| # Copyright 2016 The Chromium Authors. All rights reserved. |
| # Use of this source code is govered 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. |
| """ |
| |
| 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) |
