70 lines
2.1 KiB
Python
70 lines
2.1 KiB
Python
"""Serializers for static asset API."""
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from rest_framework import serializers
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from django.core.files import storage
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from static_assets.models import License, StaticAsset
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import common.serializers
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class UploadSerializer(serializers.Serializer):
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"""Serialise payload of the Get upload URL endpoint."""
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original_filename = serializers.CharField(required=True)
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url = serializers.URLField(read_only=True)
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fields = serializers.DictField(read_only=True)
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def _validate_existing_storage_path(value: str) -> str:
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if not storage.default_storage.exists(value):
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raise serializers.ValidationError('Must point to an existing file')
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return value
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class LicenseSerializer(serializers.ModelSerializer):
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"""Serialiase License."""
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class Meta:
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model = License
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fields = '__all__'
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class StaticAssetSerializer(common.serializers.IdModelSerializer):
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"""Serialise StaticAsset."""
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class Meta:
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model = StaticAsset
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exclude = ['source_storage']
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writable_fields = (
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'author_id',
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'contributors_ids',
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'license_id',
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'source_path',
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'thumbnail_path',
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)
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raw_id_fields = ('author_id', 'contributors_ids')
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labels = {
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'author_id': 'Author ID',
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'contributors_ids': 'Contributors IDs',
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'license_id': 'License ID',
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}
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license_id = serializers.IntegerField(required=False)
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license = LicenseSerializer()
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source_path = serializers.CharField(
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source='source', help_text='Path to a source file that already exists in storage.',
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)
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thumbnail_path = serializers.CharField(
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source='thumbnail',
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required=False,
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help_text='Path to a thumbnail file that already exists in storage.',
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)
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def validate_source_path(self, value):
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"""Validate given source_path."""
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return _validate_existing_storage_path(value)
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def validate_thumbnail_path(self, value):
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"""Validate given thumbnail_path."""
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return _validate_existing_storage_path(value)
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