
+using Wino.Domain.Enums;
 
-namespace Wino.Core.Domain.Interfaces
+namespace Wino.Domain.Interfaces
 {
     public interface IAuthenticationProvider
     {

Wino.Core.Domain/Interfaces/IAuthenticator.cs

@@ -1,9 +1,9 @@
 using System;
 using System.Threading.Tasks;
-using Wino.Core.Domain.Entities;
-using Wino.Core.Domain.Enums;
+using Wino.Domain.Entities;
+using Wino.Domain.Enums;
 
-namespace Wino.Core.Domain.Interfaces
+namespace Wino.Domain.Interfaces
 {
     public interface IAuthenticator
     {

Wino.Core.Domain/Interfaces/IAutoDiscoveryService.cs

@@ -1,7 +1,7 @@
 using System.Threading.Tasks;
-using Wino.Core.Domain.Models.AutoDiscovery;
+using Wino.Domain.Models.AutoDiscovery;
 
-namespace Wino.Core.Domain.Interfaces
+namespace Wino.Domain.Interfaces
 {
     /// <summary>
     /// Searches for Auto Discovery settings for custom mail accounts.

Wino.Core.Domain/Interfaces/IBaseSynchronizer.cs

@@ -1,12 +1,12 @@
 using System.Threading;
 using System.Threading.Tasks;
 using MailKit;
-using Wino.Core.Domain.Entities;
-using Wino.Core.Domain.Enums;
-using Wino.Core.Domain.Models.MailItem;
-using Wino.Core.Domain.Models.Synchronization;
+using Wino.Domain.Entities;
+using Wino.Domain.Enums;
+using Wino.Domain.Models.MailItem;
+using Wino.Domain.Models.Synchronization;
 
-namespace Wino.Core.Domain.Interfaces
+namespace Wino.Domain.Interfaces
 {
     public interface IBaseSynchronizer
     {

Wino.Core.Domain/Interfaces/IClipboardService.cs

@@ -1,6 +1,6 @@
 using System.Threading.Tasks;
 
-namespace Wino.Core.Domain.Interfaces
+namespace Wino.Domain.Interfaces
 {
     public interface IClipboardService
     {

Wino.Core.Domain/Interfaces/IConfigurationService.cs

@@ -1,4 +1,4 @@
-namespace Wino.Core.Domain.Interfaces
+namespace Wino.Domain.Interfaces
 {
     public interface IConfigurationService
     {

Wino.Core.Domain/Interfaces/IConfirmationDialog.cs

@@ -1,6 +1,6 @@
 using System.Threading.Tasks;
 
-namespace Wino.Core.Domain.Interfaces
+namespace Wino.Domain.Interfaces
 {
     public interface IConfirmationDialog
     {

Wino.Core.Domain/Interfaces/IContactService.cs

@@ -0,0 +1,12 @@
+using MimeKit;
+using Wino.Domain.Entities;
+
+namespace Wino.Domain.Interfaces
+{
+    public interface IContactService
+    {
+        Task<List<AddressInformation>> GetAddressInformationAsync(string queryText);
+        Task<AddressInformation> GetAddressInformationByAddressAsync(string address);
+        Task SaveAddressInformationAsync(MimeMessage message);
+    }
+}

Wino.Core.Domain/Interfaces/IContextMenuItemService.cs

@@ -1,9 +1,9 @@
 using System.Collections.Generic;
-using Wino.Core.Domain.Models.Folders;
-using Wino.Core.Domain.Models.MailItem;
-using Wino.Core.Domain.Models.Menus;
+using Wino.Domain.Models.Folders;
+using Wino.Domain.Models.MailItem;
+using Wino.Domain.Models.Menus;
 
-namespace Wino.Core.Domain.Interfaces
+namespace Wino.Domain.Interfaces
 {
     public interface IContextMenuItemService
     {

Wino.Core.Domain/Interfaces/IContextMenuProvider.cs

@@ -1,9 +1,9 @@
 using System.Collections.Generic;
-using Wino.Core.Domain.Models.Folders;
-using Wino.Core.Domain.Models.MailItem;
-using Wino.Core.Domain.Models.Menus;
+using Wino.Domain.Models.Folders;
+using Wino.Domain.Models.MailItem;
+using Wino.Domain.Models.Menus;
 
-namespace Wino.Core.Domain.Interfaces
+namespace Wino.Domain.Interfaces
 {
     public interface IContextMenuProvider
     {

Wino.Core.Domain/Interfaces/ICustomServerAccountCreationDialog.cs

@@ -1,7 +1,7 @@
 using System.Threading.Tasks;
-using Wino.Core.Domain.Entities;
+using Wino.Domain.Entities;
 
-namespace Wino.Core.Domain.Interfaces
+namespace Wino.Domain.Interfaces
 {
     public interface ICustomServerAccountCreationDialog : IAccountCreationDialog
     {

Wino.Core.Domain/Interfaces/IDatabaseService.cs

@@ -0,0 +1,9 @@
+using SQLite;
+
+namespace Wino.Domain.Interfaces
+{
+    public interface IDatabaseService : IInitializeAsync
+    {
+        SQLiteAsyncConnection Connection { get; }
+    }
+}

Wino.Core.Domain/Interfaces/IDefaultChangeProcessor.cs

@@ -0,0 +1,44 @@
+using MimeKit;
+using Wino.Domain.Entities;
+using Wino.Domain.Models.MailItem;
+using Wino.Domain.Models.Synchronization;
+
+namespace Wino.Domain.Interfaces
+{
+    /// <summary>
+    /// Database change processor that handles common operations for all synchronizers.
+    /// When a synchronizer detects a change, it should call the appropriate method in this class to reflect the change in the database.
+    /// Different synchronizers might need additional implementations.
+    /// <see cref="IGmailChangeProcessor"/>,  <see cref="IOutlookChangeProcessor"/> and  <see cref="IImapChangeProcessor"/>
+    /// None of the synchronizers can directly change anything in the database.
+    /// </summary>
+    public interface IDefaultChangeProcessor
+    {
+        Task<string> UpdateAccountDeltaSynchronizationIdentifierAsync(Guid accountId, string deltaSynchronizationIdentifier);
+        Task CreateAssignmentAsync(Guid accountId, string mailCopyId, string remoteFolderId);
+        Task DeleteAssignmentAsync(Guid accountId, string mailCopyId, string remoteFolderId);
+        Task ChangeMailReadStatusAsync(string mailCopyId, bool isRead);
+        Task ChangeFlagStatusAsync(string mailCopyId, bool isFlagged);
+        Task<bool> CreateMailAsync(Guid AccountId, NewMailItemPackage package);
+        Task DeleteMailAsync(Guid accountId, string mailId);
+        Task<List<MailCopy>> GetDownloadedUnreadMailsAsync(Guid accountId, IEnumerable<string> downloadedMailCopyIds);
+        Task SaveMimeFileAsync(Guid fileId, MimeMessage mimeMessage, Guid accountId);
+        Task DeleteFolderAsync(Guid accountId, string remoteFolderId);
+        Task InsertFolderAsync(MailItemFolder folder);
+        Task UpdateFolderAsync(MailItemFolder folder);
+
+        /// <summary>
+        /// Returns the list of folders that are available for account.
+        /// </summary>
+        /// <param name="accountId">Account id to get folders for.</param>
+        /// <returns>All folders.</returns>
+        Task<List<MailItemFolder>> GetLocalFoldersAsync(Guid accountId);
+
+        Task<List<MailItemFolder>> GetSynchronizationFoldersAsync(SynchronizationOptions options);
+
+        Task<bool> MapLocalDraftAsync(Guid accountId, Guid localDraftCopyUniqueId, string newMailCopyId, string newDraftId, string newThreadId);
+        Task UpdateFolderLastSyncDateAsync(Guid folderId);
+
+        Task<List<MailItemFolder>> GetExistingFoldersAsync(Guid accountId);
+    }
+}

Wino.Core.Domain/Interfaces/IDialogService.cs

@@ -2,12 +2,12 @@
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Threading.Tasks;
-using Wino.Core.Domain.Entities;
-using Wino.Core.Domain.Enums;
-using Wino.Core.Domain.Models.Accounts;
-using Wino.Core.Domain.Models.Folders;
+using Wino.Domain.Entities;
+using Wino.Domain.Enums;
+using Wino.Domain.Models.Accounts;
+using Wino.Domain.Models.Folders;
 
-namespace Wino.Core.Domain.Interfaces
+namespace Wino.Domain.Interfaces
 {
     public interface IDialogService
     {

Wino.Core.Domain/Interfaces/IDispatcher.cs

@@ -1,7 +1,7 @@
 using System;
 using System.Threading.Tasks;
 
-namespace Wino.Core.Domain.Interfaces
+namespace Wino.Domain.Interfaces
 {
     public interface IDispatcher
     {

Wino.Core.Domain/Interfaces/IFileService.cs

@@ -1,7 +1,7 @@
 using System.IO;
 using System.Threading.Tasks;
 
-namespace Wino.Core.Domain.Interfaces
+namespace Wino.Domain.Interfaces
 {
     public interface IFileService
     {

Wino.Core.Domain/Interfaces/IFolderMenuItem.cs

@@ -1,9 +1,9 @@
 using System.Collections.Generic;
-using Wino.Core.Domain.Entities;
-using Wino.Core.Domain.Enums;
-using Wino.Core.Domain.Models.Folders;
+using Wino.Domain.Entities;
+using Wino.Domain.Enums;
+using Wino.Domain.Models.Folders;
 
-namespace Wino.Core.Domain.Interfaces
+namespace Wino.Domain.Interfaces
 {
     public interface IFolderMenuItem : IBaseFolderMenuItem
     {

Wino.Core.Domain/Interfaces/IFolderService.cs

@@ -1,14 +1,11 @@
-using System;
-using System.Collections.Generic;
-using System.Threading.Tasks;
-using Wino.Core.Domain.Entities;
-using Wino.Core.Domain.Enums;
-using Wino.Core.Domain.Models.Accounts;
-using Wino.Core.Domain.Models.Folders;
-using Wino.Core.Domain.Models.MailItem;
-using Wino.Core.Domain.Models.Synchronization;
+using Wino.Domain.Entities;
+using Wino.Domain.Enums;
+using Wino.Domain.Models.Accounts;
+using Wino.Domain.Models.Folders;
+using Wino.Domain.Models.MailItem;
+using Wino.Domain.Models.Synchronization;
 
-namespace Wino.Core.Domain.Interfaces
+namespace Wino.Domain.Interfaces
 {
     public interface IFolderService
     {
@@ -82,7 +79,7 @@ namespace Wino.Core.Domain.Interfaces
         /// Returns the active folder menu items for the given account for UI.
         /// </summary>
         /// <param name="accountMenuItem">Account to get folder menu items for.</param>
-        Task<IEnumerable<IMenuItem>> GetAccountFoldersForDisplayAsync(IAccountMenuItem accountMenuItem);
+        // Task<IEnumerable<IMenuItem>> GetAccountFoldersForDisplayAsync(IAccountMenuItem accountMenuItem);
 
         /// <summary>
         /// Returns a list of unread item counts for the given account ids.
@@ -90,5 +87,13 @@ namespace Wino.Core.Domain.Interfaces
         /// </summary>
         /// <param name="accountIds">Account ids to get unread folder counts for.</param>
         Task<List<UnreadItemCountResult>> GetUnreadItemCountResultsAsync(IEnumerable<Guid> accountIds);
+        Task<List<MailItemFolder>> GetVisibleFoldersAsync(Guid accountId);
+
+        /// <summary>
+        /// Returns the child folders of the given folder.
+        /// </summary>
+        /// <param name="accountId">Account id to get folders for.</param>
+        /// <param name="parentRemoteFolderId">Parent folder id to get children for.</param>
+        Task<List<MailItemFolder>> GetChildFoldersAsync(Guid accountId, string parentRemoteFolderId);
     }
 }

Wino.Core.Domain/Interfaces/IFontService.cs

@@ -1,8 +1,8 @@
 using System.Collections.Generic;
-using Wino.Core.Domain.Enums;
-using Wino.Core.Domain.Models.Reader;
+using Wino.Domain.Enums;
+using Wino.Domain.Models.Reader;
 
-namespace Wino.Core.Domain.Interfaces
+namespace Wino.Domain.Interfaces
 {
     public interface IFontService
     {

Wino.Core.Domain/Interfaces/IGmailAuthenticator.cs

@@ -0,0 +1,4 @@
+namespace Wino.Domain.Interfaces
+{
+    public interface IGmailAuthenticator : IAuthenticator { }
+}

Wino.Core.Domain/Interfaces/IGmailChangeProcessor.cs

@@ -0,0 +1,7 @@
+namespace Wino.Domain.Interfaces
+{
+    public interface IGmailChangeProcessor : IDefaultChangeProcessor
+    {
+        Task MapLocalDraftAsync(string mailCopyId, string newDraftId, string newThreadId);
+    }
+}

Wino.Core.Domain/Interfaces/IHtmlPreviewer.cs

@@ -0,0 +1,11 @@
+namespace Wino.Domain.Interfaces
+{
+    public interface IHtmlPreviewer
+    {
+        /// <summary>
+        /// Returns a preview of the HTML content.
+        /// </summary>
+        /// <param name="htmlContent">HTML content</param>
+        string GetHtmlPreview(string htmlContent);
+    }
+}

Wino.Core.Domain/Interfaces/IImapChangeProcessor.cs

@@ -0,0 +1,11 @@
+namespace Wino.Domain.Interfaces
+{
+    public interface IImapChangeProcessor : IDefaultChangeProcessor
+    {
+        /// <summary>
+        /// Returns all known uids for the given folder.
+        /// </summary>
+        /// <param name="folderId">Folder id to retrieve uIds for.</param>
+        Task<IList<uint>> GetKnownUidsForFolderAsync(Guid folderId);
+    }
+}

Wino.Core.Domain/Interfaces/IImapTestService.cs

@@ -1,7 +1,7 @@
 using System.Threading.Tasks;
-using Wino.Core.Domain.Entities;
+using Wino.Domain.Entities;
 
-namespace Wino.Core.Domain.Interfaces
+namespace Wino.Domain.Interfaces
 {
     public interface IImapTestService
     {

Wino.Core.Domain/Interfaces/IInitializeAsync.cs

@@ -1,6 +1,6 @@
 using System.Threading.Tasks;
 
-namespace Wino.Core.Domain.Interfaces
+namespace Wino.Domain.Interfaces
 {
     /// <summary>
     /// An interface that all startup services must implement.

Wino.Core.Domain/Interfaces/IKeyPressService.cs

@@ -1,4 +1,4 @@
-namespace Wino.Core.Domain.Interfaces
+namespace Wino.Domain.Interfaces
 {
     public interface IKeyPressService
     {

Wino.Core.Domain/Interfaces/ILaunchProtocolService.cs

@@ -1,6 +1,6 @@
 using System.Collections.Specialized;
 
-namespace Wino.Core.Domain.Interfaces
+namespace Wino.Domain.Interfaces
 {
     public interface ILaunchProtocolService
     {

Wino.Core.Domain/Interfaces/ILogInitializer.cs

@@ -1,4 +1,4 @@
-namespace Wino.Core.Domain.Interfaces
+namespace Wino.Domain.Interfaces
 {
     public interface ILogInitializer
     {