Improve alias capability model and Outlook alias sync

Wino.Core.Domain/Entities/Mail/MailAccountAlias.cs

@@ -2,6 +2,8 @@
 using System.Collections.ObjectModel;
 using System.Security.Cryptography.X509Certificates;
 using SQLite;
+using Wino.Core.Domain;
+using Wino.Core.Domain.Enums;
 
 namespace Wino.Core.Domain.Entities.Mail;
 
@@ -42,6 +44,16 @@ public class RemoteAccountAlias
     /// Used for Gmail only.
     /// </summary>
     public string AliasSenderName { get; set; }
+
+    /// <summary>
+    /// Whether the alias was entered by the user or discovered from the provider.
+    /// </summary>
+    public AliasSource Source { get; set; } = AliasSource.Manual;
+
+    /// <summary>
+    /// Represents Wino's confidence that the alias can be used for sending.
+    /// </summary>
+    public AliasSendCapability SendCapability { get; set; } = AliasSendCapability.Unknown;
 }
 
 public class MailAccountAlias : RemoteAccountAlias
@@ -70,4 +82,28 @@ public class MailAccountAlias : RemoteAccountAlias
 
     [Ignore]
     public ObservableCollection<X509Certificate2> Certificates { get; set; } = [];
+
+    [Ignore]
+    public bool IsCapabilityConfirmed => SendCapability == AliasSendCapability.Confirmed;
+
+    [Ignore]
+    public bool IsCapabilityUnknown => SendCapability == AliasSendCapability.Unknown;
+
+    [Ignore]
+    public bool IsCapabilityDenied => SendCapability == AliasSendCapability.Denied;
+
+    [Ignore]
+    public string CapabilityDisplayName => SendCapability switch
+    {
+        AliasSendCapability.Confirmed => Translator.AccountAlias_Status_Confirmed,
+        AliasSendCapability.Denied => Translator.AccountAlias_Status_Denied,
+        _ => Translator.AccountAlias_Status_Unknown
+    };
+
+    [Ignore]
+    public string SourceDisplayName => Source switch
+    {
+        AliasSource.ProviderDiscovered => Translator.AccountAlias_Source_ProviderDiscovered,
+        _ => Translator.AccountAlias_Source_Manual
+    };
 }

Wino.Core.Domain/Entities/Shared/MailAccount.cs

@@ -120,7 +120,7 @@ public class MailAccount
     /// <summary>
     /// Gets whether the account can perform AliasInformation sync type.
     /// </summary>
-    public bool IsAliasSyncSupported => ProviderType == MailProviderType.Gmail;
+    public bool IsAliasSyncSupported => ProviderType == MailProviderType.Gmail || ProviderType == MailProviderType.Outlook;
 
     public override string ToString() => Name;
 }

Wino.Core.Domain/Enums/AliasSendCapability.cs

@@ -0,0 +1,8 @@
+namespace Wino.Core.Domain.Enums;
+
+public enum AliasSendCapability
+{
+    Unknown = 0,
+    Confirmed = 1,
+    Denied = 2
+}

Wino.Core.Domain/Enums/AliasSource.cs

@@ -0,0 +1,7 @@
+namespace Wino.Core.Domain.Enums;
+
+public enum AliasSource
+{
+    Manual = 0,
+    ProviderDiscovered = 1
+}

Wino.Core.Domain/Interfaces/IAccountService.cs

@@ -147,6 +147,7 @@ public interface IAccountService
     /// <param name="accountId">Account id.</param>
     /// <returns>Primary alias for the account.</returns>
     Task<MailAccountAlias> GetPrimaryAccountAliasAsync(Guid accountId);
+    Task UpdateAliasSendCapabilityAsync(Guid accountId, string aliasAddress, AliasSendCapability capability);
     Task<bool> IsAccountFocusedEnabledAsync(Guid accountId);
 
     /// <summary>

Wino.Core.Domain/Translations/en_US/resources.json

@@ -1,9 +1,14 @@
 {
     "AccountAlias_Column_Alias": "Alias",
     "AccountAlias_Column_IsPrimaryAlias": "Primary",
-    "AccountAlias_Column_Verified": "Verified",
-    "AccountAlias_Disclaimer_FirstLine": "Wino can only import aliases for your Gmail accounts.",
-    "AccountAlias_Disclaimer_SecondLine": "If you want to use aliases for your Outlook or IMAP account, please add them yourself.",
+    "AccountAlias_Column_Status": "Status",
+    "AccountAlias_Disclaimer_FirstLine": "Wino can import Gmail aliases directly and can best-effort discover Outlook aliases from Microsoft Graph.",
+    "AccountAlias_Disclaimer_SecondLine": "Manual aliases are still available for Outlook or IMAP when the provider can't confirm sending capability ahead of time.",
+    "AccountAlias_Source_Manual": "Manual",
+    "AccountAlias_Source_ProviderDiscovered": "Provider discovered",
+    "AccountAlias_Status_Confirmed": "Ready to send",
+    "AccountAlias_Status_Unknown": "Capability unknown",
+    "AccountAlias_Status_Denied": "Send denied",
     "AccountCacheReset_Title": "Account Cache Reset",
     "AccountCacheReset_Message": "This account requires full re-sychronization to continue working. Please wait while Wino re-synchronizes your messages...",
     "AccountContactNameYou": "You",
@@ -344,6 +349,7 @@
     "Exception_InvalidMultiAccountMoveTarget": "You can't move multiple items that belong to different accounts in linked account.",
     "Exception_MailProcessing": "This mail is still being processed. Please try again after few seconds.",
     "Exception_MissingAlias": "Primary alias does not exist for this account. Creating draft failed.",
+    "Exception_AliasSendDenied_Message": "You do not have permission to send from alias {0}. Pick another alias or update your mailbox permissions.",
     "Exception_NullAssignedAccount": "Assigned account is null",
     "Exception_NullAssignedFolder": "Assigned folder is null",
     "Exception_SynchronizerFailureHTTP": "Response handling failed with error HTTP code {0}",