Fix displaying the external url of the link tag

lib/features/email/data/datasource/html_datasource.dart

@@ -6,4 +6,6 @@ abstract class HtmlDataSource {
     EmailContent emailContent,
     Map<String, String> mapUrlDownloadCID
   );
+
+  Future<EmailContent> addTooltipWhenHoverOnLink(EmailContent emailContent);
 }

lib/features/email/data/datasource_impl/html_datasource_impl.dart

@@ -21,4 +21,13 @@ class HtmlDataSourceImpl extends HtmlDataSource {
       throw error;
     });
   }
+
+  @override
+  Future<EmailContent> addTooltipWhenHoverOnLink(EmailContent emailContent) {
+    return Future.sync(() async {
+      return await _htmlAnalyzer.addTooltipWhenHoverOnLink(emailContent);
+    }).catchError((error) {
+      throw error;
+    });
+  }
 }

lib/features/email/data/local/html_analyzer.dart

@@ -1,6 +1,5 @@
 
 import 'package:core/core.dart';
-import 'package:core/presentation/utils/html_transformer/html_transform.dart';
 import 'package:model/model.dart';
 
 class HtmlAnalyzer {
@@ -14,12 +13,24 @@ class HtmlAnalyzer {
       case EmailContentType.textHtml:
         final htmlTransform = HtmlTransform(
             emailContent.content,
-            dioClient,
-            mapUrlDownloadCID);
+            dioClient: dioClient,
+            mapUrlDownloadCID: mapUrlDownloadCID);
         final htmlContent = await htmlTransform.transformToHtml();
         return EmailContent(emailContent.type, htmlContent);
       default:
         return emailContent;
     }
   }
+
+  Future<EmailContent> addTooltipWhenHoverOnLink(EmailContent emailContent) async {
+    switch(emailContent.type) {
+      case EmailContentType.textHtml:
+        final htmlTransform = HtmlTransform(emailContent.content);
+        final htmlContent = await htmlTransform.transformToHtml(
+            transformConfiguration: TransformConfiguration.create(customDomTransformers: [AddTooltipLinkTransformer()]));
+        return EmailContent(emailContent.type, htmlContent);
+      default:
+        return emailContent;
+    }
+  }
 }

lib/features/email/data/repository/email_repository_impl.dart

@@ -124,4 +124,11 @@ class EmailRepositoryImpl extends EmailRepository {
   Future<bool> deleteEmailPermanently(AccountId accountId, EmailId emailId) {
     return emailDataSource.deleteEmailPermanently(accountId, emailId);
   }
+
+  @override
+  Future<List<EmailContent>> addTooltipWhenHoverOnLink(List<EmailContent> emailContents) {
+    return Future.wait(emailContents
+      .map((emailContent) => _htmlDataSource.addTooltipWhenHoverOnLink(emailContent))
+      .toList());
+  }
 }

lib/features/email/domain/repository/email_repository.dart

@@ -52,6 +52,8 @@ abstract class EmailRepository {
     AccountId accountId
   );
 
+  Future<List<EmailContent>> addTooltipWhenHoverOnLink(List<EmailContent> emailContents);
+
   Future<Email?> saveEmailAsDrafts(AccountId accountId, Email email);
 
   Future<bool> removeEmailDrafts(AccountId accountId, EmailId emailId);

lib/features/email/domain/state/get_email_content_state.dart

@@ -3,12 +3,13 @@ import 'package:model/model.dart';
 
 class GetEmailContentSuccess extends UIState {
   final List<EmailContent> emailContents;
+  final List<EmailContent> emailContentsDisplayed;
   final List<Attachment> attachments;
 
-  GetEmailContentSuccess(this.emailContents, this.attachments);
+  GetEmailContentSuccess(this.emailContents, this.emailContentsDisplayed, this.attachments);
 
   @override
-  List<Object?> get props => [emailContents, attachments];
+  List<Object?> get props => [emailContents, emailContentsDisplayed, attachments];
 }
 
 class GetEmailContentFailure extends FeatureFailure {

lib/features/email/domain/usecases/get_email_content_interactor.dart

@@ -1,4 +1,5 @@
 import 'package:core/core.dart';
+import 'package:flutter/foundation.dart';
 import 'package:model/model.dart';
 import 'package:dartz/dartz.dart';
 import 'package:jmap_dart_client/jmap/account_id.dart';
@@ -22,7 +23,10 @@ class GetEmailContentInteractor {
             email.allAttachments.listAttachmentsDisplayedInContent,
             baseDownloadUrl,
             accountId);
-        yield Right<Failure, Success>(GetEmailContentSuccess(newEmailContents, email.allAttachments));
+        final newEmailContentsDisplayed = kIsWeb
+            ? await emailRepository.addTooltipWhenHoverOnLink(newEmailContents)
+            : newEmailContents;
+        yield Right<Failure, Success>(GetEmailContentSuccess(newEmailContents, newEmailContentsDisplayed, email.allAttachments));
       } else {
         yield Left(GetEmailContentFailure(null));
       }

lib/features/email/presentation/email_controller.dart

@@ -65,6 +65,7 @@ class EmailController extends BaseController {
   final emailContents = <EmailContent>[].obs;
   final attachments = <Attachment>[].obs;
   EmailId? _currentEmailId;
+  List<EmailContent>? initialEmailContents;
 
   PresentationMailbox? get currentMailbox => mailboxDashBoardController.selectedMailbox.value;
 
@@ -152,7 +153,8 @@ class EmailController extends BaseController {
   }
 
   void _getEmailContentSuccess(GetEmailContentSuccess success) {
-    emailContents.value = success.emailContents;
+    emailContents.value = success.emailContentsDisplayed;
+    initialEmailContents = success.emailContents;
     attachments.value = success.attachments;
   }
 
@@ -161,6 +163,7 @@ class EmailController extends BaseController {
     emailAddressExpandMode.value = ExpandMode.COLLAPSE;
     isDisplayFullEmailAddress.value = false;
     emailContents.clear();
+    initialEmailContents?.clear();
     attachments.clear();
   }
 
@@ -592,7 +595,7 @@ class EmailController extends BaseController {
       final arguments = ComposerArguments(
           emailActionType: emailActionType,
           presentationEmail: mailboxDashBoardController.selectedEmail.value!,
-          emailContents: emailContents,
+          emailContents: initialEmailContents,
           attachments: attachments,
           mailboxRole: mailboxDashBoardController.selectedMailbox.value?.role);