backend/app/main.py

@@ -28,6 +28,7 @@ import config
 from security import jwt_cookie, get_jwt_user
 from routes.tests import testRouter
 from routes.studies import studiesRouter
+from routes.chat import chatRouter
 
 websocket_users = defaultdict(lambda: defaultdict(set))
 websocket_users_global = defaultdict(set)
@@ -1057,5 +1058,6 @@ v1Router.include_router(studyRouter)
 v1Router.include_router(websocketRouter)
 v1Router.include_router(testRouter)
 v1Router.include_router(studiesRouter)
+v1Router.include_router(chatRouter)
 apiRouter.include_router(v1Router)
 app.include_router(apiRouter)

backend/app/routes/chat.py

+from fastapi import APIRouter, HTTPException, Depends
+from pydantic import BaseModel
+import requests
+import os
+from dotenv import load_dotenv
+
+load_dotenv()
+API_KEY = os.getenv("OPENROUTER_API_KEY")
+
+MODEL_NAME = "mistralai/mistral-small-24b-instruct-2501:free"
+API_URL = "https://openrouter.ai/api/v1/chat/completions"
+
+chatRouter = APIRouter(prefix="/chat", tags=["chat"])
+
+
+class ChatMessage(BaseModel):
+    session_id: str
+    role: str
+    content: str
+
+
+chat_sessions = {}
+
+
+@chatRouter.post("/")
+async def chat_with_ai(message: ChatMessage):
+    session_id = message.session_id
+    user_message = {"role": message.role, "content": message.content}
+
+    if session_id not in chat_sessions:
+        chat_sessions[session_id] = []
+
+    chat_sessions[session_id].append(user_message)
+
+    headers = {"Authorization": f"Bearer {API_KEY}", "Content-Type": "application/json"}
+
+    data = {"model": MODEL_NAME, "messages": chat_sessions[session_id]}
+
+    response = requests.post(API_URL, headers=headers, json=data)
+
+    if response.status_code == 200:
+        bot_response = response.json()["choices"][0]["message"]["content"]
+        chat_sessions[session_id].append({"role": "assistant", "content": bot_response})
+        return {"response": bot_response}
+    else:
+        raise HTTPException(status_code=response.status_code, detail=response.text)

backend/requirements.txt

-uvicorn[standard]>=0.27.0,<0.28.0
-fastapi>=0.110.0,<0.111.0
-fastapi_jwt>=0.2.0,<0.3.0
-sqlalchemy>=2.0.0,<2.1.0
-passlib>=1.7.0,<1.8.0
-python-jose>=3.3.0,<3.4.0
-python-multipart>=0.0.0,<0.1.0
+alembic==1.14.1
+annotated-types==0.7.0
+anyio==4.7.0
+bcrypt==3.2.0
+black==24.10.0
+certifi==2025.1.31
+cffi==1.17.1
+charset-normalizer==3.4.1
+click==8.1.7
+cryptography==44.0.0
+ecdsa==0.19.0
+fastapi==0.110.3
+fastapi-jwt==0.2.0
+h11==0.14.0
+httptools==0.6.4
+idna==3.10
+Mako==1.3.9
+MarkupSafe==3.0.2
+mypy-extensions==1.0.0
+packaging==24.2
+passlib==1.7.4
+pathspec==0.12.1
+platformdirs==4.3.6
+pyasn1==0.6.1
+pycparser==2.22
+pydantic==2.10.3
+pydantic_core==2.27.1
+python-dotenv==1.0.1
+python-jose==3.3.0
+python-multipart==0.0.19
+PyYAML==6.0.2
+requests==2.32.3
+rsa==4.9
+six==1.17.0
+sniffio==1.3.1
+SQLAlchemy==2.0.36
+starlette==0.37.2
+typing_extensions==4.12.2
+urllib3==2.3.0
+uvicorn==0.27.1
+uvloop==0.21.0
+watchfiles==1.0.3
+websockets==14.1

frontend/src/lib/api/sessions.ts

@@ -53,6 +53,26 @@ export async function createMessageAPI(
 	return await response.json();
 }
 
+export async function createAIMessageAPI(
+	fetch: fetchType,
+	sessionId: string,
+	content: string
+): Promise<any | null> {
+	const response = await fetch(`/api/chat/`, {
+		method: 'POST',
+		headers: { 'Content-Type': 'application/json' },
+		body: JSON.stringify({
+			session_id: sessionId,
+			role: 'user',
+			content: content
+		})
+	});
+
+	if (!response.ok) return null;
+
+	return await response.json();
+}
+
 export async function updateMessageAPI(
 	fetch: fetchType,
 	id: number,

frontend/src/lib/components/tests/typingbox.svelte

@@ -62,6 +62,7 @@
 				rid,
 				user?.id || null,
 				typingTest.id,
+				user?.study_id ?? 0,
 				position,
 				downtime,
 				uptime,

frontend/src/lib/types/session.ts

@@ -12,7 +12,8 @@ import {
 	patchSessionAPI,
 	removeUserFromSessionAPI,
 	sendPresenceAPI,
-	sendTypingAPI
+	sendTypingAPI,
+	createAIMessageAPI
 } from '$lib/api/sessions';
 import Message from './message';
 import config from '$lib/config';
@@ -204,6 +205,8 @@ export default class Session {
 		replyTo: string | null
 	): Promise<Message | null> {
 		const json = await createMessageAPI(fetch, this.id, content, metadata, replyTo);
+		const ai_message = await createAIMessageAPI(fetch, this.id.toString(), content);
+		console.log('AI Message: ', ai_message);
 		if (json == null || json.id == null || json.message_id == null) {
 			toastAlert('Failed to parse message');
 			return null;

frontend/src/lib/types/user.ts

@@ -162,8 +162,16 @@ export default class User {
 		return this._tutor_list;
 	}
 
-	get availabilities(): { day: string; start: string; end: string }[] {
-		return this._availabilities;
+	get availabilities(): {
+		avaibility: number;
+		day: string;
+		start: string;
+		end: string;
+	}[] {
+		return this._availabilities.map((availability, index) => ({
+			avaibility: index,
+			...availability
+		}));
 	}
 
 	set availabilities(value: { day: string; start: string; end: string }[]) {

frontend/src/routes/+page.svelte

@@ -129,6 +129,18 @@
 		);
 	}
 
+	async function createSoloSession() {
+		let session = await Session.create();
+		if (!session) {
+			console.warn('Failed to create solo session.');
+			return;
+		}
+
+		contactSessions = [...contactSessions, session].sort(
+			(a, b) => b.start_time.getTime() - a.start_time.getTime()
+		);
+	}
+
 	async function searchNickname() {
 		if (!user || !nickname || !nickname.includes('@')) {
 			toastWarning('Please enter a valid email address');
@@ -190,6 +202,16 @@
 				>
 					{$t('home.createSession')}
 				</button>
+				<button
+					onclick={(e) => {
+						e.preventDefault();
+						createSoloSession();
+					}}
+					class="button float-start mr-2"
+				>
+					Solo session
+				</button>
+
 				<button
 					class="button float-start"
 					class:btn-disabled={!contact || !contact.calcom_link}

frontend/src/routes/register/[[studyId]]/+page.svelte

@@ -615,7 +615,7 @@
 			<p class="text-center">
 				{@html $t('register.continue')}
 			</p>
-			<button class="button mt-4 w-full" onclick={() => (current_step = 6)}>
+			<button class="button mt-4 w-full" onclick={() => (current_step = 8)}>
 				{$t('register.continueButton')}
 			</button>
 			<button class="button mt-4 w-full" onclick={() => (document.location.href = '/')}>