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7bf906a8fd
this also fixes the index on releases (since they are always ordered in the context of a particular project, this should be part of the index) See #146
48 lines
1.7 KiB
Python
48 lines
1.7 KiB
Python
from rest_framework import viewsets
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from rest_framework.exceptions import ValidationError
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from bugsink.api_pagination import AscDescCursorPagination
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from .models import Release
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from .serializers import ReleaseListSerializer, ReleaseDetailSerializer, ReleaseCreateSerializer
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class ReleasePagination(AscDescCursorPagination):
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# Cursor pagination requires an indexed, mostly-stable ordering field. We use `digest_order`: We require
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# ?project=<id> and have a composite (project_id, date_released) index, so ORDER BY date_released after filtering by
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# project is fast and cursor-stable. (also note that date_released generally comes in in-order).
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base_ordering = ("date_released",)
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page_size = 250
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default_direction = "desc"
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class ReleaseViewSet(viewsets.ModelViewSet):
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"""
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LIST requires: ?project=<id>
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Ordered by sort_epoch.
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CREATE allowed. DELETE potential TODO.
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"""
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queryset = Release.objects.all()
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serializer_class = ReleaseListSerializer
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http_method_names = ["get", "post", "head", "options"]
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pagination_class = ReleasePagination
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def filter_queryset(self, queryset):
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queryset = super().filter_queryset(queryset)
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if self.action != "list":
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return queryset
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query_params = self.request.query_params
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project_id = query_params.get("project")
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if not project_id:
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raise ValidationError({"project": ["This field is required."]})
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return queryset.filter(project=project_id)
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def get_serializer_class(self):
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if self.action == "create":
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return ReleaseCreateSerializer
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if self.action == "retrieve":
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return ReleaseDetailSerializer
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return ReleaseListSerializer
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