process times in courses properly

src/ptscrapper/scheduler.py

@@ -158,15 +158,21 @@ async def fetch_and_store_course(course_id: int, ts: datetime, client=None):
         recs = await fetch_course_posts(client, [course_id])
         # now do your I/O; catch+log only errors here
         for rec in recs:
-            rows = [
+            rows = []
+            for seq, stop in enumerate(rec.get("r", []), start=1):
+                # stop["t"] is like "1900-01-01 05:53:00"
+                # parse out the time portion
+                t = datetime.strptime(stop["t"], "%Y-%m-%d %H:%M:%S").time()
+                rows.append(
                     {
-                    "fetch_date": ts,
+                        "fetch_date": ts,  # UTC fetch timestamp
                         "course_id": rec["c"],
+                        "stop_seq": seq,  # preserve order!
                         "stop_id": stop["s"],
-                    "dep_time": stop["t"],
+                        "dep_time": t,  # real datetime.time
+                        "dep_zone": "Europe/Warsaw",
                     }
-                for stop in rec.get("r", [])
-            ]
+                )
             table = pa.Table.from_pylist(rows)
             write_course_posts(table, rec["c"], ts)
             record_course_fetched(rec["c"], ts)