forked from erp-dev/erp
85 lines
2.2 KiB
Python
85 lines
2.2 KiB
Python
"""
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API v1 通用模型
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"""
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import os
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import uuid
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from django.db import models
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from django.contrib.auth import get_user_model
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from flower.common import ModelBase
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User = get_user_model()
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def upload_file_path(instance, filename):
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"""
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生成随机化的文件上传路径
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格式: uploads/YYYY/MM/DD/uuid.ext
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"""
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# 获取文件扩展名
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ext = os.path.splitext(filename)[1].lower()
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# 生成随机文件名
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random_filename = f"{uuid.uuid4().hex}{ext}"
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# 返回完整路径
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from datetime import datetime
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now = datetime.now()
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return f"uploads/{now.year}/{now.month:02d}/{now.day:02d}/{random_filename}"
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class UploadedFile(ModelBase):
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"""
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通用文件上传记录
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用于存储无法归类到具体业务的文件上传记录
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"""
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path = models.FileField(
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upload_to=upload_file_path,
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max_length=500,
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verbose_name='文件路径',
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help_text='文件存储路径，包含前缀、随机文件名和后缀'
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)
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owner = models.ForeignKey(
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User,
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on_delete=models.CASCADE,
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related_name='uploaded_files',
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verbose_name='上传者'
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)
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is_deleted = models.BooleanField(
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default=False,
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verbose_name='是否已删除',
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help_text='软删除标记'
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)
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original_filename = models.CharField(
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max_length=255,
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blank=True,
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verbose_name='原始文件名',
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help_text='用户上传时的原始文件名'
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)
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file_size = models.BigIntegerField(
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null=True,
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blank=True,
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verbose_name='文件大小(字节)'
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)
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content_type = models.CharField(
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max_length=100,
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blank=True,
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verbose_name='文件类型',
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help_text='MIME类型，如 image/jpeg'
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)
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class Meta:
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db_table = 'api_uploaded_file'
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verbose_name = '上传文件'
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verbose_name_plural = '上传文件'
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ordering = ['-created_at']
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def __str__(self):
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return f"{self.original_filename or self.path.name} (by {self.owner.username})"
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@property
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def file_url(self):
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"""获取文件访问URL"""
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if self.path:
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return self.path.url
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return None
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