intermediate

app/lib/features/user/data/database/daos/cache.dart

@@ -0,0 +1,42 @@
+import 'package:drift/drift.dart';
+import 'package:lensai/extensions/database_table_size.dart';
+import 'package:lensai/features/user/data/database/database.dart';
+
+part 'cache.g.dart';
+
+@DriftAccessor()
+class CacheDao extends DatabaseAccessor<UserDatabase> with _$CacheDaoMixin {
+  CacheDao(super.attachedDatabase);
+
+  SingleSelectable<double> iconCacheSize() {
+    return db.tableSize(db.iconCache);
+  }
+
+  Future<int> clearIconCache() {
+    return db.iconCache.deleteAll();
+  }
+
+  SingleOrNullSelectable<Uint8List?> getCachedIcon(String origin) {
+    final query = selectOnly(db.iconCache)
+      ..addColumns([db.iconCache.iconData])
+      ..where(db.iconCache.origin.equals(origin));
+
+    return query.map((row) => row.read(db.iconCache.iconData));
+  }
+
+  Future<int> cacheIcon(String origin, Uint8List bytes) {
+    return db.iconCache.insertOne(
+      IconCacheCompanion.insert(
+        origin: origin,
+        iconData: bytes,
+        fetchDate: DateTime.now(),
+      ),
+      onConflict: DoUpdate(
+        (old) => IconCacheCompanion.custom(
+          iconData: Variable(bytes),
+          fetchDate: Variable(DateTime.now()),
+        ),
+      ),
+    );
+  }
+}