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add the keys of many to many #138

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add the keys of many to many #138

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8 changes: 8 additions & 0 deletions caching/invalidation.py
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Original file line number Diff line number Diff line change
Expand Up @@ -84,6 +84,14 @@ def invalidate_objects(self, objects, is_new_instance=False, model_cls=None):
if (config.CACHE_INVALIDATE_ON_CREATE == config.WHOLE_MODEL and
is_new_instance and model_cls and hasattr(model_cls, 'model_flush_key')):
flush_keys.append(model_cls.model_flush_key())
#add the keys of the related models if cached to flush in case of update
if (config.CACHE_INVALIDATE_ON_CREATE == config.WHOLE_MODEL and
not is_new_instance and model_cls and hasattr(model_cls, 'model_flush_key')):
flush_keys.append(model_cls.model_flush_key())
many_to_many_fields = [field for field in model_cls._meta.many_to_many if
hasattr(field.remote_field.model, 'model_flush_key')]
for k in many_to_many_fields:
flush_keys.append(k.remote_field.model.model_flush_key())
if not obj_keys or not flush_keys:
return
obj_keys, flush_keys = self.expand_flush_lists(obj_keys, flush_keys)
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