Mercurial > libervia-web
annotate libervia/pages/blog/view/page_meta.py @ 1321:eb85ef26cb4a
server: use `bulma` theme as default for default site:
`default` theme is not used for now as real default, because dev work is focusing on bulma
theme, and the default one may be broken. This should (or may not) change in the future.
author | Goffi <goffi@goffi.org> |
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date | Sat, 01 Aug 2020 16:56:04 +0200 |
parents | 04e7dd6b6f4d |
children | a0954b6610aa |
rev | line source |
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1216 | 1 #!/usr/bin/env python3 |
1239 | 2 |
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3 import unicodedata |
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4 import re |
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5 import html |
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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 libervia.server.utils import SubPage |
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17 from sat.core.log import getLogger |
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18 |
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19 log = getLogger(__name__) |
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20 |
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21 """generic blog (with service/node provided)""" |
1216 | 22 name = 'blog_view' |
23 template = "blog/articles.html" | |
24 uri_handlers = {('pubsub', 'microblog'): 'microblog_uri'} | |
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25 |
1216 | 26 RE_TEXT_URL = re.compile(r'[^a-zA-Z,_]+') |
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27 TEXT_MAX_LEN = 60 |
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28 TEXT_WORD_MIN_LENGHT = 4 |
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29 URL_LIMIT_MARK = 90 # if canonical URL is longer than that, text will not be appended |
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30 |
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31 |
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32 def microblog_uri(self, uri_data): |
1216 | 33 args = [uri_data['path'], uri_data['node']] |
34 if 'item' in uri_data: | |
35 args.extend(['id', uri_data['item']]) | |
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36 return self.getURL(*args) |
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37 |
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38 def parse_url(self, request): |
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39 """URL is /[service]/[node]/[filter_keyword]/[item]|[other] |
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40 |
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41 if [node] is '@', default namespace is used |
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42 if a value is unset, default one will be used |
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43 keyword can be one of: |
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44 id: next value is a item id |
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45 tag: next value is a blog tag |
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46 """ |
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47 data = self.getRData(request) |
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48 |
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49 try: |
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50 service = self.nextPath(request) |
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51 except IndexError: |
1216 | 52 data['service'] = '' |
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53 else: |
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54 try: |
1216 | 55 data["service"] = jid.JID(service) |
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56 except Exception: |
1216 | 57 log.warning(_("bad service entered: {}").format(service)) |
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58 self.pageError(request, C.HTTP_BAD_REQUEST) |
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59 |
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60 try: |
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61 node = self.nextPath(request) |
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62 except IndexError: |
1216 | 63 node = '@' |
64 data['node'] = '' if node == '@' else node | |
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65 |
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66 try: |
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67 filter_kw = data['filter_keyword'] = self.nextPath(request) |
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68 except IndexError: |
1216 | 69 filter_kw = '@' |
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70 else: |
1216 | 71 if filter_kw == '@': |
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72 # No filter, this is used when a subpage is needed, notably Atom feed |
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73 pass |
1216 | 74 elif filter_kw == 'id': |
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75 try: |
1216 | 76 data['item'] = self.nextPath(request) |
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77 except IndexError: |
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78 self.pageError(request, C.HTTP_BAD_REQUEST) |
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79 # we get one more argument in case text has been added to have a nice URL |
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80 try: |
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81 self.nextPath(request) |
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82 except IndexError: |
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83 pass |
1216 | 84 elif filter_kw == 'tag': |
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85 try: |
1216 | 86 data['tag'] = self.nextPath(request) |
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87 except IndexError: |
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88 self.pageError(request, C.HTTP_BAD_REQUEST) |
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89 else: |
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90 # invalid filter keyword |
1216 | 91 log.warning(_("invalid filter keyword: {filter_kw}").format( |
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92 filter_kw=filter_kw)) |
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93 self.pageError(request, C.HTTP_BAD_REQUEST) |
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94 |
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95 # if URL is parsed here, we'll have atom.xml available and we need to |
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96 # add the link to the page |
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97 atom_url = self.getURLByPath( |
1216 | 98 SubPage('blog_view'), |
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99 service, |
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100 node, |
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101 filter_kw, |
1216 | 102 SubPage('blog_feed_atom'), |
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103 ) |
1216 | 104 request.template_data['atom_url'] = atom_url |
105 request.template_data.setdefault('links', []).append({ | |
106 "href": atom_url, | |
107 "type": "application/atom+xml", | |
108 "rel": "alternate", | |
109 "title": "{service}'s blog".format(service=service)}) | |
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110 |
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111 |
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112 @defer.inlineCallbacks |
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113 def appendComments(self, blog_items, identities, profile): |
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114 for blog_item in blog_items['items']: |
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115 if identities is not None: |
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116 author = blog_item['author_jid'] |
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117 if not author: |
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118 log.warning(_("no author found for item {item_id}").format( |
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119 item_id=blog_item['id'])) |
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120 else: |
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121 if author not in identities: |
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122 id_raw = yield self.host.bridgeCall( |
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123 'identityGet', author, [], True, profile) |
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124 identities[author] = data_format.deserialise(id_raw) |
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125 for comment_data in blog_item['comments']: |
1216 | 126 service = comment_data['service'] |
127 node = comment_data['node'] | |
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128 try: |
1216 | 129 comments_data = yield self.host.bridgeCall('mbGet', |
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130 service, |
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131 node, |
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132 C.NO_LIMIT, |
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133 [], |
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134 {C.KEY_ORDER_BY: C.ORDER_BY_CREATION}, |
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135 profile) |
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136 except Exception as e: |
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137 log.warning( |
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138 _("Can't get comments at {node} (service: {service}): {msg}").format( |
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139 service=service, |
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140 node=node, |
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141 msg=e)) |
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142 continue |
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144 comments = data_format.deserialise(comments_data) |
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145 comment_data['items'] = comments['items'] |
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146 yield appendComments(self, comments, identities, profile) |
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147 |
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148 @defer.inlineCallbacks |
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149 def getBlogItems(self, request, service, node, item_id, extra, profile): |
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150 try: |
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151 if item_id: |
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152 items_id = [item_id] |
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153 else: |
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154 items_id = [] |
1216 | 155 blog_data = yield self.host.bridgeCall('mbGet', |
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156 service.userhost(), |
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157 node, |
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158 C.NO_LIMIT, |
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159 items_id, |
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160 extra, |
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161 profile) |
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162 except Exception as e: |
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163 # FIXME: need a better way to test errors in bridge errback |
1216 | 164 if "forbidden" in str(e): |
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165 self.pageError(request, 401) |
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166 else: |
1216 | 167 log.warning(_("can't retrieve blog for [{service}]: {msg}".format( |
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168 service = service.userhost(), msg=e))) |
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169 blog_data = {"items": []} |
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170 else: |
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171 blog_data = data_format.deserialise(blog_data) |
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172 |
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173 defer.returnValue(blog_data) |
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174 |
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175 @defer.inlineCallbacks |
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176 def prepare_render(self, request): |
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177 data = self.getRData(request) |
1216 | 178 page_max = data.get("page_max", 10) |
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179 # if the comments are not explicitly hidden, we show them |
1216 | 180 service, node, item_id, show_comments = data.get('service', ''), data.get('node', ''), data.get('item'), data.get('show_comments', True) |
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181 profile = self.getProfile(request) |
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182 if profile is None: |
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183 profile = C.SERVICE_PROFILE |
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184 profile_connected = False |
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185 else: |
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186 profile_connected = True |
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187 |
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188 ## pagination/filtering parameters |
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189 if item_id: |
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190 extra = {} |
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191 else: |
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192 extra = self.getPubsubExtra(request, page_max=page_max) |
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193 tag = data.get('tag') |
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194 if tag: |
1216 | 195 extra['mam_filter_{}'.format(C.MAM_FILTER_CATEGORY)] = tag |
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196 |
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197 ## main data ## |
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198 # we get data from backend/XMPP here |
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199 blog_items = yield getBlogItems(self, request, service, node, item_id, extra, profile) |
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200 |
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201 ## navigation ## |
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202 # no let's fill service, node and pagination URLs |
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203 template_data = request.template_data |
1216 | 204 if 'service' not in template_data: |
205 template_data['service'] = service | |
206 if 'node' not in template_data: | |
207 template_data['node'] = node | |
208 target_profile = template_data.get('target_profile') | |
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209 |
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210 if blog_items: |
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211 if not item_id: |
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212 self.setPagination(request, blog_items) |
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213 else: |
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214 if item_id: |
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215 # if item id has been specified in URL and it's not found, |
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216 # we must return an error |
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217 self.pageError(request, C.HTTP_NOT_FOUND) |
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218 |
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219 ## identities ## |
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220 # identities are used to show nice nickname or avatars |
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221 identities = self.host.getSessionData(request, session_iface.ISATSession).identities |
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222 |
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223 ## Comments ## |
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224 # if comments are requested, we need to take them |
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225 if show_comments: |
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226 yield appendComments(self, blog_items, identities, profile) |
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227 |
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228 ## URLs ## |
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229 # We will fill items_http_uri and tags_http_uri in template_data with suitable urls |
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230 # if we know the profile, we use it instead of service + blog (nicer url) |
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231 if target_profile is None: |
1216 | 232 blog_base_url_item = self.getPageByName('blog_view').getURL(service.full(), node or '@', 'id') |
233 blog_base_url_tag = self.getPageByName('blog_view').getURL(service.full(), node or '@', 'tag') | |
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234 else: |
1216 | 235 blog_base_url_item = self.getURLByNames([('user', [target_profile]), ('user_blog', ['id'])]) |
236 blog_base_url_tag = self.getURLByNames([('user', [target_profile]), ('user_blog', ['tag'])]) | |
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237 # we also set the background image if specified by user |
1216 | 238 bg_img = yield self.host.bridgeCall('asyncGetParamA', 'Background', 'Blog page', 'value', -1, template_data['target_profile']) |
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239 if bg_img: |
1216 | 240 template_data['dynamic_style'] = safe(""" |
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241 :root { |
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242 --bg-img: url("%s"); |
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243 } |
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244 """ % html.escape(bg_img, True)) |
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245 |
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246 template_data['blog_items'] = data['blog_items'] = blog_items |
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247 if request.args.get(b'reverse') == ['1']: |
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248 template_data['blog_items'].items.reverse() |
1216 | 249 template_data['items_http_uri'] = items_http_uri = {} |
250 template_data['tags_http_uri'] = tags_http_uri = {} | |
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251 |
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252 |
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253 for item in blog_items['items']: |
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254 blog_canonical_url = '/'.join([blog_base_url_item, utils.quote(item['id'])]) |
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255 if len(blog_canonical_url) > URL_LIMIT_MARK: |
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256 blog_url = blog_canonical_url |
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257 else: |
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258 # we add text from title or body at the end of URL |
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259 # to make it more human readable |
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260 text = item.get('title', item['content']) |
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261 # we change special chars to ascii one, trick found at https://stackoverflow.com/a/3194567 |
1216 | 262 text = unicodedata.normalize('NFD', text).encode('ascii', 'ignore').decode('utf-8') |
263 text = RE_TEXT_URL.sub(' ', text).lower() | |
264 text = '-'.join([t for t in text.split() if t and len(t)>=TEXT_WORD_MIN_LENGHT]) | |
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265 while len(text) > TEXT_MAX_LEN: |
1216 | 266 if '-' in text: |
267 text = text.rsplit('-', 1)[0] | |
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268 else: |
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269 text = text[:TEXT_MAX_LEN] |
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270 if text: |
1216 | 271 blog_url = blog_canonical_url + '/' + text |
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272 else: |
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273 blog_url = blog_canonical_url |
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274 |
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275 items_http_uri[item['id']] = self.host.getExtBaseURL(request, blog_url) |
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276 for tag in item['tags']: |
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277 if tag not in tags_http_uri: |
1216 | 278 tag_url = '/'.join([blog_base_url_tag, utils.quote(tag)]) |
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279 tags_http_uri[tag] = self.host.getExtBaseURL(request, tag_url) |
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280 |
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281 # if True, page should display a comment box |
1216 | 282 template_data['allow_commenting'] = data.get('allow_commenting', profile_connected) |
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283 |
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284 # last but not least, we add a xmpp: link to the node |
1216 | 285 uri_args = {'path': service.full()} |
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286 if node: |
1216 | 287 uri_args['node'] = node |
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288 if item_id: |
1216 | 289 uri_args['item'] = item_id |
290 template_data['xmpp_uri'] = uri.buildXMPPUri('pubsub', subtype='microblog', **uri_args) | |
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291 |
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292 |
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293 @defer.inlineCallbacks |
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294 def on_data_post(self, request): |
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295 profile = self.getProfile(request) |
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296 if profile is None: |
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297 self.pageError(request, C.HTTP_FORBIDDEN) |
1216 | 298 type_ = self.getPostedData(request, 'type') |
299 if type_ == 'comment': | |
300 service, node, body = self.getPostedData(request, ('service', 'node', 'body')) | |
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301 |
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302 if not body: |
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303 self.pageError(request, C.HTTP_BAD_REQUEST) |
1216 | 304 comment_data = {"content": body} |
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305 try: |
1216 | 306 yield self.host.bridgeCall('mbSend', |
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307 service, |
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308 node, |
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309 data_format.serialise(comment_data), |
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310 profile) |
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311 except Exception as e: |
1216 | 312 if "forbidden" in str(e): |
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313 self.pageError(request, 401) |
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314 else: |
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315 raise e |
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316 else: |
1216 | 317 log.warning(_("Unhandled data type: {}").format(type_)) |