Add SoftDeleteModel, ActiveUndeleteManager; tests for same #130
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What are the relevant tickets?
Came up in mitodl/unified-ecommerce#31
Description (What does it do?)
Adds a SoftDeleteModel to the common library, so we can have soft deletions in a common spot. Adds a manager (ActiveUndeleteManager) so models that use the SoftDeleteModel can also optionally default to hiding items that have been deleted.
How can this be tested?
Automated tests should pass. Your model can inherit from SoftDeleteModel, and that should add an
is_active
flag to the model and override thedelete
function to set the flag to False. Your model can optionally also use theActiveUndeleteManager
so that items that are deleted (is_active == False
) are excluded from the queryset by default.