Synchronizer error factory implementation (#645)

* Added sync error factories for outlook and gmail.

* Implement ObjectCannotBeDeletedHandler for OutlookSynchronizer.

* Remove debug code.

* Implement del key to delete on mail list.

* Revert debug code.

Wino.Core/Domain/Interfaces/ISynchronizerErrorHandler.cs

@@ -0,0 +1,32 @@
+using System.Threading.Tasks;
+using Wino.Core.Domain.Models.Errors;
+
+namespace Wino.Core.Domain.Interfaces;
+
+/// <summary>
+/// Interface for handling specific synchronizer errors
+/// </summary>
+public interface ISynchronizerErrorHandler
+{
+    /// <summary>
+    /// Determines if this handler can handle the specified error
+    /// </summary>
+    /// <param name="error">The error to check</param>
+    /// <returns>True if this handler can handle the error, false otherwise</returns>
+    bool CanHandle(SynchronizerErrorContext error);
+
+    /// <summary>
+    /// Handles the specified error
+    /// </summary>
+    /// <param name="error">The error to handle</param>
+    /// <returns>A task that completes when the error is handled</returns>
+    Task<bool> HandleAsync(SynchronizerErrorContext error);
+}
+
+public interface ISynchronizerErrorHandlerFactory
+{
+    Task<bool> HandleErrorAsync(SynchronizerErrorContext error);
+}
+
+public interface IOutlookSynchronizerErrorHandlerFactory : ISynchronizerErrorHandlerFactory;
+public interface IGmailSynchronizerErrorHandlerFactory : ISynchronizerErrorHandlerFactory;

Wino.Core/Domain/Models/Errors/SynchronizerErrorContext.cs

@@ -0,0 +1,42 @@
+using System;
+using System.Collections.Generic;
+using Wino.Core.Domain.Entities.Shared;
+using Wino.Core.Domain.Interfaces;
+
+namespace Wino.Core.Domain.Models.Errors;
+
+/// <summary>
+/// Contains context information about a synchronizer error
+/// </summary>
+public class SynchronizerErrorContext
+{
+    /// <summary>
+    /// Account associated with the error
+    /// </summary>
+    public MailAccount Account { get; set; }
+
+    /// <summary>
+    /// Gets or sets the error code
+    /// </summary>
+    public int? ErrorCode { get; set; }
+
+    /// <summary>
+    /// Gets or sets the error message
+    /// </summary>
+    public string ErrorMessage { get; set; }
+
+    /// <summary>
+    /// Gets or sets the request bundle associated with the error
+    /// </summary>
+    public IRequestBundle RequestBundle { get; set; }
+
+    /// <summary>
+    /// Gets or sets additional data associated with the error
+    /// </summary>
+    public Dictionary<string, object> AdditionalData { get; set; } = new Dictionary<string, object>();
+
+    /// <summary>
+    /// Gets or sets the exception associated with the error
+    /// </summary>
+    public Exception Exception { get; set; }
+}