refactor(#661): renamings

app/lib/app.dart

@@ -13,6 +13,13 @@ class PharMeApp extends StatelessWidget {
 
   final _appRouter = AppRouter();
 
+  Future<void> _setDeepLinkSharePublishUrl(PlatformDeepLink deepLink) async {
+    final queryParameters = deepLink.uri.queryParameters;
+    MetaData.instance.deepLinkSharePublishUrl =
+      queryParameters['provider_url'];
+    await MetaData.save();
+  }
+
   @override
   Widget build(BuildContext context) {
     return ErrorHandler(
@@ -23,16 +30,11 @@ class PharMeApp extends StatelessWidget {
           debugShowCheckedModeBanner: false,
           routerConfig: _appRouter.config(
             deepLinkBuilder: (deepLink) async {
-              final queryParameters = deepLink.uri.queryParameters;
-              final isDeepLinkShareRequest = deepLink.path == '' &&
-                queryParameters.containsKey('provider_url');
-              if (isDeepLinkShareRequest) {
-                MetaData.instance.deepLinkSharePublishUrl =
-                  queryParameters['provider_url'];
-                await MetaData.save();
-                if (_appRouter.currentPath != '/') {
-                  return DeepLink.path(_appRouter.currentPath);
-                }
+              if (deepLink.path.startsWith('/open_file')) {
+                await _setDeepLinkSharePublishUrl(deepLink);
+              }
+              if (_appRouter.currentPath != '/') {
+                return DeepLink.path(_appRouter.currentPath);
               }
               // default route
               return getInitialRoute();

app/lib/common/models/metadata.dart

@@ -49,6 +49,9 @@ class MetaData {
 
   @HiveField(6)
   String? deepLinkSharePublishUrl;
+
+  @HiveField(7)
+  bool? awaitingDeepLinkSharePublishUrl;
 }
 
 /// Initializes the user's metadata by registering all necessary adapters and

app/lib/login/cubit.dart

@@ -16,24 +16,25 @@ class LoginCubit extends Cubit<LoginState> {
   // genomic data from it's endpoint.
   Future<void> signInAndLoadUserData(BuildContext context, Lab lab) async {
     emit(LoginState.loadingUserData(
-      lab.authLoadingMessage(),
-      cancelable: lab.cancelAuthInApp,
+      lab.preparationLoadingMessage(),
+      cancelable: lab.cancelPreparationInApp,
     ));
     try {
-      await lab.authenticate();
+      await lab.prepareDataLoad();
     } on LabProcessCanceled {
       revertToInitialState();
       return;
-    } on LabAuthenticationError {
+    } on Exception {
       emit(LoginState.error(
         // ignore: use_build_context_synchronously
         context.l10n.err_could_not_retrieve_access_token,
       ));
       return;
     }
 
-    if (lab.authenticationWasCanceled) {
-      lab.authenticationWasCanceled = false;
+    if (lab.preparationWasCanceled) {
+      lab.preparationWasCanceled = false;
+      MetaData.instance.awaitingDeepLinkSharePublishUrl = false;
       return;
     }
 

app/lib/login/models/deep_link_share_flow_lab.dart

@@ -13,10 +13,10 @@ class DeepLinkShareFlowLab extends Lab {
 
   @override
   // ignore: overridden_fields
-  bool cancelAuthInApp = true;
+  bool cancelPreparationInApp= true;
 
   @override
-  String? authLoadingMessage() =>
+  String? preparationLoadingMessage() =>
     'Please open the $shareAppName and share your data with PharMe';
 
   Future<void> _waitForDeepLinkSharePublishUrl() async {
@@ -28,13 +28,20 @@ class DeepLinkShareFlowLab extends Lab {
     }
   }
 
+  Future<void> _setAwaitingDeepLinkSharePublishUrl(bool newValue) async {
+    MetaData.instance.awaitingDeepLinkSharePublishUrl = newValue;
+    await MetaData.save();
+  }
+
   @override
-  Future<void> authenticate() async {
+  Future<void> prepareDataLoad() async {
+    await _setAwaitingDeepLinkSharePublishUrl(true);
     await _waitForDeepLinkSharePublishUrl();
   }
 
   @override
   Future<(List<LabResult>, List<String>)> loadData() async {
+    await _setAwaitingDeepLinkSharePublishUrl(false);
     publishUrl = Uri.parse(
       MetaData.instance.deepLinkSharePublishUrl!,
     );

app/lib/login/models/lab.dart

@@ -2,6 +2,7 @@ import 'dart:convert';
 
 import 'package:http/http.dart' as http;
 
+import '../../app.dart';
 import '../../common/module.dart';
 
 class LabProcessCanceled implements Exception {
@@ -18,12 +19,14 @@ class Lab {
   });
 
   String name;
-  bool cancelAuthInApp = false;
-  bool authenticationWasCanceled = false;
+  bool cancelPreparationInApp = false;
+  bool preparationWasCanceled = false;
 
-  String? authLoadingMessage() => null;
+  String? preparationLoadingMessage() => null;
+
+  String? preparationErrorMessage(BuildContext context) => null;
 
-  Future<void> authenticate() async {}
+  Future<void> prepareDataLoad() async {}
   Future<(List<LabResult>, List<String>)> loadData() async {
     throw UnimplementedError();
   }
@@ -33,6 +36,38 @@ class Lab {
     {
       Map<String,String>? headers,
     }) async {
+    final awaitingOpenFile =
+      MetaData.instance.awaitingDeepLinkSharePublishUrl ?? false;
+    final loggedIn = MetaData.instance.isLoggedIn ?? false;
+    final needsConfirmation = !awaitingOpenFile || loggedIn;
+    final context = PharMeApp.navigatorKey.currentContext;
+    if (context == null && needsConfirmation) throw Exception();
+    if (needsConfirmation) {
+      final dialogTitle =  loggedIn
+        ? 'Confirm data overwrite'
+        : 'Received data';
+      final dialogText = 'PharMe received data from another app. ${
+        loggedIn
+          ? 'Overwrite existing data?'
+          : 'Continue if you want to import the data.'
+      }';
+      await showAdaptiveDialog(
+        context: PharMeApp.navigatorKey.currentContext!,
+        builder: (context) => DialogWrapper(
+          title: dialogTitle,
+          content: DialogContentText(dialogText),
+          actions: [
+            DialogAction(
+              onPressed: () => Navigator.pop(context),
+              text: context.l10n.action_cancel,
+            ),
+            DialogAction(
+              onPressed: () => throw LabProcessCanceled(),
+              text: context.l10n.action_understood,
+            ),
+          ],
+        ),);
+    }
     final response = await http.get(dataUrl, headers: headers);
     if (response.statusCode != 200) throw Exception();
     final json = jsonDecode(response.body) as Map<String, dynamic>;

app/lib/login/models/oauth_authorization_code_flow_lab.dart

@@ -22,7 +22,11 @@ class OAuthAuthorizationCodeFlowLab extends Lab {
   late String? token;
 
   @override
-  Future<void> authenticate() async {
+  String? preparationErrorMessage(BuildContext context) =>
+    context.l10n.err_fetch_user_data_failed;
+
+  @override
+  Future<void> prepareDataLoad() async {
     const clientId = 'pharme-app';
     const callbackUrlScheme = 'localhost';
     final url = authUrl.replace(queryParameters: {

app/lib/login/pages/login.dart

@@ -65,7 +65,7 @@ class LoginPage extends HookWidget {
                           context.l10n.action_cancel,
                           () {
                             final selectedLab = _getSelectedLab(dropdownValue);
-                            selectedLab.authenticationWasCanceled = true;
+                            selectedLab.preparationWasCanceled = true;
                             context
                               .read<LoginCubit>()
                               .revertToInitialState();