TF-3189 new option to enable/disable subaddressing for a personal folder

model/lib/extensions/mailbox_extension.dart

@@ -34,6 +34,7 @@ extension MailboxExtension on Mailbox {
       myRights: myRights,
       isSubscribed: isSubscribed,
       namespace: namespace,
+      rights: rights
     );
   }
 
@@ -51,6 +52,7 @@ extension MailboxExtension on Mailbox {
       myRights: updatedProperties.contain(MailboxProperty.myRights) ? newMailbox.myRights : myRights,
       isSubscribed: updatedProperties.contain(MailboxProperty.isSubscribed) ? newMailbox.isSubscribed : isSubscribed,
       namespace: updatedProperties.contain(MailboxProperty.namespace) ? newMailbox.namespace : namespace,
+      rights: updatedProperties.contain(MailboxProperty.rights) ? newMailbox.rights : rights,
     );
   }
 
@@ -68,6 +70,7 @@ extension MailboxExtension on Mailbox {
         myRights: myRights,
         isSubscribed: isSubscribed,
         namespace: namespace,
+        rights: rights
     );
   }
 

model/lib/extensions/presentation_mailbox_extension.dart

@@ -2,6 +2,7 @@ import 'package:jmap_dart_client/jmap/mail/mailbox/mailbox.dart';
 import 'package:jmap_dart_client/jmap/mail/mailbox/namespace.dart';
 import 'package:model/mailbox/mailbox_state.dart';
 import 'package:model/mailbox/presentation_mailbox.dart';
+import 'package:model/mailbox/mailbox_constants.dart';
 import 'package:model/mailbox/select_mode.dart';
 
 extension PresentationMailboxExtension on PresentationMailbox {
@@ -49,6 +50,8 @@ extension PresentationMailboxExtension on PresentationMailbox {
 
   bool get isSubscribedMailbox => isSubscribed != null && isSubscribed?.value == true;
 
+  bool get isSubaddressingAllowed => rights != null && rights?[anyoneIdentifier]?.contains(postingRight) == true;
+
   bool get allowedToDisplayCountOfUnreadEmails => !(isTrash || isSpam || isDrafts || isTemplates || isSent) && countUnreadEmails > 0;
 
   bool get allowedToDisplayCountOfTotalEmails => (isTrash || isSpam || isDrafts) && countTotalEmails > 0;
@@ -100,6 +103,7 @@ extension PresentationMailboxExtension on PresentationMailbox {
       state: state,
       namespace: namespace,
       displayName: displayName,
+      rights: rights
     );
   }
 
@@ -121,6 +125,7 @@ extension PresentationMailboxExtension on PresentationMailbox {
       state: state,
       namespace: namespace,
       displayName: displayName,
+      rights: rights
     );
   }
 
@@ -142,6 +147,7 @@ extension PresentationMailboxExtension on PresentationMailbox {
       state: newMailboxState,
       namespace: namespace,
       displayName: displayName,
+      rights: rights
     );
   }
 
@@ -159,6 +165,7 @@ extension PresentationMailboxExtension on PresentationMailbox {
       myRights: myRights,
       isSubscribed: isSubscribed,
       namespace: namespace,
+      rights: rights
     );
   }
 
@@ -180,6 +187,7 @@ extension PresentationMailboxExtension on PresentationMailbox {
       state: state,
       namespace: namespace,
       displayName: displayName,
+      rights: rights
     );
   }
 
@@ -201,6 +209,7 @@ extension PresentationMailboxExtension on PresentationMailbox {
       state: state,
       namespace: namespace,
       displayName: displayName,
+      rights: rights
     );
   }
 }

model/lib/mailbox/mailbox_constants.dart

@@ -0,0 +1,2 @@
+const String anyoneIdentifier = 'anyone';
+const String postingRight = 'p';

model/lib/mailbox/mailbox_property.dart

@@ -12,4 +12,5 @@ class MailboxProperty {
   static const String myRights = 'myRights';
   static const String isSubscribed = 'isSubscribed';
   static const String namespace = 'namespace';
+  static const String rights = 'rights';
 }

model/lib/mailbox/presentation_mailbox.dart

@@ -48,6 +48,7 @@ class PresentationMailbox with EquatableMixin {
   final MailboxState? state;
   final Namespace? namespace;
   final String? displayName;
+  final Map<String, List<String>?>? rights;
 
   PresentationMailbox(
     this.id,
@@ -67,6 +68,7 @@ class PresentationMailbox with EquatableMixin {
       this.state = MailboxState.activated,
       this.namespace,
       this.displayName,
+      this.rights
     }
   );
 
@@ -88,6 +90,7 @@ class PresentationMailbox with EquatableMixin {
     state,
     namespace,
     displayName,
+    rights
   ];
 
   PresentationMailbox copyWith({