def menu_entries_for_event(event):
from indico.core.plugins import plugin_engine
custom_menu_enabled = layout_settings.get(event, "use_custom_menu")
entries = MenuEntry.get_for_event(event) if custom_menu_enabled else []
signal_entries = get_menu_entries_from_signal()
cache_key = unicode(event.id)
plugin_hash = binascii.crc32(",".join(sorted(plugin_engine.get_active_plugins()))) & 0xFFFFFFFF
cache_version = "{}:{}".format(MaKaC.__version__, plugin_hash)
processed = entries and _cache.get(cache_key) == cache_version
if not processed:
# menu entries from signal
pos_gen = count(start=(entries[-1].position + 1) if entries else 0)
entry_names = {entry.name for entry in entries}
# Keeping only new entries from the signal
new_entry_names = signal_entries.viewkeys() - entry_names
# Mapping children data to their parent
children = defaultdict(list)
for name, data in signal_entries.iteritems():
if name in new_entry_names and data.parent is not None:
children[data.parent].append(data)
# Building the entries
new_entries = [
_build_menu_entry(event, custom_menu_enabled, data, next(pos_gen), children=children.get(data.name))
for (name, data) in sorted(signal_entries.iteritems(), key=lambda (name, data): _menu_entry_key(data))
if name in new_entry_names and data.parent is None
]
if custom_menu_enabled:
with db.tmp_session() as sess:
sess.add_all(new_entries)
try:
sess.commit()
except IntegrityError as e:
# If there are two parallel requests trying to insert a new menu
# item one of them will fail with an error due to the unique index.
# If the IntegrityError involves that index, we assume it's just the
# race condition and ignore it.
sess.rollback()
if "ix_uq_menu_entries_event_id_name" not in unicode(e.message):
raise
else:
_cache.set(cache_key, cache_version)
entries = MenuEntry.get_for_event(event)
else:
entries = new_entries
return entries
def run(self, new_event, cloners, shared_data):
for col in ('logo_metadata', 'logo', 'stylesheet_metadata', 'stylesheet'):
setattr(new_event, col, getattr(self.old_event, col))
layout_settings.set_multi(new_event, layout_settings.get_all(self.old_event, no_defaults=True))
if layout_settings.get(self.old_event, 'use_custom_menu'):
for menu_entry in MenuEntry.get_for_event(self.old_event):
self._copy_menu_entry(menu_entry, new_event)
db.session.flush()
def _build_menu(event):
"""Fetch the customizable menu data from the database."""
entries = MenuEntry.get_for_event(event)
if not entries:
# empty menu, just build the whole structure without checking
# for existing menu entries
if _rebuild_menu(event):
_set_menu_checked(event)
return MenuEntry.get_for_event(event)
elif _menu_needs_recheck(event):
# menu items found, but maybe something new has been added
if _check_menu(event):
_set_menu_checked(event)
# For some reason SQLAlchemy uses old data for the children
# relationships even when querying the entries again below.
# Expire them explicitly to avoid having to reload the page
# after missing menu items have been created.
for entry in entries:
db.session.expire(entry, ('children',))
return MenuEntry.get_for_event(event)
else:
# menu is assumed up to date
return entries
def _build_menu(event):
"""Fetch the customizable menu data from the database."""
entries = MenuEntry.get_for_event(event)
if not entries:
# empty menu, just build the whole structure without checking
# for existing menu entries
if _rebuild_menu(event):
_set_menu_checked(event)
return MenuEntry.get_for_event(event)
elif _menu_needs_recheck(event):
# menu items found, but maybe something new has been added
if _check_menu(event):
_set_menu_checked(event)
# For some reason SQLAlchemy uses old data for the children
# relationships even when querying the entries again below.
# Expire them explicitly to avoid having to reload the page
# after missing menu items have been created.
for entry in entries:
db.session.expire(entry, ('children',))
return MenuEntry.get_for_event(event)
else:
# menu is assumed up to date
return entries
def clone(self, new_event, options):
if self.event.getType() != 'conference':
# for meetings/lecture we want to keep the default timetable style in all cases
theme = layout_settings.get(self.event, 'timetable_theme')
if theme is not None:
layout_settings.set(new_event, 'timetable_theme', theme)
return
if 'layout' not in options:
return
for col in ('logo_metadata', 'logo', 'stylesheet_metadata', 'stylesheet'):
setattr(new_event.as_event, col, getattr(self.event.as_event, col))
layout_settings.set_multi(new_event, layout_settings.get_all(self.event, no_defaults=True))
if layout_settings.get(self.event, 'use_custom_menu'):
for menu_entry in MenuEntry.get_for_event(self.event):
self._copy_menu_entry(menu_entry, new_event, new_event.as_event.menu_entries)
db.session.flush()
def clone(self, new_event, options):
if self.event.getType() != 'conference':
# for meetings/lecture we want to keep the default timetable style in all cases
theme = layout_settings.get(self.event, 'timetable_theme')
if theme is not None:
layout_settings.set(new_event, 'timetable_theme', theme)
return
if 'layout' not in options:
return
for col in ('logo_metadata', 'logo', 'stylesheet_metadata',
'stylesheet'):
setattr(new_event.as_event, col, getattr(self.event.as_event, col))
layout_settings.set_multi(
new_event, layout_settings.get_all(self.event, no_defaults=True))
if layout_settings.get(self.event, 'use_custom_menu'):
for menu_entry in MenuEntry.get_for_event(self.event):
self._copy_menu_entry(menu_entry, new_event,
new_event.as_event.menu_entries)
db.session.flush()
def menu_entries_for_event(event):
from indico.core.plugins import plugin_engine
custom_menu_enabled = layout_settings.get(event, 'use_custom_menu')
entries = MenuEntry.get_for_event(event) if custom_menu_enabled else []
signal_entries = get_menu_entries_from_signal()
cache_key = unicode(event.id)
plugin_hash = crc32(','.join(sorted(plugin_engine.get_active_plugins())))
cache_version = '{}:{}'.format(MaKaC.__version__, plugin_hash)
processed = entries and _cache.get(cache_key) == cache_version
if not processed:
# menu entries from signal
pos_gen = count(start=(entries[-1].position + 1) if entries else 0)
entry_names = {entry.name for entry in entries}
# Keeping only new entries from the signal
new_entry_names = signal_entries.viewkeys() - entry_names
# Mapping children data to their parent
children = defaultdict(list)
for name, data in signal_entries.iteritems():
if name in new_entry_names and data.parent is not None:
children[data.parent].append(data)
# Building the entries
new_entries = [
_build_menu_entry(event,
custom_menu_enabled,
data,
next(pos_gen),
children=children.get(data.name))
for (
name,
data) in sorted(signal_entries.iteritems(),
key=lambda (name, data): _menu_entry_key(data))
if name in new_entry_names and data.parent is None
]
if custom_menu_enabled:
with db.tmp_session() as sess:
sess.add_all(new_entries)
try:
sess.commit()
except IntegrityError as e:
# If there are two parallel requests trying to insert a new menu
# item one of them will fail with an error due to the unique index.
# If the IntegrityError involves that index, we assume it's just the
# race condition and ignore it.
sess.rollback()
if 'ix_uq_menu_entries_event_id_name' not in unicode(
e.message):
raise
else:
_cache.set(cache_key, cache_version)
entries = MenuEntry.get_for_event(event)
else:
entries = new_entries
return entries
