Add get_latest_leaderboard

model/postgres_model.py

@@ -212,3 +212,29 @@ class PostgresModel(AbstractModel):
             cache.set(cache_key, json.dumps(result))
 
         return result
+
+    @errors_catcher
+    def get_latest_leaderboard(self, platform: str, leaderboard_type: str) -> list[dict]:
+        cache_key = f'latest_leaderboard_{platform}_{leaderboard_type}'
+        cached_result: typing.Union[str, None] = cache.get(cache_key)
+
+        if cached_result is not None:
+            logger.debug(f'Cached result for {cache_key}')
+            return json.loads(cached_result)
+
+        logger.debug(f'Not cached result for {cache_key}')
+
+        with self.db.cursor(cursor_factory=psycopg2.extras.RealDictCursor) as cursor:
+            cursor.execute(
+                postgres_sql_requests.select_latest_leaderboard,
+                {
+                    'platform': platform.upper(),
+                    'LB_type': leaderboard_type.lower()
+                }
+            )
+            result: list[dict] = cursor.fetchall()
+
+        if not cache.disabled:
+            cache.set(cache_key, json.dumps(result))
+
+        return result