class WikiAttachment(models.Model):
snip = models.ForeignKey(WikiSnip, editable=False)
uploader = models.ForeignKey(User, editable=False)
uploaded = models.DateTimeField(editable=False)
fileupload = models.FileField(
ugettext_lazy('fileupload'),
upload_to=get_sph_setting('wiki_attachments_upload_to'))
description = models.TextField(ugettext_lazy('description'), blank=True)
def get_absolute_editurl(self):
return ('sphene.sphwiki.views.attachmentEdit', (), {
'groupName': self.snip.group.name,
'snipName': self.snip.name,
'attachmentId': self.id
})
get_absolute_editurl = sphpermalink(get_absolute_editurl)
def save(self, force_insert=False, force_update=False):
self.uploaded = datetime.today()
super(WikiAttachment, self).save(force_insert=force_insert,
force_update=force_update)
def __unicode__(self):
return self.fileupload.name
class BlockConfiguration(models.Model):
page_configuration = models.ForeignKey(PageConfiguration,
on_delete=models.CASCADE)
label = models.CharField(max_length=250,
blank=True,
help_text='Leave blank to use default label.')
block_name = models.CharField(max_length=250,
db_index=True,
choices=BlockChoices())
config_value = models.CharField(
max_length=250,
help_text="Used for configuration for very simple blocks.",
blank=True)
objects = BlockConfigurationManager()
def get_label(self):
if not self.label:
return self.get_block().label
return self.label
def get_block(self):
return blockregistry.get_block(self.block_name)
def get_absolute_edit_url(self):
return ('sphene.sphblockframework.views.edit_block_config', (), {
'block_config_id': self.id
})
get_absolute_edit_url = sphpermalink(get_absolute_edit_url)
class BlogPostExtension(models.Model):
"""
Extension to a forum post - but actually only applicable for
threads not posts.
"""
post = models.ForeignKey(Post, unique=True, on_delete=models.CASCADE)
# The status is basically just for usability ..
# It is just important that this info gets populated to the Posts 'is_hidden' attribute.
status = models.IntegerField(choices=BLOG_POST_STATUS_CHOICES)
slug = models.CharField(max_length=250, unique=True, db_index=True)
def get_tag_labels(self):
return tag_get_labels(self.post)
def get_absolute_url(self):
post = self.post
date = post.postdate
return (
'sphblog-show-thread',
(),
{
'groupName': post.category.group.name,
'category_slug': post.category.slug,
#'year': date.year,
#'month': date.month,
#'day': date.day,
'slug': self.slug,
})
get_absolute_url = sphpermalink(get_absolute_url)
class WikiSnipChange(models.Model):
snip = models.ForeignKey(WikiSnip)
editor = models.ForeignKey(User, null=True, blank=True)
edited = models.DateTimeField()
title = models.CharField(max_length=250, blank=True)
body = models.TextField()
message = models.TextField()
# Change type is a bit flag of:
# 1 = body changed
# 2 = title changed
# 4 = tags changed
# use the the methods: body_changed(), title_changed(), tags_changed()
# to check what has changed.
change_type = models.IntegerField()
changelog = (
(
'2007-04-08 00',
'alter',
'ALTER editor_id DROP NOT NULL',
),
(
'2008-03-23 00',
'alter',
'ADD title VARCHAR(250)',
),
(
'2008-03-23 01',
'update',
"SET title = ''",
),
(
'2008-03-23 02',
'alter',
'ALTER title SET NOT NULL',
),
(
'2008-03-23 03',
'alter',
'ADD change_type INTEGER',
),
(
'2008-03-23 04',
'update',
'SET change_type = 0',
),
(
'2008-03-23 05',
'alter',
'ALTER change_type SET NOT NULL',
),
)
def body_changed(self):
return self.change_type & 1
def title_changed(self):
return self.change_type & 2
def tags_changed(self):
return self.change_type & 4
def get_absolute_url(self):
return ('sphene.sphwiki.views.diff', (), {
'groupName': self.snip.group.name,
'snipName': self.snip.name,
'changeId': self.id
})
get_absolute_url = sphpermalink(get_absolute_url)
def get_absolute_editurl(self):
return sph_reverse('sphwiki_editversion',
kwargs={
'snipName': self.snip.name,
'versionId': self.id
})
class WikiSnip(models.Model):
name = models.CharField(ugettext_lazy('name'), max_length=250)
title = models.CharField(ugettext_lazy('title'),
max_length=250,
blank=True)
group = models.ForeignKey(Group)
body = models.TextField(ugettext_lazy('body'))
creator = models.ForeignKey(User,
related_name='wikisnip_created',
editable=False,
null=True,
blank=True)
created = models.DateTimeField(editable=False)
editor = models.ForeignKey(User,
related_name='wikisnip_edited',
editable=False,
null=True,
blank=True)
changed = models.DateTimeField(editable=False)
changelog = (
(
'2007-04-08 00',
'alter',
'ALTER creator_id DROP NOT NULL',
),
(
'2007-04-08 01',
'alter',
'ALTER editor_id DROP NOT NULL',
),
)
def render(self):
from sphene.sphwiki import wikimacros
return mark_safe(
sph_markdown(self.body,
extra_macros={
'attachmentlist':
wikimacros.AttachmentListMacro(snip=self, ),
'attachment':
wikimacros.AttachmentMacro(snip=self, ),
'img':
wikimacros.ImageMacro(),
'redirect':
wikimacros.RedirectMacro(),
}))
def get_title(self):
return self.title or self.name
def pdf_get_cachefile(self):
""" Returns the pathname to the cache file for this wiki snip. """
if not get_sph_setting('wiki_pdf_generation',
False) or not self.pdf_enabled():
raise Exception('PDF Generation not enabled by configuration.')
cachedir = get_sph_setting('wiki_pdf_generation_cachedir',
'/tmp/sct_pdf')
if not os.path.isdir(cachedir):
os.mkdir(cachedir)
filename = re.sub("[^A-Za-z0-9]", "_", self.name)
cachefile = os.path.join(cachedir, '%s_%d.pdf' % (filename, self.id))
return cachefile
def pdf_needs_regenerate(self):
""" Determines if the PDF cachefile needs to be regenerated. """
cachefile = self.pdf_get_cachefile()
if not os.path.isfile(cachefile):
return True
# Check if cache file is older than last modification of wiki snip.
modifytime = datetime.fromtimestamp(os.path.getmtime(cachefile))
if modifytime < self.changed:
return True
return False
def pdf_generate(self):
""" Generates the PDF for this snip and stores it into cachedir. """
cachefile = self.pdf_get_cachefile()
xmlfile = cachefile + '.xhtml'
snip_rendered_body = str(self.render(
)) # TODO do this in the model ? like the board post body ?
sctpath = hasattr(settings, 'LIB_PATH') and settings.LIB_PATH or '.'
#static_filepath = get_sph_setting( 'wiki_pdf_generation_static_filepath', os.path.join(sctpath, '..', 'static', 'sphene') )
static_filepath = settings.MEDIA_ROOT
snip_rendered_body = snip_rendered_body.replace(
'<img src="%(media_url)s' % \
{ 'media_url': settings.STATIC_URL },
'<img src="%s/' % static_filepath )
import codecs
xmlout = codecs.open(xmlfile, mode='w', encoding='utf-8')
xmlout.write('''
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>%(title)s</title>
</head>
<body>
<div id="header" class="pdf">
<div class="label">%(title)s</div>
</div>
<div id="footer" class="pdf">
Page
<pdf:pagenumber />
</div>
''' % {'title': self.title or self.name})
xmlout.write(snip_rendered_body)
xmlout.write('''
</body>
</html>
''')
xmlout.close()
command = get_sph_setting('wiki_pdf_generation_command')
os.system(command % {
'srcfile': xmlfile,
'destfile': cachefile,
})
if not os.path.isfile(cachefile):
raise Exception('Error while generating PDF.')
def pdf_get(self):
"""
Returns the pathname to the generated PDF. - If a regeneration is
necessary it is done.
Raises an Exception if anything goes wrong.
"""
if self.pdf_needs_regenerate():
self.pdf_generate()
cachefile = self.pdf_get_cachefile()
return cachefile
def pdf_enabled(self):
"""
Checks if PDF generation is 1. enabled and 2. the current user has
permission. (E.g. setting 'wiki_pdf_generation' to 'loggedin' would
only allow loggedin users to view PDF versions.)
This method is ment to be used in templates.
"""
setting = get_sph_setting('wiki_pdf_generation')
if setting == True:
return True
if setting == 'loggedin':
return get_current_user() and get_current_user().is_authenticated()
if setting == 'staff':
return get_current_user() and get_current_user().is_authenticated(
) and get_current_user().is_staff
return False
def save(self, force_insert=False, force_update=False):
if not self.id:
self.created = datetime.today()
self.creator = self.editor
self.changed = datetime.today()
super(WikiSnip, self).save(force_insert=force_insert,
force_update=force_update)
def __unicode__(self):
if not self.group: return self.name
return '%s (%s)' % (self.name, self.group.name)
def get_absolute_url(self):
return ('sphene.sphwiki.views.showSnip', (), {
'groupName': self.group.name,
'snipName': self.name
})
get_absolute_url = sphpermalink(get_absolute_url)
def get_absolute_editurl(self):
return ('sphene.sphwiki.views.editSnip', (), {
'groupName': self.group.name,
'snipName': self.name
})
get_absolute_editurl = sphpermalink(get_absolute_editurl)
def get_absolute_attachmenturl(self):
return ('sphene.sphwiki.views.attachment', (), {
'groupName': self.group.name,
'snipName': self.name
})
get_absolute_attachmenturl = sphpermalink(get_absolute_attachmenturl)
def get_absolute_create_attachmenturl(self):
return ('sphene.sphwiki.views.attachmentCreate', (), {
'groupName': self.group.name,
'snipName': self.name
})
get_absolute_create_attachmenturl = sphpermalink(
get_absolute_create_attachmenturl)
def get_absolute_historyurl(self):
return ('sphene.sphwiki.views.history', (), {
'groupName': self.group.name,
'snipName': self.name
})
get_absolute_historyurl = sphpermalink(get_absolute_historyurl)
def get_absolute_recentchangesurl(self):
return ('sphene.sphwiki.views.recentChanges', (), {
'groupName': self.group.name
})
get_absolute_recentchangesurl = sphpermalink(get_absolute_recentchangesurl)
def get_absolute_pdfurl(self):
return ('sphene.sphwiki.views.generatePDF', (), {
'groupName': self.group.name,
'snipName': self.name
})
get_absolute_pdfurl = sphpermalink(get_absolute_pdfurl)
def get_parent(self):
lastslash = len(self.name)
while lastslash != -1:
lastslash = self.name.rfind('/', 0, lastslash)
if lastslash == -1:
if self.name == 'ROOT': return None
name = 'ROOT'
else:
name = self.name[:lastslash]
try:
return WikiSnip.objects.get(
group=self.group,
name__exact=name,
)
except WikiSnip.DoesNotExist:
pass
return None
def get_snip_path(self):
path = self.name.split('/')
snip_path = []
lastsnip = None
for element in path:
if lastsnip is not None:
snipname = lastsnip + '/' + element
else:
snipname = element
try:
snip = WikiSnip.objects.get(
group=self.group,
name__exact=snipname,
)
except WikiSnip.DoesNotExist:
snip = None
snip_path.append({
'name': element,
'snip': snip,
})
lastsnip = snipname
return snip_path
def is_secured(self):
pref = self.get_wiki_preference()
return pref != None and pref.view > -1
def get_wiki_preference(self):
if hasattr(self, '_wiki_preference'): return self._wiki_preference
self._wiki_preference = self.__get_wiki_preference()
return self._wiki_preference
def __get_wiki_preference(self):
try:
return WikiPreference.objects.get(snip=self)
except WikiPreference.DoesNotExist:
parent = self.get_parent()
if parent == None:
return None
return parent.get_wiki_preference()
def __has_permission(self, user, pref, permission):
if permission == None or permission <= -1:
return True
if user == None or not user.is_authenticated():
return False
# Noone has permission ..
if permission >= 3: return False
if user.is_superuser or user.is_staff: return True
if permission == 0: return True
# if pref is None check for the group of the current snip.
if permission == 1 and pref == None and self.group.get_member(
user) != None:
return True
if permission == 1 and pref != None and pref.snip != None:
if pref.snip.group.get_member(user) != None: return True
return False
def has_edit_permission(self):
user = get_current_user()
pref = self.get_wiki_preference()
if pref == None:
# By default only members of the group are allowed to edit posts
# TODO don't hardcode this, but make it configurable ..
# (it actually is.. by creating a 'ROOT' wiki snip)
permission = 1
else:
permission = pref.edit
return self.__has_permission(user, pref, permission)
def has_view_permission(self):
user = get_current_user()
pref = self.get_wiki_preference()
return pref == None or self.__has_permission(user, pref, pref.view)
