dynamic chat bubbles implemented along with conversation support. currently only hard-coded dummy data.
This commit is contained in:
Joshua
+102
-65
@@ -1,4 +1,5 @@
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import 'dart:convert';
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import 'package:app/components/conversation_thread/conversation.dart';
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import 'package:http/http.dart' as http;
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import 'package:app/components/conversation_thread/chat.dart';
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@@ -7,12 +8,34 @@ import 'package:app/util/speech_to_text.dart';
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// Uses Singleton design pattern to ensure that any server references across the app are using the same instance.
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class Server {
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// SERVER VARIABLES
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static final Server _single_server = Server._internal();
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Server._internal();
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// TODO: One-time process to establish server connection is required for easy setup/maintenance.
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static final url = "http://10.0.2.2:11434/api/";
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static String endpoint = "";
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static final Map<String, String> headers = {'Content-Type': 'application/json'};
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// STT variables
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// AI VARIABLES
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static final SpeechToText stt = SpeechToText();
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static late bool _speechEnabled;
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static final Server _single_server = Server._internal();
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// PRIVACY VARIABLES
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static bool _historyEnabled = true;
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static late int conversationID;
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static List<Conversation> conversations = [];
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static List<Chat> loadedChats = [];
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// RUNTIME & STATUS VARIABLES
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static String prompt = "";
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static String response = "";
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static bool initiated = false;
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// TODO: Verify all different components of STT, TTS, LLM, etc have been initialized.
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// TODO: Handshake w/ server to validate identity
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@@ -20,41 +43,83 @@ class Server {
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// Speech-To-Text engine activation.
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_speechEnabled = stt.isSpeechEnabled();
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// loadedChats = conversations[conversationID].chats;
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return _single_server;
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}
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Server._internal();
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void init() {
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initiated = true;
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// TODO: One-time process to establish server connection is required for easy setup/maintenance.
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// Server variables
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final url = "http://10.0.2.2:11434/api/";
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String endpoint = "";
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Map<String, String> headers = {'Content-Type': 'application/json'};
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// Status variables
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bool _historyEnabled = true;
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// TODO: Dynamically obtain conversations.
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conversations.add(
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Conversation.completeConversation(
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0,
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"Test label",
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"Test sub-label",
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[
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(Chat("This is just a test. Only reply Yes.", true)),
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(Chat("Yes.", false)),
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]
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)
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);
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// Context variables
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List<Chat> chats = [
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(Chat("This is just a test. Only reply Yes.", true)),
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(Chat("Yes.", false)),
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];
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// Runtime variables
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String prompt = "";
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String response = "";
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int conversationID = 0;
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List<Chat> getConversationByID(conversationID) {
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// TODO: Implement conversation IDs & retrieval from server
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this.conversationID = conversationID;
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return chats;
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conversations.add(
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Conversation.completeConversation(
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1,
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"Label test",
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"Sub-label Test",
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[
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(Chat("A different test. Only reply No.", true)),
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(Chat("No.", false)),
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]
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)
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);
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}
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// TODO: Integrate with getConversationByID()
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List<Map<String, String>> convertMessages() {
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// PRIMARY INTERFACE
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static Future<String> sttGetResponseWhenReady() async {
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// TODO: In case on-device STT is unavailable, use server-side STT service.
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if (!_speechEnabled) "Unable to process Speech-To-Text on-device.";
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prompt = stt.getTextWhenReady() as String;
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conversations[conversationID].add(Chat(prompt, true));
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httpSendRequest();
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conversations[conversationID].add(Chat(response, false));
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return response;
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}
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static void respondWhenReady(String p) async {
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prompt = p;
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conversations[conversationID].add(Chat(prompt, true));
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httpSendRequest();
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}
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// CONVERSATION MANAGEMENT
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static List<Conversation> getConversationsList() { return conversations; }
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static Conversation getLoadedConversation() { return conversations[conversationID]; }
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// Load conversation should be called prior to any other server requests.
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static void loadConversation(id) {
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conversationID = id;
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loadedChats = conversations[conversationID].chats;
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}
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static List<Chat> getChatsByConversationID(id) { return conversations[id].chats; }
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// SERVER UTILS
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static List<Map<String, String>> convertMessages() {
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// TODO: Integrate with getConversationByID()
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List<Map<String, String>> messageList = [];
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for (Chat c in chats) {
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for (Chat c in loadedChats) {
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messageList.add({
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"role": c.role ? "user" : "assistant",
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"content": c.content,
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@@ -64,41 +129,15 @@ class Server {
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return messageList;
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}
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// Using native on-device Speech-To-Text capability, get the server response when ready.
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Future<String> sttGetResponseWhenReady() async {
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// TODO: In case on-device STT is unavailable, use server-side STT service.
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if (!_speechEnabled) "Unable to process Speech-To-Text on-device.";
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prompt = stt.getTextWhenReady() as String;
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httpSendRequest();
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return response;
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}
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Future<String> getResponseWhenReady(String p) async {
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prompt = p;
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httpSendRequest();
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return response;
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}
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// Get the last response or request a response from the server.
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String getResponse() {
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httpSendRequest();
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return response;
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}
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// Get the latest prompt.
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String getPrompt() => prompt;
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// Formats the prompt in JSON.
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String constructPrompt() {
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static String constructPrompt() {
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// TODO: Allow for additional flags, ie. continuous conversation, images, etc.
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// TODO: Allow for toggleable states between stream
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// TODO: Allow for different models to be dynamically selected.
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Map<String, dynamic> data;
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if(_historyEnabled) {
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chats = [...chats, Chat(prompt, true)];
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loadedChats = [...loadedChats, Chat(prompt, true)];
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endpoint = "chat";
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List<Map<String, String>> messageList = convertMessages();
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@@ -123,9 +162,8 @@ class Server {
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}
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// Send the HTTP request to the server.
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void httpSendRequest() async {
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static void httpSendRequest() async {
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String json = constructPrompt();
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print("\n\nJSON:\n$json\n\n");
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// Send the HTTP POST request
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final serverResponse = await http.post(
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@@ -138,15 +176,14 @@ class Server {
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Map<String, dynamic> re = jsonDecode(serverResponse.body);
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if(_historyEnabled) {
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response = re["message"]["content"];
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chats = [...chats, Chat(response, false)];
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loadedChats = [...loadedChats, Chat(response, false)];
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} else {
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response = re["response"];
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}
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}
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print("\n\nresponse:\n$response");
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print("\nRaw chats variable:\n");
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for(Chat c in chats) {
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print(c.content);
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}
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conversations[conversationID].add(Chat(response, false));
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prompt = "";
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response = "";
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}
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}
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