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referenced_objects should also source data from m2m_changes

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Laura Klünder 2024-11-22 20:53:22 +01:00
parent 8a9ab6396f
commit df83be216e
1 changed files with 10 additions and 0 deletions
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10
src/c3nav/editor/changes.py
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@ -319,6 +319,16 @@ class ChangedObjectCollection(BaseSchema):
elif isinstance(dependency, OperationDependencyNoProtectedReference):
deleted_existing_objects.setdefault(dependency.obj.model, set()).add(dependency.obj.id)
# references from m2m changes need also to be checked if they exist
for model_name, changed_objects in self.objects.items():
model = apps.get_model("mapdata", model_name)
# todo: how do we want m2m to work when it's cleared by the user but things were added in the meantime
for changed_obj in changed_objects.values():
for field_name, m2m_changes in changed_obj.m2m_changes.items():
referenced_objects.setdefault(
model._meta.get_field(field_name).related_model._meta.model_name, set()
).update(set(m2m_changes.added + m2m_changes.removed))
# let's find which objects that need to exist before actually exist
for model, ids in referenced_objects.items():
model_cls = apps.get_model('mapdata', model)