import 'dart:convert'; import 'package:drift/drift.dart'; import 'package:surface/types/chat.dart'; class SnChannelConverter extends TypeConverter with JsonTypeConverter2> { const SnChannelConverter(); @override SnChannel fromSql(String fromDb) { return fromJson(jsonDecode(fromDb) as Map); } @override String toSql(SnChannel value) { return jsonEncode(toJson(value)); } @override SnChannel fromJson(Map json) { return SnChannel.fromJson(json); } @override Map toJson(SnChannel value) { return value.toJson(); } } class SnLocalChatChannel extends Table { IntColumn get id => integer().autoIncrement()(); TextColumn get alias => text()(); TextColumn get content => text().map(const SnChannelConverter())(); DateTimeColumn get createdAt => dateTime().withDefault(currentDateAndTime)(); } class SnMessageConverter extends TypeConverter with JsonTypeConverter2> { const SnMessageConverter(); @override SnChatMessage fromSql(String fromDb) { return fromJson(jsonDecode(fromDb) as Map); } @override String toSql(SnChatMessage value) { return jsonEncode(toJson(value)); } @override SnChatMessage fromJson(Map json) { return SnChatMessage.fromJson(json); } @override Map toJson(SnChatMessage value) { return value.toJson(); } } class SnLocalChatMessage extends Table { IntColumn get id => integer().autoIncrement()(); IntColumn get channelId => integer()(); TextColumn get content => text().map(const SnMessageConverter())(); DateTimeColumn get createdAt => dateTime().withDefault(currentDateAndTime)(); }