adding last seen date into the listing

crawler/1_dump_listings.py

@@ -1,7 +1,6 @@
 from rec.query import listing_query
 from rec.districts import get_districts
 import pathlib
-import json
 from data_access import Listing
 
 folder = pathlib.Path("data/rs/")
@@ -20,7 +19,7 @@ for district, locid in districts.items():
                 max_price=1000000,
                 location_id=locid,
                 page_size=500,
-                max_days_since_added=7,
+                max_days_since_added=None,
             )
         except Exception as e:
             print(e)
@@ -35,6 +34,5 @@ for district, locid in districts.items():
             identifier = property["identifier"]
 
             listing = Listing(identifier)
-            with open(listing.path_listing_json(), "w") as f:
-                json.dump(property, f)
+            listing.dump_listing(property)
     print()  # break line as we used end=, above.