fix: replace download multiple pops and add translations

lib/components/shared/dialogs/replace_downloaded_dialog.dart

@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 
 import 'package:spotify/spotify.dart';
+import 'package:spotube/extensions/context.dart';
 
 final replaceDownloadedFileState = StateProvider<bool?>((ref) => null);
 
@@ -14,13 +15,14 @@ class ReplaceDownloadedDialog extends ConsumerWidget {
   Widget build(BuildContext context, ref) {
     final groupValue = ref.watch(replaceDownloadedFileState);
     final theme = Theme.of(context);
+    final replaceAll = ref.watch(replaceDownloadedFileState);
 
     return AlertDialog(
-      title: Text("Track ${track.name} Already Exists"),
+      title: Text(context.l10n.track_exists(track.name ?? "")),
       content: Column(
         mainAxisSize: MainAxisSize.min,
         children: [
-          const Text("Do you want to replace the already downloaded track?"),
+          Text(context.l10n.do_you_want_to_replace),
           RadioListTile<bool>(
             dense: true,
             contentPadding: EdgeInsets.zero,
@@ -29,10 +31,10 @@ class ReplaceDownloadedDialog extends ConsumerWidget {
             groupValue: groupValue,
             onChanged: (value) {
               if (value != null) {
-                ref.read(replaceDownloadedFileState.notifier).state = value;
+                ref.read(replaceDownloadedFileState.notifier).state = true;
               }
             },
-            title: const Text("Replace all downloaded tracks"),
+            title: Text(context.l10n.replace_downloaded_tracks),
           ),
           RadioListTile<bool>(
             dense: true,
@@ -42,25 +44,29 @@ class ReplaceDownloadedDialog extends ConsumerWidget {
             groupValue: groupValue,
             onChanged: (value) {
               if (value != null) {
-                ref.read(replaceDownloadedFileState.notifier).state = value;
+                ref.read(replaceDownloadedFileState.notifier).state = false;
               }
             },
-            title: const Text("Skip downloading all downloaded tracks"),
+            title: Text(context.l10n.skip_download_tracks),
           ),
         ],
       ),
       actions: [
         OutlinedButton(
-          child: const Text("No"),
-          onPressed: () {
-            Navigator.pop(context, false);
-          },
+          onPressed: replaceAll == true
+              ? null
+              : () {
+                  Navigator.pop(context, false);
+                },
+          child: Text(context.l10n.skip),
         ),
         FilledButton(
-          child: const Text("Yes"),
-          onPressed: () {
-            Navigator.pop(context, true);
-          },
+          onPressed: replaceAll == false
+              ? null
+              : () {
+                  Navigator.pop(context, true);
+                },
+          child: Text(context.l10n.replace),
         ),
       ],
     );

lib/l10n/app_en.arb

@@ -185,5 +185,11 @@
   "something_went_wrong": "Something went wrong",
   "piped_instance": "Piped Server Instance",
   "piped_description": "The Piped server instance to use for track matching\nSome of them might not work well. So use at your own risk",
-  "generate_playlist": "Generate Playlist"
+  "generate_playlist": "Generate Playlist",
+  "track_exists": "Track {track} already exists",
+  "replace_downloaded_tracks": "Replace all downloaded tracks",
+  "skip_download_tracks": "Skip downloading all downloaded tracks",
+  "do_you_want_to_replace": "Do you want to replace the existing track??",
+  "replace": "Replace",
+  "skip": "Skip"
 }

lib/pages/root/root_app.dart

@@ -1,3 +1,5 @@
+import 'dart:async';
+
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_hooks/flutter_hooks.dart';
@@ -9,7 +11,6 @@ import 'package:spotube/components/root/sidebar.dart';
 import 'package:spotube/components/root/spotube_navigation_bar.dart';
 import 'package:spotube/hooks/use_update_checker.dart';
 import 'package:spotube/provider/download_manager_provider.dart';
-import 'package:spotube/provider/authentication_provider.dart';
 
 const rootPaths = {
   0: "/",
@@ -29,19 +30,38 @@ class RootApp extends HookConsumerWidget {
   Widget build(BuildContext context, ref) {
     final index = useState(0);
     final isMounted = useIsMounted();
-    final auth = ref.watch(AuthenticationNotifier.provider);
-
+    final showingDialogCompleter = useRef(Completer()..complete());
     final downloader = ref.watch(downloadManagerProvider.notifier);
+
     useEffect(() {
       downloader.onFileExists = (track) async {
         if (!isMounted()) return false;
-        return await showDialog<bool>(
-              context: context,
-              builder: (context) => ReplaceDownloadedDialog(
-                track: track,
-              ),
-            ) ??
-            false;
+
+        if (!showingDialogCompleter.value.isCompleted) {
+          await showingDialogCompleter.value.future;
+        }
+
+        final replaceAll = ref.read(replaceDownloadedFileState);
+
+        if (replaceAll != null) return replaceAll;
+
+        showingDialogCompleter.value = Completer();
+
+        if (context.mounted) {
+          final result = await showDialog<bool>(
+                context: context,
+                builder: (context) => ReplaceDownloadedDialog(
+                  track: track,
+                ),
+              ) ??
+              false;
+
+          showingDialogCompleter.value.complete();
+          return result;
+        }
+
+        // it'll never reach here as root_app is always mounted
+        return false;
       };
       return null;
     }, [downloader]);

lib/provider/download_manager_provider.dart

@@ -49,6 +49,12 @@ class DownloadManagerProvider extends StateNotifier<List<SpotubeTrack>> {
         if (update.status == TaskStatus.complete) {
           final track =
               state.firstWhere((element) => element.id == update.task.taskId);
+
+          // resetting the replace downloaded file state on queue completion
+          if (state.last == track) {
+            ref.read(replaceDownloadedFileState.notifier).state = null;
+          }
+
           state = state
               .where((element) => element.id != update.task.taskId)
               .toList();
@@ -141,6 +147,9 @@ class DownloadManagerProvider extends StateNotifier<List<SpotubeTrack>> {
     final file = File(_getPathForTrack(track));
     if (file.existsSync() &&
         (replaceFileGlobal ?? await onFileExists?.call(track)) != true) {
+      if (state.isEmpty) {
+        ref.read(replaceDownloadedFileState.notifier).state = null;
+      }
       return null;
     }
 
@@ -159,6 +168,11 @@ class DownloadManagerProvider extends StateNotifier<List<SpotubeTrack>> {
       }
       return enqueue(e);
     }));
+
+    if (tasks.isEmpty) {
+      ref.read(replaceDownloadedFileState.notifier).state = null;
+    }
+
     return tasks.whereType<Task>().toList();
   }