Source Code for Module ZenWidgets.PersistentMessage

 1  ########################################################################### 
 2  # 
 3  # This program is part of Zenoss Core, an open source monitoring platform. 
 4  # Copyright (C) 2007, Zenoss Inc. 
 5  # 
 6  # This program is free software; you can redistribute it and/or modify it 
 7  # under the terms of the GNU General Public License version 2 as published by 
 8  # the Free Software Foundation. 
 9  # 
10  # For complete information please visit: http://www.zenoss.com/oss/ 
11  # 
12  ########################################################################### 
13  __doc__ = """ 
14  This is in a separate module to prevent recursive import. 
15  """ 
16   
17  import time 
18  from zope.interface import implements 
19   
20  from Products.ZenModel.ZenModelRM import ZenModelRM 
21  from Products.ZenRelations.RelSchema import * 
22  from Products.ZenWidgets.interfaces import IMessage 
23  from Products.ZenWidgets.messaging import INFO 
24   
25 -class PersistentMessage(ZenModelRM): 
26      """ 
27      A single message. Messages are stored as relations on UserSettings and in 
28      the session object. 
29      """ 
30      implements(IMessage) 
31   
32      _relations = (("messageQueue", ToOne( 
33        ToManyCont, "Products.ZenModel.UserSettings.UserSettings", "messageQueue") 
34      ),) 
35   
36      title = None 
37      body = None 
38      timestamp = None 
39      priority = None 
40      _read = False 
41   
42 -    def __init__(self, id, title, body, priority=INFO, image=None): 
43          """ 
44          Initialization method. 
45   
46          @param title: The message title 
47          @type title: str 
48          @param body: The body of the message 
49          @type body: str 
50          @param priority: Message priority; one of INFO, WARNING, CRITICAL 
51          @type priority: int 
52          @param image: Optional URL of an image to be displayed in the message 
53          @type image: str 
54          """ 
55          super(PersistentMessage, self).__init__(id) 
56          self.title = title 
57          self.body = body 
58          self.priority = priority 
59          self.image = image 
60          self.timestamp = time.time() 
61   
62 -    def mark_as_read(self): 
63          """ 
64          Mark this message as read. 
65          """ 
66          self._read = True 
67   
68 -    def delete(self): 
69          """ 
70          Delete this message from the system. 
71          """ 
72          self.__primary_parent__._delObject(self.id) 
73