Commit c59b045

@@ -10,10 +10,10 @@ class BloodPressureModel extends ChangeNotifier {
   late final Database _database;
 
   BloodPressureModel._create();
-  Future<void> _asyncInit(String? dbPath) async {
+  Future<void> _asyncInit(String? dbPath, bool isFullPath) async {
     dbPath ??= await getDatabasesPath();
 
-    if (dbPath != inMemoryDatabasePath) {
+    if (dbPath != inMemoryDatabasePath && !isFullPath) {
       dbPath = join(dbPath, 'blood_pressure.db');
     }
 
@@ -29,7 +29,7 @@ class BloodPressureModel extends ChangeNotifier {
   }
 
   // factory method, to allow for async constructor
-  static Future<BloodPressureModel> create({String? dbPath}) async {
+  static Future<BloodPressureModel> create({String? dbPath, bool isFullPath = false}) async {
     if (Platform.isWindows || Platform.isLinux) {
       // Initialize FFI
       sqfliteFfiInit();
@@ -38,7 +38,7 @@ class BloodPressureModel extends ChangeNotifier {
     }
 
     final component = BloodPressureModel._create();
-    await component._asyncInit(dbPath);
+    await component._asyncInit(dbPath, isFullPath);
     return component;
   }
 

@@ -28,7 +28,7 @@ class DataExporter {
     }
   }
 
-  List<BloodPressureRecord>? parseFile(Uint8List data) {
+  Future<List<BloodPressureRecord>?> parseFile(String filePath, Uint8List data) async {
     switch(settings.exportFormat) {
       case ExportFormat.csv:
         try {
@@ -39,7 +39,7 @@ class DataExporter {
       case ExportFormat.pdf:
         return null;
       case ExportFormat.db:
-        throw UnimplementedError('TODO');
+        return loadDBFile(filePath);
     }
   }
 
@@ -194,7 +194,11 @@ class DataExporter {
       dbPath = join(dbPath, 'blood_pressure.db');
     }
     return File(dbPath).readAsBytes();
+  }
 
+  Future<List<BloodPressureRecord>> loadDBFile(String filePath) async {
+    final loadedModel = await BloodPressureModel.create(dbPath: filePath, isFullPath: true);
+    return await loadedModel.all;
   }
 }
 

@@ -360,8 +360,11 @@ class ExportImportButtons extends StatelessWidget {
                           content: Text(AppLocalizations.of(context)!.errCantReadFile)));
                       return;
                     }
+                    var path = result.files.single.path;
+                    assert(path != null); // null state directly linked to binary content
 
-                    var fileContents = DataExporter(settings).parseFile(binaryContent);
+                    var fileContents = await DataExporter(settings).parseFile(path! ,binaryContent);
+                    if (!context.mounted) return;
                     if (fileContents == null) {
                       ScaffoldMessenger.of(context).showSnackBar(SnackBar(
                           content: Text(AppLocalizations.of(context)!.errNotImportable)));