2015-09-17 22:58:24 +02:00
|
|
|
|
from django.conf import settings
|
2013-02-16 16:19:20 +01:00
|
|
|
|
from django.db import models
|
2013-12-23 18:46:04 +01:00
|
|
|
|
from django.utils.translation import ugettext as _
|
2013-04-22 19:59:05 +02:00
|
|
|
|
from django.utils.translation import ugettext_lazy, ugettext_noop
|
2013-02-16 16:19:20 +01:00
|
|
|
|
|
2016-01-03 15:33:51 +01:00
|
|
|
|
from openslides.utils.search import user_name_helper
|
|
|
|
|
|
2015-09-17 22:58:24 +02:00
|
|
|
|
from ..utils.models import RESTModelMixin
|
2013-02-16 16:19:20 +01:00
|
|
|
|
|
|
|
|
|
|
2015-06-29 13:31:07 +02:00
|
|
|
|
class Mediafile(RESTModelMixin, models.Model):
|
2013-03-19 00:51:52 +01:00
|
|
|
|
"""
|
2013-02-16 16:19:20 +01:00
|
|
|
|
Class for uploaded files which can be delivered under a certain url.
|
|
|
|
|
"""
|
2014-10-11 14:34:49 +02:00
|
|
|
|
mediafile = models.FileField(upload_to='file', verbose_name=ugettext_lazy('File'))
|
2013-03-19 00:51:52 +01:00
|
|
|
|
"""
|
2013-02-16 16:19:20 +01:00
|
|
|
|
See https://docs.djangoproject.com/en/dev/ref/models/fields/#filefield
|
|
|
|
|
for more information.
|
|
|
|
|
"""
|
2013-03-19 00:51:52 +01:00
|
|
|
|
|
2015-09-06 14:12:34 +02:00
|
|
|
|
title = models.CharField(max_length=255, unique=True, blank=True, verbose_name=ugettext_lazy('Title'))
|
2013-02-16 16:19:20 +01:00
|
|
|
|
"""A string representing the title of the file."""
|
|
|
|
|
|
2015-09-17 22:58:24 +02:00
|
|
|
|
uploader = models.ForeignKey(settings.AUTH_USER_MODEL, null=True, blank=True, verbose_name=ugettext_lazy('Uploaded by'))
|
2014-10-11 14:34:49 +02:00
|
|
|
|
"""A user – the uploader of a file."""
|
2013-02-16 16:19:20 +01:00
|
|
|
|
|
|
|
|
|
timestamp = models.DateTimeField(auto_now_add=True)
|
|
|
|
|
"""A DateTimeField to save the upload date and time."""
|
|
|
|
|
|
|
|
|
|
class Meta:
|
2013-03-19 00:51:52 +01:00
|
|
|
|
"""
|
|
|
|
|
Meta class for the mediafile model.
|
|
|
|
|
"""
|
2013-02-16 16:19:20 +01:00
|
|
|
|
ordering = ['title']
|
2015-12-10 00:20:59 +01:00
|
|
|
|
default_permissions = ()
|
2013-02-16 16:19:20 +01:00
|
|
|
|
permissions = (
|
|
|
|
|
('can_see', ugettext_noop('Can see the list of files')),
|
|
|
|
|
('can_upload', ugettext_noop('Can upload files')),
|
|
|
|
|
('can_manage', ugettext_noop('Can manage files')),)
|
|
|
|
|
|
2014-08-16 09:25:18 +02:00
|
|
|
|
def __str__(self):
|
2013-03-19 00:51:52 +01:00
|
|
|
|
"""
|
|
|
|
|
Method for representation.
|
|
|
|
|
"""
|
2013-02-16 16:19:20 +01:00
|
|
|
|
return self.title
|
|
|
|
|
|
|
|
|
|
def get_filesize(self):
|
2013-03-19 00:51:52 +01:00
|
|
|
|
"""
|
2013-12-23 18:46:04 +01:00
|
|
|
|
Transforms bytes to kilobytes or megabytes. Returns the size as string.
|
2013-03-19 00:51:52 +01:00
|
|
|
|
"""
|
|
|
|
|
# TODO: Read http://stackoverflow.com/a/1094933 and think about it.
|
2013-12-23 18:46:04 +01:00
|
|
|
|
try:
|
|
|
|
|
size = self.mediafile.size
|
|
|
|
|
except OSError:
|
|
|
|
|
size_string = _('unknown')
|
2013-02-16 16:19:20 +01:00
|
|
|
|
else:
|
2013-12-23 18:46:04 +01:00
|
|
|
|
if size < 1024:
|
|
|
|
|
size_string = '< 1 kB'
|
|
|
|
|
elif size >= 1024 * 1024:
|
|
|
|
|
mB = size / 1024 / 1024
|
|
|
|
|
size_string = '%d MB' % mB
|
|
|
|
|
else:
|
|
|
|
|
kB = size / 1024
|
|
|
|
|
size_string = '%d kB' % kB
|
|
|
|
|
return size_string
|
2016-01-03 15:33:51 +01:00
|
|
|
|
|
|
|
|
|
def get_search_index_string(self):
|
|
|
|
|
"""
|
|
|
|
|
Returns a string that can be indexed for the search.
|
|
|
|
|
"""
|
|
|
|
|
return " ".join((
|
|
|
|
|
self.title,
|
|
|
|
|
user_name_helper(self.uploader)))
|