matthias/mayan-edms
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Added user configurable document checksumming

Browse Source
This commit is contained in:
Roberto Rosario
2011-02-04 13:09:43 -04:00
parent 68fea011f6
commit d80584d087
4 changed files with 25 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
apps/documents/models.py
View File

@@ -8,12 +8,13 @@ from django.conf import settings
from django.db import models
from django.template.defaultfilters import slugify
from django.utils.translation import ugettext_lazy as _
from dynamic_search.api import register
from documents.conf.settings import AVAILABLE_FUNCTIONS
from documents.conf.settings import FILESERVING_PATH
from documents.conf.settings import SLUGIFY_PATH
from documents.conf.settings import CHECKSUM_FUNCTION
if SLUGIFY_PATH == False:
#Do not slugify path or filenames and extensions
@@ -27,7 +28,7 @@ def get_filename_from_uuid(instance, filename, directory='documents'):
def populate_file_extension_and_mimetype(instance, filename):
# First populate the file extension and mimetype
instance.file_mimetype, encoding = mimetypes.guess_type(filename) or ""
instance.file_mimetype, encoding = mimetypes.guess_type(filename) or ''
filename, extension = os.path.splitext(filename)
instance.file_filename = filename
#remove prefix '.'
@@ -46,13 +47,14 @@ class Document(models.Model):
Inherit this model to customise document metadata, see BasicDocument for an example.
"""
document_type = models.ForeignKey(DocumentType, verbose_name=_(u'document type'))
file = models.FileField(upload_to=get_filename_from_uuid)#lambda i,f: 'documents/%s' % i.uuid)
file = models.FileField(upload_to=get_filename_from_uuid)
uuid = models.CharField(max_length=36, default=lambda:unicode(uuid.uuid4()), blank=True, editable=False)
file_mimetype = models.CharField(max_length=50, default="", editable=False)
file_filename = models.CharField(max_length=64, default="", editable=False)
file_extension = models.CharField(max_length=10, default="", editable=False)
date_added = models.DateTimeField("added", auto_now_add=True)
date_updated = models.DateTimeField("updated", auto_now=True)
file_mimetype = models.CharField(max_length=50, default='', editable=False)
file_filename = models.CharField(max_length=64, default='', editable=False)
file_extension = models.CharField(max_length=10, default='', editable=False)
date_added = models.DateTimeField(verbose_name=_(u'added'), auto_now_add=True)
date_updated = models.DateTimeField(verbose_name=_(u'updated'), auto_now=True)
checksum = models.TextField(blank=True, null=True, verbose_name=_(u'checksum'), editable=False)
class Meta:
verbose_name = _(u'document')
@@ -65,6 +67,15 @@ class Document(models.Model):
@models.permalink
def get_absolute_url(self):
return ('document_view', [self.id])
def update_checksum(self, save=True):
self.checksum = unicode(CHECKSUM_FUNCTION(self.file.read()))
if save:
self.save()
def save(self, *args, **kwargs):
self.update_checksum(save=False)
super(Document, self).save(*args, **kwargs)
def create_fs_links(self):
for metadata in self.documentmetadata_set.all():