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pagemodel.py
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pagemodel.py
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# -*- coding: utf-8 -*-
from django.utils.timezone import now
from os.path import join
from cms import constants
from cms.constants import PUBLISHER_STATE_DEFAULT, PUBLISHER_STATE_PENDING, PUBLISHER_STATE_DIRTY, TEMPLATE_INHERITANCE_MAGIC
from cms.exceptions import PublicIsUnmodifiable
from cms.models.managers import PageManager, PagePermissionsPermissionManager
from cms.models.metaclasses import PageMetaClass
from cms.models.placeholdermodel import Placeholder
from cms.models.pluginmodel import CMSPlugin
from cms.publisher.errors import MpttPublisherCantPublish
from cms.utils import i18n, page as page_utils
from cms.utils.compat import DJANGO_1_5
from cms.utils.compat.dj import force_unicode, python_2_unicode_compatible
from cms.utils.compat.metaclasses import with_metaclass
from cms.utils.conf import get_cms_setting
from cms.utils.copy_plugins import copy_plugins_to
from cms.utils.helpers import reversion_register
from django.contrib.sites.models import Site
from django.core.urlresolvers import reverse
from django.db import models
from django.db.models import Q
from django.shortcuts import get_object_or_404
from django.utils.translation import get_language, ugettext_lazy as _
from menus.menu_pool import menu_pool
from mptt.models import MPTTModel
@python_2_unicode_compatible
class Page(with_metaclass(PageMetaClass, MPTTModel)):
"""
A simple hierarchical page model
"""
LIMIT_VISIBILITY_IN_MENU_CHOICES = (
(1, _('for logged in users only')),
(2, _('for anonymous users only')),
)
template_choices = [(x, _(y)) for x, y in get_cms_setting('TEMPLATES')]
created_by = models.CharField(_("created by"), max_length=70, editable=False)
changed_by = models.CharField(_("changed by"), max_length=70, editable=False)
parent = models.ForeignKey('self', null=True, blank=True, related_name='children', db_index=True)
creation_date = models.DateTimeField(auto_now_add=True)
changed_date = models.DateTimeField(auto_now=True)
publication_date = models.DateTimeField(_("publication date"), null=True, blank=True, help_text=_(
'When the page should go live. Status must be "Published" for page to go live.'), db_index=True)
publication_end_date = models.DateTimeField(_("publication end date"), null=True, blank=True,
help_text=_('When to expire the page. Leave empty to never expire.'),
db_index=True)
in_navigation = models.BooleanField(_("in navigation"), default=True, db_index=True)
soft_root = models.BooleanField(_("soft root"), db_index=True, default=False,
help_text=_("All ancestors will not be displayed in the navigation"))
reverse_id = models.CharField(_("id"), max_length=40, db_index=True, blank=True, null=True, help_text=_(
"A unique identifier that is used with the page_url templatetag for linking to this page"))
navigation_extenders = models.CharField(_("attached menu"), max_length=80, db_index=True, blank=True, null=True)
template = models.CharField(_("template"), max_length=100, choices=template_choices,
help_text=_('The template used to render the content.'),
default=TEMPLATE_INHERITANCE_MAGIC)
site = models.ForeignKey(Site, help_text=_('The site the page is accessible at.'), verbose_name=_("site"),
related_name='djangocms_pages')
login_required = models.BooleanField(_("login required"), default=False)
limit_visibility_in_menu = models.SmallIntegerField(_("menu visibility"), default=None, null=True, blank=True,
choices=LIMIT_VISIBILITY_IN_MENU_CHOICES, db_index=True,
help_text=_("limit when this page is visible in the menu"))
is_home = models.BooleanField(editable=False, db_index=True, default=False)
application_urls = models.CharField(_('application'), max_length=200, blank=True, null=True, db_index=True)
application_namespace = models.CharField(_('application instance name'), max_length=200, blank=True, null=True)
level = models.PositiveIntegerField(db_index=True, editable=False)
lft = models.PositiveIntegerField(db_index=True, editable=False)
rght = models.PositiveIntegerField(db_index=True, editable=False)
tree_id = models.PositiveIntegerField(db_index=True, editable=False)
# Placeholders (plugins)
placeholders = models.ManyToManyField(Placeholder, editable=False)
# Publisher fields
publisher_is_draft = models.BooleanField(default=True, editable=False, db_index=True)
# This is misnamed - the one-to-one relation is populated on both ends
publisher_public = models.OneToOneField('self', related_name='publisher_draft', null=True, editable=False)
languages = models.CharField(max_length=255, editable=False, blank=True, null=True)
# If the draft is loaded from a reversion version save the revision id here.
revision_id = models.PositiveIntegerField(default=0, editable=False)
# Managers
objects = PageManager()
permissions = PagePermissionsPermissionManager()
class Meta:
permissions = (
('view_page', 'Can view page'),
('publish_page', 'Can publish page'),
)
unique_together = (("publisher_is_draft", "application_namespace"),)
verbose_name = _('page')
verbose_name_plural = _('pages')
ordering = ('tree_id', 'lft')
app_label = 'cms'
class PublisherMeta:
exclude_fields_append = ['id', 'publisher_is_draft', 'publisher_public',
'publisher_state', 'placeholders', 'lft', 'rght', 'tree_id',
'parent']
def __str__(self):
title = self.get_menu_title(fallback=True)
if title is None:
title = u""
return force_unicode(title)
def __repr__(self):
# This is needed to solve the infinite recursion when
# adding new pages.
return object.__repr__(self)
def is_dirty(self, language):
return self.get_publisher_state(language) == PUBLISHER_STATE_DIRTY
def get_absolute_url(self, language=None, fallback=True):
if self.is_home:
return reverse('pages-root')
path = self.get_path(language, fallback) or self.get_slug(language, fallback)
return reverse('pages-details-by-slug', kwargs={"slug": path})
def move_page(self, target, position='first-child'):
"""
Called from admin interface when page is moved. Should be used on
all the places which are changing page position. Used like an interface
to mptt, but after move is done page_moved signal is fired.
Note for issue #1166: url conflicts are handled by updated
check_title_slugs, overwrite_url on the moved page don't need any check
as it remains the same regardless of the page position in the tree
"""
# do not mark the page as dirty after page moves
self._publisher_keep_state = True
# readability counts :)
is_inherited_template = self.template == constants.TEMPLATE_INHERITANCE_MAGIC
# make sure move_page does not break when using INHERIT template
# and moving to a top level position
if (position in ('left', 'right') and not target.parent and is_inherited_template):
self.template = self.get_template()
self.move_to(target, position)
# fire signal
import cms.signals as cms_signals
cms_signals.page_moved.send(sender=Page, instance=self)
self.save() # always save the page after move, because of publisher
# check the slugs
page_utils.check_title_slugs(self)
# Make sure to update the slug and path of the target page.
page_utils.check_title_slugs(target)
if self.publisher_public_id:
# Ensure we have up to date mptt properties
public_page = Page.objects.get(pk=self.publisher_public_id)
# Ensure that the page is in the right position and save it
public_page = self._publisher_save_public(public_page)
cms_signals.page_moved.send(sender=Page, instance=public_page)
public_page.save()
page_utils.check_title_slugs(public_page)
def _copy_titles(self, target, language, published):
"""
Copy all the titles to a new page (which must have a pk).
:param target: The page where the new titles should be stored
"""
from .titlemodels import Title
old_titles = dict(target.title_set.filter(language=language).values_list('language', 'pk'))
for title in self.title_set.filter(language=language):
old_pk = title.pk
# If an old title exists, overwrite. Otherwise create new
title.pk = old_titles.pop(title.language, None)
title.page = target
title.publisher_is_draft = False
title.publisher_public_id = old_pk
if published:
title.publisher_state = PUBLISHER_STATE_DEFAULT
else:
title.publisher_state = PUBLISHER_STATE_PENDING
title.published = published
title._publisher_keep_state = True
title.save()
old_title = Title.objects.get(pk=old_pk)
old_title.publisher_public = title
old_title.publisher_state = title.publisher_state
old_title.published = True
old_title._publisher_keep_state = True
old_title.save()
if hasattr(self, 'title_cache'):
self.title_cache[language] = old_title
if old_titles:
Title.objects.filter(id__in=old_titles.values()).delete()
def _copy_contents(self, target, language):
"""
Copy all the plugins to a new page.
:param target: The page where the new content should be stored
"""
# TODO: Make this into a "graceful" copy instead of deleting and overwriting
# copy the placeholders (and plugins on those placeholders!)
from cms.plugin_pool import plugin_pool
plugin_pool.set_plugin_meta()
CMSPlugin.objects.filter(placeholder__page=target, language=language).delete()
for ph in self.placeholders.all():
plugins = ph.get_plugins_list(language)
try:
ph = target.placeholders.get(slot=ph.slot)
except Placeholder.DoesNotExist:
ph.pk = None # make a new instance
ph.save()
target.placeholders.add(ph)
# update the page copy
if plugins:
copy_plugins_to(plugins, ph)
def _copy_attributes(self, target):
"""
Copy all page data to the target. This excludes parent and other values
that are specific to an exact instance.
:param target: The Page to copy the attributes to
"""
target.publication_date = self.publication_date
target.publication_end_date = self.publication_end_date
target.in_navigation = self.in_navigation
target.login_required = self.login_required
target.limit_visibility_in_menu = self.limit_visibility_in_menu
target.soft_root = self.soft_root
target.reverse_id = self.reverse_id
target.navigation_extenders = self.navigation_extenders
target.application_urls = self.application_urls
target.application_namespace = self.application_namespace
target.template = self.template
target.site_id = self.site_id
def copy_page(self, target, site, position='first-child',
copy_permissions=True):
"""
Copy a page [ and all its descendants to a new location ]
Doesn't checks for add page permissions anymore, this is done in PageAdmin.
Note: public_copy was added in order to enable the creation of a copy
for creating the public page during the publish operation as it sets the
publisher_is_draft=False.
Note for issue #1166: when copying pages there is no need to check for
conflicting URLs as pages are copied unpublished.
"""
page_copy = None
pages = [self] + list(self.get_descendants().order_by('-rght'))
site_reverse_ids = Page.objects.filter(site=site, reverse_id__isnull=False).values_list('reverse_id', flat=True)
if target:
target.old_pk = -1
if position == "first-child":
tree = [target]
elif target.parent_id:
tree = [target.parent]
else:
tree = []
else:
tree = []
if tree:
tree[0].old_pk = tree[0].pk
first = True
# loop over all affected pages (self is included in descendants)
for page in pages:
titles = list(page.title_set.all())
# get all current placeholders (->plugins)
placeholders = list(page.placeholders.all())
origin_id = page.id
# create a copy of this page by setting pk = None (=new instance)
page.old_pk = page.pk
page.pk = None
page.level = None
page.rght = None
page.lft = None
page.tree_id = None
page.publisher_public_id = None
# only set reverse_id on standard copy
if page.reverse_id in site_reverse_ids:
page.reverse_id = None
if first:
first = False
if tree:
page.parent = tree[0]
else:
page.parent = None
page.insert_at(target, position)
else:
count = 1
found = False
for prnt in tree:
if prnt.old_pk == page.parent_id:
page.parent = prnt
tree = tree[0:count]
found = True
break
count += 1
if not found:
page.parent = None
tree.append(page)
page.site = site
page.save()
# copy permissions if necessary
if get_cms_setting('PERMISSION') and copy_permissions:
from cms.models.permissionmodels import PagePermission
for permission in PagePermission.objects.filter(page__id=origin_id):
permission.pk = None
permission.page = page
permission.save()
# copy titles of this page
draft_titles = {}
public_titles = []
for title in titles:
if title.publisher_is_draft:
title.pk = None # setting pk = None creates a new instance
title.page = page
if title.publisher_public_id:
draft_titles[title.publisher_public_id] = title
title.publisher_public = None
# create slug-copy for standard copy
title.published = False
title.slug = page_utils.get_available_slug(title)
title.save()
else:
public_titles.append(title)
for title in public_titles:
draft_title = draft_titles[title.pk]
title.pk = None # setting pk = None creates a new instance
title.page = page
title.slug = page_utils.get_available_slug(title)
title.publisher_public_id = draft_title.pk
title.save()
draft_title.publisher_public = title
draft_title.save()
# copy the placeholders (and plugins on those placeholders!)
for ph in placeholders:
plugins = ph.get_plugins_list()
try:
ph = page.placeholders.get(slot=ph.slot)
except Placeholder.DoesNotExist:
ph.pk = None # make a new instance
ph.save()
page.placeholders.add(ph)
# update the page copy
page_copy = page
if plugins:
copy_plugins_to(plugins, ph)
# invalidate the menu for this site
menu_pool.clear(site_id=site.pk)
return page_copy # return the page_copy or None
def save(self, no_signals=False, commit=True, **kwargs):
"""
Args:
commit: True if model should be really saved
"""
# delete template cache
if hasattr(self, '_template_cache'):
delattr(self, '_template_cache')
created = not bool(self.pk)
if self.reverse_id == "":
self.reverse_id = None
if self.application_namespace == "":
self.application_namespace = None
from cms.utils.permissions import _thread_locals
user = getattr(_thread_locals, "user", None)
if user:
self.changed_by = user.username
else:
self.changed_by = "script"
if created:
self.created_by = self.changed_by
if commit:
if no_signals: # ugly hack because of mptt
if DJANGO_1_5:
self.save_base(cls=self.__class__, **kwargs)
else:
self.save_base(**kwargs)
else:
super(Page, self).save(**kwargs)
def save_base(self, *args, **kwargs):
"""Overridden save_base. If an instance is draft, and was changed, mark
it as dirty.
Dirty flag is used for changed nodes identification when publish method
takes place. After current changes are published, state is set back to
PUBLISHER_STATE_DEFAULT (in publish method).
"""
keep_state = getattr(self, '_publisher_keep_state', None)
if self.publisher_is_draft and not keep_state:
self.title_set.all().update(publisher_state=PUBLISHER_STATE_DIRTY)
if keep_state:
delattr(self, '_publisher_keep_state')
if not DJANGO_1_5 and 'cls' in kwargs:
del (kwargs['cls'])
ret = super(Page, self).save_base(*args, **kwargs)
return ret
def is_published(self, language, force_reload=False):
from cms.models import Title
try:
return self.get_title_obj(language, False, force_reload=force_reload).published
except Title.DoesNotExist:
return False
def get_publisher_state(self, language):
from cms.models import Title
try:
return self.get_title_obj(language, False).publisher_state
except Title.DoesNotExist:
return None
def set_publisher_state(self, language, state, published=None):
title = self.title_set.get(language=language)
title.publisher_state = state
if not published is None:
title.published = published
title._publisher_keep_state = True
title.save()
if hasattr(self, 'title_cache') and language in self.title_cache:
self.title_cache[language].publisher_state = state
return title
def publish(self, language):
"""Overrides Publisher method, because there may be some descendants, which
are waiting for parent to publish, so publish them if possible.
:returns: True if page was successfully published.
"""
# Publish can only be called on draft pages
if not self.publisher_is_draft:
raise PublicIsUnmodifiable('The public instance cannot be published. Use draft.')
# publish, but only if all parents are published!!
published = None
if not self.pk:
self.save()
# be sure we have the newest data including mptt
p = Page.objects.get(pk=self.pk)
self.lft = p.lft
self.rght = p.rght
self.level = p.level
self.tree_id = p.tree_id
if self._publisher_can_publish():
if self.publisher_public_id:
# Ensure we have up to date mptt properties
public_page = Page.objects.get(pk=self.publisher_public_id)
else:
public_page = Page(created_by=self.created_by)
if not self.publication_date:
self.publication_date = now()
self._copy_attributes(public_page)
# we need to set relate this new public copy to its draft page (self)
public_page.publisher_public = self
public_page.publisher_is_draft = False
# Ensure that the page is in the right position and save it
public_page = self._publisher_save_public(public_page)
published = public_page.parent_id is None or public_page.parent.is_published(language)
if not public_page.pk:
public_page.save()
# The target page now has a pk, so can be used as a target
self._copy_titles(public_page, language, published)
self._copy_contents(public_page, language)
#trigger home update
public_page.save()
# invalidate the menu for this site
menu_pool.clear(site_id=self.site_id)
# taken from Publisher - copy_page needs to call self._publisher_save_public(copy) for mptt insertion
# insert_at() was maybe calling _create_tree_space() method, in this
# case may tree_id change, so we must update tree_id from db first
# before save
if getattr(self, 'tree_id', None):
me = self._default_manager.get(pk=self.pk)
self.tree_id = me.tree_id
self.publisher_public = public_page
published = True
else:
# Nothing left to do
pass
if not published:
self.set_publisher_state(language, PUBLISHER_STATE_PENDING, published=True)
self._publisher_keep_state = True
self.save()
# If we are publishing, this page might have become a "home" which
# would change the path
if self.is_home:
for title in self.title_set.all():
if title.path != '':
title._publisher_keep_state = True
title.save()
if not published:
# was not published, escape
return
# Check if there are some children which are waiting for parents to
# become published.
publish_set = self.get_descendants().filter(title_set__published=True,
title_set__language=language).select_related('publisher_public')
for page in publish_set:
if page.publisher_public:
if page.publisher_public.parent.is_published(language):
from cms.models import Title
public_title = Title.objects.get(page=page.publisher_public, language=language)
draft_title = Title.objects.get(page=page, language=language)
if not public_title.published:
public_title._publisher_keep_state = True
public_title.published = True
public_title.publisher_state = PUBLISHER_STATE_DEFAULT
public_title.save()
if draft_title.publisher_state == PUBLISHER_STATE_PENDING:
draft_title.publisher_state = PUBLISHER_STATE_DEFAULT
draft_title._publisher_keep_state = True
draft_title.save()
elif page.get_publisher_state(language) == PUBLISHER_STATE_PENDING:
page.publish(language)
# fire signal after publishing is done
import cms.signals as cms_signals
cms_signals.post_publish.send(sender=Page, instance=self, language=language)
return published
def unpublish(self, language):
"""
Removes this page from the public site
:returns: True if this page was successfully unpublished
"""
# Publish can only be called on draft pages
if not self.publisher_is_draft:
raise PublicIsUnmodifiable('The public instance cannot be unpublished. Use draft.')
# First, make sure we are in the correct state
title = self.title_set.get(language=language)
public_title = title.publisher_public
title.published = False
title.save()
if hasattr(self, 'title_cache'):
self.title_cache[language] = title
public_title.published = False
public_title.save()
public_page = self.publisher_public
public_placeholders = public_page.placeholders.all()
for pl in public_placeholders:
pl.cmsplugin_set.filter(language=language).delete()
public_page.save()
# trigger update home
self.save()
# Go through all children of our public instance
descendants = public_page.get_descendants()
for child in descendants:
child.set_publisher_state(language, PUBLISHER_STATE_PENDING, published=False)
draft = child.publisher_public
if draft and draft.is_published(language) and draft.get_publisher_state(
language) == PUBLISHER_STATE_DEFAULT:
draft.set_publisher_state(language, PUBLISHER_STATE_PENDING)
from cms.signals import post_unpublish
post_unpublish.send(sender=Page, instance=self, language=language)
return True
def revert(self, language):
"""Revert the draft version to the same state as the public version
"""
# Revert can only be called on draft pages
if not self.publisher_is_draft:
raise PublicIsUnmodifiable('The public instance cannot be reverted. Use draft.')
if not self.publisher_public:
raise PublicVersionNeeded('A public version of this page is needed')
public = self.publisher_public
public._copy_titles(self, language, public.is_published(language))
public._copy_contents(self, language)
public._copy_attributes(self)
self.title_set.filter(language=language).update(publisher_state=PUBLISHER_STATE_DEFAULT, published=True)
self.revision_id = 0
self._publisher_keep_state = True
self.save()
def get_draft_object(self):
if not self.publisher_is_draft:
return self.publisher_draft
return self
def get_public_object(self):
if not self.publisher_is_draft:
return self
return self.publisher_public
def get_languages(self):
if self.languages:
return sorted(self.languages.split(','))
else:
return []
def get_cached_ancestors(self, ascending=True):
if ascending:
if not hasattr(self, "ancestors_ascending"):
self.ancestors_ascending = list(self.get_ancestors(ascending))
return self.ancestors_ascending
else:
if not hasattr(self, "ancestors_descending"):
self.ancestors_descending = list(self.get_ancestors(ascending))
return self.ancestors_descending
# ## Title object access
def get_title_obj(self, language=None, fallback=True, version_id=None, force_reload=False):
"""Helper function for accessing wanted / current title.
If wanted title doesn't exists, EmptyTitle instance will be returned.
If fallback=False is used, titlemodels.Title.DoesNotExist will be raised
when a language does not exist.
"""
language = self._get_title_cache(language, fallback, version_id, force_reload)
if language in self.title_cache:
return self.title_cache[language]
from cms.models.titlemodels import EmptyTitle
return EmptyTitle(language)
def get_title_obj_attribute(self, attrname, language=None, fallback=True, version_id=None, force_reload=False):
"""Helper function for getting attribute or None from wanted/current title.
"""
try:
attribute = getattr(self.get_title_obj(
language, fallback, version_id, force_reload), attrname)
return attribute
except AttributeError:
return None
def get_path(self, language=None, fallback=True, version_id=None, force_reload=False):
"""
get the path of the page depending on the given language
"""
return self.get_title_obj_attribute("path", language, fallback, version_id, force_reload)
def get_slug(self, language=None, fallback=True, version_id=None, force_reload=False):
"""
get the slug of the page depending on the given language
"""
return self.get_title_obj_attribute("slug", language, fallback, version_id, force_reload)
def get_title(self, language=None, fallback=True, version_id=None, force_reload=False):
"""
get the title of the page depending on the given language
"""
return self.get_title_obj_attribute("title", language, fallback, version_id, force_reload)
def get_menu_title(self, language=None, fallback=True, version_id=None, force_reload=False):
"""
get the menu title of the page depending on the given language
"""
menu_title = self.get_title_obj_attribute("menu_title", language, fallback, version_id, force_reload)
if not menu_title:
return self.get_title(language, True, version_id, force_reload)
return menu_title
def get_changed_date(self, language=None, fallback=True, version_id=None, force_reload=False):
"""
get when this page was last updated
"""
return self.changed_date
def get_changed_by(self, language=None, fallback=True, version_id=None, force_reload=False):
"""
get user who last changed this page
"""
return self.changed_by
def get_page_title(self, language=None, fallback=True, version_id=None, force_reload=False):
"""
get the page title of the page depending on the given language
"""
page_title = self.get_title_obj_attribute("page_title", language, fallback, version_id, force_reload)
if not page_title:
return self.get_title(language, True, version_id, force_reload)
return page_title
def get_meta_description(self, language=None, fallback=True, version_id=None, force_reload=False):
"""
get content for the description meta tag for the page depending on the given language
"""
return self.get_title_obj_attribute("meta_description", language, fallback, version_id, force_reload)
def get_application_urls(self, language=None, fallback=True, version_id=None, force_reload=False):
"""
get application urls conf for application hook
"""
return self.application_urls
def get_redirect(self, language=None, fallback=True, version_id=None, force_reload=False):
"""
get redirect
"""
return self.get_title_obj_attribute("redirect", language, fallback, version_id, force_reload)
def _get_title_cache(self, language, fallback, version_id, force_reload):
if not language:
language = get_language()
load = False
if not hasattr(self, "title_cache") or force_reload:
load = True
self.title_cache = {}
elif not language in self.title_cache:
if fallback:
fallback_langs = i18n.get_fallback_languages(language)
for lang in fallback_langs:
if lang in self.title_cache:
return lang
load = True
if load:
from cms.models.titlemodels import Title
if version_id:
from reversion.models import Version
version = get_object_or_404(Version, pk=version_id)
revs = [related_version.object_version for related_version in version.revision.version_set.all()]
for rev in revs:
obj = rev.object
if obj.__class__ == Title:
self.title_cache[obj.language] = obj
else:
title = Title.objects.get_title(self, language, language_fallback=fallback)
if title:
self.title_cache[title.language] = title
language = title.language
return language
def get_template(self):
"""
get the template of this page if defined or if closer parent if
defined or DEFAULT_PAGE_TEMPLATE otherwise
"""
if hasattr(self, '_template_cache'):
return self._template_cache
template = None
if self.template:
if self.template != constants.TEMPLATE_INHERITANCE_MAGIC:
template = self.template
else:
try:
template = self.get_ancestors(ascending=True).exclude(
template=constants.TEMPLATE_INHERITANCE_MAGIC).values_list('template', flat=True)[0]
except IndexError:
pass
if not template:
template = get_cms_setting('TEMPLATES')[0][0]
self._template_cache = template
return template
def get_template_name(self):
"""
get the textual name (2nd parameter in get_cms_setting('TEMPLATES'))
of the template of this page or of the nearest
ancestor. failing to find that, return the name of the default template.
"""
template = self.get_template()
for t in get_cms_setting('TEMPLATES'):
if t[0] == template:
return t[1]
return _("default")
def has_view_permission(self, request):
from cms.models.permissionmodels import PagePermission, GlobalPagePermission
from cms.utils.plugins import current_site
if not self.publisher_is_draft:
return self.publisher_draft.has_view_permission(request)
# does any restriction exist?
# inherited and direct
is_restricted = PagePermission.objects.for_page(page=self).filter(can_view=True).exists()
if request.user.is_authenticated():
site = current_site(request)
global_perms_q = Q(can_view=True) & Q(
Q(sites__in=[site]) | Q(sites__isnull=True)
)
global_view_perms = GlobalPagePermission.objects.with_user(
request.user).filter(global_perms_q).exists()
# a global permission was given to the request's user
if global_view_perms:
return True
elif not is_restricted:
if ((get_cms_setting('PUBLIC_FOR') == 'all') or
(get_cms_setting('PUBLIC_FOR') == 'staff' and
request.user.is_staff)):
return True
# a restricted page and an authenticated user
elif is_restricted:
opts = self._meta
codename = '%s.view_%s' % (opts.app_label, opts.object_name.lower())
user_perm = request.user.has_perm(codename)
generic_perm = self.has_generic_permission(request, "view")
return (user_perm or generic_perm)
else:
#anonymous user
if is_restricted or not get_cms_setting('PUBLIC_FOR') == 'all':
# anyonymous user, page has restriction and global access is permitted
return False
else:
# anonymous user, no restriction saved in database
return True
# Authenticated user
# Django wide auth perms "can_view" or cms auth perms "can_view"
opts = self._meta
codename = '%s.view_%s' % (opts.app_label, opts.object_name.lower())
return (request.user.has_perm(codename) or
self.has_generic_permission(request, "view"))
def has_change_permission(self, request):
opts = self._meta
if request.user.is_superuser:
return True
return request.user.has_perm(opts.app_label + '.' + opts.get_change_permission()) and \
self.has_generic_permission(request, "change")
def has_delete_permission(self, request):
opts = self._meta
if request.user.is_superuser:
return True
return request.user.has_perm(opts.app_label + '.' + opts.get_delete_permission()) and \
self.has_generic_permission(request, "delete")
def has_publish_permission(self, request):
if request.user.is_superuser:
return True
opts = self._meta
return request.user.has_perm(opts.app_label + '.' + "publish_page") and \
self.has_generic_permission(request, "publish")
has_moderate_permission = has_publish_permission
def has_advanced_settings_permission(self, request):
return self.has_generic_permission(request, "advanced_settings")
def has_change_permissions_permission(self, request):
"""
Has user ability to change permissions for current page?
"""
return self.has_generic_permission(request, "change_permissions")
def has_add_permission(self, request):
"""
Has user ability to add page under current page?
"""
return self.has_generic_permission(request, "add")
def has_move_page_permission(self, request):
"""Has user ability to move current page?
"""
return self.has_generic_permission(request, "move_page")
def has_generic_permission(self, request, perm_type):
"""
Return true if the current user has permission on the page.
Return the string 'All' if the user has all rights.
"""
att_name = "permission_%s_cache" % perm_type
if not hasattr(self, "permission_user_cache") or not hasattr(self, att_name) \
or request.user.pk != self.permission_user_cache.pk:
from cms.utils.permissions import has_generic_permission
self.permission_user_cache = request.user
setattr(self, att_name, has_generic_permission(
self.id, request.user, perm_type, self.site_id))
if getattr(self, att_name):
self.permission_edit_cache = True
return getattr(self, att_name)
def get_media_path(self, filename):
"""
Returns path (relative to MEDIA_ROOT/MEDIA_URL) to directory for storing page-scope files.
This allows multiple pages to contain files with identical names without namespace issues.
Plugins such as Picture can use this method to initialise the 'upload_to' parameter for
File-based fields. For example:
image = models.ImageField(_("image"), upload_to=CMSPlugin.get_media_path)
where CMSPlugin.get_media_path calls self.page.get_media_path
This location can be customised using the CMS_PAGE_MEDIA_PATH setting
"""
return join(get_cms_setting('PAGE_MEDIA_PATH'), "%d" % self.id, filename)
def reload(self):
"""
Reload a page from the database
"""
return Page.objects.get(pk=self.pk)
def get_object_queryset(self):
"""Returns smart queryset depending on object type - draft / public
"""
qs = self.__class__.objects
return self.publisher_is_draft and qs.drafts() or qs.public().published()
def _publisher_can_publish(self):
"""Is parent of this object already published?
"""
if self.parent_id:
try:
return bool(self.parent.publisher_public_id)
except AttributeError:
raise MpttPublisherCantPublish
return True
def get_next_filtered_sibling(self, **filters):
"""Very similar to original mptt method, but adds support for filters.
Returns this model instance's next sibling in the tree, or
``None`` if it doesn't have a next sibling.
"""
opts = self._mptt_meta
if self.is_root_node():
filters.update({
'%s__isnull' % opts.parent_attr: True,
'%s__gt' % opts.tree_id_attr: getattr(self, opts.tree_id_attr),
})
else:
filters.update({
opts.parent_attr: getattr(self, '%s_id' % opts.parent_attr),
'%s__gt' % opts.left_attr: getattr(self, opts.right_attr),
})
# publisher stuff
filters.update({
'publisher_is_draft': self.publisher_is_draft
})
# multisite
filters.update({
'site__id': self.site_id
})
sibling = None
try:
sibling = self._tree_manager.filter(**filters)[0]
except IndexError:
pass
return sibling
def get_previous_filtered_sibling(self, **filters):
"""Very similar to original mptt method, but adds support for filters.
Returns this model instance's previous sibling in the tree, or
``None`` if it doesn't have a previous sibling.
"""
opts = self._mptt_meta
if self.is_root_node():
filters.update({
'%s__isnull' % opts.parent_attr: True,
'%s__lt' % opts.tree_id_attr: getattr(self, opts.tree_id_attr),
})
order_by = '-%s' % opts.tree_id_attr
else:
filters.update({
opts.parent_attr: getattr(self, '%s_id' % opts.parent_attr),
'%s__lt' % opts.right_attr: getattr(self, opts.left_attr),
})
order_by = '-%s' % opts.right_attr
# publisher stuff
filters.update({
'publisher_is_draft': self.publisher_is_draft
})
# multisite
filters.update({
'site__id': self.site_id
})
sibling = None
try: