App chatbot UI

.history/flutter_useless_project_sample/lib/api_20241102184237.dart

@@ -0,0 +1,140 @@
+// api_service.dart
+import 'dart:convert';
+import 'package:http/http.dart' as http;
+
+class Message {
+  final String content;
+  final bool isUser;
+  final String timestamp;
+
+  Message({
+    required this.content,
+    required this.isUser,
+    required this.timestamp,
+  });
+
+  factory Message.fromJson(Map<String, dynamic> json) {
+    return Message(
+      content: json['content'],
+      isUser: json['isUser'],
+      timestamp: json['timestamp'],
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'content': content,
+      'isUser': isUser,
+      'timestamp': timestamp,
+    };
+  }
+}
+
+class ChatApiService {
+  final String baseUrl; // Replace with your API URL
+  final String apiKey;  // If required by your API
+
+  ChatApiService({
+    required this.baseUrl,
+    required this.apiKey,
+  });
+
+  Future<Message> sendMessage(String message) async {
+    try {
+      final response = await http.post(
+        Uri.parse('$baseUrl/chat'),
+        headers: {
+          'Content-Type': 'application/json',
+          'Authorization': 'Bearer $apiKey',
+        },
+        body: jsonEncode({
+          'message': message,
+        }),
+      );
+
+      if (response.statusCode == 200) {
+        final responseData = jsonDecode(response.body);
+        return Message.fromJson(responseData);
+      } else {
+        throw Exception('Failed to send message: ${response.statusCode}');
+      }
+    } catch (e) {
+      throw Exception('Error sending message: $e');
+    }
+  }
+
+  Future<List<Message>> getMessageHistory() async {
+    try {
+      final response = await http.get(
+        Uri.parse('$baseUrl/history'),
+        headers: {
+          'Authorization': 'Bearer $apiKey',
+        },
+      );
+
+      if (response.statusCode == 200) {
+        final List<dynamic> responseData = jsonDecode(response.body);
+        return responseData.map((json) => Message.fromJson(json)).toList();
+      } else {
+        throw Exception('Failed to get message history: ${response.statusCode}');
+      }
+    } catch (e) {
+      throw Exception('Error getting message history: $e');
+    }
+  }
+}
+
+// chat_provider.dart
+import 'package:flutter/material.dart';
+
+class ChatProvider extends ChangeNotifier {
+  final ChatApiService _apiService;
+  List<Message> _messages = [];
+  bool _isLoading = false;
+
+  ChatProvider(this._apiService);
+
+  List<Message> get messages => _messages;
+  bool get isLoading => _isLoading;
+
+  Future<void> sendMessage(String content) async {
+    _isLoading = true;
+    notifyListeners();
+
+    try {
+      // Add user message immediately
+      final userMessage = Message(
+        content: content,
+        isUser: true,
+        timestamp: DateTime.now().toString(),
+      );
+      _messages.add(userMessage);
+      notifyListeners();
+
+      // Get bot response
+      final botResponse = await _apiService.sendMessage(content);
+      _messages.add(botResponse);
+    } catch (e) {
+      debugPrint('Error sending message: $e');
+      // Handle error (show snackbar, etc.)
+    } finally {
+      _isLoading = false;
+      notifyListeners();
+    }
+  }
+
+  Future<void> loadMessageHistory() async {
+    _isLoading = true;
+    notifyListeners();
+
+    try {
+      _messages = await _apiService.getMessageHistory();
+    } catch (e) {
+      debugPrint('Error loading message history: $e');
+      // Handle error
+    } finally {
+      _isLoading = false;
+      notifyListeners();
+    }
+  }
+}

.history/flutter_useless_project_sample/lib/api_20241102184242.dart

@@ -0,0 +1,139 @@
+// api_service.dart
+import 'dart:convert';
+import 'package:http/http.dart' as http;
+
+class Message {
+  final String content;
+  final bool isUser;
+  final String timestamp;
+
+  Message({
+    required this.content,
+    required this.isUser,
+    required this.timestamp,
+  });
+
+  factory Message.fromJson(Map<String, dynamic> json) {
+    return Message(
+      content: json['content'],
+      isUser: json['isUser'],
+      timestamp: json['timestamp'],
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'content': content,
+      'isUser': isUser,
+      'timestamp': timestamp,
+    };
+  }
+}
+
+class ChatApiService {
+  final String baseUrl; // Replace with your API URL
+  final String apiKey;  // If required by your API
+
+  ChatApiService({
+    required this.baseUrl,
+    required this.apiKey,
+  });
+
+  Future<Message> sendMessage(String message) async {
+    try {
+      final response = await http.post(
+        Uri.parse('$baseUrl/chat'),
+        headers: {
+          'Content-Type': 'application/json',
+          'Authorization': 'Bearer $apiKey',
+        },
+        body: jsonEncode({
+          'message': message,
+        }),
+      );
+
+      if (response.statusCode == 200) {
+        final responseData = jsonDecode(response.body);
+        return Message.fromJson(responseData);
+      } else {
+        throw Exception('Failed to send message: ${response.statusCode}');
+      }
+    } catch (e) {
+      throw Exception('Error sending message: $e');
+    }
+  }
+
+  Future<List<Message>> getMessageHistory() async {
+    try {
+      final response = await http.get(
+        Uri.parse('$baseUrl/history'),
+        headers: {
+          'Authorization': 'Bearer $apiKey',
+        },
+      );
+
+      if (response.statusCode == 200) {
+        final List<dynamic> responseData = jsonDecode(response.body);
+        return responseData.map((json) => Message.fromJson(json)).toList();
+      } else {
+        throw Exception('Failed to get message history: ${response.statusCode}');
+      }
+    } catch (e) {
+      throw Exception('Error getting message history: $e');
+    }
+  }
+}
+
+// chat_provider.dart
+
+class ChatProvider extends ChangeNotifier {
+  final ChatApiService _apiService;
+  List<Message> _messages = [];
+  bool _isLoading = false;
+
+  ChatProvider(this._apiService);
+
+  List<Message> get messages => _messages;
+  bool get isLoading => _isLoading;
+
+  Future<void> sendMessage(String content) async {
+    _isLoading = true;
+    notifyListeners();
+
+    try {
+      // Add user message immediately
+      final userMessage = Message(
+        content: content,
+        isUser: true,
+        timestamp: DateTime.now().toString(),
+      );
+      _messages.add(userMessage);
+      notifyListeners();
+
+      // Get bot response
+      final botResponse = await _apiService.sendMessage(content);
+      _messages.add(botResponse);
+    } catch (e) {
+      debugPrint('Error sending message: $e');
+      // Handle error (show snackbar, etc.)
+    } finally {
+      _isLoading = false;
+      notifyListeners();
+    }
+  }
+
+  Future<void> loadMessageHistory() async {
+    _isLoading = true;
+    notifyListeners();
+
+    try {
+      _messages = await _apiService.getMessageHistory();
+    } catch (e) {
+      debugPrint('Error loading message history: $e');
+      // Handle error
+    } finally {
+      _isLoading = false;
+      notifyListeners();
+    }
+  }
+}