Issue/dont save if nan (#72)

* drop nans if in generation_mw

* pydantic<2.0

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* if capacity is zero, fill nans

* only update location if there are results

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

gspconsumer/app.py

@@ -194,6 +194,10 @@ def pull_data_and_save(
             else:
                 logger.debug(f"This is the first lot gsp yield data for GSP {(gsp.gsp_id)}")
 
+            # capacity is zero, set nans to 0
+            if gsp_yield_df["capacity_mwp"].sum() == 0:
+                gsp_yield_df["generation_mw"] = 0
+
             # drop any nan values in generation_mw column
             gsp_yield_df = gsp_yield_df.dropna(subset=["generation_mw"])
 
@@ -221,14 +225,15 @@ def pull_data_and_save(
                 gsp_yield_sql.location = gsp
 
             # update installed capacity
-            current_installed_capacity = gsp_yield_sql.location.installed_capacity_mw
-            new_installed_capacity = gsp_yield_df["installedcapacity_mwp"].iloc[0]
-            if current_installed_capacity != new_installed_capacity:
-                logger.debug(
-                    f"Going to update the capacity from "
-                    f"{current_installed_capacity} to {new_installed_capacity}"
-                )
-                gsp_yield_sql.location.installed_capacity_mw = new_installed_capacity
+            if len(gsp_yield_df) > 0:
+                current_installed_capacity = gsp_yield_sql.location.installed_capacity_mw
+                new_installed_capacity = gsp_yield_df["installedcapacity_mwp"].iloc[0]
+                if current_installed_capacity != new_installed_capacity:
+                    logger.debug(
+                        f"Going to update the capacity from "
+                        f"{current_installed_capacity} to {new_installed_capacity}"
+                    )
+                    gsp_yield_sql.location.installed_capacity_mw = new_installed_capacity
 
             logger.debug(f"Found {len(gsp_yields_sql)} gsp yield for GSPs {gsp.gsp_id}")