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from utils.qa import chain
import streamlit as st
from langchain.memory import ConversationBufferWindowMemory
from langchain_community.chat_message_histories import StreamlitChatMessageHistory
path = "mm_vdb2"
client = chromadb.PersistentClient(path=path)
image_collection = client.get_collection(name="image")
video_collection = client.get_collection(name='video_collection')
memory_storage = StreamlitChatMessageHistory(key="chat_messages")
memory = ConversationBufferWindowMemory(memory_key="chat_history", human_prefix="User", chat_memory=memory_storage, k=3)
def get_answer(query):
response = chain.invoke(query)
#return response["result"]
return response
def home():
st.header("Welcome")
#st.set_page_config(layout='wide', page_title="Virtual Tutor")
st.markdown("""
<svg width="600" height="100">
<text x="50%" y="50%" font-family="San serif" font-size="42px" fill="Black" text-anchor="middle" stroke="white"
stroke-width="0.3" stroke-linejoin="round">Virtual Tutor - CHAT
</text>
</svg>
""", unsafe_allow_html=True)
if "messages" not in st.session_state:
st.session_state.messages = [
{"role": "assistant", "content": "Hi! How may I assist you today?"}
]
st.markdown("""
<style>
.stChatInputContainer > div {
background-color: #000000;
}
</style>
""", unsafe_allow_html=True)
for message in st.session_state.messages: # Display the prior chat messages
with st.chat_message(message["role"]):
st.write(message["content"])
for i, msg in enumerate(memory_storage.messages):
name = "user" if i % 2 == 0 else "assistant"
st.chat_message(name).markdown(msg.content)
if user_input := st.chat_input("User Input"):
with st.chat_message("user"):
st.markdown(user_input)
with st.spinner("Generating Response..."):
with st.chat_message("assistant"):
response = get_answer(user_input)
answer = response['result']
st.markdown(answer)
message = {"role": "assistant", "content": answer}
message_u = {"role": "user", "content": user_input}
st.session_state.messages.append(message_u)
st.session_state.messages.append(message)
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