chunk_processing: add filename on chunk item

chunk_processing/components/splitter_json.py

@@ -12,6 +12,9 @@ class ChunkSplitterJson(Component):
     _name = "chunk.splitter.json"
     _usage = "json"
 
+    def _convert_items_to_data(self, items):
+        return json.dumps(items, indent=2).encode("utf-8")
+
     def _parse_data(self, data):
         items = json.loads(data.decode("utf-8"))
         for idx, item in enumerate(items):

chunk_processing/models/chunk_item.py

@@ -32,6 +32,13 @@ class ChunkItem(models.Model):
             ("failed", "Failed"),
         ]
     )
+    filename = fields.Char(compute="_compute_filename")
+
+    def _compute_filename(self):
+        for record in self:
+            record.filename = (
+                f"{record.start_idx}-{record.stop_idx}.{record.group_id.data_format}"
+            )
 
     def manual_run(self):
         """ Run the import without try/except, easier for debug """

chunk_processing/views/chunk_item_view.xml

@@ -23,7 +23,8 @@
             </header>
             <sheet>
                 <group>
-                    <field name="data" />
+                    <field name="data" filename="filename" />
+                    <field name="filename" invisible="1" />
                     <field name="start_idx" />
                     <field name="stop_idx" />
                     <field name="nbr_error" />