fix intraday check in charting ta_class (#6119)

Co-authored-by: Henrique Joaquim <h.joaquim@campus.fct.unl.pt>

openbb_platform/core/integration/test_obbject.py

@@ -75,7 +75,7 @@ def test_to_chart(obb):
     """Test obbject to chart."""
 
     res = obb.equity.price.historical("AAPL", provider="fmp")
-    res.charting.to_chart()
+    res.charting.to_chart(render=False)
     assert isinstance(res.chart.fig, OpenBBFigure)
 
 

openbb_platform/obbject_extensions/charting/openbb_charting/__init__.py

@@ -178,7 +178,7 @@ class Charting:
         index = (
             data.index.name
             if has_data and isinstance(data, (pd.DataFrame, pd.Series))
-            else ""
+            else None
         )
         data_as_df: pd.DataFrame = (
             basemodel_to_df(convert_to_basemodel(data), index=index)

openbb_platform/obbject_extensions/charting/openbb_charting/core/plotly_ta/ta_class.py

@@ -182,6 +182,12 @@ class PlotlyTA(PltTA):
         if not isinstance(indicators, ChartIndicators):
             indicators = ChartIndicators.from_dict(indicators or dict(dict()))
 
+        # Apply to_datetime to the index in a way that handles daylight savings.
+        df_stock.loc[:, "date"] = df_stock.index  # type: ignore
+        df_stock["date"] = df_stock["date"].apply(pd.to_datetime)
+        df_stock.index = df_stock["date"]  # type: ignore
+        df_stock.drop(columns=["date"], inplace=True)
+
         self.indicators = indicators
         self.intraday = df_stock.index[-2].time() != df_stock.index[-1].time()
         self.df_stock = df_stock.sort_index(ascending=True)