Files
Prisma/lib/backend/repositories/search_repository.dart
T
2026-09-04 18:06:46 +03:00

98 lines
3.2 KiB
Dart

import 'package:isar/isar.dart';
import '../../core/database/app_database.dart';
import '../../core/database/database_service.dart';
import '../../core/utils/result.dart';
import '../models/search_history.dart';
class SearchRepository {
SearchRepository(this._databaseService);
final DatabaseService _databaseService;
Future<Result<void>> save(SearchHistory history, {int maxItems = 500}) {
return _databaseService.safeWrite((isar) async {
final norm = history.query.trim().toLowerCase();
// Remove any existing duplicate records with same query
final all = await isar.searchHistoryEntitys.where().findAll();
for (final item in all) {
if (item.query.trim().toLowerCase() == norm) {
await isar.searchHistoryEntitys.delete(item.isarId);
}
}
await isar.searchHistoryEntitys.put(
SearchHistoryEntity()
..historyId = history.id
..query = history.query
..tags = history.tags
..searchedAt = history.searchedAt
..resultCount = history.resultCount,
);
final count = await isar.searchHistoryEntitys.count();
if (count > maxItems) {
final items = await isar.searchHistoryEntitys.where().findAll();
items.sort((a, b) => b.searchedAt.compareTo(a.searchedAt));
final toRemove = items.skip(maxItems);
for (final item in toRemove) {
await isar.searchHistoryEntitys.delete(item.isarId);
}
}
});
}
Future<Result<int>> count() {
return _databaseService.safeRead((isar) async {
return await isar.searchHistoryEntitys.count();
});
}
Future<Result<List<SearchHistory>>> recent({int? limit}) {
return _databaseService.safeRead((isar) async {
final items = await isar.searchHistoryEntitys.where().findAll();
items.sort((a, b) => b.searchedAt.compareTo(a.searchedAt));
final seen = <String>{};
final deduplicated = <SearchHistoryEntity>[];
for (final item in items) {
final key = item.query.trim().toLowerCase();
if (key.isEmpty) continue;
if (seen.add(key)) {
deduplicated.add(item);
}
}
final limited = limit == null ? deduplicated : deduplicated.take(limit);
return limited.map((entity) => entity.toModel()).toList();
});
}
Future<Result<bool>> delete(String historyId) {
return _databaseService.safeWrite((isar) async {
final target = await isar.searchHistoryEntitys
.where()
.filter()
.historyIdEqualTo(historyId)
.findFirst();
if (target != null) {
final norm = target.query.trim().toLowerCase();
final all = await isar.searchHistoryEntitys.where().findAll();
for (final item in all) {
if (item.query.trim().toLowerCase() == norm ||
item.historyId == historyId) {
await isar.searchHistoryEntitys.delete(item.isarId);
}
}
return true;
}
return await isar.searchHistoryEntitys.deleteByHistoryId(historyId);
});
}
Future<Result<void>> clear() {
return _databaseService.safeWrite((isar) async {
await isar.searchHistoryEntitys.clear();
});
}
}