41 lines
1.4 KiB
Python
41 lines
1.4 KiB
Python
import wagtail.api.v2.serializers as wagtail_serializers
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from rest_framework.fields import SerializerMethodField
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from vbv_lernwelt.learnpath.utils import get_wagtail_type
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def get_it_serializer_class(model, field_names):
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return wagtail_serializers.get_serializer_class(model, field_names=field_names, meta_fields=[], base=ItBaseSerializer)
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class ItTypeField(wagtail_serializers.TypeField):
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def to_representation(self, obj):
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name = get_wagtail_type(obj)
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return name
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class ItBaseSerializer(wagtail_serializers.BaseSerializer):
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type = ItTypeField(read_only=True)
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children = SerializerMethodField()
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meta_fields = []
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def __init__(self, *args, **kwargs):
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self.descendants = kwargs.pop('descendants', None)
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super().__init__(*args, **kwargs)
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def get_children(self, obj):
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if self.descendants:
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children = _get_children(self.descendants, obj)
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return [c.specific.get_serializer_class()(c.specific, descendants=self.descendants).data for c in children]
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else:
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return [c.specific.get_serializer_class()(c.specific).data for c in obj.get_children().specific()]
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def _get_descendants(pages, obj):
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return [c for c in pages if c.path.startswith(obj.path) and c.depth >= obj.depth]
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def _get_children(pages, obj):
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return [c for c in pages if c.path.startswith(obj.path) and obj.depth + 1 == c.depth]
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