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50 lines
1.6 KiB
50 lines
1.6 KiB
9 years ago
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# -*- coding: utf-8 -*-
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from __future__ import unicode_literals
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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.utils.encoding import python_2_unicode_compatible
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from django.utils.text import slugify
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from django.utils.translation import ugettext_lazy as _
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from ..storages import ProtectedMediaAssetStorage
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# TODO Define the central storage somewhere more central
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originals_storage = ProtectedMediaAssetStorage()
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# TODO Move this to special FileField class
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def get_upload_path(instance, filename):
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"""
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Returns /<uuid_hex>/original/<slugified_filename.ext>
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where
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- uuid is taken from instance,
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- filename is slugified and shortened to a max length of 255 characters including the extension.
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"""
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MAX_LENGTH = 255
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name, ext = os.path.splitext(filename)
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name = slugify(name)
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name = name[:(MAX_LENGTH - len(ext))]
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filename = "%s%s" % (name, ext)
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return os.path.join(instance.get_uuid(), instance.storage.ORIGINAL_FILE_PREFIX, filename)
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@python_2_unicode_compatible
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class MediaAsset(models.Model):
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uuid_hex = models.CharField(max_length=32, null=False, editable=False)
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original_file = models.FileField(upload_to=get_upload_path,
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storage=originals_storage
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)
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name = models.CharField(_('name'), max_length=50)
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def __str__(self):
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return self.name
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# TODO Make auto-initialized UUID-field
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def get_uuid(self):
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if not self.uuid_hex:
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self.uuid_hex = uuid.uuid4().hex
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return uuid.UUID(self.uuid_hex)
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