Mercurial > libervia-backend
annotate sat/plugins/plugin_misc_forums.py @ 3248:5d67502bdc8c
core (exceptions): new MissingPlugin exception:
it is used when a feature needs an inactive or unavailable plugin.
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Fri, 03 Apr 2020 18:02:27 +0200 |
| parents | 559a625a236b |
| children | be6d91572633 |
| rev | line source |
|---|---|
| 3028 | 1 #!/usr/bin/env python3 |
| 3137 | 2 |
| 2484 | 3 |
|
2959
989b622faff6
plugins schema, tickets, merge_requests: use serialised data for extra dict + some cosmetic changes
Goffi <goffi@goffi.org>
parents:
2771
diff
changeset
|
4 # SAT plugin for pubsub forums |
| 3136 | 5 # Copyright (C) 2009-2020 Jérôme Poisson (goffi@goffi.org) |
| 2484 | 6 |
| 7 # This program is free software: you can redistribute it and/or modify | |
| 8 # it under the terms of the GNU Affero General Public License as published by | |
| 9 # the Free Software Foundation, either version 3 of the License, or | |
| 10 # (at your option) any later version. | |
| 11 | |
| 12 # This program is distributed in the hope that it will be useful, | |
| 13 # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 # GNU Affero General Public License for more details. | |
| 16 | |
| 17 # You should have received a copy of the GNU Affero General Public License | |
| 18 # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 19 | |
| 20 from sat.core.i18n import _ | |
| 21 from sat.core.constants import Const as C | |
| 22 from sat.core import exceptions | |
| 23 from sat.core.log import getLogger | |
| 24 from sat.tools.common import uri | |
| 25 from twisted.words.protocols.jabber import jid | |
| 26 from twisted.words.xish import domish | |
| 27 from twisted.internet import defer | |
| 28 import shortuuid | |
| 29 import json | |
| 30 log = getLogger(__name__) | |
| 31 | |
| 3028 | 32 NS_FORUMS = 'org.salut-a-toi.forums:0' |
| 33 NS_FORUMS_TOPICS = NS_FORUMS + '#topics' | |
| 2484 | 34 |
| 35 PLUGIN_INFO = { | |
| 36 C.PI_NAME: _("forums management"), | |
| 37 C.PI_IMPORT_NAME: "forums", | |
| 38 C.PI_TYPE: "EXP", | |
| 39 C.PI_PROTOCOLS: [], | |
| 40 C.PI_DEPENDENCIES: ["XEP-0060", "XEP-0277"], | |
| 41 C.PI_MAIN: "forums", | |
| 42 C.PI_HANDLER: "no", | |
| 43 C.PI_DESCRIPTION: _("""forums management plugin""") | |
| 44 } | |
| 3028 | 45 FORUM_ATTR = {'title', 'name', 'main-language', 'uri'} |
| 46 FORUM_SUB_ELTS = ('short-desc', 'desc') | |
| 47 FORUM_TOPICS_NODE_TPL = '{node}#topics_{uuid}' | |
| 48 FORUM_TOPIC_NODE_TPL = '{node}_{uuid}' | |
| 2484 | 49 |
| 50 | |
| 51 class forums(object): | |
| 52 | |
| 53 def __init__(self, host): | |
| 3028 | 54 log.info(_("forums plugin initialization")) |
| 2484 | 55 self.host = host |
| 56 self._m = self.host.plugins['XEP-0277'] | |
| 57 self._p = self.host.plugins['XEP-0060'] | |
| 58 self._node_options = { | |
| 59 self._p.OPT_ACCESS_MODEL: self._p.ACCESS_OPEN, | |
| 60 self._p.OPT_PERSIST_ITEMS: 1, | |
| 61 self._p.OPT_MAX_ITEMS: -1, | |
| 62 self._p.OPT_DELIVER_PAYLOADS: 1, | |
| 63 self._p.OPT_SEND_ITEM_SUBSCRIBE: 1, | |
| 64 self._p.OPT_PUBLISH_MODEL: self._p.ACCESS_OPEN, | |
| 65 } | |
| 66 host.registerNamespace('forums', NS_FORUMS) | |
| 67 host.bridge.addMethod("forumsGet", ".plugin", | |
| 68 in_sign='ssss', out_sign='s', | |
| 69 method=self._get, | |
| 3028 | 70 async_=True) |
| 2484 | 71 host.bridge.addMethod("forumsSet", ".plugin", |
| 72 in_sign='sssss', out_sign='', | |
| 73 method=self._set, | |
| 3028 | 74 async_=True) |
| 2484 | 75 host.bridge.addMethod("forumTopicsGet", ".plugin", |
| 76 in_sign='ssa{ss}s', out_sign='(aa{ss}a{ss})', | |
| 77 method=self._getTopics, | |
| 3028 | 78 async_=True) |
| 2484 | 79 host.bridge.addMethod("forumTopicCreate", ".plugin", |
| 80 in_sign='ssa{ss}s', out_sign='', | |
| 81 method=self._createTopic, | |
| 3028 | 82 async_=True) |
| 2484 | 83 |
| 84 @defer.inlineCallbacks | |
| 85 def _createForums(self, client, forums, service, node, forums_elt=None, names=None): | |
|
2959
989b622faff6
plugins schema, tickets, merge_requests: use serialised data for extra dict + some cosmetic changes
Goffi <goffi@goffi.org>
parents:
2771
diff
changeset
|
86 """Recursively create <forums> element(s) |
| 2484 | 87 |
| 88 @param forums(list): forums which may have subforums | |
| 89 @param service(jid.JID): service where the new nodes will be created | |
| 90 @param node(unicode): node of the forums | |
| 91 will be used as basis for the newly created nodes | |
| 92 @param parent_elt(domish.Element, None): element where the forum must be added | |
| 93 if None, the root <forums> element will be created | |
| 94 @return (domish.Element): created forums | |
| 95 """ | |
| 96 if not isinstance(forums, list): | |
| 3028 | 97 raise ValueError(_("forums arguments must be a list of forums")) |
| 2484 | 98 if forums_elt is None: |
| 3028 | 99 forums_elt = domish.Element((NS_FORUMS, 'forums')) |
| 2484 | 100 assert names is None |
| 101 names = set() | |
| 102 else: | |
| 3028 | 103 if names is None or forums_elt.name != 'forums': |
| 104 raise exceptions.InternalError('invalid forums or names') | |
| 2484 | 105 assert names is not None |
| 106 | |
| 107 for forum in forums: | |
| 108 if not isinstance(forum, dict): | |
| 3028 | 109 raise ValueError(_("A forum item must be a dictionary")) |
| 2484 | 110 forum_elt = forums_elt.addElement('forum') |
| 111 | |
| 3028 | 112 for key, value in forum.items(): |
| 113 if key == 'name' and key in names: | |
| 114 raise exceptions.ConflictError(_("following forum name is not unique: {name}").format(name=key)) | |
| 115 if key == 'uri' and not value.strip(): | |
| 116 log.info(_("creating missing forum node")) | |
| 2484 | 117 forum_node = FORUM_TOPICS_NODE_TPL.format(node=node, uuid=shortuuid.uuid()) |
| 118 yield self._p.createNode(client, service, forum_node, self._node_options) | |
| 3028 | 119 value = uri.buildXMPPUri('pubsub', |
| 2484 | 120 path=service.full(), |
| 121 node=forum_node) | |
| 122 if key in FORUM_ATTR: | |
| 123 forum_elt[key] = value.strip() | |
| 124 elif key in FORUM_SUB_ELTS: | |
| 125 forum_elt.addElement(key, content=value) | |
| 3028 | 126 elif key == 'sub-forums': |
| 127 sub_forums_elt = forum_elt.addElement('forums') | |
| 2484 | 128 yield self._createForums(client, value, service, node, sub_forums_elt, names=names) |
| 129 else: | |
| 3028 | 130 log.warning(_("Unknown forum attribute: {key}").format(key=key)) |
| 131 if not forum_elt.getAttribute('title'): | |
| 132 name = forum_elt.getAttribute('name') | |
| 2484 | 133 if name: |
| 3028 | 134 forum_elt['title'] = name |
| 2484 | 135 else: |
| 3028 | 136 raise ValueError(_("forum need a title or a name")) |
| 137 if not forum_elt.getAttribute('uri') and not forum_elt.children: | |
| 138 raise ValueError(_("forum need uri or sub-forums")) | |
| 2484 | 139 defer.returnValue(forums_elt) |
| 140 | |
| 141 def _parseForums(self, parent_elt=None, forums=None): | |
|
2959
989b622faff6
plugins schema, tickets, merge_requests: use serialised data for extra dict + some cosmetic changes
Goffi <goffi@goffi.org>
parents:
2771
diff
changeset
|
142 """Recursivly parse a <forums> elements and return corresponding forums data |
| 2484 | 143 |
| 144 @param item(domish.Element): item with <forums> element | |
| 145 @param parent_elt(domish.Element, None): element to parse | |
| 146 @return (list): parsed data | |
| 147 @raise ValueError: item is invalid | |
| 148 """ | |
| 3028 | 149 if parent_elt.name == 'item': |
| 2484 | 150 forums = [] |
| 151 try: | |
| 3028 | 152 forums_elt = next(parent_elt.elements(NS_FORUMS, 'forums')) |
| 2484 | 153 except StopIteration: |
| 3028 | 154 raise ValueError(_("missing <forums> element")) |
| 2484 | 155 else: |
| 156 forums_elt = parent_elt | |
| 157 if forums is None: | |
| 3028 | 158 raise exceptions.InternalError('expected forums') |
| 2484 | 159 if forums_elt.name != 'forums': |
| 3028 | 160 raise ValueError(_('Unexpected element: {xml}').format(xml=forums_elt.toXml())) |
| 2484 | 161 for forum_elt in forums_elt.elements(): |
| 162 if forum_elt.name == 'forum': | |
| 163 data = {} | |
| 164 for attrib in FORUM_ATTR.intersection(forum_elt.attributes): | |
| 165 data[attrib] = forum_elt[attrib] | |
| 166 unknown = set(forum_elt.attributes).difference(FORUM_ATTR) | |
| 167 if unknown: | |
| 3028 | 168 log.warning(_("Following attributes are unknown: {unknown}").format(unknown=unknown)) |
| 2484 | 169 for elt in forum_elt.elements(): |
| 170 if elt.name in FORUM_SUB_ELTS: | |
| 3028 | 171 data[elt.name] = str(elt) |
| 172 elif elt.name == 'forums': | |
| 173 sub_forums = data['sub-forums'] = [] | |
| 2484 | 174 self._parseForums(elt, sub_forums) |
| 3028 | 175 if not 'title' in data or not {'uri', 'sub-forums'}.intersection(data): |
| 176 log.warning(_("invalid forum, ignoring: {xml}").format(xml=forum_elt.toXml())) | |
| 2484 | 177 else: |
| 178 forums.append(data) | |
| 179 else: | |
| 3028 | 180 log.warning(_("unkown forums sub element: {xml}").format(xml=forum_elt)) |
| 2484 | 181 |
| 182 return forums | |
| 183 | |
| 184 def _get(self, service=None, node=None, forums_key=None, profile_key=C.PROF_KEY_NONE): | |
| 185 client = self.host.getClient(profile_key) | |
| 186 if service.strip(): | |
| 187 service = jid.JID(service) | |
| 188 else: | |
| 189 service = None | |
| 190 if not node.strip(): | |
| 191 node = None | |
| 192 d=self.get(client, service, node, forums_key or None) | |
| 193 d.addCallback(lambda data: json.dumps(data)) | |
| 194 return d | |
| 195 | |
| 196 @defer.inlineCallbacks | |
| 197 def get(self, client, service=None, node=None, forums_key=None): | |
| 198 if service is None: | |
| 199 service = client.pubsub_service | |
| 200 if node is None: | |
| 201 node = NS_FORUMS | |
| 202 if forums_key is None: | |
| 3028 | 203 forums_key = 'default' |
| 2484 | 204 items_data = yield self._p.getItems(client, service, node, item_ids=[forums_key]) |
| 205 item = items_data[0][0] | |
| 206 # we have the item and need to convert it to json | |
| 207 forums = self._parseForums(item) | |
| 208 defer.returnValue(forums) | |
| 209 | |
| 210 def _set(self, forums, service=None, node=None, forums_key=None, profile_key=C.PROF_KEY_NONE): | |
| 211 client = self.host.getClient(profile_key) | |
| 212 forums = json.loads(forums) | |
| 213 if service.strip(): | |
| 214 service = jid.JID(service) | |
| 215 else: | |
| 216 service = None | |
| 217 if not node.strip(): | |
| 218 node = None | |
| 219 return self.set(client, forums, service, node, forums_key or None) | |
| 220 | |
| 221 @defer.inlineCallbacks | |
| 222 def set(self, client, forums, service=None, node=None, forums_key=None): | |
|
2959
989b622faff6
plugins schema, tickets, merge_requests: use serialised data for extra dict + some cosmetic changes
Goffi <goffi@goffi.org>
parents:
2771
diff
changeset
|
223 """Create or replace forums structure |
| 2484 | 224 |
| 225 @param forums(list): list of dictionary as follow: | |
| 226 a dictionary represent a forum metadata, with the following keys: | |
| 227 - title: title of the forum | |
| 228 - name: short name (unique in those forums) for the forum | |
| 229 - main-language: main language to be use in the forums | |
| 230 - uri: XMPP uri to the microblog node hosting the forum | |
| 231 - short-desc: short description of the forum (in main-language) | |
| 232 - desc: long description of the forum (in main-language) | |
| 233 - sub-forums: a list of sub-forums with the same structure | |
| 234 title or name is needed, and uri or sub-forums | |
| 235 @param forums_key(unicode, None): key (i.e. item id) of the forums | |
| 236 may be used to store different forums structures for different languages | |
| 237 None to use "default" | |
| 238 """ | |
| 239 if service is None: | |
| 240 service = client.pubsub_service | |
| 241 if node is None: | |
| 242 node = NS_FORUMS | |
| 243 if forums_key is None: | |
| 3028 | 244 forums_key = 'default' |
| 2484 | 245 forums_elt = yield self._createForums(client, forums, service, node) |
| 246 yield self._p.sendItem(client, service, node, forums_elt, item_id=forums_key) | |
| 247 | |
| 248 def _getTopics(self, service, node, extra=None, profile_key=C.PROF_KEY_NONE): | |
| 249 client = self.host.getClient(profile_key) | |
| 250 extra = self._p.parseExtra(extra) | |
| 251 d = self.getTopics(client, jid.JID(service), node, rsm_request=extra.rsm_request, extra=extra.extra) | |
| 3028 | 252 d.addCallback(lambda topics_metadata: (topics_metadata[0], {k: str(v) for k,v in topics_metadata[1].items()})) |
| 2484 | 253 return d |
| 254 | |
| 255 @defer.inlineCallbacks | |
| 256 def getTopics(self, client, service, node, rsm_request=None, extra=None): | |
|
2959
989b622faff6
plugins schema, tickets, merge_requests: use serialised data for extra dict + some cosmetic changes
Goffi <goffi@goffi.org>
parents:
2771
diff
changeset
|
257 """Retrieve topics data |
| 2484 | 258 |
| 259 Topics are simple microblog URIs with some metadata duplicated from first post | |
| 260 """ | |
| 261 topics_data = yield self._p.getItems(client, service, node, rsm_request=rsm_request, extra=extra) | |
| 262 topics = [] | |
| 263 item_elts, metadata = topics_data | |
| 264 for item_elt in item_elts: | |
| 3028 | 265 topic_elt = next(item_elt.elements(NS_FORUMS, 'topic')) |
| 266 title_elt = next(topic_elt.elements(NS_FORUMS, 'title')) | |
| 267 topic = {'uri': topic_elt['uri'], | |
| 268 'author': topic_elt['author'], | |
| 269 'title': str(title_elt)} | |
| 2484 | 270 topics.append(topic) |
| 271 defer.returnValue((topics, metadata)) | |
| 272 | |
| 273 def _createTopic(self, service, node, mb_data, profile_key): | |
| 274 client = self.host.getClient(profile_key) | |
| 275 return self.createTopic(client, jid.JID(service), node, mb_data) | |
| 276 | |
| 277 @defer.inlineCallbacks | |
| 278 def createTopic(self, client, service, node, mb_data): | |
| 279 try: | |
| 3028 | 280 title = mb_data['title'] |
| 281 if not 'content' in mb_data: | |
| 282 raise KeyError('content') | |
| 2484 | 283 except KeyError as e: |
| 3028 | 284 raise exceptions.DataError("missing mandatory data: {key}".format(key=e.args[0])) |
| 2484 | 285 |
| 286 topic_node = FORUM_TOPIC_NODE_TPL.format(node=node, uuid=shortuuid.uuid()) | |
| 287 yield self._p.createNode(client, service, topic_node, self._node_options) | |
| 288 self._m.send(client, mb_data, service, topic_node) | |
| 3028 | 289 topic_uri = uri.buildXMPPUri('pubsub', |
| 290 subtype='microblog', | |
| 2484 | 291 path=service.full(), |
| 292 node=topic_node) | |
| 293 topic_elt = domish.Element((NS_FORUMS, 'topic')) | |
| 3028 | 294 topic_elt['uri'] = topic_uri |
| 295 topic_elt['author'] = client.jid.userhost() | |
| 296 topic_elt.addElement('title', content = title) | |
| 2484 | 297 yield self._p.sendItem(client, service, node, topic_elt) |