58 lines
1.7 KiB
Dart
58 lines
1.7 KiB
Dart
import 'dart:async';
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import 'dart:io';
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import 'package:logging/logging.dart';
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import 'package:photos/db/ignored_files_db.dart';
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import 'package:photos/models/ignored_file.dart';
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class IgnoredFilesService {
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final _logger = Logger("IgnoredFilesService");
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final _db = IgnoredFilesDB.instance;
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IgnoredFilesService._privateConstructor();
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static final IgnoredFilesService instance =
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IgnoredFilesService._privateConstructor();
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Future<Set<String>> _ignoredIDs;
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Future<Set<String>> get ignoredIDs async {
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// lazily instantiate the db the first time it is accessed
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_ignoredIDs ??= _loadExistingIDs();
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return _ignoredIDs;
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}
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Future<void> cacheAndInsert(List<IgnoredFile> ignoredFiles) async {
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final existingIDs = await ignoredIDs;
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existingIDs.addAll(ignoredFiles.map((e) => _iDForIgnoredFile(e)).toSet());
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return _db.insertMultiple(ignoredFiles);
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}
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Future<Set<String>> _loadExistingIDs() async {
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final result = await _db.getAll();
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return result.map((e) => _iDForIgnoredFile(e)).toSet();
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}
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String _iDForIgnoredFile(IgnoredFile ignoredFile) {
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return _geIgnoreID(
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ignoredFile.localID, ignoredFile.deviceFolder, ignoredFile.title);
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}
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// _computeIgnoreID will return null if don't have sufficient information
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// to ignore the file based on the platform
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String _geIgnoreID(String localID, String deviceFolder, String title) {
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// file was not uploaded from mobile device
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if (localID == null || localID.isEmpty) {
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return null;
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}
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if (Platform.isAndroid) {
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if (deviceFolder == null || title == null) {
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return null;
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}
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return '$deviceFolder-$title';
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} else {
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return localID;
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}
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}
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}
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