[WIP] Pin attachment list to bottom of Email View

integration_test/robots/email_robot.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:tmail_ui_user/features/email/presentation/widgets/attachment_item_widget.dart';
+import 'package:tmail_ui_user/features/email/presentation/widgets/attachments_pin/email_attachments_pin_header_widget.dart';
 import 'package:tmail_ui_user/features/email/presentation/widgets/email_view_back_button.dart';
 import 'package:tmail_ui_user/features/email/presentation/widgets/information_sender_and_receiver_builder.dart';
 import 'package:tmail_ui_user/main/localizations/app_localizations.dart';
@@ -16,7 +17,7 @@ class EmailRobot extends CoreRobot {
   }
 
   Future<void> tapDownloadAllButton() async {
-    await $(AppLocalizations().archiveAndDownload).tap();
+    await $(AppLocalizations().downloadAll).tap();
     await $.pumpAndSettle();
   }
 
@@ -80,6 +81,10 @@ class EmailRobot extends CoreRobot {
     await $(InformationSenderAndReceiverBuilder).$(email).longPress();
   }
 
+  Future<void> tapAttachmentPin() async {
+    await $(EmailAttachmentsPinHeaderWidget).$(InkWell).tap();
+  }
+
   Future<void> onTapAttachmentItem() async {
     await $(AttachmentItemWidget).$(InkWell).tap();
   }

integration_test/scenarios/email_detailed/export_attachment_scenario.dart

@@ -1,6 +1,6 @@
 import 'package:flutter_test/flutter_test.dart';
 import 'package:tmail_ui_user/features/email/presentation/email_view.dart';
-import 'package:tmail_ui_user/features/email/presentation/widgets/attachment_item_widget.dart';
+import 'package:tmail_ui_user/features/email/presentation/widgets/attachments_pin/email_attachments_pin_widget.dart';
 import 'package:tmail_ui_user/main/localizations/app_localizations.dart';
 
 import '../../base/base_test_scenario.dart';
@@ -37,8 +37,9 @@ class ExportAttachmentScenario extends BaseTestScenario {
 
     await threadRobot.openEmailWithSubject(subject);
     await $.pumpAndSettle();
-    _expectAttachmentVisible();
+    _expectAttachmentPinVisible();
 
+    await emailRobot.tapAttachmentPin();
     await emailRobot.onTapAttachmentItem();
     await $.pumpAndSettle();
 
@@ -47,8 +48,8 @@ class ExportAttachmentScenario extends BaseTestScenario {
     _expectExportDialogLoadingInvisible(appLocalizations);
   }
 
-  void _expectAttachmentVisible() {
-    expect($(AttachmentItemWidget), findsOneWidget);
+  void _expectAttachmentPinVisible() {
+    expect($(EmailAttachmentsPinWidget), findsOneWidget);
   }
 
   void _expectEmailViewVisible() {

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

@@ -235,4 +235,6 @@ abstract class EmailDataSource {
   );
 
   Future<String> generateEntireMessageAsDocument(ViewEntireMessageRequest entireMessageRequest);
+
+  Future<bool> isPinAttachmentEnabled();
 }

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

@@ -611,4 +611,9 @@ class EmailDataSourceImpl extends EmailDataSource {
   Future<String> generateEntireMessageAsDocument(ViewEntireMessageRequest entireMessageRequest) {
     throw UnimplementedError();
   }
+
+  @override
+  Future<bool> isPinAttachmentEnabled() {
+    throw UnimplementedError();
+  }
 }

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

@@ -612,4 +612,9 @@ class EmailHiveCacheDataSourceImpl extends EmailDataSource {
   Future<String> generateEntireMessageAsDocument(ViewEntireMessageRequest entireMessageRequest) {
     throw UnimplementedError();
   }
+
+  @override
+  Future<bool> isPinAttachmentEnabled() {
+    throw UnimplementedError();
+  }
 }

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

@@ -43,6 +43,7 @@ import 'package:tmail_ui_user/features/email/domain/model/view_entire_message_re
 import 'package:tmail_ui_user/features/email/presentation/extensions/attachment_extension.dart';
 import 'package:tmail_ui_user/features/email/presentation/model/eml_previewer.dart';
 import 'package:tmail_ui_user/features/mailbox/domain/model/create_new_mailbox_request.dart';
+import 'package:tmail_ui_user/features/manage_account/data/local/preferences_setting_manager.dart';
 import 'package:tmail_ui_user/features/sending_queue/domain/model/sending_email.dart';
 import 'package:tmail_ui_user/main/exceptions/exception_thrower.dart';
 
@@ -53,6 +54,8 @@ class EmailLocalStorageDataSourceImpl extends EmailDataSource {
   final ExceptionThrower _exceptionThrower;
   final ImagePaths _imagePaths = Get.find<ImagePaths>();
   final FileUtils _fileUtils = Get.find<FileUtils>();
+  final PreferencesSettingManager _settingManager =
+      Get.find<PreferencesSettingManager>();
 
   EmailLocalStorageDataSourceImpl(
     this._localStorageManager,
@@ -377,4 +380,10 @@ class EmailLocalStorageDataSourceImpl extends EmailDataSource {
   }) {
     throw UnimplementedError();
   }
+
+  @override
+  Future<bool> isPinAttachmentEnabled() => Future.sync(() async {
+    final config = await _settingManager.getPinAttachmentsConfig();
+    return config.isEnabled;
+  }).catchError(_exceptionThrower.throwException);
 }

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

@@ -293,4 +293,9 @@ class EmailSessionStorageDatasourceImpl extends EmailDataSource {
   }) {
     throw UnimplementedError();
   }
+
+  @override
+  Future<bool> isPinAttachmentEnabled() {
+    throw UnimplementedError();
+  }
 }

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

@@ -617,4 +617,9 @@ class EmailRepositoryImpl extends EmailRepository {
   Future<String> generateEntireMessageAsDocument(ViewEntireMessageRequest entireMessageRequest) {
     return emailDataSource[DataSourceType.local]!.generateEntireMessageAsDocument(entireMessageRequest);
   }
+
+  @override
+  Future<bool> isPinAttachmentEnabled() {
+    return emailDataSource[DataSourceType.local]!.isPinAttachmentEnabled();
+  }
 }

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

@@ -233,4 +233,6 @@ abstract class EmailRepository {
   );
 
   Future<String> generateEntireMessageAsDocument(ViewEntireMessageRequest entireMessageRequest);
+
+  Future<bool> isPinAttachmentEnabled();
 }

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

@@ -0,0 +1,17 @@
+import 'package:core/presentation/state/failure.dart';
+import 'package:core/presentation/state/success.dart';
+
+class GettingPinAttachmentStatus extends LoadingState {}
+
+class GetPinAttachmentStatusSuccess extends UIState {
+  final bool isEnabled;
+
+  GetPinAttachmentStatusSuccess(this.isEnabled);
+
+  @override
+  List<Object?> get props => [isEnabled];
+}
+
+class GetPinAttachmentStatusFailure extends FeatureFailure {
+  GetPinAttachmentStatusFailure(dynamic exception) : super(exception: exception,);
+}

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

@@ -0,0 +1,21 @@
+import 'package:core/presentation/state/failure.dart';
+import 'package:core/presentation/state/success.dart';
+import 'package:dartz/dartz.dart';
+import 'package:tmail_ui_user/features/email/domain/repository/email_repository.dart';
+import 'package:tmail_ui_user/features/email/domain/state/get_pin_attachment_status_state.dart';
+
+class GetPinAttachmentStatusInteractor {
+  final EmailRepository _emailRepository;
+
+  const GetPinAttachmentStatusInteractor(this._emailRepository);
+
+  Stream<Either<Failure, Success>> execute() async* {
+    try {
+      yield Right<Failure, Success>(GettingPinAttachmentStatus());
+      final isEnabled = await _emailRepository.isPinAttachmentEnabled();
+      yield Right<Failure, Success>(GetPinAttachmentStatusSuccess(isEnabled));
+    } catch (e) {
+      yield Left<Failure, Success>(GetPinAttachmentStatusFailure(e));
+    }
+  }
+}

lib/features/email/presentation/action/email_ui_action.dart

@@ -1,10 +1,12 @@
 
 import 'package:jmap_dart_client/jmap/core/state.dart' as jmap;
 import 'package:jmap_dart_client/jmap/mail/email/email.dart';
+import 'package:model/email/attachment.dart';
 import 'package:model/email/email_action_type.dart';
 import 'package:model/email/presentation_email.dart';
 import 'package:tmail_ui_user/features/base/action/ui_action.dart';
 import 'package:tmail_ui_user/features/thread/data/model/email_change_response.dart';
+import 'package:tmail_ui_user/main/localizations/app_localizations.dart';
 
 class EmailUIAction extends UIAction {
   static final idle = EmailUIAction();
@@ -87,4 +89,41 @@ class CollapseEmailInThreadDetailAction extends EmailUIAction {
 
   @override
   List<Object?> get props => [emailId];
+}
+
+class DownloadEmailAttachmentInThreadDetailAction extends EmailUIAction {
+  final Attachment attachment;
+  final EmailId emailIdOpened;
+
+  DownloadEmailAttachmentInThreadDetailAction(
+    this.attachment,
+    this.emailIdOpened,
+  );
+
+  @override
+  List<Object?> get props => [attachment, emailIdOpened];
+}
+
+class ViewEmailAttachmentInThreadDetailAction extends EmailUIAction {
+  final AppLocalizations appLocalizations;
+  final Attachment attachment;
+  final EmailId emailIdOpened;
+
+  ViewEmailAttachmentInThreadDetailAction(
+    this.appLocalizations,
+    this.attachment,
+    this.emailIdOpened,
+  );
+
+  @override
+  List<Object?> get props => [appLocalizations, attachment, emailIdOpened];
+}
+
+class DownloadAllEmailAttachmentInThreadDetailAction extends EmailUIAction {
+  final EmailId emailIdOpened;
+
+  DownloadAllEmailAttachmentInThreadDetailAction(this.emailIdOpened);
+
+  @override
+  List<Object?> get props => [emailIdOpened];
 }

lib/features/email/presentation/bindings/email_bindings.dart

@@ -24,6 +24,7 @@ import 'package:tmail_ui_user/features/email/domain/usecases/export_all_attachme
 import 'package:tmail_ui_user/features/email/domain/usecases/export_attachment_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/get_email_content_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/get_entire_message_as_document_interactor.dart';
+import 'package:tmail_ui_user/features/email/domain/usecases/get_pin_attachment_status_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/get_stored_email_state_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/mark_as_email_read_interactor.dart';
 import 'package:tmail_ui_user/features/email/domain/usecases/mark_as_star_email_interactor.dart';
@@ -190,6 +191,9 @@ class EmailBindings extends BaseBindings {
         Get.find<EmailRepository>(),
       ));
     }
+    Get.lazyPut(
+      () => GetPinAttachmentStatusInteractor(Get.find<EmailRepository>()),
+    );
   }
 
   @override

lib/features/email/presentation/controller/single_email_controller.dart

@@ -223,6 +223,8 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
 
   GlobalObjectKey? get htmlViewKey => _threadDetailController?.expandedEmailHtmlViewKey;
 
+  ThreadDetailController? get threadDetailController => _threadDetailController;
+
   SingleEmailController(
     this._getEmailContentInteractor,
     this._markAsEmailReadInteractor,
@@ -272,7 +274,6 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
 
   @override
   void handleSuccessViewState(Success success) {
-    super.handleSuccessViewState(success);
     if (success is GetEmailContentSuccess) {
       _getEmailContentSuccess(success);
     } else if (success is GetEmailContentFromCacheSuccess) {
@@ -327,12 +328,13 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
       ));
     } else if (success is GettingHtmlContentFromAttachment) {
       _updateAttachmentsViewState(success.attachment.blobId, Right(success));
+    } else {
+      super.handleSuccessViewState(success);
     }
   }
 
   @override
   void handleFailureViewState(Failure failure) {
-    super.handleFailureViewState(failure);
     if (failure is MarkAsEmailReadFailure) {
       _handleMarkAsEmailReadFailure(failure);
     } else if (failure is DownloadAttachmentsFailure) {
@@ -361,6 +363,8 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
       _handleGetHtmlContentFromAttachmentFailure(failure);
     } else if (failure is PreviewPDFFileFailure) {
       _handlePreviewPDFFileFailure(failure);
+    } else {
+      super.handleFailureViewState(failure);
     }
   }
 
@@ -429,6 +433,15 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
           worker.dispose();
         }
         Get.delete<SingleEmailController>(tag: _currentEmailId!.id.value);
+      } else if (action is DownloadEmailAttachmentInThreadDetailAction &&
+          action.emailIdOpened == _currentEmailId) {
+        handleDownloadAttachmentAction(action.attachment);
+      } else if (action is ViewEmailAttachmentInThreadDetailAction &&
+          action.emailIdOpened == _currentEmailId) {
+        handleViewAttachmentAction(action.appLocalizations, action.attachment);
+      } else if (action is DownloadAllEmailAttachmentInThreadDetailAction &&
+          action.emailIdOpened == _currentEmailId) {
+        handleDownloadAllAttachmentsAction();
       }
     }));
 
@@ -1762,7 +1775,12 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
       (AttachmentListBottomSheetBuilder(context, attachments, imagePaths, _attachmentListScrollController, tag)
         ..onCloseButtonAction(() => popBack())
         ..onDownloadAttachmentFileAction((attachment) => handleDownloadAttachmentAction(attachment))
-        ..onViewAttachmentFileAction((attachment) => handleViewAttachmentAction(context, attachment))
+        ..onViewAttachmentFileAction((attachment) =>
+            handleViewAttachmentAction(
+                AppLocalizations.of(context),
+                attachment,
+            )
+        )
         ..onDownloadAllButtonAction(isDownloadAllSupported()
           ? () => downloadAllAttachmentsForWeb('TwakeMail-${DateTime.now()}')
           : null
@@ -1779,7 +1797,11 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
             backgroundColor: Colors.black.withAlpha(24),
             onCloseButtonAction: () => popBack(),
             onDownloadAttachmentFileAction: (attachment) => handleDownloadAttachmentAction(attachment),
-            onViewAttachmentFileAction: (attachment) => handleViewAttachmentAction(context, attachment),
+            onViewAttachmentFileAction: (attachment) =>
+                handleViewAttachmentAction(
+                    AppLocalizations.of(context),
+                    attachment,
+                ),
             onDownloadAllButtonAction: isDownloadAllSupported()
               ? () => downloadAllAttachmentsForWeb('TwakeMail-${DateTime.now()}')
               : null,
@@ -2034,7 +2056,8 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
     }
   }
 
-  void handleDownloadAllAttachmentsAction(String outputFileName) {
+  void handleDownloadAllAttachmentsAction() {
+    final outputFileName = 'TwakeMail-${DateTime.now()}';
     if (PlatformInfo.isWeb) {
       downloadAllAttachmentsForWeb(outputFileName);
     } else if (PlatformInfo.isMobile) {
@@ -2044,11 +2067,14 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
     }
   }
 
-  void handleViewAttachmentAction(BuildContext context, Attachment attachment) {
+  void handleViewAttachmentAction(
+    AppLocalizations appLocalizations,
+    Attachment attachment,
+  ) {
     if (PlatformInfo.isWeb && PlatformInfo.isCanvasKit && attachment.isPDFFile) {
-      previewPDFFileAction(context, attachment);
+      previewPDFFileAction(attachment);
     } else if (attachment.isEMLFile) {
-      previewEMLFileAction(attachment.blobId, AppLocalizations.of(context));
+      previewEMLFileAction(attachment.blobId, appLocalizations);
     } else if (attachment.isHTMLFile) {
       final attachmentEvaluation = evaluateAttachment(attachment);
       if (!attachmentEvaluation.canDownloadAttachment) {
@@ -2117,11 +2143,14 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
     );
   }
 
-  Future<void> previewPDFFileAction(BuildContext context, Attachment attachment) async {
+  Future<void> previewPDFFileAction(Attachment attachment) async {
     if (accountId == null || session == null) {
-      appToast.showToastErrorMessage(
-        context,
-        AppLocalizations.of(context).noPreviewAvailable);
+      if (currentContext != null && currentOverlayContext != null) {
+        appToast.showToastErrorMessage(
+            currentOverlayContext!,
+            AppLocalizations.of(currentContext!).noPreviewAvailable,
+        );
+      }
       return;
     }