Add some interaction to go back

ios/Podfile.lock

@@ -3,6 +3,8 @@ PODS:
   - FMDB (2.7.5):
     - FMDB/standard (= 2.7.5)
   - FMDB/standard (2.7.5)
+  - local_image_provider (0.0.1):
+    - Flutter
   - path_provider (0.0.1):
     - Flutter
   - path_provider_macos (0.0.1):
@@ -21,6 +23,7 @@ PODS:
 
 DEPENDENCIES:
   - Flutter (from `Flutter`)
+  - local_image_provider (from `.symlinks/plugins/local_image_provider/ios`)
   - path_provider (from `.symlinks/plugins/path_provider/ios`)
   - path_provider_macos (from `.symlinks/plugins/path_provider_macos/ios`)
   - photo_manager (from `.symlinks/plugins/photo_manager/ios`)
@@ -36,6 +39,8 @@ SPEC REPOS:
 EXTERNAL SOURCES:
   Flutter:
     :path: Flutter
+  local_image_provider:
+    :path: ".symlinks/plugins/local_image_provider/ios"
   path_provider:
     :path: ".symlinks/plugins/path_provider/ios"
   path_provider_macos:
@@ -54,6 +59,7 @@ EXTERNAL SOURCES:
 SPEC CHECKSUMS:
   Flutter: 0e3d915762c693b495b44d77113d4970485de6ec
   FMDB: 2ce00b547f966261cd18927a3ddb07cb6f3db82a
+  local_image_provider: cf979b81bc1cacc81867d3511a1b6b7216411e93
   path_provider: fb74bd0465e96b594bb3b5088ee4a4e7bb1f2a9d
   path_provider_macos: f760a3c5b04357c380e2fddb6f9db6f3015897e0
   photo_manager: f7c619c2cc8c2adb8d85c63363babac477de9c67

lib/main.dart

@@ -7,6 +7,7 @@ import 'package:myapp/photo_loader.dart';
 import 'package:myapp/photo_provider.dart';
 import 'package:myapp/photo_sync_manager.dart';
 import 'package:myapp/ui/detail_page.dart';
+import 'package:myapp/ui/loading_widget.dart';
 import 'package:provider/provider.dart';
 import 'package:myapp/ui/gallery_page.dart';
 
@@ -38,7 +39,7 @@ class MyApp extends StatelessWidget {
 }
 
 class MyApp2 extends StatelessWidget {
-  final PhotoLoader photoLoader = PhotoLoader();
+  final PhotoLoader photoLoader = PhotoLoader.instance;
 
   @override
   Widget build(BuildContext context) {
@@ -48,16 +49,18 @@ class MyApp2 extends StatelessWidget {
         builder: (context, snapshot) {
           Widget body;
           if (snapshot.hasData) {
-            body = GridView.builder(
-              itemBuilder: _buildItem,
-              itemCount: snapshot.data.length,
-              gridDelegate:
-                  SliverGridDelegateWithFixedCrossAxisCount(crossAxisCount: 4),
-            );
+            body = ChangeNotifierProvider<PhotoLoader>.value(
+                value: photoLoader,
+                child: GridView.builder(
+                  itemBuilder: _buildItem,
+                  itemCount: snapshot.data.length,
+                  gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
+                      crossAxisCount: 4),
+                ));
           } else if (snapshot.hasError) {
             body = Text("Error!");
           } else {
-            body = Text("Loading");
+            body = loadWidget;
           }
           return MaterialApp(
             title: title,
@@ -72,6 +75,7 @@ class MyApp2 extends StatelessWidget {
   }
 
   Widget _buildItem(BuildContext context, int index) {
+    logger.i("Building item");
     var file = File(photoLoader.getPhotos()[index].localPath);
     return GestureDetector(
       onTap: () async {

lib/photo_loader.dart

@@ -1,11 +1,15 @@
+import 'package:flutter/material.dart';
 import 'package:logger/logger.dart';
 import 'package:myapp/db/db_helper.dart';
 import 'package:myapp/models/photo.dart';
 
-class PhotoLoader {
+class PhotoLoader extends ChangeNotifier {
   final logger = Logger();
   List<Photo> _photos;
   
+  PhotoLoader._privateConstructor();
+  static final PhotoLoader instance = PhotoLoader._privateConstructor();
+
   List<Photo> getPhotos() {
     return _photos;
   }
@@ -16,4 +20,10 @@ class PhotoLoader {
     logger.i("Imported photo size: " + _photos.length.toString());
     return _photos;
   }
+
+  void reloadPhotos() async {
+    await loadPhotos();
+    logger.i("Reloading...");
+    notifyListeners();
+  }
 }

lib/photo_sync_manager.dart

@@ -1,5 +1,6 @@
 import 'package:logger/logger.dart';
 import 'package:myapp/db/db_helper.dart';
+import 'package:myapp/photo_loader.dart';
 import 'package:path/path.dart';
 import 'package:path_provider/path_provider.dart';
 import 'package:photo_manager/photo_manager.dart';
@@ -10,7 +11,7 @@ import 'package:myapp/models/photo.dart';
 class PhotoSyncManager {
   final logger = Logger();
   final dio = Dio();
-  final endpoint = "http://192.168.0.106:8080";
+  final endpoint = "http://172.20.10.6:8080";
   final user = "umbu";
   static final lastSyncTimestampKey = "last_sync_timestamp_0";
 
@@ -39,15 +40,19 @@ class PhotoSyncManager {
     assets.sort((first, second) => second
         .modifiedDateTime.millisecondsSinceEpoch
         .compareTo(first.modifiedDateTime.millisecondsSinceEpoch));
+    var uploadedAssetCount = 0;
     for (AssetEntity asset in assets) {
-      DatabaseHelper.instance
-          .containsPath((await asset.originFile).path)
-          .then((containsPath) async {
-        if (!containsPath) {
-          var response = await _uploadFile(asset);
-          prefs.setInt(lastSyncTimestampKey, response.syncTimestamp);
-        }
-      });
+      // TODO: Fix me
+      if (uploadedAssetCount == 100) {
+        return;
+      }
+      var containsPath = await DatabaseHelper.instance
+          .containsPath((await asset.originFile).path);
+      if (!containsPath) {
+        var response = await _uploadFile(asset);
+        prefs.setInt(lastSyncTimestampKey, response.syncTimestamp);
+        uploadedAssetCount++;
+      }
     }
   }
 
@@ -56,7 +61,8 @@ class PhotoSyncManager {
       "user": user,
       "lastSyncTimestamp": lastSyncTimestamp
     });
-    var externalPath = (await getExternalStorageDirectory()).path;
+    logger.i(response.toString());
+    var externalPath = (await getApplicationDocumentsDirectory()).path;
     logger.i("External path: " + externalPath);
     var path = externalPath + "/photos/";
 
@@ -67,7 +73,7 @@ class PhotoSyncManager {
       await dio.download(endpoint + photo.url, path + basename(photo.url));
       photo.hash = _getHash(photo);
       photo.localPath = path + basename(photo.url);
-      DatabaseHelper.instance.insertPhoto(photo);
+      insertPhotoToDB(photo);
       prefs.setInt(lastSyncTimestampKey, photo.syncTimestamp);
       logger.i("Downloaded " + photo.url + " to " + path);
     }
@@ -85,7 +91,7 @@ class PhotoSyncManager {
     var photo = Photo.fromJson(response.data);
     photo.hash = _getHash(photo);
     photo.localPath = path;
-    DatabaseHelper.instance.insertPhoto(photo);
+    insertPhotoToDB(photo);
     return photo;
   }
 
@@ -93,4 +99,10 @@ class PhotoSyncManager {
     // TODO: Compute hash
     return "hash";
   }
+
+  Future<void> insertPhotoToDB(Photo photo) async {
+    logger.i("Inserting to DB");
+    await DatabaseHelper.instance.insertPhoto(photo);
+    PhotoLoader.instance.reloadPhotos();
+  }
 }

lib/ui/detail_page.dart

@@ -17,18 +17,23 @@ class _DetailPageState extends State<DetailPage> {
     return Scaffold(
       body: Center(
         child: Container(
-          child: _buildContent(),
+          child: _buildContent(context),
         ),
       ),
     );
   }
 
-  Widget _buildContent() {
-    return Hero(
-      tag: 'photo_' + widget.file.path,
-      child: Image.file(
-        widget.file,
-        filterQuality: FilterQuality.low,
+  Widget _buildContent(BuildContext context) {
+    return GestureDetector(
+      onVerticalDragUpdate: (details) {
+        Navigator.pop(context);
+      },
+      child: Hero(
+        tag: 'photo_' + widget.file.path,
+        child: Image.file(
+          widget.file,
+          filterQuality: FilterQuality.low,
+        ),
       ),
     );
   }