Simplify and rename task recording decorator

aleksis/core/util/celery_progress.py

-import time
 from decimal import Decimal
+from functools import wraps
 from typing import Callable, Union
 
 from celery_progress.backend import PROGRESS_STATE, AbstractProgressRecorder
@@ -99,26 +99,15 @@ class ProgressRecorder(AbstractProgressRecorder):
         self.set_progress(self.current)
 
     @classmethod
-    def record(cls, orig: Callable):
-        """Decorate a function to use Celery and a progress recorder.
-
-        It wraps the function in a Celery task and calls its delay method when invoked.
-
-
-        Additionally, it adds the matching `ProgressRecorder` instance as first argument.
+    def recorded_task(cls, orig: Callable) -> app.Task:
+        """Create a Celery task that receives a ProgressRecorder.
 
+        Returns a Task object with a wrapper that passes the recorder instance
+        as the recorder keyword argument.
         """
+        @wraps(orig)
+        def _inject_recorder(task, *args, **kwargs):
+            recorder = ProgressRecorder(task)
+            return orig(*args, **kwargs, recorder=recorder)
 
-        def recorder_func(self, *args, **kwargs):
-
-            recorder = ProgressRecorder(self)
-            orig(recorder, *args, **kwargs)
-
-        var_name = f"{orig.__module__}.{orig.__name__}"
-
-        task = app.task(recorder_func, bind=True, name=var_name)
-
-        def wrapped(*args, **kwargs):
-            return task.delay(*args, **kwargs)
-
-        return wrapped
+        return app.task(_inject_recorder, bind=True)