implemented file search with local cache and server-side support, added result highlighting, and integrated search delegate into files page

2026-05-09 23:20:11 +02:00
parent 8e6b1877cc
commit 14090b96f4
10 changed files with 767 additions and 7 deletions
@@ -0,0 +1,65 @@
+import 'dart:convert';
+
+import 'package:localstore/localstore.dart';
+
+import '../../../../api/marianumcloud/webdav/queries/list_files/cacheable_file.dart';
+import '../../../../api/marianumcloud/webdav/queries/list_files/list_files_response.dart';
+import '../../../../api/request_cache.dart';
+
+/// Document key prefix used by `ListFilesCache._documentId`.
+const String _folderCachePrefix = 'wd-folder-';
+
+/// Scans every cached folder listing in Localstore and returns files/folders
+/// whose name contains [query] (case-insensitive).
+///
+/// [pathScope] restricts results to entries whose WebDAV path starts with
+/// the given folder. Pass an empty list (or null) to search globally.
+///
+/// [docs] is an injection seam for tests — production callers leave it null
+/// so the helper reads from the real Localstore.
+Future<List<CacheableFile>> searchLocalCaches(
+  String query, {
+  List<String>? pathScope,
+  Map<String, dynamic>? docs,
+}) async {
+  final trimmed = query.trim();
+  if (trimmed.isEmpty) return const [];
+  final needle = trimmed.toLowerCase();
+  final scopePrefix = pathScope == null || pathScope.isEmpty
+      ? ''
+      : '${pathScope.join('/')}/';
+
+  final raw =
+      docs ??
+      await Localstore.instance.collection(RequestCache.collection).get();
+  if (raw == null || raw.isEmpty) return const [];
+
+  final results = <String, CacheableFile>{};
+  for (final entry in raw.entries) {
+    final docKey = entry.key.split('/').last;
+    if (!docKey.startsWith(_folderCachePrefix)) continue;
+
+    final value = entry.value;
+    if (value is! Map) continue;
+    final json = value['json'];
+    if (json is! String) continue;
+
+    final ListFilesResponse listing;
+    try {
+      listing = ListFilesResponse.fromJson(
+        jsonDecode(json) as Map<String, dynamic>,
+      );
+    } on Object {
+      continue;
+    }
+
+    for (final file in listing.files) {
+      if (!file.name.toLowerCase().contains(needle)) continue;
+      if (scopePrefix.isNotEmpty && !file.path.startsWith(scopePrefix)) {
+        continue;
+      }
+      results[file.path] ??= file;
+    }
+  }
+  return results.values.toList();
+}