created basic timeline

lib/controllers/memory_slide_controller.dart

@@ -0,0 +1,50 @@
+import 'package:property_change_notifier/property_change_notifier.dart';
+
+class MemorySlideController extends PropertyChangeNotifier<String> {
+  final int memoryLength;
+
+  MemorySlideController({
+    required this.memoryLength,
+  });
+
+  int _index = 0;
+  bool _paused = false;
+  bool _done = false;
+  bool _completed = false;
+
+  bool get paused => _paused;
+  bool get done => _done;
+  int get index => _index;
+  bool get completed => _completed;
+
+  void setPaused(bool paused) {
+    _paused = paused;
+    notifyListeners('paused');
+  }
+
+  void setDone() {
+    _done = true;
+    notifyListeners('done');
+  }
+
+  void next() {
+    if (_index == memoryLength - 1) {
+      _completed = true;
+      notifyListeners('completed');
+    } else {
+      _paused = false;
+      _done = false;
+      _index++;
+      notifyListeners();
+    }
+  }
+
+  void reset() {
+    _completed = false;
+    _paused = false;
+    _done = false;
+    _index = 0;
+
+    notifyListeners();
+  }
+}

lib/controllers/status_controller.dart

@@ -0,0 +1,29 @@
+import 'package:property_change_notifier/property_change_notifier.dart';
+
+class StatusController extends PropertyChangeNotifier<String> {
+  final Duration duration;
+  bool _isForwarding = false;
+  bool _done = false;
+
+  bool get isForwarding => _isForwarding;
+  bool get done => _done;
+
+  StatusController({
+    this.duration = const Duration(seconds: 4),
+  });
+
+  void start() {
+    _isForwarding = true;
+    notifyListeners('isForwarding');
+  }
+
+  void stop() {
+    _isForwarding = false;
+    notifyListeners('isForwarding');
+  }
+
+  void setDone() {
+    _done = true;
+    notifyListeners('done');
+  }
+}

lib/foreign_types/memory.dart

@@ -0,0 +1,30 @@
+import 'package:share_location/enums.dart';
+
+class Memory {
+  final String id;
+  final DateTime creationDate;
+  final String location;
+  final bool isPublic;
+  final String userID;
+
+  const Memory({
+    required this.id,
+    required this.creationDate,
+    required this.location,
+    required this.isPublic,
+    required this.userID,
+  });
+
+  static parse(Map<String, dynamic> jsonData) {
+    return Memory(
+      id: jsonData['id'],
+      creationDate: DateTime.parse(jsonData['created_at']),
+      location: jsonData['location'],
+      isPublic: jsonData['is_public'],
+      userID: jsonData['user'],
+    );
+  }
+
+  MemoryType get type =>
+      location.split('.').last == 'jpg' ? MemoryType.photo : MemoryType.video;
+}

lib/screens/login_screen.dart

@@ -29,35 +29,7 @@ class _LoginScreenState extends AuthState<LoginScreen> with Loadable {
     super.dispose();
   }
 
-  Future<bool> doesEmailExist() async {
+  Future<void> _signUp() async {
-    // TODO: SECURE PROFILE READ ACCESS TO ONLY ALLOW ACCESS TO EMAIL ADDRESSES
-    final response = await supabase
-        .from('profiles')
-        .select()
-        .match({'username': emailController.text.trim()}).execute();
-
-    return response.data.isNotEmpty;
-  }
-
-  Future<void> signIn() async {
-    if (await doesEmailExist()) {
-      // Login User
-      final response = await supabase.auth.signIn(
-        email: emailController.text.trim(),
-        password: passwordController.text,
-      );
-      final error = response.error;
-
-      if (mounted) {
-        if (error != null) {
-          context.showErrorSnackBar(message: error.message);
-        } else {
-          emailController.clear();
-          passwordController.clear();
-        }
-      }
-    } else {
-      // Sign up User
     final response = await supabase.auth.signUp(
       emailController.text.trim(),
       passwordController.text,
@@ -65,15 +37,45 @@ class _LoginScreenState extends AuthState<LoginScreen> with Loadable {
 
     final error = response.error;
 
-      if (mounted) {
     if (error != null) {
-          context.showErrorSnackBar(message: error.message);
+      throw Exception(error);
-        } else {
+    }
+  }
+
+  Future<void> _signIn() async {
+    final response = await supabase.auth.signIn(
+      email: emailController.text.trim(),
+      password: passwordController.text,
+    );
+
+    final error = response.error;
+
+    if (error != null) {
+      throw Exception(error);
+    }
+  }
+
+  Future<void> signIn() async {
+    try {
+      await _signUp();
+    } catch (error) {
+      try {
+        await _signIn();
+      } catch (error) {
+        if (mounted) {
+          context.showErrorSnackBar(message: error.toString());
+
+          emailController.clear();
+          passwordController.clear();
+        }
+        return;
+      }
+    }
+
+    if (mounted) {
       Navigator.pushReplacementNamed(context, MainScreen.ID);
     }
   }
-    }
-  }
 
   @override
   Widget build(BuildContext context) {

lib/screens/main_screen/permissions_required_page.dart

@@ -62,7 +62,7 @@ class _PermissionsRequiredPageState extends State<PermissionsRequiredPage> {
         ),
         const SizedBox(height: MEDIUM_SPACE),
         const Text(
-          'Please grant permissions to use this app',
+          'Please grant the following permissions to use this app',
         ),
         const SizedBox(height: LARGE_SPACE),
         if (hasDeniedForever) ...[

lib/widgets/memory.dart

@@ -7,6 +7,7 @@ import 'package:share_location/managers/file_manager.dart';
 import 'package:share_location/utils/auth_required.dart';
 import 'package:share_location/widgets/raw_memory_display.dart';
 import 'package:supabase_flutter/supabase_flutter.dart';
+import 'package:video_player/video_player.dart';
 
 enum MemoryFetchStatus {
   preparing,
@@ -16,21 +17,27 @@ enum MemoryFetchStatus {
   done,
 }
 
-class Memory extends StatefulWidget {
+class MemoryView extends StatefulWidget {
   final String location;
   final DateTime creationDate;
+  final bool loopVideo;
+  final void Function(VideoPlayerController)? onVideoControllerInitialized;
+  final VoidCallback? onFileDownloaded;
 
-  const Memory({
+  const MemoryView({
     Key? key,
     required this.location,
     required this.creationDate,
+    this.loopVideo = false,
+    this.onVideoControllerInitialized,
+    this.onFileDownloaded,
   }) : super(key: key);
 
   @override
-  State<Memory> createState() => _MemoryState();
+  State<MemoryView> createState() => _MemoryViewState();
 }
 
-class _MemoryState extends AuthRequiredState<Memory> {
+class _MemoryViewState extends AuthRequiredState<MemoryView> {
   late final User _user;
   MemoryFetchStatus status = MemoryFetchStatus.preparing;
   Uint8List? data;
@@ -67,6 +74,10 @@ class _MemoryState extends AuthRequiredState<Memory> {
         .single()
         .execute();
 
+    if (!mounted) {
+      return;
+    }
+
     if (response.data == null) {
       setState(() {
         status = MemoryFetchStatus.error;
@@ -86,12 +97,24 @@ class _MemoryState extends AuthRequiredState<Memory> {
     try {
       final fileData = await FileManager.downloadFile('memories', location);
 
+      if (!mounted) {
+        return;
+      }
+
       setState(() {
         status = MemoryFetchStatus.done;
         data = fileData;
         type = memoryType;
       });
+
+      if (widget.onFileDownloaded != null) {
+        widget.onFileDownloaded!();
+      }
     } catch (error) {
+      if (!mounted) {
+        return;
+      }
+
       setState(() {
         status = MemoryFetchStatus.error;
       });
@@ -111,6 +134,8 @@ class _MemoryState extends AuthRequiredState<Memory> {
       return RawMemoryDisplay(
         data: data!,
         type: type!,
+        loopVideo: widget.loopVideo,
+        onVideoControllerInitialized: widget.onVideoControllerInitialized,
       );
     }
 

lib/widgets/memory_page.dart

@@ -0,0 +1,85 @@
+import 'package:flutter/material.dart';
+import 'package:intl/intl.dart';
+import 'package:share_location/constants/spacing.dart';
+import 'package:share_location/controllers/memory_slide_controller.dart';
+import 'package:share_location/foreign_types/memory.dart';
+import 'package:share_location/widgets/memory_slide.dart';
+
+class MemoryPage extends StatefulWidget {
+  final DateTime date;
+  final List<Memory> memories;
+  final VoidCallback onPreviousTimeline;
+  final VoidCallback onNextTimeline;
+
+  const MemoryPage({
+    Key? key,
+    required this.date,
+    required this.memories,
+    required this.onPreviousTimeline,
+    required this.onNextTimeline,
+  }) : super(key: key);
+
+  @override
+  State<MemoryPage> createState() => _MemoryPageState();
+}
+
+class _MemoryPageState extends State<MemoryPage> {
+  late final MemorySlideController controller;
+
+  @override
+  void initState() {
+    super.initState();
+
+    controller = MemorySlideController(memoryLength: widget.memories.length);
+    controller.addListener(() {
+      if (controller.done) {
+        controller.next();
+        // Force UI update
+        setState(() {});
+      }
+    }, ['done']);
+    controller.addListener(() {
+      if (controller.completed) {
+        widget.onNextTimeline();
+      }
+    }, ['completed']);
+  }
+
+  @override
+  void dispose() {
+    controller.dispose();
+
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return GestureDetector(
+      onTapDown: (_) {
+        controller.setPaused(true);
+      },
+      onTapUp: (_) {
+        controller.setPaused(false);
+      },
+      child: Stack(
+        fit: StackFit.expand,
+        children: <Widget>[
+          MemorySlide(
+            key: Key(controller.index.toString()),
+            controller: controller,
+            memory: widget.memories[controller.index],
+          ),
+          Padding(
+            padding: const EdgeInsets.only(
+                top: LARGE_SPACE, left: MEDIUM_SPACE, right: MEDIUM_SPACE),
+            child: Text(
+              DateFormat('dd. MMMM yyyy').format(widget.date),
+              textAlign: TextAlign.center,
+              style: Theme.of(context).textTheme.headline1,
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}

lib/widgets/memory_slide.dart

@@ -0,0 +1,100 @@
+import 'package:flutter/material.dart';
+import 'package:share_location/controllers/memory_slide_controller.dart';
+import 'package:share_location/controllers/status_controller.dart';
+import 'package:share_location/enums.dart';
+import 'package:share_location/foreign_types/memory.dart';
+import 'package:share_location/widgets/status.dart';
+
+import 'memory.dart';
+
+const BAR_HEIGHT = 4.0;
+const DEFAULT_IMAGE_DURATION = Duration(seconds: 5);
+
+class MemorySlide extends StatefulWidget {
+  final Memory memory;
+  final MemorySlideController controller;
+
+  const MemorySlide({
+    Key? key,
+    required this.memory,
+    required this.controller,
+  }) : super(key: key);
+
+  @override
+  State<MemorySlide> createState() => _MemorySlideState();
+}
+
+class _MemorySlideState extends State<MemorySlide>
+    with TickerProviderStateMixin {
+  StatusController? controller;
+
+  Duration? duration;
+
+  @override
+  void initState() {
+    super.initState();
+
+    widget.controller.addListener(() {
+      if (!mounted) {
+        return;
+      }
+
+      if (widget.controller.paused) {
+        controller?.stop();
+      } else {
+        controller?.start();
+      }
+    });
+  }
+
+  @override
+  void dispose() {
+    controller?.dispose();
+
+    super.dispose();
+  }
+
+  void initializeAnimation(final Duration duration) {
+    this.duration = duration;
+
+    controller = StatusController(
+      duration: duration,
+    )..addListener(widget.controller.setDone, ['done']);
+
+    setState(() {});
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Status(
+      controller: controller,
+      child: MemoryView(
+        creationDate: widget.memory.creationDate,
+        location: widget.memory.location,
+        loopVideo: false,
+        onFileDownloaded: () {
+          if (widget.memory.type == MemoryType.photo) {
+            initializeAnimation(DEFAULT_IMAGE_DURATION);
+          }
+        },
+        onVideoControllerInitialized: (controller) {
+          if (mounted) {
+            initializeAnimation(controller.value.duration);
+
+            widget.controller.addListener(() {
+              if (!mounted) {
+                return;
+              }
+
+              if (widget.controller.paused) {
+                controller.pause();
+              } else {
+                controller.play();
+              }
+            });
+          }
+        },
+      ),
+    );
+  }
+}

lib/widgets/raw_memory_display.dart

@@ -11,6 +11,7 @@ class RawMemoryDisplay extends StatefulWidget {
   final MemoryType type;
   final bool loopVideo;
   final String? filename;
+  final void Function(VideoPlayerController)? onVideoControllerInitialized;
 
   const RawMemoryDisplay({
     Key? key,
@@ -18,6 +19,7 @@ class RawMemoryDisplay extends StatefulWidget {
     required this.type,
     this.loopVideo = false,
     this.filename,
+    this.onVideoControllerInitialized,
   }) : super(key: key);
 
   @override
@@ -60,6 +62,10 @@ class _RawMemoryDisplayState extends State<RawMemoryDisplay> {
       setState(() {});
       videoController!.setLooping(widget.loopVideo);
       videoController!.play();
+
+      if (widget.onVideoControllerInitialized != null) {
+        widget.onVideoControllerInitialized!(videoController!);
+      }
     });
   }
 

lib/widgets/status.dart

@@ -0,0 +1,105 @@
+import 'package:flutter/material.dart';
+import 'package:share_location/constants/spacing.dart';
+import 'package:share_location/controllers/status_controller.dart';
+
+const BAR_HEIGHT = 4.0;
+
+class Status extends StatefulWidget {
+  final StatusController? controller;
+  final Widget child;
+
+  const Status({
+    Key? key,
+    required this.child,
+    this.controller,
+  }) : super(key: key);
+
+  @override
+  State<Status> createState() => _StatusState();
+}
+
+class _StatusState extends State<Status> with TickerProviderStateMixin {
+  late final Animation<double> animation;
+  AnimationController? animationController;
+
+  @override
+  void didUpdateWidget(covariant Status oldWidget) {
+    super.didUpdateWidget(oldWidget);
+
+    if (widget.controller != null && animationController == null) {
+      initializeAnimation();
+    }
+  }
+
+  @override
+  void dispose() {
+    animationController?.dispose();
+
+    super.dispose();
+  }
+
+  void initializeAnimation() {
+    animationController = AnimationController(
+      duration: widget.controller!.duration,
+      vsync: this,
+    );
+    animation =
+        Tween<double>(begin: 0.0, end: 1.0).animate(animationController!)
+          ..addStatusListener((status) {
+            if (status == AnimationStatus.completed) {
+              widget.controller!.setDone();
+            }
+          });
+
+    animationController!.forward();
+
+    widget.controller!.addListener(() {
+      if (widget.controller!.isForwarding) {
+        animationController!.forward();
+      } else {
+        animationController!.stop();
+      }
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Stack(
+      fit: StackFit.expand,
+      children: <Widget>[
+        widget.child,
+        Positioned(
+          left: 0,
+          bottom: SMALL_SPACE,
+          width: MediaQuery.of(context).size.width,
+          height: BAR_HEIGHT,
+          child: Padding(
+            padding: const EdgeInsets.symmetric(horizontal: SMALL_SPACE),
+            child: (widget.controller == null)
+                ? ClipRRect(
+                    borderRadius: BorderRadius.circular(HUGE_SPACE),
+                    child: LinearProgressIndicator(
+                      value: null,
+                      valueColor: AlwaysStoppedAnimation<Color>(
+                          Colors.white.withOpacity(.3)),
+                      backgroundColor: Colors.white.withOpacity(0.1),
+                    ),
+                  )
+                : AnimatedBuilder(
+                    animation: animation,
+                    builder: (_, __) => ClipRRect(
+                      borderRadius: BorderRadius.circular(HUGE_SPACE),
+                      child: LinearProgressIndicator(
+                        value: animation.value,
+                        valueColor:
+                            const AlwaysStoppedAnimation<Color>(Colors.white),
+                        backgroundColor: Colors.white.withOpacity(0.1),
+                      ),
+                    ),
+                  ),
+          ),
+        ),
+      ],
+    );
+  }
+}

lib/widgets/timeline_scroll.dart

@@ -1,6 +1,8 @@
 import 'package:flutter/material.dart';
+import 'package:intl/intl.dart';
+import 'package:share_location/foreign_types/memory.dart';
 import 'package:share_location/utils/loadable.dart';
-import 'package:share_location/widgets/memory.dart';
+import 'package:share_location/widgets/memory_page.dart';
 import 'package:supabase_flutter/supabase_flutter.dart';
 
 final supabase = Supabase.instance.client;
@@ -30,12 +32,32 @@ class _TimelineScrollState extends State<TimelineScroll> with Loadable {
         .select()
         .order('created_at', ascending: false)
         .execute();
+    final memories = List<Memory>.from(
+        List<Map<String, dynamic>>.from(response.data).map(Memory.parse));
+    final timelineMapped = convertMemoriesToTimeline(memories);
 
     setState(() {
-      timeline = response.data;
+      timeline = timelineMapped;
     });
   }
 
+  static Map<String, List<Memory>> convertMemoriesToTimeline(
+    final List<Memory> memories,
+  ) {
+    final map = <String, List<Memory>>{};
+
+    for (final memory in memories) {
+      final date = DateFormat('yyyy-MM-dd').format(memory.creationDate);
+      if (map.containsKey(date)) {
+        map[date]!.add(memory);
+      } else {
+        map[date] = [memory];
+      }
+    }
+
+    return map;
+  }
+
   @override
   Widget build(BuildContext context) {
     if (timeline == null) {
@@ -49,13 +71,17 @@ class _TimelineScrollState extends State<TimelineScroll> with Loadable {
         controller: pageController,
         scrollDirection: Axis.vertical,
         itemCount: timeline.length,
-        itemBuilder: (_, index) => Container(
+        itemBuilder: (_, index) => MemoryPage(
-          width: MediaQuery.of(context).size.width,
+          date: DateTime.parse(timeline.keys.toList()[index]),
-          height: MediaQuery.of(context).size.height,
+          memories: timeline.values.toList()[index],
-          child: Memory(
+          onNextTimeline: () {
-            location: timeline[index]['location'],
+            pageController.nextPage(
-            creationDate: DateTime.parse(timeline[index]['created_at']),
+                duration: Duration(milliseconds: 500), curve: Curves.ease);
-          ),
+          },
+          onPreviousTimeline: () {
+            pageController.previousPage(
+                duration: Duration(milliseconds: 500), curve: Curves.ease);
+          },
         ),
       ),
     );

pubspec.lock

@@ -254,6 +254,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "4.0.1"
+  intl:
+    dependency: "direct main"
+    description:
+      name: intl
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.17.0"
   js:
     dependency: transitive
     description:
@@ -443,6 +450,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "4.2.4"
+  property_change_notifier:
+    dependency: "direct main"
+    description:
+      name: property_change_notifier
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.3.0"
   quiver:
     dependency: transitive
     description:

pubspec.yaml

@@ -42,6 +42,8 @@ dependencies:
   uuid: ^3.0.6
   video_player: ^2.4.6
   path_provider: ^2.0.11
+  intl: ^0.17.0
+  property_change_notifier: ^0.3.0
 
 dev_dependencies:
   flutter_test: