feat: Better support error when saving the picture locally

packages/smooth_app/lib/generic_lib/dialogs/smooth_alert_dialog.dart

@@ -1,7 +1,10 @@
 import 'package:flutter/material.dart';
+import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:flutter_svg/flutter_svg.dart';
 import 'package:smooth_app/generic_lib/buttons/smooth_simple_button.dart';
 import 'package:smooth_app/generic_lib/design_constants.dart';
 import 'package:smooth_app/generic_lib/widgets/smooth_responsive.dart';
+import 'package:smooth_app/helpers/app_helper.dart';
 
 /// Custom Dialog to use in the app
 ///
@@ -466,3 +469,68 @@ class _SmoothActionFlatButton extends StatelessWidget {
     );
   }
 }
+
+/// A custom dialog where you only have to pass a [title] and a [message].
+/// By default an "OK" button will be show., but you can override it by passing
+/// a [positiveAction] and/or [negativeAction]
+class SmoothSimpleErrorAlertDialog extends StatelessWidget {
+  const SmoothSimpleErrorAlertDialog({
+    required this.title,
+    required this.message,
+    this.positiveAction,
+    this.negativeAction,
+    this.actionsAxis,
+    this.actionsOrder,
+    this.contentPadding,
+  });
+
+  final String title;
+  final String message;
+  final SmoothActionButton? positiveAction;
+  final SmoothActionButton? negativeAction;
+  final Axis? actionsAxis;
+  final SmoothButtonsBarOrder? actionsOrder;
+  final EdgeInsetsDirectional? contentPadding;
+
+  @override
+  Widget build(BuildContext context) {
+    final Widget content = Column(
+      children: <Widget>[
+        SvgPicture.asset(
+          'assets/misc/error.svg',
+          width: MINIMUM_TOUCH_SIZE * 2,
+          package: AppHelper.APP_PACKAGE,
+        ),
+        const SizedBox(height: MEDIUM_SPACE),
+        Text(
+          title,
+          textAlign: TextAlign.center,
+          style: Theme.of(context).textTheme.titleLarge,
+        ),
+        const SizedBox(height: LARGE_SPACE),
+        Text(
+          message,
+          textAlign: TextAlign.center,
+          style: Theme.of(context).textTheme.bodyMedium?.copyWith(height: 1.3),
+        ),
+      ],
+    );
+
+    SmoothActionButton? positiveButton = positiveAction;
+    if (positiveAction == null && negativeAction == null) {
+      final AppLocalizations appLocalizations = AppLocalizations.of(context);
+      positiveButton = SmoothActionButton(
+        text: appLocalizations.okay,
+        onPressed: () => Navigator.of(context).maybePop(),
+      );
+    }
+
+    return SmoothAlertDialog(
+      body: content,
+      positiveAction: positiveButton,
+      negativeAction: negativeAction,
+      actionsOrder: actionsOrder,
+      contentPadding: contentPadding,
+    );
+  }
+}

packages/smooth_app/lib/helpers/analytics_helper.dart

@@ -324,6 +324,10 @@ class AnalyticsHelper {
     }
   }
 
+  static void sendException(dynamic throwable, {dynamic stackTrace}) {
+    Sentry.captureException(throwable, stackTrace: stackTrace);
+  }
+
   static String? get matomoVisitorId => MatomoTracker.instance.visitor.id;
 }
 

packages/smooth_app/lib/l10n/app_en.arb

@@ -538,6 +538,14 @@
     "@crop_page_action_local": {
         "description": "Action being performed on the crop page"
     },
+    "crop_page_action_local_failed_title": "Oops… there's something with your photo!",
+    "@crop_page_action_local_title": {
+        "description": "The save of the picture locally failed - error dialog message"
+    },
+    "crop_page_action_local_failed_message": "We are unable to process the image locally, before sending it to our server. Please try again later or contact-us if the issue persists.",
+    "@crop_page_action_local_message": {
+        "description": "The save of the picture locally failed - error dialog message"
+    },
     "crop_page_too_small_image_title": "The image is too small!",
     "@crop_page_too_small_image_title": {
         "description": "Title of a dialog warning the user that the image is too small for upload"

packages/smooth_app/lib/pages/crop_page.dart

@@ -17,6 +17,7 @@ import 'package:smooth_app/database/local_database.dart';
 import 'package:smooth_app/generic_lib/design_constants.dart';
 import 'package:smooth_app/generic_lib/dialogs/smooth_alert_dialog.dart';
 import 'package:smooth_app/generic_lib/loading_dialog.dart';
+import 'package:smooth_app/helpers/analytics_helper.dart';
 import 'package:smooth_app/helpers/database_helper.dart';
 import 'package:smooth_app/helpers/image_compute_container.dart';
 import 'package:smooth_app/helpers/image_field_extension.dart';
@@ -239,7 +240,15 @@ class _CropPageState extends State<CropPage> {
       maxSize: _screenSize.longestSide,
     );
     setState(() => _progress = appLocalizations.crop_page_action_local);
-    await saveBmp(file: result, source: cropped);
+
+    try {
+      await saveBmp(file: result, source: cropped)
+          .timeout(const Duration(seconds: 10));
+    } catch (e, trace) {
+      AnalyticsHelper.sendException(e, stackTrace: trace);
+      rethrow;
+    }
+
     return result;
   }
 
@@ -387,6 +396,7 @@ class _CropPageState extends State<CropPage> {
         return true;
       }
     } catch (e) {
+      _showErrorDialog();
       return false;
     } finally {
       _progress = null;
@@ -493,6 +503,20 @@ class _CropPageState extends State<CropPage> {
       return false;
     }
   }
+
+  Future<void> _showErrorDialog() {
+    final AppLocalizations appLocalizations = AppLocalizations.of(context);
+
+    return showDialog<void>(
+      context: context,
+      builder: (BuildContext context) {
+        return SmoothSimpleErrorAlertDialog(
+          title: appLocalizations.crop_page_action_local_failed_title,
+          message: appLocalizations.crop_page_action_local_failed_message,
+        );
+      },
+    );
+  }
 }
 
 /// Standard icon button for this page.