Mercurial > libervia-web
annotate libervia/pages/blog/view/page_meta.py @ 1406:cffa3ae4d0aa
pages (blog/view): move URL friendly code to backend tools:
- the code to render an URL friendly is now in `sat.tools.common.regex`
- user friendly extra text is now only displayed when no `-` is found in ID. This is a
temporary transition behaviour because new blog items IDs are now user friendly by
default, and thus extra text is not wanted anymore.
For older IDs it is still needed though, and the presence of `-` is used to guess when
an ID is user friendly or not.
author | Goffi <goffi@goffi.org> |
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date | Fri, 16 Apr 2021 18:44:49 +0200 |
parents | 1357d04107d1 |
children | 6fc41f000d24 |
rev | line source |
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1216 | 1 #!/usr/bin/env python3 |
1239 | 2 |
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3 import html |
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4 from libervia.server.constants import Const as C |
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5 from twisted.words.protocols.jabber import jid |
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6 from sat.core.i18n import _ |
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7 from sat.tools.common.template import safe |
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8 from sat.tools.common import uri |
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9 from sat.tools.common import data_format |
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10 from sat.tools.common import regex |
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11 from sat.core.log import getLogger |
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12 from libervia.server import utils |
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13 from libervia.server.utils import SubPage |
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14 |
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15 log = getLogger(__name__) |
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16 |
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17 """generic blog (with service/node provided)""" |
1216 | 18 name = 'blog_view' |
19 template = "blog/articles.html" | |
20 uri_handlers = {('pubsub', 'microblog'): 'microblog_uri'} | |
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21 |
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22 URL_LIMIT_MARK = 90 # if canonical URL is longer than that, text will not be appended |
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23 |
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24 |
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25 def microblog_uri(self, uri_data): |
1216 | 26 args = [uri_data['path'], uri_data['node']] |
27 if 'item' in uri_data: | |
28 args.extend(['id', uri_data['item']]) | |
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29 return self.getURL(*args) |
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30 |
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31 def parse_url(self, request): |
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32 """URL is /[service]/[node]/[filter_keyword]/[item]|[other] |
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33 |
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34 if [node] is '@', default namespace is used |
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35 if a value is unset, default one will be used |
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36 keyword can be one of: |
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37 id: next value is a item id |
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38 tag: next value is a blog tag |
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39 """ |
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40 data = self.getRData(request) |
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41 |
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42 try: |
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43 service = self.nextPath(request) |
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44 except IndexError: |
1216 | 45 data['service'] = '' |
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46 else: |
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47 try: |
1216 | 48 data["service"] = jid.JID(service) |
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49 except Exception: |
1216 | 50 log.warning(_("bad service entered: {}").format(service)) |
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51 self.pageError(request, C.HTTP_BAD_REQUEST) |
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52 |
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53 try: |
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54 node = self.nextPath(request) |
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55 except IndexError: |
1216 | 56 node = '@' |
57 data['node'] = '' if node == '@' else node | |
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58 |
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59 try: |
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60 filter_kw = data['filter_keyword'] = self.nextPath(request) |
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61 except IndexError: |
1216 | 62 filter_kw = '@' |
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63 else: |
1216 | 64 if filter_kw == '@': |
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65 # No filter, this is used when a subpage is needed, notably Atom feed |
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66 pass |
1216 | 67 elif filter_kw == 'id': |
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68 try: |
1216 | 69 data['item'] = self.nextPath(request) |
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70 except IndexError: |
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71 self.pageError(request, C.HTTP_BAD_REQUEST) |
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72 # we get one more argument in case text has been added to have a nice URL |
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73 try: |
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74 self.nextPath(request) |
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75 except IndexError: |
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76 pass |
1216 | 77 elif filter_kw == 'tag': |
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78 try: |
1216 | 79 data['tag'] = self.nextPath(request) |
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80 except IndexError: |
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81 self.pageError(request, C.HTTP_BAD_REQUEST) |
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82 else: |
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83 # invalid filter keyword |
1216 | 84 log.warning(_("invalid filter keyword: {filter_kw}").format( |
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85 filter_kw=filter_kw)) |
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86 self.pageError(request, C.HTTP_BAD_REQUEST) |
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87 |
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88 # if URL is parsed here, we'll have atom.xml available and we need to |
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89 # add the link to the page |
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90 atom_url = self.getURLByPath( |
1216 | 91 SubPage('blog_view'), |
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92 service, |
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93 node, |
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94 filter_kw, |
1216 | 95 SubPage('blog_feed_atom'), |
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96 ) |
1216 | 97 request.template_data['atom_url'] = atom_url |
98 request.template_data.setdefault('links', []).append({ | |
99 "href": atom_url, | |
100 "type": "application/atom+xml", | |
101 "rel": "alternate", | |
102 "title": "{service}'s blog".format(service=service)}) | |
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103 |
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104 |
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105 async def appendComments(self, request, blog_items, profile): |
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106 await self.fillMissingIdentities( |
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107 request, [i['author_jid'] for i in blog_items['items']]) |
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108 for blog_item in blog_items['items']: |
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109 for comment_data in blog_item['comments']: |
1216 | 110 service = comment_data['service'] |
111 node = comment_data['node'] | |
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112 try: |
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113 comments_data = await self.host.bridgeCall('mbGet', |
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114 service, |
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115 node, |
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116 C.NO_LIMIT, |
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117 [], |
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118 {C.KEY_ORDER_BY: C.ORDER_BY_CREATION}, |
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119 profile) |
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120 except Exception as e: |
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121 log.warning( |
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122 _("Can't get comments at {node} (service: {service}): {msg}").format( |
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123 service=service, |
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124 node=node, |
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125 msg=e)) |
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126 comment_data['items'] = [] |
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127 continue |
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128 |
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129 comments = data_format.deserialise(comments_data) |
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130 comment_data['items'] = comments['items'] |
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131 await appendComments(self, request, comments, profile) |
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132 |
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133 async def getBlogItems(self, request, service, node, item_id, extra, profile): |
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134 try: |
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135 if item_id: |
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136 items_id = [item_id] |
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137 else: |
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138 items_id = [] |
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139 blog_data = await self.host.bridgeCall('mbGet', |
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140 service.userhost(), |
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141 node, |
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142 C.NO_LIMIT, |
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143 items_id, |
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144 extra, |
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145 profile) |
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146 except Exception as e: |
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147 # FIXME: need a better way to test errors in bridge errback |
1216 | 148 if "forbidden" in str(e): |
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149 self.pageError(request, 401) |
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150 else: |
1216 | 151 log.warning(_("can't retrieve blog for [{service}]: {msg}".format( |
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152 service = service.userhost(), msg=e))) |
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153 blog_data = {"items": []} |
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154 else: |
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155 blog_data = data_format.deserialise(blog_data) |
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156 |
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157 return blog_data |
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158 |
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159 async def prepare_render(self, request): |
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160 data = self.getRData(request) |
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161 template_data = request.template_data |
1216 | 162 page_max = data.get("page_max", 10) |
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163 # if the comments are not explicitly hidden, we show them |
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164 service, node, item_id, show_comments = ( |
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165 data.get('service', ''), |
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166 data.get('node', ''), |
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167 data.get('item'), |
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168 data.get('show_comments', True) |
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169 ) |
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170 profile = self.getProfile(request) |
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171 if profile is None: |
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172 profile = C.SERVICE_PROFILE |
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173 profile_connected = False |
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174 else: |
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175 profile_connected = True |
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176 |
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177 ## pagination/filtering parameters |
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178 if item_id: |
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179 extra = {} |
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180 else: |
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181 extra = self.getPubsubExtra(request, page_max=page_max) |
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182 tag = data.get('tag') |
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183 if tag: |
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184 extra[f'mam_filter_{C.MAM_FILTER_CATEGORY}'] = tag |
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185 self.handleSearch(request, extra) |
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186 |
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187 ## main data ## |
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188 # we get data from backend/XMPP here |
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189 blog_items = await getBlogItems(self, request, service, node, item_id, extra, profile) |
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190 |
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191 ## navigation ## |
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192 # no let's fill service, node and pagination URLs |
1216 | 193 if 'service' not in template_data: |
194 template_data['service'] = service | |
195 if 'node' not in template_data: | |
196 template_data['node'] = node | |
197 target_profile = template_data.get('target_profile') | |
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198 |
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199 if blog_items: |
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200 if not item_id: |
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201 self.setPagination(request, blog_items) |
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202 else: |
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203 if item_id: |
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204 # if item id has been specified in URL and it's not found, |
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205 # we must return an error |
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206 self.pageError(request, C.HTTP_NOT_FOUND) |
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207 |
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208 ## identities ## |
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209 # identities are used to show nice nickname or avatars |
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210 await self.fillMissingIdentities(request, [i['author_jid'] for i in blog_items['items']]) |
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211 |
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212 ## Comments ## |
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213 # if comments are requested, we need to take them |
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214 if show_comments: |
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215 await appendComments(self, request, blog_items, profile) |
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216 |
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217 ## URLs ## |
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218 # We will fill items_http_uri and tags_http_uri in template_data with suitable urls |
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219 # if we know the profile, we use it instead of service + blog (nicer url) |
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220 if target_profile is None: |
1216 | 221 blog_base_url_item = self.getPageByName('blog_view').getURL(service.full(), node or '@', 'id') |
222 blog_base_url_tag = self.getPageByName('blog_view').getURL(service.full(), node or '@', 'tag') | |
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223 else: |
1216 | 224 blog_base_url_item = self.getURLByNames([('user', [target_profile]), ('user_blog', ['id'])]) |
225 blog_base_url_tag = self.getURLByNames([('user', [target_profile]), ('user_blog', ['tag'])]) | |
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226 # we also set the background image if specified by user |
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227 bg_img = await self.host.bridgeCall('asyncGetParamA', 'Background', 'Blog page', 'value', -1, template_data['target_profile']) |
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228 if bg_img: |
1216 | 229 template_data['dynamic_style'] = safe(""" |
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230 :root { |
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231 --bg-img: url("%s"); |
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232 } |
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233 """ % html.escape(bg_img, True)) |
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234 |
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235 template_data['blog_items'] = data['blog_items'] = blog_items |
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236 if request.args.get(b'reverse') == ['1']: |
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237 template_data['blog_items'].items.reverse() |
1216 | 238 template_data['items_http_uri'] = items_http_uri = {} |
239 template_data['tags_http_uri'] = tags_http_uri = {} | |
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240 |
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241 |
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242 for item in blog_items['items']: |
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243 blog_canonical_url = '/'.join([blog_base_url_item, utils.quote(item['id'])]) |
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244 if len(blog_canonical_url) > URL_LIMIT_MARK: |
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245 blog_url = blog_canonical_url |
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246 elif '-' not in item['id']: |
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247 # we add text from title or body at the end of URL |
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248 # to make it more human readable |
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249 # we do it only if there is no "-", as a "-" probably means that |
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250 # item's id is already user friendly. |
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251 # TODO: to be removed, this is only kept for a transition period until |
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252 # user friendly item IDs are more common. |
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253 text = regex.urlFriendlyText(item.get('title', item['content'])) |
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254 if text: |
1216 | 255 blog_url = blog_canonical_url + '/' + text |
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256 else: |
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257 blog_url = blog_canonical_url |
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258 else: |
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259 blog_url = blog_canonical_url |
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260 |
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261 items_http_uri[item['id']] = self.host.getExtBaseURL(request, blog_url) |
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262 for tag in item['tags']: |
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263 if tag not in tags_http_uri: |
1216 | 264 tag_url = '/'.join([blog_base_url_tag, utils.quote(tag)]) |
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265 tags_http_uri[tag] = self.host.getExtBaseURL(request, tag_url) |
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266 |
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267 # if True, page should display a comment box |
1216 | 268 template_data['allow_commenting'] = data.get('allow_commenting', profile_connected) |
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269 |
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270 # last but not least, we add a xmpp: link to the node |
1216 | 271 uri_args = {'path': service.full()} |
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272 if node: |
1216 | 273 uri_args['node'] = node |
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274 if item_id: |
1216 | 275 uri_args['item'] = item_id |
276 template_data['xmpp_uri'] = uri.buildXMPPUri('pubsub', subtype='microblog', **uri_args) | |
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277 |
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278 |
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279 async def on_data_post(self, request): |
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280 profile = self.getProfile(request) |
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281 if profile is None: |
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282 self.pageError(request, C.HTTP_FORBIDDEN) |
1216 | 283 type_ = self.getPostedData(request, 'type') |
284 if type_ == 'comment': | |
285 service, node, body = self.getPostedData(request, ('service', 'node', 'body')) | |
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286 |
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287 if not body: |
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288 self.pageError(request, C.HTTP_BAD_REQUEST) |
1216 | 289 comment_data = {"content": body} |
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290 try: |
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291 await self.host.bridgeCall('mbSend', |
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292 service, |
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293 node, |
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294 data_format.serialise(comment_data), |
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295 profile) |
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296 except Exception as e: |
1216 | 297 if "forbidden" in str(e): |
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298 self.pageError(request, 401) |
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299 else: |
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300 raise e |
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301 else: |
1216 | 302 log.warning(_("Unhandled data type: {}").format(type_)) |