Update appStore/prep_data.py

appStore/prep_data.py

@@ -56,6 +56,14 @@ def process_giz_worldwide():
         'duration.project.end': 'end_year'
     })
     
+    # Convert end_year if it is stored as a numeric epoch (in ms) to "YYYY-MM-DD"
+    def convert_to_date(val):
+        if isinstance(val, (int, float)):
+            return datetime.utcfromtimestamp(val / 1000).strftime("%Y-%m-%d")
+        return val  # Already a string
+    
+    giz_df['end_year'] = giz_df['end_year'].apply(convert_to_date)
+    
     # Create an empty 'url' column as the new dataset has an empty URL
     giz_df['url'] = ''