89 lines
5.7 KiB
Python
89 lines
5.7 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 UploadedFileField
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from common.util.field_message import ErrMessage
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from dataset.models import File
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from django.utils.translation import gettext_lazy as _
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mime_types = {"html": "text/html", "htm": "text/html", "shtml": "text/html", "css": "text/css", "xml": "text/xml",
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"gif": "image/gif", "jpeg": "image/jpeg", "jpg": "image/jpeg", "js": "application/javascript",
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"atom": "application/atom+xml", "rss": "application/rss+xml", "mml": "text/mathml", "txt": "text/plain",
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"jad": "text/vnd.sun.j2me.app-descriptor", "wml": "text/vnd.wap.wml", "htc": "text/x-component",
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"avif": "image/avif", "png": "image/png", "svg": "image/svg+xml", "svgz": "image/svg+xml",
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"tif": "image/tiff", "tiff": "image/tiff", "wbmp": "image/vnd.wap.wbmp", "webp": "image/webp",
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"ico": "image/x-icon", "jng": "image/x-jng", "bmp": "image/x-ms-bmp", "woff": "font/woff",
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"woff2": "font/woff2", "jar": "application/java-archive", "war": "application/java-archive",
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"ear": "application/java-archive", "json": "application/json", "hqx": "application/mac-binhex40",
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"doc": "application/msword", "pdf": "application/pdf", "ps": "application/postscript",
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"eps": "application/postscript", "ai": "application/postscript", "rtf": "application/rtf",
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"m3u8": "application/vnd.apple.mpegurl", "kml": "application/vnd.google-earth.kml+xml",
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"kmz": "application/vnd.google-earth.kmz", "xls": "application/vnd.ms-excel",
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"eot": "application/vnd.ms-fontobject", "ppt": "application/vnd.ms-powerpoint",
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"odg": "application/vnd.oasis.opendocument.graphics",
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"odp": "application/vnd.oasis.opendocument.presentation",
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"ods": "application/vnd.oasis.opendocument.spreadsheet", "odt": "application/vnd.oasis.opendocument.text",
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"wmlc": "application/vnd.wap.wmlc", "wasm": "application/wasm", "7z": "application/x-7z-compressed",
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"cco": "application/x-cocoa", "jardiff": "application/x-java-archive-diff",
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"jnlp": "application/x-java-jnlp-file", "run": "application/x-makeself", "pl": "application/x-perl",
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"pm": "application/x-perl", "prc": "application/x-pilot", "pdb": "application/x-pilot",
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"rar": "application/x-rar-compressed", "rpm": "application/x-redhat-package-manager",
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"sea": "application/x-sea", "swf": "application/x-shockwave-flash", "sit": "application/x-stuffit",
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"tcl": "application/x-tcl", "tk": "application/x-tcl", "der": "application/x-x509-ca-cert",
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"pem": "application/x-x509-ca-cert", "crt": "application/x-x509-ca-cert",
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"xpi": "application/x-xpinstall", "xhtml": "application/xhtml+xml", "xspf": "application/xspf+xml",
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"zip": "application/zip", "bin": "application/octet-stream", "exe": "application/octet-stream",
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"dll": "application/octet-stream", "deb": "application/octet-stream", "dmg": "application/octet-stream",
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"iso": "application/octet-stream", "img": "application/octet-stream", "msi": "application/octet-stream",
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"msp": "application/octet-stream", "msm": "application/octet-stream", "mid": "audio/midi",
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"midi": "audio/midi", "kar": "audio/midi", "mp3": "audio/mpeg", "ogg": "audio/ogg", "m4a": "audio/x-m4a",
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"ra": "audio/x-realaudio", "3gpp": "video/3gpp", "3gp": "video/3gpp", "ts": "video/mp2t",
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"mp4": "video/mp4", "mpeg": "video/mpeg", "mpg": "video/mpeg", "mov": "video/quicktime",
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"webm": "video/webm", "flv": "video/x-flv", "m4v": "video/x-m4v", "mng": "video/x-mng",
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"asx": "video/x-ms-asf", "asf": "video/x-ms-asf", "wmv": "video/x-ms-wmv", "avi": "video/x-msvideo"}
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class FileSerializer(serializers.Serializer):
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file = UploadedFileField(required=True, error_messages=ErrMessage.image(_('file')))
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meta = serializers.JSONField(required=False)
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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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meta = self.data.get('meta')
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file_id = meta.get('file_id', uuid.uuid1())
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file = File(id=file_id, file_name=self.data.get('file').name, meta=meta)
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file.save(self.data.get('file').read())
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return f'/api/file/{file_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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file_id = self.data.get('id')
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file = QuerySet(File).filter(id=file_id).first()
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if file is None:
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raise NotFound404(404, _('File not found'))
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# 如果是音频文件，直接返回文件流
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file_type = file.file_name.split(".")[-1]
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if file_type in ['mp3', 'wav', 'ogg', 'aac']:
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return HttpResponse(file.get_byte(), status=200, headers={'Content-Type': f'audio/{file_type}',
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'Content-Disposition': 'attachment; filename="{}"'.format(
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file.file_name)})
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return HttpResponse(file.get_byte(), status=200,
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headers={'Content-Type': mime_types.get(file.file_name.split(".")[-1], 'text/plain')})
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