feat(export): add API export system (#6878)

api/src/backend/tasks/utils.py

@@ -24,3 +24,27 @@ def get_next_execution_datetime(task_id: int, provider_id: str) -> datetime:
     )
 
     return current_scheduled_time + timedelta(**{interval.period: interval.every})
+
+
+def batched(iterable, batch_size):
+    """
+    Yield successive batches from an iterable.
+
+    Args:
+        iterable: An iterable source of items.
+        batch_size (int): The number of items per batch.
+
+    Yields:
+        tuple: A pair (batch, is_last_batch) where:
+            - batch (list): A list of items (with length equal to batch_size,
+              except possibly for the last batch).
+            - is_last_batch (bool): True if this is the final batch, False otherwise.
+    """
+    batch = []
+    for item in iterable:
+        batch.append(item)
+        if len(batch) == batch_size:
+            yield batch, False
+            batch = []
+
+    yield batch, True