68 lines
1.9 KiB
Python
68 lines
1.9 KiB
Python
import graphene
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from wagtail.models import Page
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from books.models import Module, Topic
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from books.schema.nodes import ModuleNode
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from graphene import relay
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from graphene_django import DjangoObjectType
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from graphene_django.filter import DjangoFilterConnectionField
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from notes.models import Highlight
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class NotFoundFailure:
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reason = "Not Found"
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class NotFound(graphene.ObjectType):
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reason = graphene.String()
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class TopicNode(DjangoObjectType):
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pk = graphene.Int()
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modules = graphene.List(graphene.NonNull("books.schema.nodes.ModuleNode"))
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highlights = graphene.List("notes.schema.HighlightNode")
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class Meta:
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model = Topic
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only_fields = [
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"slug",
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"title",
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"teaser",
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"description",
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"vimeo_id",
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"order",
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"instructions",
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]
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filter_fields = {
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"slug": ["exact", "icontains", "in"],
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"title": ["exact", "icontains", "in"],
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}
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interfaces = (relay.Node,)
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def resolve_pk(self, *args, **kwargs):
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return self.id
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def resolve_modules(self, *args, **kwargs):
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translations = self.get_translations()
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ids = list(self.get_child_ids())
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for translation in translations:
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ids += list(translation.get_child_ids())
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return Module.objects.filter(id__in=ids).live()
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@staticmethod
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def resolve_highlights(root: Topic, info, **kwargs):
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# todo: is this too expensive, query-wise?
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pages = Page.objects.live().descendant_of(root)
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return Highlight.objects.filter(user=info.context.user).filter(page__in=pages)
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class TopicOr404Node(graphene.Union):
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class Meta:
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types = (TopicNode, NotFound)
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@classmethod
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def resolve_type(cls, instance, info):
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if type(instance).__name__ == "Topic":
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return TopicNode
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return NotFound
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