Mercurial > libervia-web

annotate libervia/pages/blog/view/page_meta.py @ 1156:3048bd137aaf

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server, browser: changed blog items serialisation following changes in backend
author Goffi <goffi@goffi.org>
date Sat, 23 Feb 2019 21:03:21 +0100
parents 29eb15062416
children 469d0de8da0e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 #!/usr/bin/env python2.7
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2 # -*- coding: utf-8 -*-
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3 import unicodedata
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4 import re
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5 import cgi
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6 from libervia.server.constants import Const as C
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7 from twisted.words.protocols.jabber import jid
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8 from twisted.internet import defer
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9 from sat.tools.common import data_objects
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10 from libervia.server import session_iface
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11 from sat.core.i18n import _
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12 from sat.tools.common.template import safe
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13 from sat.tools.common import uri
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14 from sat.tools.common import data_format
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15 from libervia.server import utils
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16 from sat.core.log import getLogger
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17
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18 log = getLogger(__name__)
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19
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20 """generic blog (with service/node provided)"""
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21 name = u'blog_view'
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22 template = u"blog/articles.html"
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23 uri_handlers = {(u'pubsub', u'microblog'): 'microblog_uri'}
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24
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25 RE_TEXT_URL = re.compile(ur'[^a-zA-Z,_]+')
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26 TEXT_MAX_LEN = 60
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27 TEXT_WORD_MIN_LENGHT = 4
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28 URL_LIMIT_MARK = 90 # if canonical URL is longer than that, text will not be appended
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29
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30
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31 def microblog_uri(self, uri_data):
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32 args = [uri_data[u'path'], uri_data[u'node']]
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33 if u'item' in uri_data:
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34 args.extend([u'id', uri_data[u'item']])
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35 return self.getURL(*args)
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36
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37 def parse_url(self, request):
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38 """URL is /[service]/[node]/[filter_keyword]/[item]|[other]
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39
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40 if [node] is '@', default namespace is used
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41 if a value is unset, default one will be used
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42 keyword can be one of:
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43 id: next value is a item id
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44 tag: next value is a blog tag
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45 """
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46 data = self.getRData(request)
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47
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48 try:
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49 service = self.nextPath(request)
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50 except IndexError:
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51 data['service'] = u''
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52 else:
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53 try:
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54 data[u"service"] = jid.JID(service)
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55 except Exception:
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56 log.warning(_(u"bad service entered: {}").format(service))
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57 self.pageError(request, C.HTTP_BAD_REQUEST)
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58
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59 try:
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60 data['node'] = self.nextPath(request)
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61 except IndexError:
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62 data['node'] = u''
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63 else:
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64 if data['node'] == u'@':
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65 data['node'] = u''
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66
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67 try:
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68 filter_kw = data['filter_keyword'] = self.nextPath(request)
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69 except IndexError:
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70 pass
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71 else:
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72 if filter_kw == u'id':
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73 try:
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74 data[u'item'] = self.nextPath(request)
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75 except IndexError:
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76 self.pageError(request, C.HTTP_BAD_REQUEST)
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77 # we get one more argument in case text has been added to have a nice URL
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78 try:
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79 self.nextPath(request)
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80 except IndexError:
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81 pass
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82 elif filter_kw == u'tag':
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83 try:
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84 data[u'tag'] = self.nextPath(request)
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85 except IndexError:
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86 self.pageError(request, C.HTTP_BAD_REQUEST)
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87 else:
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88 # invalid filter keyword
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89 log.warning(_(u"invalid filter keyword: {filter_kw}").format(filter_kw=filter_kw))
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90 self.pageError(request, C.HTTP_BAD_REQUEST)
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91
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92
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93 @defer.inlineCallbacks
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94 def appendComments(self, blog_items, identities, profile):
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95 for blog_item in blog_items:
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96 if identities is not None:
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97 author = blog_item.author_jid
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98 if not author:
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99 log.warning(_(u"no author found for item {item_id}").format(item_id=blog_item.id))
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100 else:
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101 if author not in identities:
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102 identities[author] = yield self.host.bridgeCall(u'identityGet', author, profile)
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103 for comment_data in blog_item.comments:
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104 service = comment_data[u'service']
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105 node = comment_data[u'node']
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106 try:
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107 comments_data = yield self.host.bridgeCall(u'mbGet',
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108 service,
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109 node,
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110 C.NO_LIMIT,
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111 [],
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112 {C.KEY_ORDER_BY: C.ORDER_BY_CREATION},
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113 profile)
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114 except Exception as e:
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115 log.warning(_(u"Can't get comments at {node} (service: {service}): {msg}").format(
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116 service=service,
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117 node=node,
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118 msg=e))
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119 continue
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120
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121 comments = data_objects.BlogItems(comments_data)
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122 blog_item.appendCommentsItems(comments)
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123 yield appendComments(self, comments, identities, profile)
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124
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125 @defer.inlineCallbacks
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126 def getBlogItems(self, request, service, node, item_id, extra, profile):
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127 try:
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128 if item_id:
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129 items_id = [item_id]
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130 else:
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131 items_id = []
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132 blog_data = yield self.host.bridgeCall(u'mbGet',
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133 service.userhost(),
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134 node,
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135 C.NO_LIMIT,
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136 items_id,
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137 extra,
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138 profile)
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139 except Exception as e:
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140 # FIXME: need a better way to test errors in bridge errback
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141 if u"forbidden" in unicode(e):
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142 self.pageError(request, 401)
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143 else:
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144 log.warning(_(u"can't retrieve blog for [{service}]: {msg}".format(
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parents:
diff changeset
145 service = service.userhost(), msg=e)))
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Goffi <goffi@goffi.org>
parents:
diff changeset
146 blog_data = ([], {})
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Goffi <goffi@goffi.org>
parents:
diff changeset
147
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diff changeset
148 defer.returnValue(data_objects.BlogItems(blog_data))
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parents:
diff changeset
149
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Goffi <goffi@goffi.org>
parents:
diff changeset
150 @defer.inlineCallbacks
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Goffi <goffi@goffi.org>
parents:
diff changeset
151 def prepare_render(self, request):
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diff changeset
152 data = self.getRData(request)
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153 page_max = data.get(u"page_max", 10)
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diff changeset
154 # if the comments are not explicitly hidden, we show them
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Goffi <goffi@goffi.org>
parents:
diff changeset
155 service, node, item_id, show_comments = data.get(u'service', u''), data.get(u'node', u''), data.get(u'item'), data.get(u'show_comments', True)
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diff changeset
156 profile = self.getProfile(request)
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parents:
diff changeset
157 if profile is None:
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parents:
diff changeset
158 profile = C.SERVICE_PROFILE
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159 profile_connected = False
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parents: 1124
diff changeset
160 else:
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161 profile_connected = True
1077
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162
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Goffi <goffi@goffi.org>
parents:
diff changeset
163 ## pagination/filtering parameters
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Goffi <goffi@goffi.org>
parents:
diff changeset
164 if item_id:
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Goffi <goffi@goffi.org>
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165 extra = {}
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diff changeset
166 else:
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167 extra = self.getPubsubExtra(request, page_max=page_max)
1077
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168 tag = data.get('tag')
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Goffi <goffi@goffi.org>
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diff changeset
169 if tag:
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Goffi <goffi@goffi.org>
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diff changeset
170 extra[u'mam_filter_{}'.format(C.MAM_FILTER_CATEGORY)] = tag
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171
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parents:
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172 ## main data ##
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173 # we get data from backend/XMPP here
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174 items = yield getBlogItems(self, request, service, node, item_id, extra, profile)
1077
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175
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Goffi <goffi@goffi.org>
parents:
diff changeset
176 ## navigation ##
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Goffi <goffi@goffi.org>
parents:
diff changeset
177 # no let's fill service, node and pagination URLs
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Goffi <goffi@goffi.org>
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diff changeset
178 template_data = request.template_data
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Goffi <goffi@goffi.org>
parents:
diff changeset
179 if u'service' not in template_data:
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Goffi <goffi@goffi.org>
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diff changeset
180 template_data[u'service'] = service
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Goffi <goffi@goffi.org>
parents:
diff changeset
181 if u'node' not in template_data:
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Goffi <goffi@goffi.org>
parents:
diff changeset
182 template_data[u'node'] = node
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Goffi <goffi@goffi.org>
parents:
diff changeset
183 target_profile = template_data.get(u'target_profile')
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Goffi <goffi@goffi.org>
parents:
diff changeset
184
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
185 if items:
1141
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parents: 1140
diff changeset
186 if not item_id:
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parents: 1140
diff changeset
187 self.setPagination(request, items.metadata)
1077
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188 else:
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Goffi <goffi@goffi.org>
parents:
diff changeset
189 if item_id:
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Goffi <goffi@goffi.org>
parents:
diff changeset
190 # if item id has been specified in URL and it's not found,
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Goffi <goffi@goffi.org>
parents:
diff changeset
191 # we must return an error
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Goffi <goffi@goffi.org>
parents:
diff changeset
192 self.pageError(request, C.HTTP_NOT_FOUND)
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Goffi <goffi@goffi.org>
parents:
diff changeset
193
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
194 ## identities ##
1133
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195 # identities are used to show nice nickname or avatars
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parents:
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196 identities = template_data[u'identities'] = self.host.getSessionData(request, session_iface.ISATSession).identities
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parents:
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197
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
198 ## Comments ##
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Goffi <goffi@goffi.org>
parents:
diff changeset
199 # if comments are requested, we need to take them
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Goffi <goffi@goffi.org>
parents:
diff changeset
200 if show_comments:
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
201 yield appendComments(self, items, identities, profile)
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
202
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
203 ## URLs ##
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
204 # We will fill items_http_uri and tags_http_uri in template_data with suitable urls
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Goffi <goffi@goffi.org>
parents:
diff changeset
205 # if we know the profile, we use it instead of service + blog (nicer url)
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Goffi <goffi@goffi.org>
parents:
diff changeset
206 if target_profile is None:
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
207 blog_base_url_item = self.getPageByName(u'blog_view').getURL(service.full(), node or u'@', u'id')
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
208 blog_base_url_tag = self.getPageByName(u'blog_view').getURL(service.full(), node or u'@', u'tag')
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
209 else:
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
210 blog_base_url_item = self.getURLByNames([(u'user', [target_profile]), (u'user_blog', [u'id'])])
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
211 blog_base_url_tag = self.getURLByNames([(u'user', [target_profile]), (u'user_blog', [u'tag'])])
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
212 # we also set the background image if specified by user
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
213 bg_img = yield self.host.bridgeCall(u'asyncGetParamA', u'Background', u'Blog page', u'value', -1, template_data[u'target_profile'])
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
214 if bg_img:
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
215 template_data['dynamic_style'] = safe(u"""
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
216 :root {
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
217 --bg-img: url("%s");
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
218 }
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
219 """ % cgi.escape(bg_img, True))
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
220
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
221 template_data[u'items'] = data[u'items'] = items
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
222 if request.args.get('reverse') == ['1']:
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
223 template_data[u'items'].items.reverse()
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
224 template_data[u'items_http_uri'] = items_http_uri = {}
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
225 template_data[u'tags_http_uri'] = tags_http_uri = {}
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
226
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
227
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
228 for item in items:
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
229 blog_canonical_url = u'/'.join([blog_base_url_item, utils.quote(item.id)])
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
230 if len(blog_canonical_url) > URL_LIMIT_MARK:
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
231 blog_url = blog_canonical_url
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
232 else:
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
233 # we add text from title or body at the end of URL
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
234 # to make it more human readable
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
235 text = item.title or item.content
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
236 # we change special chars to ascii one, trick found at https://stackoverflow.com/a/3194567
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
237 text = unicodedata.normalize('NFD', text).encode('ascii', 'ignore')
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Goffi <goffi@goffi.org>
parents:
diff changeset
238 text = RE_TEXT_URL.sub(u' ', text).lower()
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
239 text = u'-'.join([t for t in text.split() if t and len(t)>=TEXT_WORD_MIN_LENGHT])
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
240 while len(text) > TEXT_MAX_LEN:
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
241 if u'-' in text:
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
242 text = text.rsplit(u'-', 1)[0]
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
243 else:
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
244 text = text[:TEXT_MAX_LEN]
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
245 if text:
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
246 blog_url = blog_canonical_url + u'/' + text
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
247 else:
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
248 blog_url = blog_canonical_url
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
249
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
250 items_http_uri[item.id] = self.host.getExtBaseURL(request, blog_url)
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
251 for tag in item.tags:
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
252 if tag not in tags_http_uri:
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
253 tag_url = u'/'.join([blog_base_url_tag, utils.quote(tag)])
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
254 tags_http_uri[tag] = self.host.getExtBaseURL(request, tag_url)
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
255
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
256 # if True, page should display a comment box
1133
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parents: 1124
diff changeset
257 template_data[u'allow_commenting'] = data.get(u'allow_commenting', profile_connected)
1077
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
258
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
259 # last but not least, we add a xmpp: link to the node
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
260 uri_args = {u'path': service.full()}
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
261 if node:
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
262 uri_args[u'node'] = node
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
263 if item_id:
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
264 uri_args[u'item'] = item_id
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
265 template_data[u'xmpp_uri'] = uri.buildXMPPUri(u'pubsub', subtype='microblog', **uri_args)
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
266
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
267
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
268 @defer.inlineCallbacks
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
269 def on_data_post(self, request):
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
270 profile = self.getProfile(request)
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
271 if profile is None:
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
272 self.pageError(request, C.HTTP_UNAUTHORIZED)
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
273 type_ = self.getPostedData(request, u'type')
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
274 if type_ == u'comment':
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
275 service, node, body = self.getPostedData(request, (u'service', u'node', u'body'))
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
276
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
277 if not body:
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
278 self.pageError(request, C.HTTP_BAD_REQUEST)
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
279 comment_data = {u"content": body}
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
280 try:
1156
3048bd137aaf server, browser: changed blog items serialisation following changes in backend
Goffi <goffi@goffi.org>
parents: 1145
diff changeset
281 yield self.host.bridgeCall(u'mbSend',
3048bd137aaf server, browser: changed blog items serialisation following changes in backend
Goffi <goffi@goffi.org>
parents: 1145
diff changeset
282 service,
3048bd137aaf server, browser: changed blog items serialisation following changes in backend
Goffi <goffi@goffi.org>
parents: 1145
diff changeset
283 node,
3048bd137aaf server, browser: changed blog items serialisation following changes in backend
Goffi <goffi@goffi.org>
parents: 1145
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284 data_format.serialise(comment_data),
3048bd137aaf server, browser: changed blog items serialisation following changes in backend
Goffi <goffi@goffi.org>
parents: 1145
diff changeset
285 profile)
1077
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
diff changeset
286 except Exception as e:
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
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287 if u"forbidden" in unicode(e):
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
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288 self.pageError(request, 401)
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
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289 else:
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
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290 raise e
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
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291 else:
880ea673aaff blog: moved blog page from /common to /blog:
Goffi <goffi@goffi.org>
parents:
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292 log.warning(_(u"Unhandled data type: {}").format(type_))