chore(5-min-viz): add more data to the info box on the landing page

Author: lalver1

pems_data/src/pems_data/services/stations.py

@@ -52,6 +52,7 @@ def get_district_metadata(self, district_number: str) -> pd.DataFrame:
         cache_opts = {"key": self._build_cache_key("metadata", "district", district_number), "ttl": 3600}  # 1 hour
         columns = [
             "STATION_ID",
+            "CONTROLLER_ID",
             "NAME",
             "PHYSICAL_LANES",
             "STATE_POSTMILE",

pems_streamlit/src/pems_streamlit/components/map_summary.py

@@ -13,7 +13,10 @@ def map_district_summary(df_station_metadata: pd.DataFrame):
 
     with info_col:
         with st.container(border=True):
+            st.markdown(f"**Directional Distance** {df_station_metadata['LENGTH'].sum().round(1)} miles")
+            st.markdown(f"**Freeways** {df_station_metadata['FREEWAY'].nunique()}")
             st.markdown(f"**Stations** {df_station_metadata['STATION_ID'].nunique()}")
+            st.markdown(f"**Controllers** {df_station_metadata['CONTROLLER_ID'].nunique()}")
 
 
 def map_station_summary(df_station_metadata: pd.DataFrame):

tests/pytest/pems_data/services/test_stations.py

@@ -33,6 +33,7 @@ def test_get_district_metadata(self, service: StationsService, data_source: IDat
         assert data_source.read.call_args.args[0] == service.metadata_file
         assert data_source.read.call_args.kwargs["columns"] == [
             "STATION_ID",
+            "CONTROLLER_ID",
             "NAME",
             "PHYSICAL_LANES",
             "STATE_POSTMILE",