improving syncrecord functionality, now also for workout export

rowers/integrations/c2.py

@@ -1,5 +1,5 @@
-from .integrations import SyncIntegration, NoTokenError
-from rowers.models import User, Rower, Workout, TombStone, SyncRecord
+from .integrations import SyncIntegration, NoTokenError, create_or_update_syncrecord, get_known_ids
+from rowers.models import User, Rower, Workout, TombStone
 from django.db.utils import IntegrityError
 
 from rowingdata import rowingdata
@@ -360,15 +360,9 @@ class C2Integration(SyncIntegration):
 
     def get_workout(self, id, *args, **kwargs):
         _ = self.open()
+        r = self.rower
 
-        record = SyncRecord(
-            rower = self.rower,
-            c2id = id,
-        )
-        try:
-            record.save()
-        except IntegrityError:
-            return 0
+        record = create_or_update_syncrecord(r, None, c2id=id)
         
         _ = myqueue(queuehigh,
                     handle_c2_getworkout,
@@ -428,9 +422,7 @@ class C2Integration(SyncIntegration):
         workouts = []
         c2ids = [item['id'] for item in res.json()['data']]
 
-        knownc2ids = uniqify([
-            record.c2id for record in SyncRecord.objects.filter(rower=r)
-        ])
+        knownc2ids = get_known_ids(r, 'c2id')
         
         for item in res.json()['data']:
             d = item['distance']