Solian/lib/providers/message/history.dart

67 lines
1.8 KiB
Dart

import 'dart:async';
import 'dart:convert';
import 'package:floor/floor.dart';
import 'package:solian/models/message.dart';
import 'package:sqflite/sqflite.dart' as sqflite;
part 'history.g.dart';
@entity
class LocalMessage {
@primaryKey
final int id;
final Message data;
final int channelId;
LocalMessage(this.id, this.data, this.channelId);
}
class RemoteMessageConverter extends TypeConverter<Message, String> {
@override
Message decode(String databaseValue) {
return Message.fromJson(jsonDecode(databaseValue));
}
@override
String encode(Message value) {
return jsonEncode(value.toJson());
}
}
@dao
abstract class LocalMessageDao {
@Query('SELECT COUNT(id) FROM LocalMessage WHERE channelId = :channelId')
Future<int?> countByChannel(int channelId);
@Query('SELECT * FROM LocalMessage WHERE channelId = :channelId ORDER BY id DESC')
Future<List<LocalMessage>> findAllByChannel(int channelId);
@Query('SELECT * FROM LocalMessage WHERE channelId = :channelId ORDER BY id DESC LIMIT 1')
Future<LocalMessage?> findLastByChannel(int channelId);
@Insert(onConflict: OnConflictStrategy.replace)
Future<void> insert(LocalMessage m);
@Insert(onConflict: OnConflictStrategy.replace)
Future<void> insertBulk(List<LocalMessage> m);
@Update(onConflict: OnConflictStrategy.replace)
Future<void> update(LocalMessage person);
@Query('DELETE FROM LocalMessage WHERE id = :id')
Future<void> delete(int id);
@Query('DELETE FROM LocalMessage WHERE channelId = :channelId')
Future<List<LocalMessage>> deleteByChannel(int channelId);
@Query('DELETE FROM LocalMessage')
Future<void> wipeLocalMessages();
}
@TypeConverters([RemoteMessageConverter])
@Database(version: 1, entities: [LocalMessage])
abstract class MessageHistoryDb extends FloorDatabase {
LocalMessageDao get localMessages;
}