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implement some more unique value and reference logic in as_operations

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Laura Klünder 2024-11-21 19:30:17 +01:00
parent ea7aaf4294
commit dbdd437c9b
1 changed files with 30 additions and 1 deletions
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31
src/c3nav/editor/changes.py
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@ -487,6 +487,33 @@ class ChangedObjectCollection(BaseSchema):
# if an object was created it's no longer missing
new_situation.missing_objects.get(new_operation.obj.model, set()).discard(new_operation.obj.id)
if isinstance(new_operation, UpdateObjectOperation):
occupied_unique_values = new_situation.occupied_unique_values.get(new_operation.obj.model, {})
relations_changed = set()
for field_name in new_operation.fields:
field = model_cls._meta.get_field(field_name)
if field.unique:
# unique field was changed? remove unique value entry [might be readded below]
occupied_unique_values[field_name] = {
val: pk for val, pk in occupied_unique_values[field_name].items()
if pk != new_operation.obj.model
}
if field.is_relation:
relations_changed.add(field_name)
# unique field was changed? remove unique value entry [might be readded below]
occupied_unique_values[field_name] = {
val: pk for val, pk in occupied_unique_values[field_name].items()
if pk != new_operation.obj.model
}
if relations_changed:
# relation field was changed? remove reference entry [might be readded below]
for model_name, references in tuple(new_situation.obj_references.items()):
new_situation.obj_references[model_name] = {
pk: ref for pk, ref in references.items()
if ref.obj != new_operation.obj or ref.field not in relations_changed
}
if isinstance(new_operation, DeleteObjectOperation):
# if an object was deleted it will now be missing
new_situation.missing_objects.get(new_operation.obj.model, set()).add(new_operation.obj.id)
@ -498,13 +525,15 @@ class ChangedObjectCollection(BaseSchema):
if pk != new_operation.obj.model}
# all references that came from it, will no longer exist
for model_name, references in tuple(new_situation.obj_references):
for model_name, references in tuple(new_situation.obj_references.items()):
new_situation.obj_references[model_name] = {
pk: ref for pk, ref in references.items()
if ref.obj != new_operation.obj
}
# todo: cascading…?
else:
pass # todo: add new unique values and references
# todo: ...to this