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final base implementation for as_operations, time to test

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Laura Klünder 2024-11-21 20:51:28 +01:00
parent 8f2997a4df
commit 820ccb134e
1 changed files with 23 additions and 13 deletions
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36
src/c3nav/editor/changes.py
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@ -446,7 +446,7 @@ class ChangedObjectCollection(BaseSchema):
dummy_unique_value_avoid.setdefault(
new_operation.obj.model, {}
)[field_name] = frozenset(
model_cls.objects.values_list(field_name, flat=True)
model_cls.objects.values_list(field_name.attname, flat=True)
) | unique_values_needed.get(new_operation.obj.model, {}).get(field_name, set())
choices = (
@ -492,7 +492,7 @@ class ChangedObjectCollection(BaseSchema):
raise NotImplementedError
new_operation.fields[field_name] = new_val
# construct new situation
# construct new situation # todo: merge create operations one day
new_situation = situation.model_copy(deep=True)
new_situation.remaining_operations_with_dependencies.pop(i)
new_situation.operations.append(new_operation)
@ -511,8 +511,6 @@ class ChangedObjectCollection(BaseSchema):
# we already reached this situation with the same or less amount of operations
continue
# todo: finish this...
# todo: don't forget nullable references and unique values
if isinstance(new_operation, CreateObjectOperation):
@ -532,11 +530,6 @@ class ChangedObjectCollection(BaseSchema):
}
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]
@ -563,11 +556,28 @@ class ChangedObjectCollection(BaseSchema):
if ref.obj != new_operation.obj
}
# todo: cascading…?
# wwe ignore cascading for now
else:
pass # todo: add new unique values and references
# todo: ...to this
for field_name, value in new_operation.fields.items():
field = model_cls._meta.get_field(field_name)
if value is None:
continue
if field.unique:
# unique field was changed? add unique value entry
new_situation.occupied_unique_values.setdefault(
new_operation.obj.model, {}
).setdefault(field_name, {})[value] = new_operation.obj.id
if field.is_relation:
# relation field was changed? add foundobjectreference
new_situation.obj_references.setdefault(
field.related_model._meta.model_name, {}
).setdefault(value, set()).add(
FoundObjectReference(
obj=new_operation.obj,
field=field_name,
on_delete=field.on_delete.__name__,
)
)
# finally insert new situation
bisect.insort(open_situations, new_situation, key=lambda s: len(s.operations))