29 lines
637 B
Python
29 lines
637 B
Python
import graphene
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from graphene import relay
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from api.utils import get_object
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from books.models import Topic
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from books.schema.queries import TopicNode
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class UpdateLastTopic(relay.ClientIDMutation):
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class Input:
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# todo: use slug here too
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id = graphene.ID()
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topic = graphene.Field(TopicNode)
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@classmethod
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def mutate_and_get_payload(cls, root, info, **args):
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user = info.context.user
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id = args.get('id')
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topic = get_object(Topic, id)
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if not topic:
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raise Topic.DoesNotExist
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user.last_topic = topic
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user.save()
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return cls(topic=topic)
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