fix: remove background_image by sending -1

server/app/apis/competitions.py

@@ -54,7 +54,7 @@ class Competitions(Resource):
     def put(self, competition_id):
         args = competition_edit_parser.parse_args(strict=True)
         item = dbc.get.one(Competition, competition_id)
-        item = dbc.edit.default(item, **args)
+        item = dbc.edit.competition(item, **args)
 
         return item_response(schema.dump(item))
 

server/app/apis/slides.py

@@ -43,7 +43,7 @@ class Slides(Resource):
         args = slide_parser.parse_args(strict=True)
 
         item_slide = dbc.get.slide(competition_id, slide_id)
-        item_slide = dbc.edit.default(item_slide, **args)
+        item_slide = dbc.edit.slide(item_slide, **args)
 
         return item_response(schema.dump(item_slide))
 

server/app/database/controller/edit.py

@@ -51,3 +51,17 @@ def default(item, **kwargs):
     db.session.commit()
     db.session.refresh(item)
     return item
+
+
+def competition(item, **kwargs):
+    if kwargs["background_image_id"] == -1:
+        item.background_image_id = None
+        del kwargs["background_image_id"]
+    return default(item, **kwargs)
+
+
+def slide(item, **kwargs):
+    if kwargs["background_image_id"] == -1:
+        item.background_image_id = None
+        del kwargs["background_image_id"]
+    return default(item, **kwargs)
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