new file

App.py

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+import streamlit as st
+from streamlit_option_menu import option_menu
+from home import dashboard
+import json
+import uuid
+
+def load_json():
+    with open("database/data.json") as file:
+        data = json.load(file)
+    return data
+
+def login():
+    st.title("Login")
+    data = json.load(open("database/data.json"))
+    usrname = st.text_input("Username")
+    password = st.text_input("Password", type="password")
+    if st.button("Login", key="loginkey"):
+        for user in data["users"]:
+            if usrname == user["username"] and password == user["password"]:
+                st.success("Logged in as {}".format(usrname))
+                st.session_state["user"] = "logged"
+                flag = True
+                st.experimental_rerun()
+            else:
+                flag = False
+                if flag == False:
+                    st.error("Invalid username or password")
+                    st.stop()
+                    
+                    
+def signup():
+    st.title("Signup")
+    username = st.text_input("Username")
+    password = st.text_input("Password", type="password")
+    confirm_password = st.text_input("Confirm Password", type="password")
+    if st.button("Signup", key="signupkey"):
+        if password == confirm_password:
+            data = json.load(open("database/data.json"))
+            newuser = {
+                "username": username,
+                "password": password,
+                 "id": str(uuid.uuid4())
+            }
+            data["users"].append(newuser)
+            with open("database/data.json", "w") as file:
+                json.dump(data, file)
+            st.success("Account created")
+        else:            
+             st.error("Passwords do not match")
+           
+             
+def main():
+     if "user" not in st.session_state:
+        st.session_state["user"] = "visitor"
+        if st.session_state["user"] == "logged":
+            dashboard()
+        elif st.session_state["user"] == "visitor":
+            option = option_menu(
+                menu_title="Authentication",
+                options=["Login", "Signup"],
+            )
+            
+            if option == "Login":
+                login()
+            elif option == "Signup":
+                signup()
+                
+                
+main()