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119 lines
4.1 KiB
119 lines
4.1 KiB
from rest_framework import serializers
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from .models import Video
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class AbsoluteImageField(serializers.ImageField):
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def to_representation(self, value):
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if not value:
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return None
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request = self.context.get("request")
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url = value.url if hasattr(value, "url") else str(value)
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if request:
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return request.build_absolute_uri(url)
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return url
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class AbsoluteFileField(serializers.FileField):
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def to_representation(self, value):
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if not value:
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return None
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request = self.context.get("request")
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url = value.url if hasattr(value, "url") else str(value)
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if request:
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return request.build_absolute_uri(url)
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return url
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class AdminVideoListSerializer(serializers.ModelSerializer):
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thumbnail = AbsoluteImageField(required=False, allow_null=True)
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video_file = AbsoluteFileField(required=False, allow_null=True)
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class Meta:
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model = Video
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fields = [
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"id",
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"title",
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"slug",
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"thumbnail",
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"description",
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"video_type",
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"video_file",
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"video_url",
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"video_time",
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"status",
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"view_count",
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"created_at",
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"updated_at",
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]
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read_only_fields = ["id", "view_count", "created_at", "updated_at"]
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class AdminVideoDetailSerializer(serializers.ModelSerializer):
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thumbnail = AbsoluteImageField(required=False, allow_null=True)
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video_file = AbsoluteFileField(required=False, allow_null=True)
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remove_thumbnail = serializers.BooleanField(write_only=True, required=False, default=False)
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remove_video_file = serializers.BooleanField(write_only=True, required=False, default=False)
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class Meta:
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model = Video
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fields = [
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"id",
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"title",
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"slug",
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"thumbnail",
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"description",
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"video_type",
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"video_file",
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"video_url",
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"video_time",
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"status",
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"view_count",
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"created_at",
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"updated_at",
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"remove_thumbnail",
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"remove_video_file",
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]
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read_only_fields = ["id", "view_count", "created_at", "updated_at"]
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def validate(self, attrs):
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video_type = attrs.get("video_type", getattr(self.instance, "video_type", None))
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video_url = attrs.get("video_url", getattr(self.instance, "video_url", None))
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video_file = attrs.get("video_file", getattr(self.instance, "video_file", None))
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remove_video_file = attrs.get("remove_video_file", False)
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if video_type == Video.VedioTypeChoices.YOUTUBE_LINK and not video_url:
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raise serializers.ValidationError({
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"video_url": "This field is required when video type is link.",
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})
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if video_type == Video.VedioTypeChoices.VIDEO_FILE and not video_file and not getattr(self.instance, "video_file", None):
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raise serializers.ValidationError({
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"video_file": "This field is required when video type is file.",
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})
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if video_type == Video.VedioTypeChoices.VIDEO_FILE and remove_video_file and "video_file" not in attrs:
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raise serializers.ValidationError({
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"video_file": "Please upload a new file before removing the current one.",
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})
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return attrs
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def create(self, validated_data):
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validated_data.pop("remove_thumbnail", False)
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validated_data.pop("remove_video_file", False)
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return super().create(validated_data)
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def update(self, instance, validated_data):
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remove_thumbnail = validated_data.pop("remove_thumbnail", False)
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remove_video_file = validated_data.pop("remove_video_file", False)
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if remove_thumbnail and instance.thumbnail:
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instance.thumbnail.delete(save=False)
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instance.thumbnail = None
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if remove_video_file and instance.video_file:
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instance.video_file.delete(save=False)
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instance.video_file = None
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return super().update(instance, validated_data)
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