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fix unique values with multi model inheritance in changesets

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Laura Klünder 2024-12-14 15:37:00 +00:00
parent 322817354a
commit 0f6d910eba
1 changed files with 19 additions and 17 deletions
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36
src/c3nav/editor/changes.py
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@ -19,6 +19,7 @@ from c3nav.editor.operations import DatabaseOperationCollection, CreateObjectOpe
DeleteObjectOperation, ClearManyToManyOperation, FieldValuesDict, ObjectReference, PreviousObjectCollection, \
DatabaseOperation, ObjectID, FieldName, ModelName, CreateMultipleObjectsOperation, UpdateManyToManyOperation
from c3nav.mapdata.fields import I18nField
from c3nav.mapdata.models import LocationSlug
class ChangedManyToMany(BaseSchema):
@ -374,7 +375,7 @@ class ChangedObjectCollection(BaseSchema):
)))
if field.unique:
dependencies.add(OperationDependencyUniqueValue(
model=model._meta.model_name,
model="locationslug" if issubclass(model, LocationSlug) else model._meta.model_name,
field=field_name,
value=value,
))
@ -496,9 +497,7 @@ class ChangedObjectCollection(BaseSchema):
pk = result.pop("id")
for field_name, value in result.items():
if value in fields[field_name]:
field_occupied_values = start_situation.occupied_unique_values[model].get(field_name, {})
if value in field_occupied_values:
field_occupied_values[value] = pk
start_situation.occupied_unique_values[model].setdefault(field_name, {})[value] = pk
# let's find which protected references to objects we want to delete have
potential_fields: dict[ModelName, dict[FieldName, dict[ModelName, set[ObjectID]]]] = {}
@ -606,6 +605,9 @@ class ChangedObjectCollection(BaseSchema):
new_remaining_operations.append(sub_op)
model_cls = apps.get_model('mapdata', new_operation.obj.model)
operation_model_name = ("locationslug"
if issubclass(model_cls, LocationSlug)
else new_operation.obj.model)
if isinstance(new_operation, (CreateObjectOperation, UpdateObjectOperation)):
couldnt_fill_dummy = False
for field_name, value in tuple(new_operation.fields.items()):
@ -623,18 +625,18 @@ class ChangedObjectCollection(BaseSchema):
if field.unique:
# if the field is unique we need to find a value that isn't occupied
# and, to be sure, that we haven't used as a dummyvalue before
if dummy_unique_value_avoid.get(new_operation.obj.model, {}).get(field_name) is None:
if dummy_unique_value_avoid.get(operation_model_name, {}).get(field_name) is None:
dummy_unique_value_avoid.setdefault(
new_operation.obj.model, {}
operation_model_name, {}
)[field_name] = frozenset(
model_cls.objects.values_list(field_name.attname, flat=True)
) | unique_values_needed.get(new_operation.obj.model, {}).get(field_name, set())
) | unique_values_needed.get(operation_model_name, {}).get(field_name, set())
choices = (
available_model_ids[field.related_model._meta.model_name] -
dummy_unique_value_avoid[new_operation.obj.model][field_name] -
dummy_unique_value_avoid[operation_model_name][field_name] -
set(val for val, id_ in situation.occupied_unique_values[
new_operation.obj.model
operation_model_name
][field_name].items() if id_ is not None)
)
else:
@ -646,16 +648,16 @@ class ChangedObjectCollection(BaseSchema):
else:
if field.unique:
# otherwise, an non-relational field needs a unique value
if dummy_unique_value_avoid.get(new_operation.obj.model, {}).get(field_name) is None:
if dummy_unique_value_avoid.get(operation_model_name, {}).get(field_name) is None:
dummy_unique_value_avoid.setdefault(
new_operation.obj.model, {}
operation_model_name, {}
)[field_name] = frozenset(
model_cls.objects.values_list(field_name, flat=True)
) | unique_values_needed.get(new_operation.obj.model, {}).get(field_name, set())
) | unique_values_needed.get(operation_model_name, {}).get(field_name, set())
occupied = (
dummy_unique_value_avoid[new_operation.obj.model][field_name] -
dummy_unique_value_avoid[operation_model_name][field_name] -
set(val for val, id_ in situation.occupied_unique_values[
new_operation.obj.model
operation_model_name
][field_name].items() if id_ is not None)
)
else:
@ -817,7 +819,7 @@ class ChangedObjectCollection(BaseSchema):
ended_situations.append(situation)
if not done_situation:
done_situation = max(ended_situations, key=lambda s: (len(s.operation_uuids), -len(s.operations)))
done_situation = max(ended_situations, key=lambda s: (len(s.operation_uids), -len(s.operations)))
# add m2m
for m2m_operation_with_dependencies in m2m_operations:
@ -827,8 +829,8 @@ class ChangedObjectCollection(BaseSchema):
done_situation.operations.append(m2m_operation_with_dependencies.operation)
for remaining_operation in done_situation.remaining_operations_with_dependencies:
model_cls = apps.get_model("mapdata", remaining_operation.main_op.obj.model)
obj = remaining_operation.main_op.obj
model_cls = apps.get_model("mapdata", remaining_operation.main_op.operation.obj.model)
obj = remaining_operation.main_op.operation.obj
problem_obj = problems.get_object(obj)
if done_situation.missing_objects.get(obj.model, {}).get(obj.id):
problem_obj.obj_does_not_exist = True