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| 1 # Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 # Use of this source code is govered by a BSD-style |
| 3 # license that can be found in the LICENSE file or at |
| 4 # https://developers.google.com/open-source/licenses/bsd |
| 5 |
| 6 """Helpers for showing alerts at the top of the page. |
| 7 |
| 8 These alerts are then displayed by alerts.ezt. |
| 9 """ |
| 10 |
| 11 import time |
| 12 |
| 13 from third_party import ezt |
| 14 |
| 15 # Expiration time for special features of timestamped links. |
| 16 # This is not for security, just for informational messages that |
| 17 # make sense in the context of a user session, but that should |
| 18 # not appear days later if the user follows a bookmarked link. |
| 19 _LINK_EXPIRATION_SEC = 8 |
| 20 |
| 21 |
| 22 class AlertsView(object): |
| 23 """EZT object for showing alerts at the top of the page.""" |
| 24 |
| 25 def __init__(self, mr): |
| 26 # Used to show message confirming item was updated |
| 27 self.updated = mr.GetIntParam('updated') |
| 28 |
| 29 # Used to show message confirming item was moved and the location of the new |
| 30 # item. |
| 31 self.moved_to_project = mr.GetParam('moved_to_project') |
| 32 self.moved_to_id = mr.GetIntParam('moved_to_id') |
| 33 self.moved = self.moved_to_project and self.moved_to_id |
| 34 |
| 35 # Used to show message confirming item was copied and the location of the |
| 36 # new item. |
| 37 self.copied_from_id = mr.GetIntParam('copied_from_id') |
| 38 self.copied_to_project = mr.GetParam('copied_to_project') |
| 39 self.copied_to_id = mr.GetIntParam('copied_to_id') |
| 40 self.copied = self.copied_to_project and self.copied_to_id |
| 41 |
| 42 # Used to show message confirming items deleted |
| 43 self.deleted = mr.GetParam('deleted') |
| 44 |
| 45 # If present, we will show message confirming that data was saved |
| 46 self.saved = mr.GetParam('saved') |
| 47 |
| 48 link_generation_timestamp = mr.GetIntParam('ts', default_value=0) |
| 49 now = int(time.time()) |
| 50 ts_links_are_valid = now - link_generation_timestamp < _LINK_EXPIRATION_SEC |
| 51 |
| 52 show_alert = ts_links_are_valid and ( |
| 53 self.updated or self.moved or self.copied or self.deleted or self.saved) |
| 54 self.show = ezt.boolean(show_alert) |
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