Creating events.

Wino.Core.Domain/Enums/MailOperation.cs

@@ -21,6 +21,13 @@ public enum FolderSynchronizerOperation
     MarkFolderRead,
 }
 
+public enum CalendarSynchronizerOperation
+{
+    CreateEvent,
+    UpdateEvent,
+    DeleteEvent,
+}
+
 // UI requests
 public enum MailOperation
 {

Wino.Core.Domain/Interfaces/IRequestBundle.cs

@@ -1,4 +1,5 @@
-using Wino.Core.Domain.Entities.Mail;
+using Wino.Core.Domain.Entities.Calendar;
+using Wino.Core.Domain.Entities.Mail;
 using Wino.Core.Domain.Enums;
 
 namespace Wino.Core.Domain.Interfaces;
@@ -63,3 +64,9 @@ public interface IFolderActionRequest : IRequestBase
 
     FolderSynchronizerOperation Operation { get; }
 }
+
+public interface ICalendarActionRequest : IRequestBase
+{
+    CalendarItem Item { get; }
+    CalendarSynchronizerOperation Operation { get; }
+}

Wino.Core.Domain/Interfaces/ISynchronizationManager.cs

@@ -79,7 +79,7 @@ public interface ISynchronizationManager
     /// <summary>
     /// Creates a new synchronizer for a newly added account.
     /// </summary>
-    Task<IWinoSynchronizerBase> CreateSynchronizerForAccountAsync(MailAccount account);
+    IWinoSynchronizerBase CreateSynchronizerForAccount(MailAccount account);
 
     /// <summary>
     /// Destroys the synchronizer for the given account.

Wino.Core.Domain/Interfaces/IWinoRequestDelegator.cs

@@ -1,4 +1,5 @@
 using System.Threading.Tasks;
+using Wino.Core.Domain.Models.Calendar;
 using Wino.Core.Domain.Models.Folders;
 using Wino.Core.Domain.Models.MailItem;
 
@@ -29,4 +30,10 @@ public interface IWinoRequestDelegator
     /// </summary>
     /// <param name="folderOperationPreperationRequest">Folder prep request.</param>
     Task ExecuteAsync(FolderOperationPreperationRequest folderOperationPreperationRequest);
+
+    /// <summary>
+    /// Prepares and queues calendar action requests for proper synchronizers.
+    /// </summary>
+    /// <param name="calendarOperationPreparationRequest">Calendar preparation request.</param>
+    Task ExecuteAsync(CalendarOperationPreparationRequest calendarOperationPreparationRequest);
 }

Wino.Core.Domain/Models/Calendar/CalendarOperationPreparationRequest.cs

@@ -0,0 +1,19 @@
+using System.Collections.Generic;
+using Wino.Core.Domain.Entities.Calendar;
+using Wino.Core.Domain.Enums;
+
+namespace Wino.Core.Domain.Models.Calendar;
+
+/// <summary>
+/// Encapsulates the options for preparing calendar operation requests.
+/// </summary>
+/// <param name="Operation">Calendar operation to execute (Create, Update, Delete).</param>
+/// <param name="CalendarItem">Calendar item to operate on.</param>
+/// <param name="Attendees">List of attendees for the calendar event.</param>
+public record CalendarOperationPreparationRequest(CalendarSynchronizerOperation Operation, CalendarItem CalendarItem, List<CalendarEventAttendee> Attendees);
+//{
+//    public CalendarOperationPreparationRequest(CalendarItem calendarItem) 
+//        : this(calendarItem ?? throw new ArgumentNullException(nameof(calendarItem)), null)
+//    {
+//    }
+//}

Wino.Core.Domain/Models/Requests/RequestBase.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using Wino.Core.Domain.Entities.Calendar;
 using Wino.Core.Domain.Entities.Mail;
 using Wino.Core.Domain.Enums;
 using Wino.Core.Domain.Interfaces;
@@ -29,6 +30,10 @@ public abstract record FolderRequestBase(MailItemFolder Folder, FolderSynchroniz
     public virtual object GroupingKey() { return Operation; }
 }
 
+public abstract record CalendarRequestBase(CalendarItem Item) : RequestBase<CalendarSynchronizerOperation>, ICalendarActionRequest
+{
+}
+
 public class BatchCollection<TRequestType> : List<TRequestType>, IUIChangeRequest where TRequestType : IUIChangeRequest
 {
     public BatchCollection(IEnumerable<TRequestType> collection) : base(collection)