Tour deletion for new format

tourforge · Mar 23, 2024 · c9a204a · c9a204a
1 parent 7f5e15f
commit c9a204a
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Showing 2 changed files with 12 additions and 5 deletions.
diff --git a/lib/src/asset_garbage_collector.dart b/lib/src/asset_garbage_collector.dart
@@ -12,7 +12,12 @@ class AssetGarbageCollector {
   static late final String base;
   static bool isRunning = false;
 
-  static Future<void> run() async {
+  /// Runs the garbage collector.
+  ///
+  /// `ignoredTours` contains the list of tours that will be ignored when computing
+  /// the set of used assets. Hence, to delete assets which are only required by a
+  /// given tour or set of tours, include the IDs of those tours in ignoredTours.
+  static Future<void> run({Set<String>? ignoredTours}) async {
     if (isRunning) return;
     isRunning = true;
 
@@ -29,6 +34,10 @@ class AssetGarbageCollector {
       usedAssets.add("tourforge.json");
 
       for (var tourEntry in index.tours) {
+        if (ignoredTours != null && ignoredTours.contains(tourEntry.id)) {
+          continue;
+        }
+
         usedAssets.addAll(tourEntry.allAssets.map((e) => e.id));
       }
 
@@ -50,7 +59,7 @@ class AssetGarbageCollector {
       }
     } catch (e, stack) {
       if (kDebugMode) {
-        print("Unexpected rror while garbage collecting: $e");
+        print("Unexpected error while garbage collecting: $e");
         print("Garbage collection error stack trace: $stack");
       }
     } finally {

diff --git a/lib/src/screens/home.dart b/lib/src/screens/home.dart
@@ -1,7 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:tourforge_baseline/src/asset_garbage_collector.dart';
 import 'package:tourforge_baseline/src/config.dart';
-import 'package:tourforge_baseline/src/download_manager.dart';
 
 import '/src/data.dart';
 import '/src/screens/tour_details.dart';
@@ -163,8 +162,7 @@ class _TourListItemState extends State<_TourListItem> {
                           ),
                           TextButton(
                             onPressed: () async {
-                              //await DownloadManager.instance.delete(widget.tour.content);
-                              await AssetGarbageCollector.run();
+                              await AssetGarbageCollector.run(ignoredTours: {widget.tour.id});
 
                               if (!context.mounted) return;
                               Navigator.pop(context);