MPA v2 tutorial (#1100)

python/api-examples-source/tutorials/dynamic-navigation/admin/admin_1.py

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+import streamlit as st
+
+st.header("Admin 1")
+st.write(f"You are logged in as {st.session_state.role}.")

python/api-examples-source/tutorials/dynamic-navigation/admin/admin_2.py

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+import streamlit as st
+
+st.header("Admin 2")
+st.write(f"You are logged in as {st.session_state.role}.")

python/api-examples-source/tutorials/dynamic-navigation/request/request_1.py

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+import streamlit as st
+
+st.header("Request 1")
+st.write(f"You are logged in as {st.session_state.role}.")

python/api-examples-source/tutorials/dynamic-navigation/request/request_2.py

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+import streamlit as st
+
+st.header("Request 2")
+st.write(f"You are logged in as {st.session_state.role}.")

python/api-examples-source/tutorials/dynamic-navigation/respond/respond_1.py

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+import streamlit as st
+
+st.header("Respond 1")
+st.write(f"You are logged in as {st.session_state.role}.")

python/api-examples-source/tutorials/dynamic-navigation/respond/respond_2.py

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+import streamlit as st
+
+st.header("Respond 2")
+st.write(f"You are logged in as {st.session_state.role}.")

python/api-examples-source/tutorials/dynamic-navigation/settings.py

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+import streamlit as st
+
+st.header("Settings")
+st.write(f"You are logged in as {st.session_state.role}.")

python/api-examples-source/tutorials/dynamic-navigation/streamlit_app.py

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+import streamlit as st
+
+if "role" not in st.session_state:
+    st.session_state.role = None
+
+DEFAULT_PAGES = {
+    None: None,
+    "Requester": "request/request_1.py",
+    "Responder": "respond/respond_1.py",
+    "Admin": "admin/admin_1.py",
+}
+
+
+def login():
+    roles = DEFAULT_PAGES.keys()
+
+    st.header("Log in")
+    role = st.selectbox("Choose your role", roles)
+
+    if st.button("Log in"):
+        st.session_state.role = role
+        st.rerun()
+
+
+def logout():
+    st.session_state.role = None
+    st.rerun()
+
+
+role = st.session_state.role
+
+logout_page = st.Page(logout, title="Log out", icon=":material/logout:")
+settings = st.Page("settings.py", title="Settings", icon=":material/settings:")
+request_1 = st.Page(
+    "request/request_1.py",
+    title="Request 1",
+    icon=":material/help:",
+    default=(DEFAULT_PAGES[role] == "request/request_1.py"),
+)
+request_2 = st.Page(
+    "request/request_2.py", title="Request 2", icon=":material/bug_report:"
+)
+respond_1 = st.Page(
+    "respond/respond_1.py",
+    title="Respond 1",
+    icon=":material/healing:",
+    default=(DEFAULT_PAGES[role] == "respond/respond_1.py"),
+)
+respond_2 = st.Page(
+    "respond/respond_2.py", title="Respond 2", icon=":material/handyman:"
+)
+admin_1 = st.Page(
+    "admin/admin_1.py",
+    title="Admin 1",
+    icon=":material/person_add:",
+    default=(DEFAULT_PAGES[role] == "admin/admin_1.py"),
+)
+admin_2 = st.Page("admin/admin_2.py", title="Admin 2", icon=":material/security:")
+
+account_pages = [logout_page, settings]
+request_pages = [request_1, request_2]
+respond_pages = [respond_1, respond_2]
+admin_pages = [admin_1, admin_2]
+
+st.title("Request manager")
+st.logo(
+    "python/api-examples-source/tutorials/dynamic-navigation/images/horizontal_blue.png",
+    icon_image="python/api-examples-source/tutorials/dynamic-navigation/images/icon_blue.png"
+)
+
+page_dict = {}
+if st.session_state.role in ["Requester", "Admin"]:
+    page_dict["Request"] = request_pages
+if st.session_state.role in ["Responder", "Admin"]:
+    page_dict["Respond"] = respond_pages
+if st.session_state.role == "Admin":
+    page_dict["Admin"] = admin_pages
+
+if len(page_dict) > 0:
+    pg = st.navigation({"Account": account_pages} | page_dict)
+else:
+    pg = st.navigation([st.Page(login)])
+
+pg.run()