fix: move the onBack outside of the navigator to prevent userstory from popping the entire stack

packages/flutter_availability/lib/src/routes.dart

@@ -3,15 +3,17 @@ import "package:flutter_availability/flutter_availability.dart";
 import "package:flutter_availability/src/ui/screens/template_availability_day_overview.dart";
 
 ///
-final homePageRoute = MaterialPageRoute(
+MaterialPageRoute homePageRoute(VoidCallback onExit) => MaterialPageRoute(
       builder: (context) => AvailabilityOverview(
-    onBack: () => Navigator.of(context).pop(),
-    onEditDateRange: (range) {
-      Navigator.of(context).push(availabilityViewRoute(range.start));
+        onEditDateRange: (range) async {
+          await Navigator.of(context).push(availabilityViewRoute(range.start));
         },
         onViewTemplates: () {},
+        onExit: () {
+          onExit();
+        },
       ),
-);
+    );
 
 ///
 MaterialPageRoute availabilityViewRoute(

packages/flutter_availability/lib/src/ui/screens/availability_overview.dart

@@ -8,7 +8,7 @@ class AvailabilityOverview extends StatefulWidget {
   const AvailabilityOverview({
     required this.onEditDateRange,
     required this.onViewTemplates,
-    required this.onBack,
+    required this.onExit,
     super.key,
   });
 
@@ -18,8 +18,8 @@ class AvailabilityOverview extends StatefulWidget {
   /// Callback for when the user wants to navigate to the overview of templates
   final VoidCallback onViewTemplates;
 
-  /// Callback invoked when a user attempts to go back
-  final VoidCallback onBack;
+  /// Callback for when the user wants to navigate back
+  final VoidCallback onExit;
 
   @override
   State<AvailabilityOverview> createState() => _AvailabilityOverviewState();
@@ -103,7 +103,7 @@ class _AvailabilityOverviewState extends State<AvailabilityOverview> {
 
     return options.baseScreenBuilder(
       context,
-      onBack,
+      widget.onExit,
       body,
     );
   }

packages/flutter_availability/lib/src/userstories.dart

@@ -26,6 +26,7 @@ class AvailabilityUserStory extends StatefulWidget {
   const AvailabilityUserStory({
     required this.userId,
     required this.options,
+    this.onExit,
     super.key,
   });
 
@@ -35,6 +36,9 @@ class AvailabilityUserStory extends StatefulWidget {
   ///
   final AvailabilityOptions options;
 
+  /// Callback for when the user wants to navigate back
+  final VoidCallback? onExit;
+
   ///
   static MaterialPageRoute route(String userId, AvailabilityOptions options) =>
       MaterialPageRoute(
@@ -61,7 +65,7 @@ class _AvailabilityUserStoryState extends State<AvailabilityUserStory> {
         service: _service,
         child: Navigator(
           onGenerateInitialRoutes: (state, route) => [
-            homePageRoute,
+            homePageRoute(widget.onExit ?? () {}),
           ],
         ),
       );

packages/flutter_availability/pubspec.yaml

@@ -11,7 +11,7 @@ dependencies:
   flutter:
     sdk: flutter
   intl: any
-  rxdart: ^0.28.0
+  rxdart: ^0.27.0
   flutter_availability_data_interface:
     git:
       url: https://github.com/Iconica-Development/flutter_availability