web: optimization

model/postgres_model.py

@@ -1,5 +1,6 @@
 import json
 import typing
+import datetime
 
 import psycopg2.extensions
 import psycopg2.extras
@@ -63,6 +64,20 @@ class PostgresModel(AbstractModel):
 
         logger.debug(f'Not cached result for {cache_key}')
 
+        if low_timestamp is None and high_timestamp is None and limit is None:
+            # let's apply an optimization: use yesterday's date as minimal date
+            high_timestamp = '3307-12-12'
+            low_timestamp = (datetime.date.today() - datetime.timedelta(days=1)).strftime('%Y-%m-%d')
+
+        if low_timestamp is None:
+            low_timestamp = '0001-01-01'
+
+        if high_timestamp is None:
+            high_timestamp = '3307-12-12'
+
+        if limit is None:
+            limit = 10
+
         with self.db.cursor(cursor_factory=psycopg2.extras.RealDictCursor) as cursor:
             cursor.execute(postgres_sql_requests.select_activity_pretty_names, {
                 'LB_type': utils.LeaderboardTypes(leaderboard_type.lower()).value,

web.py

@@ -38,9 +38,9 @@ class Activity:
         args_activity_changes = {
             'platform': platform,
             'leaderboard_type': leaderboard,
-            'limit': req.params.get('limit', 10),
+            'limit': req.params.get('limit', None),
-            'high_timestamp': req.params.get('before', '3307-12-12'),
+            'high_timestamp': req.params.get('before', None),
-            'low_timestamp': req.params.get('after', '0001-01-01')
+            'low_timestamp': req.params.get('after', None)
         }
 
         try: