blob: b219baf6d87831e09217f065d28e5bc2ff133853 [file] [log] [blame]
# Copyright 2016 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file or at
# https://developers.google.com/open-source/licenses/bsd
"""Helpers for showing alerts at the top of the page.
These alerts are then displayed by alerts.ezt.
"""
from __future__ import print_function
from __future__ import division
from __future__ import absolute_import
import time
from third_party import ezt
# Expiration time for special features of timestamped links.
# This is not for security, just for informational messages that
# make sense in the context of a user session, but that should
# not appear days later if the user follows a bookmarked link.
_LINK_EXPIRATION_SEC = 8
class AlertsView(object):
"""EZT object for showing alerts at the top of the page."""
def __init__(self, mr):
# Used to show message confirming item was updated
self.updated = mr.GetIntParam('updated')
# Used to show message confirming item was moved and the location of the new
# item.
self.moved_to_project = mr.GetParam('moved_to_project')
self.moved_to_id = mr.GetIntParam('moved_to_id')
self.moved = self.moved_to_project and self.moved_to_id
# Used to show message confirming item was copied and the location of the
# new item.
self.copied_from_id = mr.GetIntParam('copied_from_id')
self.copied_to_project = mr.GetParam('copied_to_project')
self.copied_to_id = mr.GetIntParam('copied_to_id')
self.copied = self.copied_to_project and self.copied_to_id
# Used to show message confirming items deleted
self.deleted = mr.GetParam('deleted')
# If present, we will show message confirming that data was saved
self.saved = mr.GetParam('saved')
link_generation_timestamp = mr.GetIntParam('ts', default_value=0)
now = int(time.time())
ts_links_are_valid = now - link_generation_timestamp < _LINK_EXPIRATION_SEC
show_alert = ts_links_are_valid and (
self.updated or self.moved or self.copied or self.deleted or self.saved)
self.show = ezt.boolean(show_alert)