Synchronizing calendars for gmail and some events.

Wino.Core.Domain/Interfaces/ICalendarItem.cs

@@ -8,7 +8,7 @@ namespace Wino.Core.Domain.Interfaces
         string Title { get; }
         Guid Id { get; }
         DateTimeOffset StartTime { get; }
-        DateTimeOffset EndTime { get; }
+        int DurationInMinutes { get; }
         TimeRange Period { get; }
     }
 }

Wino.Core.Domain/Interfaces/ICalendarService.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using Wino.Core.Domain.Entities.Calendar;
+
+namespace Wino.Core.Domain.Interfaces
+{
+    public interface ICalendarService
+    {
+        Task<List<AccountCalendar>> GetAccountCalendarsAsync(Guid accountId);
+        Task DeleteCalendarItemAsync(Guid calendarItemId);
+
+        Task DeleteAccountCalendarAsync(AccountCalendar accountCalendar);
+        Task InsertAccountCalendarAsync(AccountCalendar accountCalendar);
+        Task UpdateAccountCalendarAsync(AccountCalendar accountCalendar);
+        Task CreateNewCalendarItemAsync(CalendarItem calendarItem, List<CalendarEventAttendee> attendees);
+    }
+}

Wino.Core.Domain/Interfaces/IContactService.cs

@@ -10,5 +10,6 @@ namespace Wino.Core.Domain.Interfaces
         Task<List<AccountContact>> GetAddressInformationAsync(string queryText);
         Task<AccountContact> GetAddressInformationByAddressAsync(string address);
         Task SaveAddressInformationAsync(MimeMessage message);
+        Task<AccountContact> CreateNewContactAsync(string address, string displayName);
     }
 }

Wino.Core.Domain/Interfaces/IWinoSynchronizerBase.cs

@@ -19,6 +19,8 @@ namespace Wino.Core.Domain.Interfaces
         /// <returns>Result summary of synchronization.</returns>
         Task<MailSynchronizationResult> SynchronizeMailsAsync(MailSynchronizationOptions options, CancellationToken cancellationToken = default);
 
+        Task<CalendarSynchronizationResult> SynchronizeCalendarEventsAsync(CalendarSynchronizationOptions options, CancellationToken cancellationToken = default);
+
         /// <summary>
         /// Downloads a single MIME message from the server and saves it to disk.
         /// </summary>