57 lines
1.8 KiB
Python
57 lines
1.8 KiB
Python
"""News app documents."""
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from django.conf import settings
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from django_elasticsearch_dsl import Document, Index, fields
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from search_indexes.utils import OBJECT_FIELD_PROPERTIES
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from news import models
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NewsIndex = Index(settings.ELASTICSEARCH_INDEX_NAMES.get(__name__, 'news'))
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NewsIndex.settings(number_of_shards=1, number_of_replicas=1)
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@NewsIndex.doc_type
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class NewsDocument(Document):
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"""News document."""
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news_type = fields.NestedField(properties={
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'id': fields.IntegerField(),
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'name': fields.KeywordField()
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})
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title = fields.ObjectField(properties=OBJECT_FIELD_PROPERTIES)
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subtitle = fields.ObjectField(properties=OBJECT_FIELD_PROPERTIES)
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description = fields.ObjectField(properties=OBJECT_FIELD_PROPERTIES)
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country = fields.NestedField(properties={
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'id': fields.IntegerField(),
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'code': fields.KeywordField()
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})
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web_url = fields.KeywordField(attr='web_url')
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class Django:
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model = models.News
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fields = (
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'id',
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'playlist',
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)
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related_models = [models.NewsType]
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def get_queryset(self):
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return super().get_queryset().published()
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def prepare_title(self, instance):
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return instance.title
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def prepare_subtitle(self, instance):
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return instance.subtitle
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def prepare_description(self, instance):
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return instance.description
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def get_instances_from_related(self, related_instance):
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"""If related_models is set, define how to retrieve the Car instance(s) from the related model.
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The related_models option should be used with caution because it can lead in the index
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to the updating of a lot of items.
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"""
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if isinstance(related_instance, models.NewsType):
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return related_instance.news_set.all()
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