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https://github.com/IRBorisov/ConceptPortal.git
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43 lines
1.7 KiB
Python
43 lines
1.7 KiB
Python
''' Models: Change propagation facade - managing all changes in OSS. '''
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from apps.library.models import LibraryItem
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from apps.rsform.models import Constituenta, RSForm
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from .ChangeManager import ChangeManager
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def _get_oss_hosts(item: LibraryItem) -> list[LibraryItem]:
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''' Get all hosts for LibraryItem. '''
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return list(LibraryItem.objects.filter(operations__result=item).only('pk'))
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class PropagationFacade:
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''' Change propagation API. '''
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@classmethod
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def after_create_cst(cls, new_cst: list[Constituenta], source: RSForm) -> None:
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''' Trigger cascade resolutions when new constituent is created. '''
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hosts = _get_oss_hosts(source.model)
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for host in hosts:
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ChangeManager(host).after_create_cst(new_cst, source)
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@classmethod
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def after_change_cst_type(cls, target: Constituenta, source: RSForm) -> None:
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''' Trigger cascade resolutions when constituenta type is changed. '''
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hosts = _get_oss_hosts(source.model)
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for host in hosts:
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ChangeManager(host).after_change_cst_type(target, source)
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@classmethod
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def after_update_cst(cls, target: Constituenta, data: dict, old_data: dict, source: RSForm) -> None:
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''' Trigger cascade resolutions when constituenta data is changed. '''
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hosts = _get_oss_hosts(source.model)
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for host in hosts:
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ChangeManager(host).after_update_cst(target, data, old_data, source)
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@classmethod
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def before_delete(cls, target: list[Constituenta], source: RSForm) -> None:
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''' Trigger cascade resolutions before constituents are deleted. '''
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hosts = _get_oss_hosts(source.model)
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for host in hosts:
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ChangeManager(host).before_delete(target, source)
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