TF-78 Update state email in threads and count unread of current mailbox when back from EmailView

model/lib/extensions/presentation_email_extension.dart

@@ -1,4 +1,5 @@
 import 'package:core/core.dart';
+import 'package:jmap_dart_client/jmap/mail/email/keyword_identifier.dart';
 import 'package:model/model.dart';
 
 extension PresentationEmailExtension on PresentationEmail {
@@ -12,4 +13,37 @@ extension PresentationEmailExtension on PresentationEmail {
     }
     return '';
   }
+
+  PresentationEmail markAsReadPresentationEmail({required bool unRead}) {
+    var newKeyWord = keywords;
+
+    if (unRead) {
+      newKeyWord?.removeWhere((key, value) => key == KeyWordIdentifier.emailSeen);
+    } else {
+      if (newKeyWord == null) {
+        newKeyWord = {
+          KeyWordIdentifier.emailSeen: true
+        };
+      } else {
+        newKeyWord[KeyWordIdentifier.emailSeen] = true;
+      }
+    }
+
+    return PresentationEmail(
+        id,
+        keywords: newKeyWord,
+        size: size,
+        receivedAt: receivedAt,
+        hasAttachment: hasAttachment,
+        preview: preview,
+        subject: subject,
+        sentAt: sentAt,
+        from: from,
+        to: to,
+        cc: cc,
+        bcc: bcc,
+        replyTo: replyTo,
+        selectMode:  selectMode
+    );
+  }
 }

model/lib/extensions/presentation_mailbox_extension.dart

@@ -0,0 +1,23 @@
+import 'package:jmap_dart_client/jmap/core/unsigned_int.dart';
+import 'package:jmap_dart_client/jmap/mail/mailbox/mailbox.dart';
+import 'package:model/model.dart';
+
+extension PresentationMailboxExtension on PresentationMailbox {
+
+  PresentationMailbox toPresentationMailbox({required UnsignedInt countUnRead}) {
+    return PresentationMailbox(
+      id,
+      name: name,
+      parentId: parentId,
+      role: role,
+      sortOrder: sortOrder,
+      totalEmails: totalEmails,
+      unreadEmails: UnreadEmails(countUnRead),
+      totalThreads: totalThreads,
+      unreadThreads: unreadThreads,
+      myRights: myRights,
+      isSubscribed: isSubscribed,
+      selectMode: selectMode
+    );
+  }
+}

model/lib/model.dart

@@ -38,6 +38,7 @@ export 'extensions/presentation_account_extension.dart';
 export 'extensions/user_profile_extension.dart';
 export 'extensions/presentation_email_extension.dart';
 export 'extensions/keyword_identifier_extension.dart';
+export 'extensions/presentation_mailbox_extension.dart';
 
 // Converter
 export 'converter/avatar_id_converter.dart';