def get_backlinks(environ, tiddler):
"""
Extract the current backlinks for this tiddler.
"""
from tiddlywebplugins.links.linksmanager import LinksManager
store = environ['tiddlyweb.store']
usersign = environ['tiddlyweb.usersign']
links_manager = LinksManager(environ)
links = links_manager.read_backlinks(tiddler)
back_tiddlers = []
def _is_readable(tiddler):
try:
bag = store.get(Bag(tiddler.bag))
bag.policy.allows(usersign, 'read')
return True
except (NoBagError, PermissionsError):
return False
for link in links:
container, title = link.split(':', 1)
tiddler = Tiddler(title, container)
if _is_readable(tiddler):
back_tiddlers.append(tiddler)
return back_tiddlers
def tiddler_put_hook(store, tiddler):
"""
Update the links database with data from this tiddler.
"""
links_manager = LinksManager(store.environ)
links_manager.delete_links(tiddler)
if _is_parseable(tiddler):
links_manager.update_database(tiddler)
def tiddler_change_hook(store, tiddler):
"""
Update the links database with data from this tiddler.
TODO: work with other renderable types, not just tiddlywiki text.
"""
links_manager = LinksManager(store.environ)
links_manager.delete_links(tiddler)
if not tiddler.type or tiddler.type == 'None':
links_manager.update_database(tiddler)
def refreshlinksdb(args):
"""Refresh the back and front links database."""
store = get_store(config)
links_manager = LinksManager(store.environ)
for bag in store.list_bags():
LOGGER.debug('updating links for tiddlers in bag: %s', bag.name)
for tiddler in store.list_bag_tiddlers(bag):
tiddler = store.get(tiddler) # we must get text
links_manager.delete_links(tiddler)
if _is_parseable(tiddler):
links_manager.update_database(tiddler)
def get_backlinks(environ, tiddler):
"""
Extract the current backlinks for this tiddler.
"""
store = environ['tiddlyweb.store']
usersign = environ['tiddlyweb.usersign']
links_manager = LinksManager(environ)
links = links_manager.read_backlinks(tiddler)
back_tiddlers = []
for link in links:
container, title = link.split(':', 1)
tiddler = Tiddler(title, container)
if _is_readable(store, usersign, tiddler):
back_tiddlers.append(tiddler)
return back_tiddlers
def tiddler_delete_hook(store, tiddler):
"""
Remove links data associated with deleted tiddler.
"""
links_manager = LinksManager(store.environ)
links_manager.delete_links(tiddler)