82 lines
2.4 KiB
Dart
82 lines
2.4 KiB
Dart
import 'dart:convert';
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import 'dart:io';
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import 'package:drift/drift.dart';
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import 'package:drift/native.dart';
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import 'package:island/database/message.dart';
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import 'package:path_provider/path_provider.dart';
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import 'package:path/path.dart' as p;
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part 'drift_db.g.dart';
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// Define the database
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@DriftDatabase(tables: [ChatMessages])
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class AppDatabase extends _$AppDatabase {
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AppDatabase() : super(_openConnection());
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@override
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int get schemaVersion => 1;
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// Methods for chat messages
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Future<List<ChatMessage>> getMessagesForRoom(
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int roomId, {
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int offset = 0,
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int limit = 20,
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}) {
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return (select(chatMessages)
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..where((m) => m.roomId.equals(roomId))
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..orderBy([(m) => OrderingTerm.desc(m.createdAt)])
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..limit(limit, offset: offset))
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.get();
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}
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Future<int> saveMessage(ChatMessagesCompanion message) {
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return into(chatMessages).insert(message, mode: InsertMode.insertOrReplace);
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}
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Future<int> updateMessageStatus(String id, MessageStatus status) {
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return (update(chatMessages)..where(
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(m) => m.id.equals(id),
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)).write(ChatMessagesCompanion(status: Value(status)));
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}
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Future<int> deleteMessage(String id) {
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return (delete(chatMessages)..where((m) => m.id.equals(id))).go();
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}
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// Convert between Drift and model objects
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ChatMessagesCompanion messageToCompanion(LocalChatMessage message) {
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return ChatMessagesCompanion(
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id: Value(message.id),
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roomId: Value(message.roomId),
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senderId: Value(message.senderId),
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content: Value(message.toRemoteMessage().content),
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nonce: Value(message.nonce),
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data: Value(jsonEncode(message.data)),
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createdAt: Value(message.createdAt),
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status: Value(message.status),
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);
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}
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LocalChatMessage companionToMessage(ChatMessage dbMessage) {
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final data = jsonDecode(dbMessage.data);
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return LocalChatMessage(
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id: dbMessage.id,
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roomId: dbMessage.roomId,
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senderId: dbMessage.senderId,
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data: data,
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createdAt: dbMessage.createdAt,
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status: dbMessage.status,
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nonce: dbMessage.nonce,
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);
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}
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}
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// Helper to open the database connection
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LazyDatabase _openConnection() {
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return LazyDatabase(() async {
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final dbFolder = await getApplicationDocumentsDirectory();
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final file = File(p.join(dbFolder.path, 'solar_network_data.sqlite'));
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return NativeDatabase(file);
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});
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}
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