edi_exchange_type_auto: create new record if former is pending

If the record has not been sent out yet for whatever reason
(job delayed, job failed, send failed, etc)
we still want to generate a new up to date record to be sent.

edi_exchange_type_auto/models/edi_auto_exchange_consumer_mixin.py

@@ -339,6 +339,7 @@ def _edi_auto_prepare_info(self, **kw):
         # TODO: serialize old_vals in case of relations
         return EDIAutoInfo(**kw)
 
+    # TODO: add tests
     def _edi_auto_handle(self, todo):
         """Handle automatic EDI actions to do.
 
@@ -363,11 +364,6 @@ def _edi_auto_handle(self, todo):
     def _edi_auto_handle_job_options(self, info):
         return {}
 
-    # TODO: Define job identity_key
-    # so that we don't create multiple records on multiple edits.
-    # This is tied to the problem of avoiding too many jobs to be created.
-    # For instance: how do we prevent to generate 10 exports
-    # when 10 sale order lines are updated one after each other?
     def _edi_auto_handle_generate(self, info_dict):
         msg = None
         info = EDIAutoInfo.from_dict(info_dict)
@@ -377,13 +373,16 @@ def _edi_auto_handle_generate(self, info_dict):
             target_record, exc_type
         )
         if not created:
+            # TODO: what if the file has to be updated?
             # Nothing to do. Return a nice msg for the job result.
-            msg = "Exchange record already exists."
+            msg = f"Exchange record already exists for type: {exc_type.code}"
+            _logger.debug(msg)
             return msg
         msg = (
             f"Exchange record {exchange_record.identifier} created. "
             f"Triggered by: {info.triggered_by}"
         )
+        _logger.debug(msg)
         # Trigger event on exchange record
         exchange_record._trigger_edi_event("auto_handle_generate", info=info)
         # Trigger event on current record
@@ -400,7 +399,14 @@ def _edi_auto_get_or_create_record(self, target_record, exchange_type):
             lambda x: not x.exchange_file
         )
         created = False
-        if not exchange_record:
+        # If the record has not been sent out yet for whatever reason
+        # (job delayed, job failed, send failed, etc)
+        # we still want to generate a new up to date record to be sent.
+        still_pending = exchange_record.edi_exchange_state in (
+            "output_pending",
+            "output_error_on_send",
+        )
+        if not exchange_record or still_pending:
             vals = exchange_record._exchange_child_record_values()
             vals["parent_id"] = parent.id
             # NOTE: to fully automatize this,