56 lines
2.0 KiB
Python
56 lines
2.0 KiB
Python
|
# -*- coding: utf-8 -*-
|
||
|
|
|
||
|
|
import os
|
||
|
|
|
||
|
|
from django.db import models # 基础模型
|
||
|
|
from django.utils.translation import ugettext_lazy as _ # 引入延迟加载方法，只有在视图渲染时该字段才会呈现出翻译值
|
||
|
|
from TimeConvert import TimeConvert as tc
|
||
|
|
|
||
|
|
class CreateUpdateMixin(models.Model):
|
||
|
|
"""模型创建和更新时间戳Mixin"""
|
||
|
|
status = models.BooleanField(_(u'状态'), default=True, help_text=u'状态', db_index=True) # 状态值, True和False
|
||
|
|
created_at = models.DateTimeField(_(u'创建时间'), auto_now_add=True, editable=True, help_text=_(u'创建时间')) # 创建时间
|
||
|
|
updated_at = models.DateTimeField(_(u'更新时间'), auto_now=True, editable=True, help_text=_(u'更新时间')) # 更新时间
|
||
|
|
|
||
|
|
class Meta:
|
||
|
|
abstract = True # 抽象类，只用作继承用，不会生成表
|
||
|
|
|
||
|
|
|
||
|
|
class MediaMixin(models.Model):
|
||
|
|
# 图片
|
||
|
|
image_url = models.CharField(_(u'图片链接'), max_length=255, blank=True, null=True, help_text=u'题目图片')
|
||
|
|
# 音频
|
||
|
|
audio_url = models.CharField(_(u'音频链接'), max_length=255, blank=True, null=True, help_text=u'题目音频')
|
||
|
|
audio_time = models.IntegerField(_(u'音频时长'), default=0, help_text=u'题目音频时长')
|
||
|
|
|
||
|
|
class Meta:
|
||
|
|
abstract = True
|
||
|
|
|
||
|
|
@property
|
||
|
|
def media(self):
|
||
|
|
return [
|
||
|
|
{
|
||
|
|
'type': 'image',
|
||
|
|
'image_url': self.image_url,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
'type': 'audio',
|
||
|
|
'audio_url': self.audio_url,
|
||
|
|
'audio_time': self.audio_time,
|
||
|
|
},
|
||
|
|
]
|
||
|
|
|
||
|
|
|
||
|
|
class ModelHelper(object):
|
||
|
|
def upload_path(self, instance, filename):
|
||
|
|
# file will be uploaded to MEDIA_ROOT/file/<ym>/<stamp>.<ext>
|
||
|
|
return '{ym}/{stamp}{ext}'.format(
|
||
|
|
ym=tc.local_string(format='%Y%m'),
|
||
|
|
stamp=tc.local_timestamp(ms=True),
|
||
|
|
ext=os.path.splitext(filename)[1].lower(),
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
__mh = ModelHelper()
|
||
|
|
upload_path = __mh.upload_path
|