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(); } } @TableIndex(name: 'idx_channel_alias', columns: {#alias}) 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(); } } @TableIndex(name: 'idx_chat_channel', columns: {#channelId}) class SnLocalChatMessage extends Table { IntColumn get id => integer().autoIncrement()(); IntColumn get channelId => integer()(); IntColumn get senderId => integer().nullable()(); TextColumn get content => text().map(const SnMessageConverter())(); DateTimeColumn get createdAt => dateTime().withDefault(currentDateAndTime)(); } class SnChannelMemberConverter extends TypeConverter with JsonTypeConverter2> { const SnChannelMemberConverter(); @override SnChannelMember fromSql(String fromDb) { return fromJson(jsonDecode(fromDb) as Map); } @override String toSql(SnChannelMember value) { return jsonEncode(toJson(value)); } @override SnChannelMember fromJson(Map json) { return SnChannelMember.fromJson(json); } @override Map toJson(SnChannelMember value) { return value.toJson(); } } class SnLocalChannelMember extends Table { IntColumn get id => integer().autoIncrement()(); IntColumn get channelId => integer()(); IntColumn get accountId => integer()(); TextColumn get content => text().map(SnChannelMemberConverter())(); DateTimeColumn get createdAt => dateTime().withDefault(currentDateAndTime)(); DateTimeColumn get cacheExpiredAt => dateTime()(); }