def delete(self, user=None):
if not is_admin_user(user):
raise RuntimeError("Only admin can delete pages.")
self.update_content("", self.revision, None, user, force_update=False, dont_create_rev=True)
self.related_links = {}
self.modifier = None
self.updated_at = None
self.revision = 0
self.put()
keys = [r.key for r in self.revisions]
ndb.delete_multi(keys)
cache.del_titles()
def update_content(self, new_body, base_revision, comment, user=None, force_update=False):
if not force_update and self.body == new_body:
return False
# delete rendered body cache
cache.del_rendered_body(self.title)
# update body
old_md = self.metadata
new_md = WikiPage.parse_metadata(new_body)
# validate contents
if u'pub' in new_md and u'redirect' in new_md:
raise ValueError('You cannot use "pub" and "redirect" metadata at '
'the same time.')
if u'redirect' in new_md and len(WikiPage.remove_metadata(new_body).strip()) != 0:
raise ValueError('Page with "redirect" metadata cannot have a body '
'content.')
if u'read' in new_md and new_md['content-type'] != 'text/x-markdown':
raise ValueError('You cannot restrict read access of custom content-typed page.')
if self.revision < base_revision:
raise ValueError('Invalid revision number: %d' % base_revision)
# update model fields
if self.revision != base_revision:
# perform 3-way merge if needed
base = WikiPageRevision.query(WikiPageRevision.title == self.title, WikiPageRevision.revision == base_revision).get().body
merged = ''.join(Merge3(base, self.body, new_body).merge_lines())
self.body = merged
else:
self.body = new_body
self.modifier = user
self.description = self.make_description(200)
self.acl_read = new_md.get('read', '')
self.acl_write = new_md.get('write', '')
self.comment = comment
self.revision += 1
if not force_update:
self.updated_at = datetime.now()
# publish
pub_old = u'pub' in old_md
pub_new = u'pub' in new_md
pub_old_title = None
pub_new_title = None
if pub_old:
pub_old_title = old_md['pub']
if pub_new:
pub_new_title = new_md['pub']
if pub_old and pub_new and (pub_old_title != pub_new_title):
# if target page is changed
self._unpublish(save=False)
self._publish(title=pub_new_title, save=False)
else:
if pub_new:
self._publish(title=pub_new_title, save=False)
else:
self._unpublish(save=False)
# update related pages if it's first time
if self.revision == 1:
for _ in range(5):
self.update_related_links()
# update itemtype_path
self.itemtype_path = schema.get_itemtype_path(self.itemtype)
# update hashbangs
self.hashbangs = WikiPage.extract_hashbangs(self.rendered_body)
# save
self.put()
# create revision
rev_key = self._rev_key()
rev = WikiPageRevision(parent=rev_key, title=self.title, body=self.body,
created_at=self.updated_at, revision=self.revision,
comment=self.comment, modifier=self.modifier,
acl_read=self.acl_read, acl_write=self.acl_write)
rev.put()
# update inlinks and outlinks
old_redir = old_md.get('redirect')
new_redir = new_md.get('redirect')
self.update_links(old_redir, new_redir)
# invalidate cache
cache.del_yaml(self.title)
if self.revision == 1:
cache.del_titles()
return True
def update_content(self, new_body, base_revision, comment="", user=None, force_update=False, dont_create_rev=False):
if not force_update and self.body == new_body:
return False
# get old data amd metadata
old_md = self.metadata
old_data = self.data
# validate contents
## validate schema data
new_md = PageOperationMixin.parse_metadata(new_body)
try:
PageOperationMixin.parse_data(self.title, new_md["schema"], new_body)
except Exception:
raise ValueError("Invalid schema data")
## validate metadata
if u"pub" in new_md and u"redirect" in new_md:
raise ValueError('You cannot use "pub" and "redirect" metadata at ' "the same time.")
if u"redirect" in new_md and len(PageOperationMixin.remove_metadata(new_body).strip()) != 0:
raise ValueError('Page with "redirect" metadata cannot have a body ' "content.")
if u"read" in new_md and new_md["content-type"] != "text/x-markdown":
raise ValueError("You cannot restrict read access of custom content-typed page.")
## validate revision
if self.revision < base_revision:
raise ValueError("Invalid revision number: %d" % base_revision)
## validate ToC
if not TocGenerator(md.convert(new_body)).validate():
raise ValueError("Duplicate paths not allowed")
if self.revision != base_revision:
# perform 3-way merge if needed
base = (
WikiPageRevision.query(WikiPageRevision.title == self.title, WikiPageRevision.revision == base_revision)
.get()
.body
)
merged = "".join(Merge3(base, self.body, new_body).merge_lines())
conflicted = len(re.findall(PageOperationMixin.re_conflicted, merged)) > 0
if conflicted:
raise ConflictError("Conflicted", base, new_body, merged)
else:
new_body = merged
# delete rendered body, metadata, data cache
cache.del_rendered_body(self.title)
cache.del_hashbangs(self.title)
cache.del_metadata(self.title)
cache.del_data(self.title)
# update model fields
self.body = new_body
self.modifier = user
self.description = self.make_description(200)
self.acl_read = new_md.get("read", "")
self.acl_write = new_md.get("write", "")
self.comment = comment
if not dont_create_rev:
self.revision += 1
if not force_update:
self.updated_at = datetime.now()
# publish
pub_old = u"pub" in old_md
pub_new = u"pub" in new_md
pub_old_title = None
pub_new_title = None
if pub_old:
pub_old_title = old_md["pub"]
if pub_new:
pub_new_title = new_md["pub"]
if pub_old and pub_new and (pub_old_title != pub_new_title):
# if target page is changed
self._unpublish(save=False)
self._publish(title=pub_new_title, save=False)
else:
if pub_new:
self._publish(title=pub_new_title, save=False)
else:
self._unpublish(save=False)
# update itemtype_path
self.itemtype_path = schema.get_itemtype_path(new_md["schema"])
# save
self.put()
# create revision
if not dont_create_rev:
rev_key = self._rev_key()
rev = WikiPageRevision(
parent=rev_key,
title=self.title,
body=self.body,
created_at=self.updated_at,
revision=self.revision,
comment=self.comment,
modifier=self.modifier,
acl_read=self.acl_read,
acl_write=self.acl_write,
)
rev.put()
# deferred update schema data index
new_data = self.data
deferred.defer(self.rebuild_data_index_deferred, old_data, new_data)
# update inlinks and outlinks
old_redir = old_md.get("redirect")
new_redir = new_md.get("redirect")
self.update_links(old_redir, new_redir)
# delete config and tittle cache
if self.title == ".config":
cache.del_config()
if self.revision == 1:
cache.del_titles()
return True
