implemented LogbookScreen

lib/providers/logbook_photos_provider.dart

@@ -1,8 +1,12 @@
+import 'dart:io';
+
 import 'package:collection/collection.dart';
 import 'package:flutter/material.dart';
+import 'package:lightmeter/providers/films_provider.dart';
 import 'package:lightmeter/utils/context_utils.dart';
 import 'package:m3_lightmeter_iap/m3_lightmeter_iap.dart';
 import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';
+import 'package:uuid/v8.dart';
 
 class LogbookPhotosProvider extends StatefulWidget {
   final LogbookPhotosStorageService storageService;
@@ -52,10 +56,29 @@ class LogbookPhotosProviderState extends State<LogbookPhotosProvider> {
     widget.onInitialized?.call();
   }
 
-  Future<void> addPhoto(LogbookPhoto photo) async {
-    await widget.storageService.addPhoto(photo);
-    _photos[photo.id] = photo;
-    setState(() {});
+  Future<void> addPhotoIfPossible(
+    String path, {
+    required double ev100,
+    required int iso,
+    required int nd,
+  }) async {
+    if (context.isPro) {
+      final photo = LogbookPhoto(
+        id: const UuidV8().generate(),
+        name: path,
+        timestamp: DateTime.timestamp(),
+        ev: ev100,
+        iso: iso,
+        nd: nd,
+        film: Films.selectedOf(context),
+        coordinates: null, // TODO
+      );
+      //await widget.storageService.addPhoto(photo);
+      _photos[photo.id] = photo;
+      setState(() {});
+    } else {
+      Directory(path).deleteSync(recursive: true);
+    }
   }
 
   Future<void> updateProfile(LogbookPhoto photo) async {
@@ -73,6 +96,7 @@ class LogbookPhotosProviderState extends State<LogbookPhotosProvider> {
   Future<void> deleteProfile(LogbookPhoto photo) async {
     await widget.storageService.deletePhoto(photo.id);
     _photos.remove(photo.id);
+    Directory(photo.name).deleteSync(recursive: true);
     setState(() {});
   }
 }

lib/screens/logbook/screen_logbook.dart

@@ -0,0 +1,75 @@
+import 'dart:io';
+
+import 'package:flutter/material.dart';
+import 'package:lightmeter/generated/l10n.dart';
+import 'package:lightmeter/navigation/routes.dart';
+import 'package:lightmeter/platform_config.dart';
+import 'package:lightmeter/providers/equipment_profile_provider.dart';
+import 'package:lightmeter/providers/logbook_photos_provider.dart';
+import 'package:lightmeter/res/dimens.dart';
+import 'package:lightmeter/screens/equipment_profile_edit/flow_equipment_profile_edit.dart';
+import 'package:lightmeter/screens/shared/sliver_placeholder/widget_sliver_placeholder.dart';
+import 'package:lightmeter/screens/shared/sliver_screen/screen_sliver.dart';
+import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';
+
+class LogbookScreen extends StatefulWidget {
+  const LogbookScreen({super.key});
+
+  @override
+  State<LogbookScreen> createState() => _LogbookScreenState();
+}
+
+class _LogbookScreenState extends State<LogbookScreen> with SingleTickerProviderStateMixin {
+  @override
+  Widget build(BuildContext context) {
+    return SliverScreen(
+      title: Text("Logbook"),
+      slivers: [
+        _PicturesGridBuilder(
+          values: LogbookPhotos.of(context),
+          onEdit: _editProfile,
+        ),
+        SliverToBoxAdapter(
+          child: SizedBox(height: MediaQuery.paddingOf(context).bottom),
+        ),
+      ],
+    );
+  }
+
+  void _editProfile(LogbookPhoto photo) {}
+}
+
+class _PicturesGridBuilder extends StatelessWidget {
+  final List<LogbookPhoto> values;
+  final void Function(LogbookPhoto photo) onEdit;
+
+  static const int _crossAxisCount = 3;
+
+  const _PicturesGridBuilder({
+    required this.values,
+    required this.onEdit,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return SliverGrid(
+      gridDelegate: SliverGridDelegateWithMaxCrossAxisExtent(
+        maxCrossAxisExtent:
+            (MediaQuery.sizeOf(context).width - Dimens.paddingS * (_crossAxisCount - 1)) / _crossAxisCount,
+        mainAxisSpacing: Dimens.paddingS,
+        crossAxisSpacing: Dimens.paddingS,
+        childAspectRatio: PlatformConfig.cameraPreviewAspectRatio,
+      ),
+      delegate: SliverChildBuilderDelegate(
+        (BuildContext context, int index) {
+          return Container(
+            alignment: Alignment.center,
+            color: Colors.teal[100 * (index % 9)],
+            child: Image.file(File(values[index].name)),
+          );
+        },
+        childCount: values.length,
+      ),
+    );
+  }
+}

lib/screens/metering/bloc_metering.dart

@@ -5,6 +5,7 @@ import 'package:flutter/foundation.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:lightmeter/data/models/volume_action.dart';
 import 'package:lightmeter/interactors/metering_interactor.dart';
+import 'package:lightmeter/providers/logbook_photos_provider.dart';
 import 'package:lightmeter/screens/metering/communication/bloc_communication_metering.dart';
 import 'package:lightmeter/screens/metering/communication/event_communication_metering.dart' as communication_events;
 import 'package:lightmeter/screens/metering/communication/state_communication_metering.dart' as communication_states;
@@ -17,12 +18,14 @@ class MeteringBloc extends Bloc<MeteringEvent, MeteringState> {
   final MeteringInteractor _meteringInteractor;
   final VolumeKeysNotifier _volumeKeysNotifier;
   final MeteringCommunicationBloc _communicationBloc;
+  final LogbookPhotosProviderState _logbookPhotosProvider;
   late final StreamSubscription<communication_states.ScreenState> _communicationSubscription;
 
   MeteringBloc(
     this._meteringInteractor,
     this._volumeKeysNotifier,
     this._communicationBloc,
+    this._logbookPhotosProvider,
   ) : super(
           MeteringDataState(
             ev100: null,
@@ -74,9 +77,14 @@ class MeteringBloc extends Bloc<MeteringEvent, MeteringState> {
   @visibleForTesting
   void onCommunicationState(communication_states.ScreenState communicationState) {
     if (communicationState is communication_states.MeasuredState) {
+      String? photoPath;
+      if (communicationState case final communication_states.MeteringEndedState state) {
+        photoPath = state.photoPath;
+      }
       _handleEv100(
         communicationState.ev100,
         isMetering: communicationState is communication_states.MeteringInProgressState,
+        photoPath: photoPath,
       );
     }
   }
@@ -152,15 +160,29 @@ class MeteringBloc extends Bloc<MeteringEvent, MeteringState> {
     );
   }
 
-  void _handleEv100(double? ev100, {required bool isMetering}) {
+  void _handleEv100(double? ev100, {required bool isMetering, String? photoPath}) {
     if (ev100 == null || ev100.isNaN || ev100.isInfinite) {
       add(MeasureErrorEvent(isMetering: isMetering));
     } else {
-      add(MeasuredEvent(ev100, isMetering: isMetering));
+      add(
+        MeasuredEvent(
+          ev100,
+          isMetering: isMetering,
+          photoPath: photoPath,
+        ),
+      );
     }
   }
 
   void _onMeasured(MeasuredEvent event, Emitter emit) {
+    if (event.photoPath case final path?) {
+      _logbookPhotosProvider.addPhotoIfPossible(
+        path,
+        ev100: event.ev100,
+        iso: state.iso.value,
+        nd: state.nd.value,
+      );
+    }
     emit(
       MeteringDataState(
         ev100: event.ev100,

lib/screens/metering/communication/bloc_communication_metering.dart

@@ -10,7 +10,7 @@ class MeteringCommunicationBloc extends Bloc<MeteringCommunicationEvent, Meterin
     on<MeasureEvent>((_, emit) => emit(MeasureState()));
     on<EquipmentProfileChangedEvent>((event, emit) => emit(EquipmentProfileChangedState(event.profile)));
     on<MeteringInProgressEvent>((event, emit) => emit(MeteringInProgressState(event.ev100)));
-    on<MeteringEndedEvent>((event, emit) => emit(MeteringEndedState(event.ev100)));
+    on<MeteringEndedEvent>((event, emit) => emit(MeteringEndedState(event.ev100, photoPath: event.photoPath)));
     on<ScreenOnTopOpenedEvent>((_, emit) => emit(const SettingsOpenedState()));
     on<ScreenOnTopClosedEvent>((_, emit) => emit(const SettingsClosedState()));
   }

lib/screens/metering/communication/event_communication_metering.dart

@@ -45,17 +45,22 @@ class MeteringInProgressEvent extends MeasuredEvent {
 }
 
 class MeteringEndedEvent extends MeasuredEvent {
-  const MeteringEndedEvent(super.ev100);
+  const MeteringEndedEvent(
+    super.ev100, {
+    this.photoPath,
+  });
+
+  final String? photoPath;
 
   @override
   bool operator ==(Object other) {
     if (identical(this, other)) return true;
     if (other.runtimeType != runtimeType) return false;
-    return other is MeteringEndedEvent && other.ev100 == ev100;
+    return other is MeteringEndedEvent && other.ev100 == ev100 && other.photoPath == photoPath;
   }
 
   @override
-  int get hashCode => Object.hash(ev100, runtimeType);
+  int get hashCode => Object.hash(runtimeType, ev100, photoPath);
 }
 
 class ScreenOnTopOpenedEvent extends ScreenEvent {

lib/screens/metering/communication/state_communication_metering.dart

@@ -47,17 +47,22 @@ class MeteringInProgressState extends MeasuredState {
 }
 
 class MeteringEndedState extends MeasuredState {
-  const MeteringEndedState(super.ev100);
+  const MeteringEndedState(
+    super.ev100, {
+    this.photoPath,
+  });
+
+  final String? photoPath;
 
   @override
   bool operator ==(Object other) {
     if (identical(this, other)) return true;
     if (other.runtimeType != runtimeType) return false;
-    return other is MeteringEndedState && other.ev100 == ev100;
+    return other is MeteringEndedState && other.ev100 == ev100 && other.photoPath == photoPath;
   }
 
   @override
-  int get hashCode => Object.hash(ev100, runtimeType);
+  int get hashCode => Object.hash(runtimeType, ev100, photoPath);
 }
 
 class SettingsOpenedState extends SourceState {

lib/screens/metering/components/camera_container/bloc_container_camera.dart

@@ -1,6 +1,5 @@
 import 'dart:async';
 import 'dart:developer';
-import 'dart:io';
 import 'dart:math' as math;
 
 import 'package:camera/camera.dart';
@@ -77,10 +76,10 @@ class CameraContainerBloc extends EvSourceBlocBase<CameraContainerEvent, CameraC
     switch (communicationState) {
       case communication_states.MeasureState():
         if (_canTakePhoto) {
-          _takePhoto().then((ev100Raw) {
-            if (ev100Raw != null) {
-              _ev100 = ev100Raw + _meteringInteractor.cameraEvCalibration;
-              communicationBloc.add(communication_event.MeteringEndedEvent(_ev100));
+          _takePhoto().then((photo) {
+            if (photo != null) {
+              _ev100 = photo.ev + _meteringInteractor.cameraEvCalibration;
+              communicationBloc.add(communication_event.MeteringEndedEvent(_ev100, photoPath: photo.path));
             } else {
               _ev100 = null;
               communicationBloc.add(const communication_event.MeteringEndedEvent(null));
@@ -244,13 +243,12 @@ class CameraContainerBloc extends EvSourceBlocBase<CameraContainerEvent, CameraC
           !_cameraController!.value.isInitialized ||
           _cameraController!.value.isTakingPicture);
 
-  Future<double?> _takePhoto() async {
+  Future<({double ev, String path})?> _takePhoto() async {
     try {
       final file = await _cameraController!.takePicture();
       final bytes = await file.readAsBytes();
-      Directory(file.path).deleteSync(recursive: true);
       final tags = await readExifFromBytes(bytes);
-      return evFromTags(tags);
+      return (ev: evFromTags(tags), path: file.path);
     } catch (e, stackTrace) {
       _analytics.logCrash(e, stackTrace);
       return null;

lib/screens/metering/components/camera_container/mock_bloc_container_camera.part.dart

@@ -69,11 +69,11 @@ class MockCameraContainerBloc extends CameraContainerBloc {
   bool get _canTakePhoto => PlatformConfig.cameraStubImage.isNotEmpty;
 
   @override
-  Future<double?> _takePhoto() async {
+  Future<({double ev, String path})?> _takePhoto() async {
     try {
       final bytes = (await rootBundle.load(PlatformConfig.cameraStubImage)).buffer.asUint8List();
       final tags = await readExifFromBytes(bytes);
-      return evFromTags(tags);
+      return (ev: evFromTags(tags), path: PlatformConfig.cameraStubImage);
     } catch (e, stackTrace) {
       log(e.toString(), stackTrace: stackTrace);
       return null;

lib/screens/metering/event_metering.dart

@@ -29,8 +29,13 @@ class MeasureEvent extends MeteringEvent {
 class MeasuredEvent extends MeteringEvent {
   final double ev100;
   final bool isMetering;
+  final String? photoPath;
 
-  const MeasuredEvent(this.ev100, {required this.isMetering});
+  const MeasuredEvent(
+    this.ev100, {
+    required this.isMetering,
+    this.photoPath,
+  });
 }
 
 class MeasureErrorEvent extends MeteringEvent {

lib/screens/metering/flow_metering.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:lightmeter/interactors/metering_interactor.dart';
+import 'package:lightmeter/providers/logbook_photos_provider.dart';
 import 'package:lightmeter/providers/services_provider.dart';
 import 'package:lightmeter/screens/metering/bloc_metering.dart';
 import 'package:lightmeter/screens/metering/communication/bloc_communication_metering.dart';
@@ -34,6 +35,7 @@ class _MeteringFlowState extends State<MeteringFlow> {
               MeteringInteractorProvider.of(context),
               VolumeKeysNotifier(ServicesProvider.of(context).volumeEventsService),
               context.read<MeteringCommunicationBloc>(),
+              LogbookPhotosProvider.of(context),
             ),
           ),
         ],