| 66 | |
| 67 | |
| 68 | class FileSerializer(serializers.Serializer): |
| 69 | file = UploadedFileField(required=True, label=_('file')) |
| 70 | meta = serializers.JSONField(required=False, allow_null=True) |
| 71 | source_id = serializers.CharField( |
| 72 | required=False, allow_null=True, label=_('source id'), default=FileSourceType.TEMPORARY_120_MINUTE.value |
| 73 | ) |
| 74 | source_type = serializers.ChoiceField( |
| 75 | choices=FileSourceType.choices, required=False, allow_null=True, label=_('source type'), |
| 76 | default=FileSourceType.TEMPORARY_120_MINUTE |
| 77 | ) |
| 78 | |
| 79 | def upload(self, with_valid=True): |
| 80 | if with_valid: |
| 81 | self.is_valid(raise_exception=True) |
| 82 | meta = self.data.get('meta', None) |
| 83 | if not meta: |
| 84 | meta = {'debug': True} |
| 85 | file_id = meta.get('file_id', uuid.uuid7()) |
| 86 | file = File( |
| 87 | id=file_id, |
| 88 | file_name=self.data.get('file').name, |
| 89 | meta=meta, |
| 90 | source_id=self.data.get('source_id') or FileSourceType.TEMPORARY_120_MINUTE.value, |
| 91 | source_type=self.data.get('source_type') or FileSourceType.TEMPORARY_120_MINUTE |
| 92 | ) |
| 93 | file.save(self.data.get('file').read()) |
| 94 | return f'./oss/file/{file_id}' |
| 95 | |
| 96 | class Operate(serializers.Serializer): |
| 97 | id = serializers.UUIDField(required=True) |
| 98 | http_range = serializers.CharField( |
| 99 | required=False, allow_blank=True, allow_null=True, label=_('HTTP Range'), |
| 100 | help_text=_('HTTP Range header for partial content requests, e.g., "bytes=0-1023"') |
| 101 | ) |
| 102 | |
| 103 | def get(self, with_valid=True): |
| 104 | if with_valid: |
| 105 | self.is_valid(raise_exception=True) |
| 106 | file_id = self.data.get('id') |
| 107 | file = QuerySet(File).filter(id=file_id).first() |
| 108 | if file is None: |
| 109 | raise NotFound404(404, _('File not found')) |
| 110 | file_type = file.file_name.split(".")[-1].lower() |
| 111 | content_type = mime_types.get(file_type, 'application/octet-stream') |
| 112 | encoded_filename = urllib.parse.quote(file.file_name) |
| 113 | # 获取文件内容 |
| 114 | file_bytes = file.get_bytes() |
| 115 | file_size = len(file_bytes) |
| 116 | |
| 117 | response = None |
| 118 | if file_type in audio_types and self.data.get('http_range'): |
| 119 | response = self.handle_audio(file_size, file_bytes, content_type, encoded_filename) |
| 120 | if response: |
| 121 | return response |
| 122 | |
| 123 | # 对于非范围请求或其他类型文件，返回完整内容 |
| 124 | headers = { |
| 125 | 'Content-Type': content_type, |
no test coverage detected