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annotate src/server/blog.py @ 713:d75935e2b279

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browser_side (blog): do not fail when target server doesn't handle RSM
author souliane <souliane@mailoo.org>
date Wed, 15 Jul 2015 13:34:17 +0200
parents bf562fb9c273
children 29b84af2ff7b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #!/usr/bin/python
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2 # -*- coding: utf-8 -*-
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3
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4 # Libervia: a Salut à Toi frontend
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5 # Copyright (C) 2011, 2012, 2013, 2014, 2015 Jérôme Poisson <goffi@goffi.org>
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6 # Copyright (C) 2013, 2014, 2015 Adrien Cossa <souliane@mailoo.org>
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8 # This program is free software: you can redistribute it and/or modify
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9 # it under the terms of the GNU Affero General Public License as published by
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10 # the Free Software Foundation, either version 3 of the License, or
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11 # (at your option) any later version.
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13 # This program is distributed in the hope that it will be useful,
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14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 # GNU Affero General Public License for more details.
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18 # You should have received a copy of the GNU Affero General Public License
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19 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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21 from sat.core.i18n import _, D_
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22 from sat_frontends.tools.strings import addURLToText
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23 from sat.core.log import getLogger
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24 from django.conf.urls import url
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25 log = getLogger(__name__)
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27 from twisted.internet import defer
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28 from twisted.web import server
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29 from twisted.web.resource import Resource
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30 from twisted.words.protocols.jabber.jid import JID
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31 from jinja2 import Environment, PackageLoader
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32 from datetime import datetime
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33 from sys import path
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34 import uuid
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35 import re
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36 import os
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38 from libervia.server.html_tools import sanitizeHtml, convertNewLinesToXHTML
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39 from libervia.server.constants import Const as C
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42 class TemplateProcessor(object):
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43
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44 THEME = 'default'
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45
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46 def __init__(self, host):
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47 self.host = host
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48
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49 # add Libervia's themes directory to the python path
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50 path.append(os.path.dirname(os.path.normpath(self.host.themes_dir)))
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51 themes = os.path.basename(os.path.normpath(self.host.themes_dir))
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52 self.env = Environment(loader=PackageLoader(themes, self.THEME))
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53
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54 def useTemplate(self, request, tpl, data=None):
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55 root_url = '../' * len(request.postpath)
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56 theme_url = os.path.join(root_url, 'themes', self.THEME)
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58 data_ = {'images': os.path.join(theme_url, 'images'),
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59 'styles': os.path.join(theme_url, 'styles'),
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60 }
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61 if data:
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62 data_.update(data)
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64 template = self.env.get_template('%s.html' % tpl)
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65 return template.render(**data_).encode('utf-8')
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68 class MicroBlog(Resource, TemplateProcessor):
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69 isLeaf = True
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71 def __init__(self, host):
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72 self.host = host
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73 Resource.__init__(self)
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74 TemplateProcessor.__init__(self, host)
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75 self.host.bridge.register('entityDataUpdated', self.entityDataUpdatedCb)
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76 self.host.bridge.register('actionResult', self.actionResultCb) # FIXME: actionResult is to be removed
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77 self.avatars_cache = {}
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78 self.waiting_deferreds = {}
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79
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80 def entityDataUpdatedCb(self, entity_jid_s, key, value, dummy):
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81 """Retrieve the avatar we've been waiting for and fires the callback
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82 for self.getAvatar to return.
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83
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84 @param entity_jid_s (str): JID of the contact
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85 @param key (str): entity data key
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86 @param value (str): entity data value
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87 @param dummy (str): that would be C.SERVICE_PROFILE
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88 """
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89 if key != 'avatar':
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90 return
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91 entity_jid_s = entity_jid_s.lower()
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92 log.debug(_(u"Received a new avatar for entity %s") % entity_jid_s)
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93 avatar = C.AVATARS_DIR + value
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94 self.avatars_cache[entity_jid_s] = avatar
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95 try:
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96 self.waiting_deferreds[entity_jid_s][1].callback(avatar)
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97 del self.waiting_deferreds[entity_jid_s]
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98 except KeyError:
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99 pass
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100
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101 def actionResultCb(self, answer_type, action_id, data, dummy):
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102 """Fires the callback for self.getAvatar to return
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103
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104 @param answer_type (str): 'SUPPRESS' or another value that we would ignore
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105 @param action_id (str): the request ID
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106 @param data (dict): ignored
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107 @param dummy (str): that would be C.SERVICE_PROFILE
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108 """
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109 # FIXME: actionResult is to be removed. For now we use it to get notified
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110 # when the requested vCard hasn't been found. Replace with the new system.
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111 if answer_type != 'SUPPRESS':
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112 return
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113 try:
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114 entity_jid_s = [key for (key, value) in self.waiting_deferreds.items() if value[0] == action_id][0]
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115 except IndexError: # impossible to guess the entity
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116 return
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117 log.debug(_(u"Using default avatar for entity %s") % entity_jid_s)
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118 self.avatars_cache[entity_jid_s] = C.DEFAULT_AVATAR_URL
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119 self.waiting_deferreds[entity_jid_s][1].callback(C.DEFAULT_AVATAR_URL)
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120 del self.waiting_deferreds[entity_jid_s]
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121
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122 def getAvatar(self, profile):
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123 """Get the avatar of the given profile
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124
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125 @param profile(unicode): %(doc_profile)s
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126 @return: deferred avatar path, relative to the server's root
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souliane <souliane@mailoo.org>
parents: 481
diff changeset
127 """
487
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souliane <souliane@mailoo.org>
parents: 484
diff changeset
128 jid_s = (profile + '@' + self.host.bridge.getNewAccountDomain()).lower()
484
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souliane <souliane@mailoo.org>
parents: 483
diff changeset
129 if jid_s in self.avatars_cache:
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parents: 483
diff changeset
130 return defer.succeed(self.avatars_cache[jid_s])
712
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souliane <souliane@mailoo.org>
parents: 708
diff changeset
131 # FIXME: request_id is no more needed when actionResult is removed
483
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parents: 481
diff changeset
132 request_id = self.host.bridge.getCard(jid_s, C.SERVICE_PROFILE)
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souliane <souliane@mailoo.org>
parents: 481
diff changeset
133 self.waiting_deferreds[jid_s] = (request_id, defer.Deferred())
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souliane <souliane@mailoo.org>
parents: 481
diff changeset
134 return self.waiting_deferreds[jid_s][1]
10
c28a4840e1a8 server: microblog resource
Goffi <goffi@goffi.org>
parents:
diff changeset
135
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Goffi <goffi@goffi.org>
parents:
diff changeset
136 def render_GET(self, request):
c28a4840e1a8 server: microblog resource
Goffi <goffi@goffi.org>
parents:
diff changeset
137 if not request.postpath:
712
bf562fb9c273 server_side: use Jinja2 template engine for static blog
souliane <souliane@mailoo.org>
parents: 708
diff changeset
138 return self.useTemplate(request, "static_blog_error", {'message': "You must indicate a nickname"})
704
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parents: 702
diff changeset
139
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
140 prof_requested = request.postpath[0]
712
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souliane <souliane@mailoo.org>
parents: 708
diff changeset
141 #TODO : char check: only use alphanumeric chars + some extra(_,-,...) here
704
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parents: 702
diff changeset
142 prof_found = self.host.bridge.getProfileName(prof_requested)
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
143 if not prof_found or prof_found == C.SERVICE_PROFILE:
712
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souliane <souliane@mailoo.org>
parents: 708
diff changeset
144 return self.useTemplate(request, "static_blog_error", {'message': "Invalid nickname"})
704
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
145
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
146 d = defer.Deferred()
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
147 JID(self.host.bridge.asyncGetParamA('JabberID', 'Connection', 'value', C.SERVER_SECURITY_LIMIT, prof_found, callback=d.callback, errback=d.errback))
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
148 d.addCallbacks(lambda pub_jid_s: self.gotJID(pub_jid_s, request, prof_found))
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
149 return server.NOT_DONE_YET
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
150
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
151 def gotJID(self, pub_jid_s, request, profile):
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
152 pub_jid = JID(pub_jid_s)
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souliane <souliane@mailoo.org>
parents: 702
diff changeset
153 d = defer.Deferred()
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
154
708
e9a6cbb924e6 server_side: fixes static blog navigation links
souliane <souliane@mailoo.org>
parents: 705
diff changeset
155 self.parseURLParams(request)
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souliane <souliane@mailoo.org>
parents: 705
diff changeset
156 item_id, rsm_ = request.item_id, request.rsm_data
705
531eacb82e9f browser and server sides: renamed max to max_ after sat's changeset 1423 (882e5fabf68c)
souliane <souliane@mailoo.org>
parents: 704
diff changeset
157 max_items = int(rsm_['max_'])
586
3eb3a2c0c011 browser and server side: uses RSM (XEP-0059)
souliane <souliane@mailoo.org>
parents: 487
diff changeset
158
708
e9a6cbb924e6 server_side: fixes static blog navigation links
souliane <souliane@mailoo.org>
parents: 705
diff changeset
159 if request.atom:
704
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
160 d.addCallbacks(self.render_atom_feed, self.render_error_blog, [request], None, [request, profile], None)
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
161 self.host.bridge.getGroupBlogsAtom(pub_jid.userhost(), rsm_, C.SERVICE_PROFILE, d.callback, d.errback)
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
162 return
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
163
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
164 d.addCallbacks(self.render_html_blog, self.render_error_blog, [request, profile], None, [request, profile], None)
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
165 if item_id:
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
166 if max_items > 0: # display one message and its comments
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
167 self.host.bridge.getGroupBlogsWithComments(pub_jid.userhost(), [item_id], {}, max_items, C.SERVICE_PROFILE, d.callback, d.errback)
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
168 else: # display one message, count its comments
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
169 self.host.bridge.getGroupBlogs(pub_jid.userhost(), [item_id], {}, True, C.SERVICE_PROFILE, d.callback, d.errback)
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
170 else:
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
171 if max_items == 1: # display one message and its comments
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
172 self.host.bridge.getGroupBlogsWithComments(pub_jid.userhost(), [], rsm_, C.RSM_MAX_COMMENTS, C.SERVICE_PROFILE, d.callback, d.errback)
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
173 else: # display the last messages, count their comments
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
174 self.host.bridge.getGroupBlogs(pub_jid.userhost(), [], rsm_, True, C.SERVICE_PROFILE, d.callback, d.errback)
586
3eb3a2c0c011 browser and server side: uses RSM (XEP-0059)
souliane <souliane@mailoo.org>
parents: 487
diff changeset
175
708
e9a6cbb924e6 server_side: fixes static blog navigation links
souliane <souliane@mailoo.org>
parents: 705
diff changeset
176 def parseURLParams(self, request):
e9a6cbb924e6 server_side: fixes static blog navigation links
souliane <souliane@mailoo.org>
parents: 705
diff changeset
177 """Parse the request URL parameters.
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souliane <souliane@mailoo.org>
parents: 705
diff changeset
178
e9a6cbb924e6 server_side: fixes static blog navigation links
souliane <souliane@mailoo.org>
parents: 705
diff changeset
179 @param request: HTTP request
e9a6cbb924e6 server_side: fixes static blog navigation links
souliane <souliane@mailoo.org>
parents: 705
diff changeset
180 """
e9a6cbb924e6 server_side: fixes static blog navigation links
souliane <souliane@mailoo.org>
parents: 705
diff changeset
181 request.item_id = None
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souliane <souliane@mailoo.org>
parents: 705
diff changeset
182 request.atom = False
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souliane <souliane@mailoo.org>
parents: 705
diff changeset
183
e9a6cbb924e6 server_side: fixes static blog navigation links
souliane <souliane@mailoo.org>
parents: 705
diff changeset
184 if len(request.postpath) > 1:
e9a6cbb924e6 server_side: fixes static blog navigation links
souliane <souliane@mailoo.org>
parents: 705
diff changeset
185 if request.postpath[1] == 'atom.xml': # return the atom feed
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souliane <souliane@mailoo.org>
parents: 705
diff changeset
186 request.atom = True
e9a6cbb924e6 server_side: fixes static blog navigation links
souliane <souliane@mailoo.org>
parents: 705
diff changeset
187 else:
e9a6cbb924e6 server_side: fixes static blog navigation links
souliane <souliane@mailoo.org>
parents: 705
diff changeset
188 try: # check if the given path is a valid UUID
e9a6cbb924e6 server_side: fixes static blog navigation links
souliane <souliane@mailoo.org>
parents: 705
diff changeset
189 uuid.UUID(request.postpath[1])
e9a6cbb924e6 server_side: fixes static blog navigation links
souliane <souliane@mailoo.org>
parents: 705
diff changeset
190 request.item_id = request.postpath[1]
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souliane <souliane@mailoo.org>
parents: 705
diff changeset
191 except ValueError:
e9a6cbb924e6 server_side: fixes static blog navigation links
souliane <souliane@mailoo.org>
parents: 705
diff changeset
192 pass
e9a6cbb924e6 server_side: fixes static blog navigation links
souliane <souliane@mailoo.org>
parents: 705
diff changeset
193
e9a6cbb924e6 server_side: fixes static blog navigation links
souliane <souliane@mailoo.org>
parents: 705
diff changeset
194 self.parseURLParamsRSM(request)
e9a6cbb924e6 server_side: fixes static blog navigation links
souliane <souliane@mailoo.org>
parents: 705
diff changeset
195 request.display_single = (request.item_id is not None) or int(request.rsm_data['max_']) == 1
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souliane <souliane@mailoo.org>
parents: 705
diff changeset
196
e9a6cbb924e6 server_side: fixes static blog navigation links
souliane <souliane@mailoo.org>
parents: 705
diff changeset
197 def parseURLParamsRSM(self, request):
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souliane <souliane@mailoo.org>
parents: 705
diff changeset
198 """Parse RSM request data from the URL parameters.
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souliane <souliane@mailoo.org>
parents: 705
diff changeset
199
e9a6cbb924e6 server_side: fixes static blog navigation links
souliane <souliane@mailoo.org>
parents: 705
diff changeset
200 @param request: HTTP request
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souliane <souliane@mailoo.org>
parents: 705
diff changeset
201 """
704
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
202 rsm_ = {}
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
203 try:
705
531eacb82e9f browser and server sides: renamed max to max_ after sat's changeset 1423 (882e5fabf68c)
souliane <souliane@mailoo.org>
parents: 704
diff changeset
204 rsm_['max_'] = request.args['max'][0]
704
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
205 except (ValueError, KeyError):
708
e9a6cbb924e6 server_side: fixes static blog navigation links
souliane <souliane@mailoo.org>
parents: 705
diff changeset
206 rsm_['max_'] = unicode(C.RSM_MAX_ITEMS if request.item_id else C.RSM_MAX_COMMENTS)
704
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
207 try:
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
208 rsm_['index'] = request.args['index'][0]
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
209 except (ValueError, KeyError):
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
210 try:
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
211 rsm_['before'] = request.args['before'][0]
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
212 except KeyError:
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
213 try:
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
214 rsm_['after'] = request.args['after'][0]
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
215 except KeyError:
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
216 pass
708
e9a6cbb924e6 server_side: fixes static blog navigation links
souliane <souliane@mailoo.org>
parents: 705
diff changeset
217 request.rsm_data = rsm_
10
c28a4840e1a8 server: microblog resource
Goffi <goffi@goffi.org>
parents:
diff changeset
218
389
2d782349b88a server_side: display blog comments when you click on a main item header or title
souliane <souliane@mailoo.org>
parents: 388
diff changeset
219 def render_html_blog(self, mblog_data, request, profile):
441
63017904c4d4 server_side: static blog retrieve page's title, meta description and keywords from the parameters
souliane <souliane@mailoo.org>
parents: 436
diff changeset
220 """Retrieve the user parameters before actually rendering the static blog
586
3eb3a2c0c011 browser and server side: uses RSM (XEP-0059)
souliane <souliane@mailoo.org>
parents: 487
diff changeset
221
3eb3a2c0c011 browser and server side: uses RSM (XEP-0059)
souliane <souliane@mailoo.org>
parents: 487
diff changeset
222 @param mblog_data (list): couple (list, dict) with:
3eb3a2c0c011 browser and server side: uses RSM (XEP-0059)
souliane <souliane@mailoo.org>
parents: 487
diff changeset
223 - a list of microblog data, or a list of couple containing:
3eb3a2c0c011 browser and server side: uses RSM (XEP-0059)
souliane <souliane@mailoo.org>
parents: 487
diff changeset
224 - microblog data (main item)
3eb3a2c0c011 browser and server side: uses RSM (XEP-0059)
souliane <souliane@mailoo.org>
parents: 487
diff changeset
225 - couple (comments data, RSM response data for the comments)
3eb3a2c0c011 browser and server side: uses RSM (XEP-0059)
souliane <souliane@mailoo.org>
parents: 487
diff changeset
226 - RSM response data for the main items
389
2d782349b88a server_side: display blog comments when you click on a main item header or title
souliane <souliane@mailoo.org>
parents: 388
diff changeset
227 @param request: HTTP request
2d782349b88a server_side: display blog comments when you click on a main item header or title
souliane <souliane@mailoo.org>
parents: 388
diff changeset
228 @param profile
2d782349b88a server_side: display blog comments when you click on a main item header or title
souliane <souliane@mailoo.org>
parents: 388
diff changeset
229 """
441
63017904c4d4 server_side: static blog retrieve page's title, meta description and keywords from the parameters
souliane <souliane@mailoo.org>
parents: 436
diff changeset
230 d_list = []
483
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souliane <souliane@mailoo.org>
parents: 481
diff changeset
231 options = {}
441
63017904c4d4 server_side: static blog retrieve page's title, meta description and keywords from the parameters
souliane <souliane@mailoo.org>
parents: 436
diff changeset
232
63017904c4d4 server_side: static blog retrieve page's title, meta description and keywords from the parameters
souliane <souliane@mailoo.org>
parents: 436
diff changeset
233 def getCallback(param_name):
63017904c4d4 server_side: static blog retrieve page's title, meta description and keywords from the parameters
souliane <souliane@mailoo.org>
parents: 436
diff changeset
234 d = defer.Deferred()
483
0bbbef1d53a8 server side (blog): use user's avatar a the blog's favicon + small refactorization
souliane <souliane@mailoo.org>
parents: 481
diff changeset
235 d.addCallback(lambda value: options.update({param_name: value}))
441
63017904c4d4 server_side: static blog retrieve page's title, meta description and keywords from the parameters
souliane <souliane@mailoo.org>
parents: 436
diff changeset
236 d_list.append(d)
63017904c4d4 server_side: static blog retrieve page's title, meta description and keywords from the parameters
souliane <souliane@mailoo.org>
parents: 436
diff changeset
237 return d.callback
63017904c4d4 server_side: static blog retrieve page's title, meta description and keywords from the parameters
souliane <souliane@mailoo.org>
parents: 436
diff changeset
238
388
893451e35686 server_side: display blog banner if it is defined
souliane <souliane@mailoo.org>
parents: 375
diff changeset
239 eb = lambda failure: self.render_error_blog(failure, request, profile)
441
63017904c4d4 server_side: static blog retrieve page's title, meta description and keywords from the parameters
souliane <souliane@mailoo.org>
parents: 436
diff changeset
240
483
0bbbef1d53a8 server side (blog): use user's avatar a the blog's favicon + small refactorization
souliane <souliane@mailoo.org>
parents: 481
diff changeset
241 self.getAvatar(profile).addCallbacks(getCallback('avatar'), eb)
441
63017904c4d4 server_side: static blog retrieve page's title, meta description and keywords from the parameters
souliane <souliane@mailoo.org>
parents: 436
diff changeset
242 for param_name in (C.STATIC_BLOG_PARAM_TITLE, C.STATIC_BLOG_PARAM_BANNER, C.STATIC_BLOG_PARAM_KEYWORDS, C.STATIC_BLOG_PARAM_DESCRIPTION):
63017904c4d4 server_side: static blog retrieve page's title, meta description and keywords from the parameters
souliane <souliane@mailoo.org>
parents: 436
diff changeset
243 self.host.bridge.asyncGetParamA(param_name, C.STATIC_BLOG_KEY, 'value', C.SERVER_SECURITY_LIMIT, profile, callback=getCallback(param_name), errback=eb)
63017904c4d4 server_side: static blog retrieve page's title, meta description and keywords from the parameters
souliane <souliane@mailoo.org>
parents: 436
diff changeset
244
483
0bbbef1d53a8 server side (blog): use user's avatar a the blog's favicon + small refactorization
souliane <souliane@mailoo.org>
parents: 481
diff changeset
245 cb = lambda dummy: self.__render_html_blog(mblog_data, options, request, profile)
441
63017904c4d4 server_side: static blog retrieve page's title, meta description and keywords from the parameters
souliane <souliane@mailoo.org>
parents: 436
diff changeset
246 defer.DeferredList(d_list).addCallback(cb)
388
893451e35686 server_side: display blog banner if it is defined
souliane <souliane@mailoo.org>
parents: 375
diff changeset
247
483
0bbbef1d53a8 server side (blog): use user's avatar a the blog's favicon + small refactorization
souliane <souliane@mailoo.org>
parents: 481
diff changeset
248 def __render_html_blog(self, mblog_data, options, request, profile):
389
2d782349b88a server_side: display blog comments when you click on a main item header or title
souliane <souliane@mailoo.org>
parents: 388
diff changeset
249 """Actually render the static blog. If mblog_data is a list of dict, we are missing
2d782349b88a server_side: display blog comments when you click on a main item header or title
souliane <souliane@mailoo.org>
parents: 388
diff changeset
250 the comments items so we just display the main items. If mblog_data is a list of couple,
2d782349b88a server_side: display blog comments when you click on a main item header or title
souliane <souliane@mailoo.org>
parents: 388
diff changeset
251 each couple is associating a main item data with the list of its comments, so we render all.
586
3eb3a2c0c011 browser and server side: uses RSM (XEP-0059)
souliane <souliane@mailoo.org>
parents: 487
diff changeset
252
3eb3a2c0c011 browser and server side: uses RSM (XEP-0059)
souliane <souliane@mailoo.org>
parents: 487
diff changeset
253 @param mblog_data (list): couple (list, dict) with:
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254 - a list of microblog data, or a list of couple containing:
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255 - microblog data (main item)
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256 - couple (comments data, RSM response data for the comments)
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257 - RSM response data for the main items
483
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258 @param options: dict defining the blog's parameters
388
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259 @param request: the HTTP request
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260 @profile
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261 """
483
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262 if not isinstance(options, dict):
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263 options = {}
10
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264 user = sanitizeHtml(profile).encode('utf-8')
389
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265 root_url = '../' * len(request.postpath)
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266 base_url = root_url + 'blog/' + user
441
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267
483
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268 def getOption(key):
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269 return sanitizeHtml(options[key]).encode('utf-8') if key in options else ''
441
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270
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271 def getImageParams(key, default, alt):
441
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272 """regexp from http://answers.oreilly.com/topic/280-how-to-validate-urls-with-regular-expressions/"""
483
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273 url = options[key].encode('utf-8') if key in options else ''
441
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274 regexp = r"^(https?|ftp)://[a-z0-9-]+(\.[a-z0-9-]+)+(/[\w-]+)*/[\w-]+\.(gif|png|jpg)$"
702
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275 if re.match(regexp, url):
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276 url = url
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277 else:
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278 url = default
712
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279 return BlogImage(url, alt)
441
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280
702
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281 avatar = os.path.normpath(root_url + getOption('avatar'))
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282 title = getOption(C.STATIC_BLOG_PARAM_TITLE) or user
704
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283 data = {'base_url': base_url,
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284 'keywords': getOption(C.STATIC_BLOG_PARAM_KEYWORDS),
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285 'description': getOption(C.STATIC_BLOG_PARAM_DESCRIPTION),
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286 'title': title,
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287 'favicon': avatar,
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288 'banner_img': getImageParams(C.STATIC_BLOG_PARAM_BANNER, avatar, title)
704
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289 }
586
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290
704
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291 mblog_data, main_rsm = mblog_data
586
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292 mblog_data = [(entry if isinstance(entry, tuple) else (entry, ([], {}))) for entry in mblog_data]
712
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293 mblog_data.sort(key=lambda entry: (-float(entry[0].get('updated', 0))))
704
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294
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295 data['navlinks'] = NavigationLinks(request, mblog_data, main_rsm, base_url)
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296 data['messages'] = [BlogMessage(request, base_url, entry, comments[0]) for entry, comments in mblog_data]
586
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297
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298 request.write(self.useTemplate(request, 'static_blog', data))
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299 request.finish()
243
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diff changeset
300
712
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301 def render_atom_feed(self, feed, request):
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diff changeset
302 request.write(feed.encode('utf-8'))
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diff changeset
303 request.finish()
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304
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305 def render_error_blog(self, error, request, profile):
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306 request.write(self.useTemplate(request, "static_blog_error", {'message': "Can't access requested data"}))
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diff changeset
307 request.finish()
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308
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309
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310 class NavigationLinks(object):
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311
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312 def __init__(self, request, mblog_data, rsm_data, base_url):
704
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313 """Build the navigation links.
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314
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315 @param mblog_data (dict): the microblogs that are displayed on the page
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316 @param rsm_data (dict): rsm data
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317 @param base_url (unicode): the base URL for this user's blog
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318 @return: dict
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319 """
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diff changeset
320 for key in ('later_message', 'later_messages', 'older_message', 'older_messages'):
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321 count = int(rsm_data.get('count', 0))
712
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322 setattr(self, key, '') # key must exist when using the template
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diff changeset
323 if count <= 0 or (request.display_single == key.endswith('s')):
704
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diff changeset
324 continue
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325
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diff changeset
326 index = int(rsm_data['index'])
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diff changeset
327
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diff changeset
328 link_data = {'base_url': base_url, 'suffix': ''}
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diff changeset
329
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diff changeset
330 if key.startswith('later_message'):
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diff changeset
331 if index <= 0:
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diff changeset
332 continue
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333 link_data['item_id'] = rsm_data['first']
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334 link_data['post_arg'] = 'before'
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335 else:
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diff changeset
336 if index + len(mblog_data) >= count:
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337 continue
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338 link_data['item_id'] = rsm_data['last']
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339 link_data['post_arg'] = 'after'
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340
708
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341 if request.display_single:
704
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342 link_data['suffix'] = '&max=1'
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343
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344 link = "%(base_url)s?%(post_arg)s=%(item_id)s%(suffix)s" % link_data
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345
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346 setattr(self, key, BlogLink(link, key, key.replace('_', ' ')))
704
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347
712
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348
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349 class BlogImage(object):
704
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350
712
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351 def __init__(self, url_, alt):
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352 self.url = url_
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353 self.alt = alt
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diff changeset
354
704
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355
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356 class BlogLink(object):
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357
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358 def __init__(self, url_, style, text):
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359 self.url = url_
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360 self.style = style
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361 self.text = text
704
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362
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diff changeset
363
712
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364 class BlogMessage(object):
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diff changeset
365
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366 def __init__(self, request, base_url, entry, comments=None):
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367 """
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368
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diff changeset
369 @param request: HTTP request
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370 @param base_url (unicode): the base URL
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371 @param entry (dict{unicode:unicode]): microblog entry received from the backend
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diff changeset
372 @param comments (list[dict]): comments
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diff changeset
373 """
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diff changeset
374 timestamp = float(entry.get('published', 0))
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diff changeset
375 is_comment = entry['type'] == 'comment'
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376
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377 self.date = datetime.fromtimestamp(timestamp)
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diff changeset
378 self.type = entry['type']
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379 self.style = 'mblog_comment' if entry['type'] == 'comment' else ''
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380 self.content = self.getText(entry, 'content')
704
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381
712
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382 if is_comment:
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diff changeset
383 self.author = (_("from %s") % entry['author']).encode('utf-8')
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diff changeset
384 else:
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385 self.author = '&nbsp;'
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386 self.url = (u"%s/%s" % (base_url, entry['id'])).encode('utf-8')
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387 self.title = self.getText(entry, 'title')
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diff changeset
388
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diff changeset
389 comments_count = int(entry['comments_count'])
bf562fb9c273 server_side: use Jinja2 template engine for static blog
souliane <souliane@mailoo.org>
parents: 708
diff changeset
390 count_text = lambda count: D_('comments') if count > 1 else D_('comment')
704
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
391
712
bf562fb9c273 server_side: use Jinja2 template engine for static blog
souliane <souliane@mailoo.org>
parents: 708
diff changeset
392 self.comments_text = "%s %s" % (comments_count, count_text(comments_count))
bf562fb9c273 server_side: use Jinja2 template engine for static blog
souliane <souliane@mailoo.org>
parents: 708
diff changeset
393
bf562fb9c273 server_side: use Jinja2 template engine for static blog
souliane <souliane@mailoo.org>
parents: 708
diff changeset
394 delta = comments_count - len(comments)
bf562fb9c273 server_side: use Jinja2 template engine for static blog
souliane <souliane@mailoo.org>
parents: 708
diff changeset
395 if request.display_single and delta > 0:
bf562fb9c273 server_side: use Jinja2 template engine for static blog
souliane <souliane@mailoo.org>
parents: 708
diff changeset
396 prev_url = "%s?max=%s" % (self.url, entry['comments_count'])
bf562fb9c273 server_side: use Jinja2 template engine for static blog
souliane <souliane@mailoo.org>
parents: 708
diff changeset
397 prev_text = D_("show %(count)d previous %(comments)s") % \
bf562fb9c273 server_side: use Jinja2 template engine for static blog
souliane <souliane@mailoo.org>
parents: 708
diff changeset
398 {'count': delta, 'comments': count_text(delta)}
bf562fb9c273 server_side: use Jinja2 template engine for static blog
souliane <souliane@mailoo.org>
parents: 708
diff changeset
399 self.all_comments_link = BlogLink(prev_url, "comments_link", prev_text)
bf562fb9c273 server_side: use Jinja2 template engine for static blog
souliane <souliane@mailoo.org>
parents: 708
diff changeset
400
bf562fb9c273 server_side: use Jinja2 template engine for static blog
souliane <souliane@mailoo.org>
parents: 708
diff changeset
401 if comments:
bf562fb9c273 server_side: use Jinja2 template engine for static blog
souliane <souliane@mailoo.org>
parents: 708
diff changeset
402 comments.sort(key=lambda entry: float(entry.get('published', 0)))
bf562fb9c273 server_side: use Jinja2 template engine for static blog
souliane <souliane@mailoo.org>
parents: 708
diff changeset
403 self.comments = [BlogMessage(request, base_url, comment) for comment in comments]
704
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
404
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
405 def getText(self, entry, key):
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
406 if ('%s_xhtml' % key) in entry:
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
407 return entry['%s_xhtml' % key].encode('utf-8')
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
408 elif key in entry:
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
409 processor = addURLToText if key.startswith('content') else sanitizeHtml
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
410 return convertNewLinesToXHTML(processor(entry[key])).encode('utf-8')
5319110a862c server_side: static blog uses the default template
souliane <souliane@mailoo.org>
parents: 702
diff changeset
411 return None