ADD app.py to display dataframs. UPDATE database folder

app.py

@@ -8,38 +8,22 @@ st.set_page_config(
 )
 
 
-if st.checkbox('Use remote database?') :
-    cnx = get_connection(user=st.secrets.db_username, password=st.secrets.db_password, host=st.secrets.db_host)
-    databases = [db[0] for db in get_database_names(cnx)]
-    st.session_state.databases = databases
-else :
-    cnx = get_connection(user='sajjad_quera', password="P@ssword1401", host='localhost')
-    databases = [db[0] for db in get_database_names(cnx)]
-    st.session_state.databases = databases
-
-
 def on_table_radio_change(db_name) :
     if db_name in st.session_state :
         table_selected = st.session_state.get(db_name)
         st.subheader(f'{table_selected} table from {db_name} database dashboarding')
         st.dataframe(get_table_in_database(cnx,db_name = db_name, table_name= table_selected))
 
+st.session_state.dfs = os.listdir(os.path.abspath('database/dataframes'))
 
-st.sidebar.title('DataBases')
-with st.sidebar:
-    for db in st.session_state.databases :
-        with st.expander(db) :
-            tables = get_all_tables_in_database(cnx, db)
-            tables = [table[0] for table in tables]
-
-            table_selected = st.radio(
-                label = 'tables',
-                options= tables,
-                label_visibility='collapsed' ,
-                key = db  ,
-                on_change = on_table_radio_change,
-                kwargs={"db_name" : db}
-
-            )
-
+def on_selectbox_change() :
+    df = pd.read_csv(os.path.abspath('database/dataframes')+'\\'+st.session_state.df_name)
+    st.dataframe(df)
 
+st.sidebar.title('DataFrames')
+with st.sidebar:
+    st.selectbox(label='Which dataframe to display?',
+                 options=st.session_state.dfs,
+                 on_change=on_selectbox_change,
+                 key='df_name',
+                 )