Fix exception when syncing dir with path only

app/lib/entity/file/file_cache_manager.dart

@@ -92,7 +92,7 @@ class FileSqliteCacheUpdater {
     try {
       await _c.npDb.syncDirFiles(
         account: account.toDb(),
-        dirFileId: dir.fileId!,
+        dirFile: dir.toDbKey(),
         files: remote.map((e) => e.toDb()).toList(),
       );
     } finally {

np_db/lib/src/api.dart

@@ -214,7 +214,7 @@ abstract class NpDb {
   /// Add or replace files in db
   Future<void> syncDirFiles({
     required DbAccount account,
-    required int dirFileId,
+    required DbFileKey dirFile,
     required List<DbFile> files,
   });
 

np_db_sqlite/lib/src/database/file_extension.dart

@@ -261,7 +261,7 @@ extension SqliteDbFileExtension on SqliteDb {
 
   Future<void> syncDirFiles({
     required ByAccount account,
-    required int dirFileId,
+    required DbFileKey dirFile,
     required List<CompleteFileCompanion> objs,
   }) async {
     _log.info("[syncDirFiles] files: [length: ${objs.length}]");
@@ -286,6 +286,11 @@ extension SqliteDbFileExtension on SqliteDb {
       idMap.addAll(insertMap);
     }
 
+    final dirFileId = dirFile.fileId ??
+        await _queryFileIdByRelativePath(
+          account: ByAccount.sql(sqlAccount),
+          relativePath: dirFile.relativePath!,
+        ).notNull();
     final dirRowId = idMap[dirFileId];
     if (dirRowId == null) {
       _log.severe("[syncDirFiles] Dir not inserted");
@@ -549,6 +554,26 @@ extension SqliteDbFileExtension on SqliteDb {
     await (delete(dirFiles)..where((t) => t.dir.equals(rowId.fileRowId))).go();
   }
 
+  Future<int?> _queryFileIdByRelativePath({
+    required ByAccount account,
+    required String relativePath,
+  }) async {
+    _log.info("[_queryFileIdByRelativePath] relativePath: $relativePath");
+    final query = _queryFiles().let((q) {
+      q
+        ..setQueryMode(
+          FilesQueryMode.expression,
+          expressions: [
+            files.fileId,
+          ],
+        )
+        ..setAccount(account)
+        ..byRelativePath(relativePath);
+      return q.build()..limit(1);
+    });
+    return query.map((r) => r.read(files.fileId)!).getSingleOrNull();
+  }
+
   /// Update Db files
   ///
   /// Return a list of files that are not yet inserted to the DB (thus not

np_db_sqlite/lib/src/sqlite_api.dart

@@ -309,14 +309,14 @@ class NpDbSqlite implements NpDb {
   @override
   Future<void> syncDirFiles({
     required DbAccount account,
-    required int dirFileId,
+    required DbFileKey dirFile,
     required List<DbFile> files,
   }) async {
     final sqlFiles = await files.toSql();
     await _db.use((db) async {
       await db.syncDirFiles(
         account: ByAccount.db(account),
-        dirFileId: dirFileId,
+        dirFile: dirFile,
         objs: sqlFiles,
       );
     });