TF-2827 Only enable print button when email content loaded

lib/features/email/domain/model/email_print.dart

@@ -1,12 +1,6 @@
 import 'package:equatable/equatable.dart';
-import 'package:flutter/material.dart';
 import 'package:jmap_dart_client/jmap/mail/email/email.dart';
 import 'package:model/email/attachment.dart';
-import 'package:model/extensions/list_email_address_extension.dart';
-import 'package:model/extensions/presentation_email_extension.dart';
-import 'package:tmail_ui_user/features/email/presentation/action/email_ui_action.dart';
-import 'package:tmail_ui_user/features/email/presentation/model/email_loaded.dart';
-import 'package:tmail_ui_user/main/localizations/app_localizations.dart';
 
 class EmailPrint with EquatableMixin {
   final String appName;
@@ -45,30 +39,6 @@ class EmailPrint with EquatableMixin {
     this.replyToAddress,
   });
 
-  factory EmailPrint.generate({
-    required PrintEmailAction printEmailAction,
-    required EmailLoaded emailLoaded
-  }) {
-    return EmailPrint(
-      appName: AppLocalizations.of(printEmailAction.context).app_name,
-      userName: printEmailAction.userEmail,
-      emailInformation: printEmailAction.email.toEmail(),
-      attachments: emailLoaded.attachments,
-      emailContent: emailLoaded.htmlContent,
-      locale: Localizations.localeOf(printEmailAction.context).toLanguageTag(),
-      fromPrefix: AppLocalizations.of(printEmailAction.context).from_email_address_prefix,
-      toPrefix: AppLocalizations.of(printEmailAction.context).to_email_address_prefix,
-      ccPrefix: AppLocalizations.of(printEmailAction.context).cc_email_address_prefix,
-      bccPrefix: AppLocalizations.of(printEmailAction.context).bcc_email_address_prefix,
-      replyToPrefix: AppLocalizations.of(printEmailAction.context).replyToEmailAddressPrefix,
-      titleAttachment: AppLocalizations.of(printEmailAction.context).attachments.toLowerCase(),
-      toAddress: printEmailAction.email.to?.listEmailAddressToString(isFullEmailAddress: true),
-      ccAddress: printEmailAction.email.cc?.listEmailAddressToString(isFullEmailAddress: true),
-      bccAddress: printEmailAction.email.bcc?.listEmailAddressToString(isFullEmailAddress: true),
-      replyToAddress: printEmailAction.email.replyTo?.listEmailAddressToString(isFullEmailAddress: true),
-    );
-  }
-
   @override
   List<Object?> get props => [
     appName,

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

@@ -1,7 +1,5 @@
 
-import 'package:flutter/cupertino.dart';
 import 'package:jmap_dart_client/jmap/core/state.dart' as jmap;
-import 'package:model/email/presentation_email.dart';
 import 'package:tmail_ui_user/features/base/action/ui_action.dart';
 
 class EmailUIAction extends UIAction {
@@ -26,22 +24,6 @@ class CloseEmailDetailedViewToRedirectToTheInboxAction extends EmailUIAction {}
 
 class CloseEmailDetailedViewAction extends EmailUIAction {}
 
-class PrintEmailAction extends EmailUIAction {
-
-  final BuildContext context;
-  final String userEmail;
-  final PresentationEmail email;
-
-  PrintEmailAction({
-    required this.context,
-    required this.userEmail,
-    required this.email
-  });
-
-  @override
-  List<Object?> get props => [context, userEmail, email];
-}
-
 class HideEmailContentViewAction extends EmailUIAction {}
 
 class ShowEmailContentViewAction extends EmailUIAction {}

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

@@ -29,6 +29,7 @@ import 'package:pointer_interceptor/pointer_interceptor.dart';
 import 'package:share_plus/share_plus.dart';
 import 'package:tmail_ui_user/features/base/base_controller.dart';
 import 'package:tmail_ui_user/features/base/mixin/app_loader_mixin.dart';
+import 'package:tmail_ui_user/features/base/state/button_state.dart';
 import 'package:tmail_ui_user/features/composer/presentation/extensions/email_action_type_extension.dart';
 import 'package:tmail_ui_user/features/destination_picker/presentation/model/destination_picker_arguments.dart';
 import 'package:tmail_ui_user/features/email/domain/exceptions/email_exceptions.dart';
@@ -145,11 +146,11 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
   final emailUnsubscribe = Rxn<EmailUnsubscribe>();
   final attachmentsViewState = RxMap<Id, Either<Failure, Success>>();
   final isEmailContentHidden = RxBool(false);
+  final currentEmailLoaded = Rxn<EmailLoaded>();
 
   EmailId? _currentEmailId;
   Identity? _identitySelected;
-  EmailLoaded? _currentEmailLoaded;
+  ButtonState? _printEmailButtonState;
-  PrintEmailAction? _printEmailAction;
 
   final StreamController<Either<Failure, Success>> _downloadProgressStateController =
       StreamController<Either<Failure, Success>>.broadcast();
@@ -157,8 +158,6 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
 
   PresentationEmail? get currentEmail => mailboxDashBoardController.selectedEmail.value;
 
-  EmailLoaded? get currentEmailLoaded => _currentEmailLoaded;
-
   bool get calendarEventProcessing => viewState.value.fold(
     (failure) => false,
     (success) => success is CalendarEventReplying || success is StoreEventAttendanceStatusLoading);
@@ -499,12 +498,12 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
     }
     emailSupervisorController.popEmailQueue(success.emailCurrent?.id);
 
-    _currentEmailLoaded = EmailLoaded(
+    currentEmailLoaded.value = EmailLoaded(
       htmlContent: success.htmlEmailContent,
       attachments: List.of(success.attachments),
       emailCurrent: success.emailCurrent,
     );
-    emailSupervisorController.pushEmailQueue(_currentEmailLoaded!);
+    emailSupervisorController.pushEmailQueue(currentEmailLoaded.value!);
 
     if (success.emailCurrent?.id == currentEmail?.id) {
       attachments.value = success.attachments;
@@ -543,12 +542,12 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
     }
     emailSupervisorController.popEmailQueue(success.emailCurrent?.id);
 
-    _currentEmailLoaded = EmailLoaded(
+    currentEmailLoaded.value = EmailLoaded(
       htmlContent: success.htmlEmailContent,
       attachments: List.of(success.attachments),
       emailCurrent: success.emailCurrent,
     );
-    emailSupervisorController.pushEmailQueue(_currentEmailLoaded!);
+    emailSupervisorController.pushEmailQueue(currentEmailLoaded.value!);
 
     if (success.emailCurrent?.id == currentEmail?.id) {
       attachments.value = success.attachments;
@@ -567,13 +566,6 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
         emailContents.value = success.htmlEmailContent;
       }
 
-      if (_printEmailAction != null) {
-        _handlePrintEmailWhenEmailContentLoaded(
-          action: _printEmailAction!,
-          emailLoaded: _currentEmailLoaded!
-        );
-      }
-
       if (PlatformInfo.isMobile) {
         final detailedEmail = DetailedEmail(
           emailId: currentEmail!.id!,
@@ -627,12 +619,11 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
 
   void _resetToOriginalValue({bool isEmailClosing = false}) {
     emailContents.value = null;
-    _currentEmailLoaded = null;
+    currentEmailLoaded.value = null;
     attachments.clear();
     attachmentsViewState.value = {};
     blobCalendarEvent.value = null;
     emailUnsubscribe.value = null;
-    _printEmailAction = null;
     _identitySelected = null;
     if (isEmailClosing) {
       emailLoadedViewState.value = Right(UIState.idle);
@@ -1350,10 +1341,10 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
         mailboxDashBoardController.goToComposer(
           ComposerArguments.replyEmail(
             presentationEmail: presentationEmail,
-            content: _currentEmailLoaded?.htmlContent ?? '',
+            content: currentEmailLoaded.value?.htmlContent ?? '',
             mailboxRole: presentationEmail.mailboxContain?.role,
-            messageId: _currentEmailLoaded?.emailCurrent?.messageId,
+            messageId: currentEmailLoaded.value?.emailCurrent?.messageId,
-            references: _currentEmailLoaded?.emailCurrent?.references,
+            references: currentEmailLoaded.value?.emailCurrent?.references,
           )
         );
         break;
@@ -1361,10 +1352,10 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
         mailboxDashBoardController.goToComposer(
           ComposerArguments.replyAllEmail(
             presentationEmail: presentationEmail,
-            content: _currentEmailLoaded?.htmlContent ?? '',
+            content: currentEmailLoaded.value?.htmlContent ?? '',
             mailboxRole: presentationEmail.mailboxContain?.role,
-            messageId: _currentEmailLoaded?.emailCurrent?.messageId,
+            messageId: currentEmailLoaded.value?.emailCurrent?.messageId,
-            references: _currentEmailLoaded?.emailCurrent?.references,
+            references: currentEmailLoaded.value?.emailCurrent?.references,
           )
         );
         break;
@@ -1372,10 +1363,10 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
         mailboxDashBoardController.goToComposer(
           ComposerArguments.forwardEmail(
             presentationEmail: presentationEmail,
-            content: _currentEmailLoaded?.htmlContent ?? '',
+            content: currentEmailLoaded.value?.htmlContent ?? '',
             attachments: attachments,
-            messageId: _currentEmailLoaded?.emailCurrent?.messageId,
+            messageId: currentEmailLoaded.value?.emailCurrent?.messageId,
-            references: _currentEmailLoaded?.emailCurrent?.references,
+            references: currentEmailLoaded.value?.emailCurrent?.references,
           )
         );
         break;
@@ -1478,7 +1469,7 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
 
   void _handleParseCalendarEventFailure(ParseCalendarEventFailure failure) {
     emailLoadedViewState.value = Left<Failure, Success>(failure);
-    emailContents.value = _currentEmailLoaded?.htmlContent;
+    emailContents.value = currentEmailLoaded.value?.htmlContent;
   }
 
   void _enableScrollPageView() {
@@ -1595,26 +1586,34 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
   }
 
   void _printEmail(BuildContext context, PresentationEmail email) {
-    if (_printEmailAction != null) {
+    if (_printEmailButtonState == ButtonState.disabled) {
       log('SingleEmailController::_printEmail: Print email started');
       return;
     }
 
-    _printEmailAction = PrintEmailAction(
+    _printEmailButtonState = ButtonState.disabled;
-      context: context,
-      userEmail: mailboxDashBoardController.userEmail,
-      email: email
-    );
-    consumeState(Stream.value(Right(PrintEmailLoading())));
 
-    if (_currentEmailLoaded == null) {
+    consumeState(
-      log('SingleEmailController::_printEmail: Email content loading');
+      _printEmailInteractor.execute(
-      return;
+        EmailPrint(
-    }
+          appName: AppLocalizations.of(context).app_name,
-
+          userName: mailboxDashBoardController.userEmail,
-    _handlePrintEmailWhenEmailContentLoaded(
+          emailInformation: email.toEmail(),
-      action: _printEmailAction!,
+          attachments: currentEmailLoaded.value!.attachments,
-      emailLoaded: _currentEmailLoaded!
+          emailContent: currentEmailLoaded.value!.htmlContent,
+          locale: Localizations.localeOf(context).toLanguageTag(),
+          fromPrefix: AppLocalizations.of(context).from_email_address_prefix,
+          toPrefix: AppLocalizations.of(context).to_email_address_prefix,
+          ccPrefix: AppLocalizations.of(context).cc_email_address_prefix,
+          bccPrefix: AppLocalizations.of(context).bcc_email_address_prefix,
+          replyToPrefix: AppLocalizations.of(context).replyToEmailAddressPrefix,
+          titleAttachment: AppLocalizations.of(context).attachments.toLowerCase(),
+          toAddress: email.to?.listEmailAddressToString(isFullEmailAddress: true),
+          ccAddress: email.cc?.listEmailAddressToString(isFullEmailAddress: true),
+          bccAddress: email.bcc?.listEmailAddressToString(isFullEmailAddress: true),
+          replyToAddress: email.replyTo?.listEmailAddressToString(isFullEmailAddress: true),
+        )
+      )
     );
   }
 
@@ -1629,11 +1628,11 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
   }
 
   void _handlePrintEmailSuccess(PrintEmailSuccess success) {
-    _printEmailAction = null;
+    _printEmailButtonState = ButtonState.enabled;
   }
 
   void _showMessageWhenEmailPrintingFailed(PrintEmailFailure failure) {
-    _printEmailAction = null;
+    _printEmailButtonState = ButtonState.enabled;
 
     if (currentOverlayContext != null && currentContext != null) {
       appToast.showToastErrorMessage(
@@ -1642,23 +1641,6 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
     }
   }
 
-  void _handlePrintEmailWhenEmailContentLoaded({
-    required PrintEmailAction action,
-    required EmailLoaded emailLoaded
-  }) {
-   if (action.email.id != emailLoaded.emailCurrent?.id) {
-     log('SingleEmailController::_handlePrintEmailInQueue: Print email action NOT matched email id');
-     _printEmailAction = null;
-     return;
-   }
-
-   consumeState(
-     _printEmailInteractor.execute(
-       EmailPrint.generate(printEmailAction: action, emailLoaded: emailLoaded)
-     )
-   );
-  }
-
   void onCalendarEventReplyAction(EventActionType eventActionType, EmailId emailId) {
     switch (eventActionType) {
       case EventActionType.yes:

lib/features/email/presentation/email_view.dart

@@ -369,7 +369,7 @@ class EmailView extends GetWidget<SingleEmailController> {
                 ),
               Obx(() => CalendarEventDetailWidget(
                 calendarEvent: calendarEvent,
-                emailContent: controller.currentEmailLoaded?.htmlContent ?? '',
+                emailContent: controller.currentEmailLoaded.value?.htmlContent ?? '',
                 isDraggableAppActive: controller.mailboxDashBoardController.isAttachmentDraggableAppActive,
                 onOpenComposerAction: controller.openNewComposerAction,
                 onOpenNewTabAction: controller.openNewTabAction,

lib/features/email/presentation/widgets/email_view_app_bar_widget.dart

@@ -8,6 +8,7 @@ import 'package:model/email/email_action_type.dart';
 import 'package:model/email/presentation_email.dart';
 import 'package:model/extensions/presentation_mailbox_extension.dart';
 import 'package:model/mailbox/presentation_mailbox.dart';
+import 'package:tmail_ui_user/features/email/presentation/controller/single_email_controller.dart';
 import 'package:tmail_ui_user/features/email/presentation/styles/email_view_app_bar_widget_styles.dart';
 import 'package:tmail_ui_user/features/email/presentation/widgets/email_view_back_button.dart';
 import 'package:tmail_ui_user/main/localizations/app_localizations.dart';
@@ -18,6 +19,7 @@ typedef OnMoreActionClick = void Function(PresentationEmail, RelativeRect?);
 class EmailViewAppBarWidget extends StatelessWidget {
   final _imagePaths = Get.find<ImagePaths>();
   final _responsiveUtils = Get.find<ResponsiveUtils>();
+  final _singleEmailController = Get.find<SingleEmailController>();
 
   final PresentationEmail presentationEmail;
   final List<Widget>? optionsWidget;
@@ -99,11 +101,14 @@ class EmailViewAppBarWidget extends StatelessWidget {
                     presentationEmail.hasStarred ? EmailActionType.unMarkAsStarred : EmailActionType.markAsStarred
                   )
                 ),
-                if (PlatformInfo.isWeb && PlatformInfo.isCanvasKit)
+                Obx(() {
-                  ...[
+                  if (_singleEmailController.currentEmailLoaded.value != null
-                    const SizedBox(width: EmailViewAppBarWidgetStyles.space),
+                    && PlatformInfo.isWeb
-                    TMailButtonWidget.fromIcon(
+                    && PlatformInfo.isCanvasKit
+                  ) {
+                    return TMailButtonWidget.fromIcon(
                       icon: _imagePaths.icPrinter,
+                      margin: const EdgeInsetsDirectional.only(start: EmailViewAppBarWidgetStyles.space),
                       iconSize: EmailViewAppBarWidgetStyles.deleteButtonIconSize,
                       backgroundColor: Colors.transparent,
                       padding: EmailViewAppBarWidgetStyles.buttonPadding,
@@ -112,8 +117,11 @@ class EmailViewAppBarWidget extends StatelessWidget {
                         presentationEmail,
                         EmailActionType.printAll
                       )
-                    ),
+                    );
-                  ],
+                  } else {
+                    return const SizedBox.shrink();
+                  }
+                }),
                 const SizedBox(width: EmailViewAppBarWidgetStyles.space),
                 TMailButtonWidget.fromIcon(
                   icon: _imagePaths.icDeleteComposer,