app.py

import streamlit as st
from streamlit_option_menu import option_menu
from pymongo import MongoClient
import os
from home import dashboard


if 'user' not in st.session_state:
    st.session_state['user'] = "Guest"


# Connecting to MongoD
uri = os.environ["MONGO_CONNECTION_STRING"]

client = MongoClient(uri, tlsCertificateKeyFile="database/cert.pem")

db = client["myapp"]

col = db["users"]

# Checking connectiong to database
try:
    client.admin.command('ping')
    print("Connection Established Successfully!")
except Exception as e:
    print(f"Not Connected: {e}")



def Signup():
    username = st.text_input("Username")
    password = st.text_input("Password", type="password")
    confpass = st.text_input("Confirm Password", type="password")
    
    newuser = {
        "username": username,"password": password
    }
    if st.button("Signup"):
            if password == confpass:
                col.insert_one({"username": username, "password": password})
                st.write("You are Registered Sucessfully")
            else:
                "Password do not match"

    

def Login():
    username = st.text_input("username")
    password = st.text_input("Password")
    
    if st.button("Login"):
        allusers = list(col.find())
        for anyuser in allusers:
            if  username == anyuser["username"] and password == anyuser["password"]:
                st.success("You are logged in")
                st.session_state["user"] = "isuser"
                st.experimental_rerun()
            else:
                st.error("Your username or password do not match")



def main():
    if st.session_state["user"] == "Guest":
        with st.sidebar:
            selected = option_menu("Menu", ["Login", "Signup"], icons = ["house", "person"])
        if selected == "Login":
            Login()

        elif selected == "Signup":
            Signup()
    elif st.session_state["user"] == "isuser":
        dashboard()

main()