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45 lines
1.5 KiB
Python
45 lines
1.5 KiB
Python
# coding=utf-8
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"""
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@project: maxkb
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@Author：虎
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@file： image_serializers.py
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@date：2024/4/22 16:36
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@desc:
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"""
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import uuid
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from django.db.models import QuerySet
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from django.http import HttpResponse
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from rest_framework import serializers
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from common.exception.app_exception import NotFound404
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from common.field.common import UploadedImageField
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from common.util.field_message import ErrMessage
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from dataset.models import Image
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class ImageSerializer(serializers.Serializer):
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image = UploadedImageField(required=True, error_messages=ErrMessage.image("图片"))
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def upload(self, with_valid=True):
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if with_valid:
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self.is_valid(raise_exception=True)
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image_id = uuid.uuid1()
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image = Image(id=image_id, image=self.data.get('image').read(), image_name=self.data.get('image').name)
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image.save()
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return f'/api/image/{image_id}'
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class Operate(serializers.Serializer):
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id = serializers.UUIDField(required=True)
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def get(self, with_valid=True):
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if with_valid:
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self.is_valid(raise_exception=True)
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image_id = self.data.get('id')
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image = QuerySet(Image).filter(id=image_id).first()
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if image is None:
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raise NotFound404(404, "不存在的图片")
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if image.image_name.endswith('.svg'):
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return HttpResponse(image.image, status=200, headers={'Content-Type': 'image/svg+xml'})
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return HttpResponse(image.image, status=200, headers={'Content-Type': 'image/png'})
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