# From https://docs.streamlit.io/develop/tutorials/multipage/st.page_link-nav import streamlit as st def authenticated_menu(): # Show a navigation menu for authenticated users # st.sidebar.page_link("app.py", label="Switch Accounts", icon="🔒") st.sidebar.page_link("pages/user.py", label="Profile", icon="👤") st.sidebar.page_link("pages/input.py", label="Input", icon="💡") st.sidebar.page_link("pages/validate.py", label="Validate", icon="✅") st.sidebar.page_link("pages/explore.py", label="Explore", icon="🔍") if st.session_state.role in ["admin"]: st.sidebar.page_link("pages/admin.py", label="Manage Users", icon="🔧") def unauthenticated_menu(): # Show a navigation menu for unauthenticated users st.sidebar.page_link("app.py", label="Log In", icon="🔒") def menu(): # Determine if a user is logged in or not, then show the correct navigation menu if "role" not in st.session_state or st.session_state.role is None: unauthenticated_menu() return authenticated_menu() def menu_with_redirect(): # Redirect users to the main page if not logged in, otherwise continue to # render the navigation menu if "role" not in st.session_state or st.session_state.role is None: st.switch_page("app.py") menu()