Update app.py

app.py

@@ -4,8 +4,8 @@ import json
 
 st.set_page_config(layout="wide")
 
-# if 'filter_bar' not in st.session.state:
-#     st.session.state.filter_bar = []
+if 'filter_bar' not in st.session.state:
+    st.session.state.filter_bar = []
 
 # load data
 f = open('data.json')
@@ -72,7 +72,7 @@ def submit_bar():
     filter_1 = (pivot['sum_has_ingredients'] > 0) & (pivot['sum_needs_ingredients'] > 0)
     filter_2 = pivot['sum_needs_ingredients'] == pivot['sum_has_ingredients']
     filter_all = filter_1 & filter_2
-    filter_bar = pivot.loc[filter_all, 'name'].to_list()
+    st.session.state.filter_bar = pivot.loc[filter_all, 'name'].to_list()
 
 with st.expander("Home bar"):
 
@@ -87,5 +87,5 @@ with st.expander("Home bar"):
     
 
 st.header("Recipes")
-filter_all = list(set(filter_name) & set(filter_ingredient) & set(filter_source) & set(filter_type) & set(filter_bar))
+filter_all = list(set(filter_name) & set(filter_ingredient) & set(filter_source) & set(filter_type) & set(st.session.state.filter_bar))
 st.dataframe(recipes[recipes['name'].isin(filter_all)], hide_index=True)