Surface/lib/providers/sn_sticker.dart
2025-03-04 23:56:39 +08:00

133 lines
4.0 KiB
Dart

import 'dart:convert';
import 'package:drift/drift.dart';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import 'package:surface/database/database.dart';
import 'package:surface/logger.dart';
import 'package:surface/providers/database.dart';
import 'package:surface/providers/sn_network.dart';
import 'package:surface/types/attachment.dart';
class SnStickerProvider {
late final SnNetworkProvider _sn;
late final DatabaseProvider _dt;
final Map<String, SnSticker?> _cache = {};
final Map<int, List<SnSticker>> stickersByPack = {};
List<SnSticker> get stickers =>
_cache.values.where((ele) => ele != null).cast<SnSticker>().toList();
SnStickerProvider(BuildContext context) {
_sn = context.read<SnNetworkProvider>();
_dt = context.read<DatabaseProvider>();
}
bool hasNotSticker(String alias) {
return _cache.containsKey(alias) && _cache[alias] == null;
}
void _cacheSticker(SnSticker sticker) {
_cache['${sticker.pack.prefix}:${sticker.alias}'] = sticker;
if (stickersByPack[sticker.pack.id] == null) {
stickersByPack[sticker.pack.id] = List.empty(growable: true);
}
if (!stickersByPack[sticker.pack.id]!.contains(sticker)) {
stickersByPack[sticker.pack.id]!.add(sticker);
}
}
void putSticker(Iterable<SnSticker> stickers) {
for (final ele in stickers) {
_cacheSticker(ele);
}
_saveStickerToLocal(stickers);
_saveStickerPackToLocal(stickers.map((ele) => ele.pack).toSet());
}
Future<SnSticker?> lookupSticker(String alias) async {
// In-memory cache
if (_cache.containsKey(alias)) {
return _cache[alias];
}
// On-disk cache
final localStickers = await (_dt.db.snLocalSticker.select()
..where((e) => e.fullAlias.equals(alias)))
.getSingleOrNull();
if (localStickers != null) {
_cache[alias] = localStickers.content;
return localStickers.content;
}
// Remote server
try {
final resp = await _sn.client.get('/cgi/uc/stickers/lookup/$alias');
final sticker = SnSticker.fromJson(resp.data);
putSticker([sticker]);
return sticker;
} catch (err) {
_cache[alias] = null;
logging.warning('[Sticker] Failed to lookup sticker $alias', err);
}
return null;
}
Future<void> listSticker() async {
final localPacks = await _dt.db.snLocalStickerPack.select().get();
final localStickers = await _dt.db.snLocalSticker.select().get();
final local = localStickers.map((ele) {
return ele.content.copyWith(
pack: localPacks
.firstWhere((pk) => pk.content.id == ele.content.packId)
.content,
);
});
for (final sticker in local) {
_cacheSticker(sticker);
}
try {
final resp = await _sn.client.get('/cgi/uc/stickers');
final data = resp.data;
final stickers = List.from(data).map((ele) => SnSticker.fromJson(ele));
for (final sticker in stickers) {
_cacheSticker(sticker);
}
} catch (err) {
logging.error('[Sticker] Failed to list stickers...', err);
rethrow;
}
}
Future<void> _saveStickerToLocal(Iterable<SnSticker> stickers) async {
await _dt.db.snLocalSticker.insertAll(
stickers.map(
(ele) => SnLocalStickerCompanion.insert(
id: Value(ele.id),
alias: ele.alias,
fullAlias: '${ele.pack.prefix}${ele.alias}',
content: ele,
createdAt: Value(ele.createdAt),
),
),
onConflict: DoNothing(),
);
}
Future<void> _saveStickerPackToLocal(Iterable<SnStickerPack> packs) async {
final queries = packs
.map(
(ele) => _dt.db.snLocalStickerPack.insertOne(
SnLocalStickerPackCompanion.insert(
id: Value(ele.id),
content: ele,
createdAt: Value(ele.createdAt),
),
onConflict: DoUpdate((_) => SnLocalStickerPackCompanion.custom(
content: Constant(jsonEncode(ele.toJson()))))),
)
.toList();
await Future.wait(queries);
}
}