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comparison server_side/blog.py @ 10:c28a4840e1a8

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server: microblog resource
author Goffi <goffi@goffi.org>
date Fri, 25 Mar 2011 00:32:58 +0100
parents
children 513fe9bd0665
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9:c80b75bf2e91 10:c28a4840e1a8
1 #!/usr/bin/python
2 # -*- coding: utf-8 -*-
3
4 """
5 Libervia: a Salut à Toi frontend
6 Copyright (C) 2011 Jérôme Poisson (goffi@goffi.org)
7
8 This program is free software: you can redistribute it and/or modify
9 it under the terms of the GNU Affero General Public License as published by
10 the Free Software Foundation, either version 3 of the License, or
11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU Affero General Public License for more details.
17
18 You should have received a copy of the GNU Affero General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
20 """
21
22 from server_side.html_tools import sanitizeHtml
23 from twisted.internet import reactor, defer
24 from twisted.web import server
25 from twisted.web.resource import Resource
26 from twisted.words.protocols.jabber.jid import JID
27 from datetime import datetime
28
29 class MicroBlog(Resource):
30 isLeaf = True
31
32 ERROR_TEMPLATE = """
33 <html>
34 <head>
35 <title>MICROBLOG ERROR</title>
36 </head>
37 <body>
38 <h1 style='text-align: center; color: red;'>%s</h1>
39 </body>
40 </html>
41 """
42
43 def __init__(self,host):
44 self.host = host
45 Resource.__init__(self)
46 if not host.bridge.isConnected("libervia"): #FIXME: hard coded value for test
47 host.bridge.connect("libervia")
48
49 def render_GET(self, request):
50 if not request.postpath:
51 return MicroBlog.ERROR_TEMPLATE % "You must indicate a nickname"
52 else:
53 prof_requested = request.postpath[0]
54 #TODO: char check: only use alphanumerical chars + some extra(_,-,...) here
55 prof_found = self.host.bridge.getProfileName(prof_requested)
56 if not prof_found or prof_found=='libervia':
57 return MicroBlog.ERROR_TEMPLATE % "Invalid nickname"
58 else:
59 pub_jid=JID(self.host.bridge.getParamA('JabberID','Connection','value',prof_found))
60 d = defer.Deferred()
61 d.addCallbacks(self.render_html_blog, self.render_error_blog, [request, prof_found], None, [request, prof_found], None)
62 self.host.bridge.getLastMicroblogs(pub_jid.userhost(), 10, 'libervia', d.callback, d.errback)
63
64 return server.NOT_DONE_YET
65
66 def render_html_blog(self, mblog_data, request, profile):
67 user = sanitizeHtml(profile).encode('utf-8')
68 request.write("""
69 <html>
70 <head>
71 <link rel="stylesheet" type="text/css" href="../css/blog.css" />
72 <title>%(user)s's microblog</title>
73 </head>
74 <body>
75 <div class='mblog_title'>%(user)s</div>
76 """ % {'user':user})
77 for entry in mblog_data:
78 timestamp = float(entry.get('timestamp',0))
79 _datetime = datetime.fromtimestamp(timestamp)
80 request.write("<div class='mblog_content'><span class='mblog_timestamp'>%(date)s</span>%(content)s</div>" % {
81 'date':_datetime,
82 'content':sanitizeHtml(entry['content']).encode('utf-8')})
83 request.write('</body></html>')
84 request.finish()
85
86 def render_error_blog(self, error, request):
87 request.write(MicroBlog.ERROR_TEMPLATE % "Can't access requested data")
88 request.finish()