adds get_ordering
method to GenericAPIView
#9186
Open
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Description
Following the pattern of e.g.
django.contrib.admin.ModelAdmin.get_fieldsets
, this PR adds an overrideable accessor to getviewset.ordering
in order to enable dynamic default orderings. An example of where this is useful is in the case of a SearchFilter which returns results ranked based on similarity, in which case the default ordering should be ignored/bypassed.