Resolve "Cron Job to clean database and galaxy"

Closes #15 (closed)

backend/analysis/management/commands/clear-sessions-history.py

@@ -30,11 +30,31 @@ class Command(BaseCommand):
             email=options["galaxyemail"],
             galaxy_instance=gi,
         ).first()
-        print(gu)
 
         histories = AnalysisHistory.objects.filter(
             analysis_owner=gu, session__expire_date__lt=datetime.now().astimezone()
         )
         for h in histories:
             print(f"Delete expire history {h.name} expired : {h.session.expire_date}")
-            h.delete()
+
+            try:
+                h.analysis_owner.obj_gi.histories.delete(id_=h.galaxy_id, purge=True)
+            except ConnectionError as e:
+                print(e)
+                raise e
+            else:
+                h.delete()
+
+        # clean orphan galaxy histories
+        histories = gu.obj_gi.gi.histories.get_histories()
+        histories_from_host = [
+            h for h in histories if settings.DF_HOSTNAME in h["tags"]
+        ]
+        for h in histories_from_host:
+            galaxy_id = h["id"]
+            # check if in database.
+            # if not, purge it
+            history = AnalysisHistory.objects.filter(galaxy_id=galaxy_id)
+            if not history.exists():
+                print(f"Delete orphan history {h['name']}.")
+                gu.obj_gi.gi.histories.delete_history(galaxy_id, purge=True)