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MrbWebLibre/app/lib/features/bangs/domain/repositories/data.dart
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2025-01-07 00:06:31 +01:00

120 lines
3.5 KiB
Dart

import 'dart:convert';
import 'package:drift/drift.dart';
import 'package:exceptions/exceptions.dart';
import 'package:lensai/domain/services/generic_website.dart';
import 'package:lensai/features/bangs/data/database/database.dart';
import 'package:lensai/features/bangs/data/models/bang.dart';
import 'package:lensai/features/bangs/data/models/bang_data.dart';
import 'package:lensai/features/bangs/data/models/search_history_entry.dart';
import 'package:lensai/features/bangs/data/providers.dart';
import 'package:riverpod_annotation/riverpod_annotation.dart';
part 'data.g.dart';
@Riverpod(keepAlive: true)
class BangDataRepository extends _$BangDataRepository {
late BangDatabase _db;
@override
void build() {
_db = ref.watch(bangDatabaseProvider);
}
Stream<BangData?> watchBang(String? trigger) {
if (trigger != null) {
return _db.bangDao.getBangData(trigger).watchSingleOrNull();
} else {
return Stream.value(null);
}
}
Stream<Map<String, List<String>>> watchCategories() {
return _db.categoriesJson().watchSingle().map((json) {
final decoded = jsonDecode(json) as Map<String, dynamic>;
return decoded.map(
(key, value) => MapEntry(key, (value as List<dynamic>).cast()),
);
});
}
Stream<int> watchBangCount(BangGroup group) {
return _db.bangDao.getBangCount(groups: [group]).watchSingle();
}
Stream<List<BangData>> watchBangs({
Iterable<BangGroup>? groups,
String? domain,
({String category, String? subCategory})? categoryFilter,
bool? orderMostFrequentFirst,
}) {
return _db.bangDao
.getBangDataList(
groups: groups,
domain: domain,
category: categoryFilter?.category,
subCategory: categoryFilter?.subCategory,
orderMostFrequentFirst: orderMostFrequentFirst,
)
.watch();
}
Stream<List<BangData>> watchFrequentBangs({Iterable<BangGroup>? groups}) {
return _db.bangDao.getFrequentBangDataList(groups: groups).watch();
}
Stream<List<SearchHistoryEntry>> watchSearchHistory({required int limit}) {
return _db.searchHistoryEntries(limit: limit).watch();
}
Future<void> increaseFrequency(String trigger) {
return _db.bangDao.increaseBangFrequency(trigger);
}
Future<void> addSearchEntry(
String trigger,
String searchQuery, {
required int maxEntryCount,
}) {
//Pack in a transaction to bundle rebuilds of watch() queries
return _db.transaction(
() async {
await _db.bangDao.addSearchEntry(trigger, searchQuery);
await _db.evictHistoryEntries(limit: maxEntryCount);
},
);
}
Future<void> removeSearchEntry(String searchQuery) {
return _db.bangDao.removeSearchEntry(searchQuery);
}
Future<Result<BangData>> ensureIconAvailable(BangData bang) async {
if (bang.icon != null) {
return Result.success(bang);
}
final url = bang.getUrl('');
final websiteProvider = ref.read(genericWebsiteServiceProvider.notifier);
final cachedIcon = await websiteProvider.getCachedIcon(url);
if (cachedIcon != null) {
return Result.success(bang.copyWith.icon(cachedIcon));
}
return websiteProvider.fetchPageInfo(url).then(
(result) => result
.flatMap((pageInfo) => bang.copyWith.icon(pageInfo.favicon)),
);
}
Future<int> resetFrequencies() {
return _db.bangFrequency.deleteAll();
}
Future<int> resetFrequency(String trigger) {
return _db.bangFrequency.deleteWhere((t) => t.trigger.equals(trigger));
}
}