feat: complete timeline userstory

packages/flutter_timeline/lib/flutter_timeline.dart

@@ -4,5 +4,6 @@
 /// Flutter Timeline library
 library flutter_timeline;
 
+export 'package:flutter_timeline/src/flutter_timeline_userstory.dart';
 export 'package:flutter_timeline_interface/flutter_timeline_interface.dart';
 export 'package:flutter_timeline_view/flutter_timeline_view.dart';

packages/flutter_timeline/lib/src/flutter_timeline_userstory.dart

@@ -5,9 +5,12 @@ import 'package:go_router/go_router.dart';
 
 mixin TimelineUserStoryRoutes {
   static const String timelineHome = '/timeline';
-  static String timelineCreate(String category) => '/timeline-create/$category';
+  static const String timelineCreate = '/timeline-create/:category';
+  static String timelineCreatePath(String category) =>
+      '/timeline-create/$category';
   static const String timelineSelect = '/timeline-select';
-  static String timelineView(String postId) => '/timeline-view/$postId';
+  static const String timelineView = '/timeline-view/:post';
+  static String timelineViewPath(String postId) => '/timeline-view/$postId';
 }
 
 class TimelineUserStoryConfiguration {
@@ -15,22 +18,31 @@ class TimelineUserStoryConfiguration {
     required this.optionsBuilder,
     required this.userId,
     required this.service,
-    this.pageBuilder,
+    required this.userService,
+    this.mainPageBuilder,
+    this.postScreenBuilder,
+    this.postCreationScreenBuilder,
+    this.postSelectionScreenBuilder,
     this.onUserTap,
-    this.timelinePostHeight,
   });
 
   final String userId;
 
-  final double? timelinePostHeight;
   final Function(String userId)? onUserTap;
 
-  final Widget Function(Widget child)? pageBuilder;
+  final Widget Function(Widget filterBar, Widget child)? mainPageBuilder;
+
+  final Widget Function(Widget child)? postScreenBuilder;
+
+  final Widget Function(Widget child)? postCreationScreenBuilder;
+
+  final Widget Function(Widget child)? postSelectionScreenBuilder;
 
   final TimelineService service;
 
-  final TimelineOptions Function(BuildContext context)
-      optionsBuilder; // New callback
+  final TimelineUserService userService;
+
+  final TimelineOptions Function(BuildContext context) optionsBuilder;
 }
 
 List<GoRoute> getTimelineStoryRoutes(
@@ -39,22 +51,93 @@ List<GoRoute> getTimelineStoryRoutes(
     <GoRoute>[
       GoRoute(
         path: TimelineUserStoryRoutes.timelineHome,
-        pageBuilder: (context, state) => buildScreenWithoutTransition(
-          context: context,
-          state: state,
-          child: Scaffold(
-            body: TimelineScreen(
-              userId: configuration.userId,
-              onUserTap: configuration.onUserTap,
-              service: configuration.service,
-              options: configuration.optionsBuilder(context),
-              timelinePostHeight: configuration.timelinePostHeight,
-              onPostTap: (_) async => context.push('/timeline-view/1'),
-              timelineCategoryFilter: 'category',
-            ),
-          ),
-        ),
+        pageBuilder: (context, state) {
+          var timelineScreen = TimelineScreen(
+            userId: configuration.userId,
+            onUserTap: configuration.onUserTap,
+            service: configuration.service,
+            options: configuration.optionsBuilder(context),
+            onPostTap: (post) async =>
+                TimelineUserStoryRoutes.timelineViewPath(post.id),
+            timelineCategoryFilter: 'news',
+          );
+          return buildScreenWithoutTransition(
+            context: context,
+            state: state,
+            child: configuration.mainPageBuilder?.call(
+                  Container(), // TODO(anyone): create a selection widget
+                  timelineScreen,
+                ) ??
+                Scaffold(
+                  body: timelineScreen,
+                ),
+          );
+        },
+      ),
+      GoRoute(
+        path: TimelineUserStoryRoutes.timelineSelect,
+        pageBuilder: (context, state) {
+          var timelineSelectionWidget =
+              Container(); // TODO(anyone): create timeline selection screen
+          return buildScreenWithoutTransition(
+            context: context,
+            state: state,
+            child: configuration.postSelectionScreenBuilder?.call(
+                  timelineSelectionWidget,
+                ) ??
+                Scaffold(
+                  body: timelineSelectionWidget,
+                ),
+          );
+        },
+      ),
+      GoRoute(
+        path: TimelineUserStoryRoutes.timelineCreate,
+        pageBuilder: (context, state) {
+          var timelineCreateWidget = TimelinePostCreationScreen(
+            userId: configuration.userId,
+            options: configuration.optionsBuilder(context),
+            postCategory: state.pathParameters['category'] ?? '',
+            service: configuration.service,
+            onPostCreated: (post) => context.go(
+              TimelineUserStoryRoutes.timelineViewPath(post.id),
+            ),
+          );
+          return buildScreenWithoutTransition(
+            context: context,
+            state: state,
+            child: configuration.postCreationScreenBuilder
+                    ?.call(timelineCreateWidget) ??
+                Scaffold(
+                  body: timelineCreateWidget,
+                ),
+          );
+        },
+      ),
+      GoRoute(
+        path: TimelineUserStoryRoutes.timelineView,
+        pageBuilder: (context, state) {
+          var timelinePostWidget = TimelinePostScreen(
+            userId: configuration.userId,
+            options: configuration.optionsBuilder(context),
+            service: configuration.service,
+            userService: configuration.userService,
+            post: configuration.service.getPost(state.pathParameters['post']!)!,
+            onPostDelete: () => context.go(
+              TimelineUserStoryRoutes.timelineHome,
+            ),
+            onUserTap: configuration.onUserTap,
+          );
+          return buildScreenWithoutTransition(
+            context: context,
+            state: state,
+            child: configuration.postScreenBuilder?.call(
+                  timelinePostWidget,
+                ) ??
+                Scaffold(
+                  body: timelinePostWidget,
+                ),
+          );
+        },
       ),
-
-      /// Here come the other timeline screens that all use the same configuration
     ];

packages/flutter_timeline_firebase/lib/src/service/firebase_timeline_service.dart

@@ -115,6 +115,12 @@ class FirebaseTimelineService with ChangeNotifier implements TimelineService {
     return updatedPost;
   }
 
+  @override
+  TimelinePost? getPost(String postId) =>
+      (_posts.any((element) => element.id == postId))
+          ? _posts.firstWhere((element) => element.id == postId)
+          : null;
+
   @override
   List<TimelinePost> getPosts(String? category) => _posts
       .where((element) => category == null || element.category == category)

packages/flutter_timeline_interface/lib/src/services/timeline_service.dart

@@ -13,6 +13,7 @@ abstract class TimelineService with ChangeNotifier {
   Future<TimelinePost> createPost(TimelinePost post);
   Future<List<TimelinePost>> fetchPosts(String? category);
   Future<TimelinePost> fetchPost(TimelinePost post);
+  TimelinePost? getPost(String postId);
   List<TimelinePost> getPosts(String? category);
   Future<TimelinePost> fetchPostDetails(TimelinePost post);
   Future<TimelinePost> reactToPost(

packages/flutter_timeline_view/lib/src/config/timeline_options.dart

@@ -15,6 +15,7 @@ class TimelineOptions {
     this.translations = const TimelineTranslations(),
     this.imagePickerConfig = const ImagePickerConfig(),
     this.imagePickerTheme = const ImagePickerTheme(),
+    this.timelinePostHeight,
     this.allowAllDeletion = false,
     this.sortCommentsAscending = true,
     this.sortPostsAscending = false,
@@ -44,6 +45,9 @@ class TimelineOptions {
   ///  only the posts of the current user
   final bool allowAllDeletion;
 
+  /// The height of a post in the timeline
+  final double? timelinePostHeight;
+
   final TimelineTranslations translations;
 
   final ButtonBuilder? buttonBuilder;

packages/flutter_timeline_view/lib/src/screens/timeline_screen.dart

@@ -19,7 +19,6 @@ class TimelineScreen extends StatefulWidget {
     this.posts,
     this.controller,
     this.timelineCategoryFilter,
-    this.timelinePostHeight,
     this.padding = const EdgeInsets.symmetric(vertical: 12.0),
     super.key,
   });
@@ -38,9 +37,6 @@ class TimelineScreen extends StatefulWidget {
 
   final String? timelineCategoryFilter;
 
-  /// The height of a post in the timeline
-  final double? timelinePostHeight;
-
   /// This is used if you want to pass in a list of posts instead
   /// of fetching them from the service
   final List<TimelinePost>? posts;
@@ -106,7 +102,7 @@ class _TimelineScreenState extends State<TimelineScreen> {
                     userId: widget.userId,
                     options: widget.options,
                     post: post,
-                    height: widget.timelinePostHeight,
+                    height: widget.options.timelinePostHeight,
                     onTap: () => widget.onPostTap.call(post),
                     onTapLike: () async =>
                         widget.service.likePost(widget.userId, post),