Mudança nos icones de ios.

2026-03-16 22:24:32 +00:00
parent c5db0717c5
commit 4bd018e8f8
37 changed files with 560 additions and 140 deletions
--- a/lib/database_helper.dart
+++ b/lib/database_helper.dart
@@ -0,0 +1,144 @@
+import 'package:sqflite/sqflite.dart';
+import 'package:path/path.dart';
+
+class ChatSession {
+  final int? id;
+  final String title;
+  final String timestamp;
+
+  ChatSession({this.id, required this.title, required this.timestamp});
+
+  Map<String, dynamic> toMap() {
+    return {
+      'id': id,
+      'title': title,
+      'timestamp': timestamp,
+    };
+  }
+
+  factory ChatSession.fromMap(Map<String, dynamic> map) {
+    return ChatSession(
+      id: map['id'],
+      title: map['title'],
+      timestamp: map['timestamp'],
+    );
+  }
+}
+
+class ChatMessage {
+  final int? id;
+  final int sessionId;
+  final String text;
+  final bool isAssistant;
+  final String timestamp;
+
+  ChatMessage({
+    this.id,
+    required this.sessionId,
+    required this.text,
+    required this.isAssistant,
+    required this.timestamp,
+  });
+
+  Map<String, dynamic> toMap() {
+    return {
+      'id': id,
+      'sessionId': sessionId,
+      'text': text,
+      'isAssistant': isAssistant ? 1 : 0,
+      'timestamp': timestamp,
+    };
+  }
+
+  factory ChatMessage.fromMap(Map<String, dynamic> map) {
+    return ChatMessage(
+      id: map['id'],
+      sessionId: map['sessionId'],
+      text: map['text'],
+      isAssistant: map['isAssistant'] == 1,
+      timestamp: map['timestamp'],
+    );
+  }
+}
+
+class DatabaseHelper {
+  static final DatabaseHelper instance = DatabaseHelper._init();
+  static Database? _database;
+
+  DatabaseHelper._init();
+
+  Future<Database> get database async {
+    if (_database != null) return _database!;
+    _database = await _initDB('chat.db');
+    return _database!;
+  }
+
+  Future<Database> _initDB(String filePath) async {
+    final dbPath = await getDatabasesPath();
+    final path = join(dbPath, filePath);
+
+    return await openDatabase(
+      path,
+      version: 1,
+      onCreate: _createDB,
+    );
+  }
+
+  Future _createDB(Database db, int version) async {
+    await db.execute('''
+      CREATE TABLE sessions (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        title TEXT NOT NULL,
+        timestamp TEXT NOT NULL
+      )
+    ''');
+
+    await db.execute('''
+      CREATE TABLE messages (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        sessionId INTEGER NOT NULL,
+        text TEXT NOT NULL,
+        isAssistant INTEGER NOT NULL,
+        timestamp TEXT NOT NULL,
+        FOREIGN KEY (sessionId) REFERENCES sessions (id) ON DELETE CASCADE
+      )
+    ''');
+  }
+
+  // Session operations
+  Future<int> createSession(String title) async {
+    final db = await instance.database;
+    return await db.insert('sessions', {
+      'title': title,
+      'timestamp': DateTime.now().toIso8601String(),
+    });
+  }
+
+  Future<List<ChatSession>> getSessions() async {
+    final db = await instance.database;
+    final result = await db.query('sessions', orderBy: 'timestamp DESC');
+    return result.map((json) => ChatSession.fromMap(json)).toList();
+  }
+
+  Future<void> deleteSession(int id) async {
+    final db = await instance.database;
+    await db.delete('sessions', where: 'id = ?', whereArgs: [id]);
+  }
+
+  // Message operations
+  Future<int> insertMessage(ChatMessage message) async {
+    final db = await instance.database;
+    return await db.insert('messages', message.toMap());
+  }
+
+  Future<List<ChatMessage>> getMessages(int sessionId) async {
+    final db = await instance.database;
+    final result = await db.query(
+      'messages',
+      where: 'sessionId = ?',
+      whereArgs: [sessionId],
+      orderBy: 'timestamp ASC',
+    );
+    return result.map((json) => ChatMessage.fromMap(json)).toList();
+  }
+}