Mercurial > libervia-backend
annotate libervia/backend/plugins/plugin_misc_forums.py @ 4161:2074b2bbe616
core (memory/sqla_mapping): `delete-orphan` in History:
add `cascade=delete-orphan` to History's `messages`, `subjects` and `thread`, to make
modification of those attributes easier.
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Tue, 28 Nov 2023 17:35:20 +0100 |
| parents | 4b842c1fb686 |
| children | 5d056d524298 |
| rev | line source |
|---|---|
| 3028 | 1 #!/usr/bin/env python3 |
| 3137 | 2 |
| 2484 | 3 |
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4 # SAT plugin for pubsub forums |
| 3479 | 5 # Copyright (C) 2009-2021 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 | |
|
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20 from libervia.backend.core.i18n import _ |
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21 from libervia.backend.core.constants import Const as C |
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22 from libervia.backend.core import exceptions |
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23 from libervia.backend.core.log import getLogger |
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24 from libervia.backend.tools.common import uri, data_format |
| 2484 | 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_DELIVER_PAYLOADS: 1, | |
| 62 self._p.OPT_SEND_ITEM_SUBSCRIBE: 1, | |
| 63 self._p.OPT_PUBLISH_MODEL: self._p.ACCESS_OPEN, | |
| 64 } | |
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65 host.register_namespace('forums', NS_FORUMS) |
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66 host.bridge.add_method("forums_get", ".plugin", |
| 2484 | 67 in_sign='ssss', out_sign='s', |
| 68 method=self._get, | |
| 3028 | 69 async_=True) |
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70 host.bridge.add_method("forums_set", ".plugin", |
| 2484 | 71 in_sign='sssss', out_sign='', |
| 72 method=self._set, | |
| 3028 | 73 async_=True) |
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74 host.bridge.add_method("forum_topics_get", ".plugin", |
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75 in_sign='ssa{ss}s', out_sign='(aa{ss}s)', |
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76 method=self._get_topics, |
| 3028 | 77 async_=True) |
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78 host.bridge.add_method("forum_topic_create", ".plugin", |
| 2484 | 79 in_sign='ssa{ss}s', out_sign='', |
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80 method=self._create_topic, |
| 3028 | 81 async_=True) |
| 2484 | 82 |
| 83 @defer.inlineCallbacks | |
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84 def _create_forums(self, client, forums, service, node, forums_elt=None, names=None): |
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85 """Recursively create <forums> element(s) |
| 2484 | 86 |
| 87 @param forums(list): forums which may have subforums | |
| 88 @param service(jid.JID): service where the new nodes will be created | |
| 89 @param node(unicode): node of the forums | |
| 90 will be used as basis for the newly created nodes | |
| 91 @param parent_elt(domish.Element, None): element where the forum must be added | |
| 92 if None, the root <forums> element will be created | |
| 93 @return (domish.Element): created forums | |
| 94 """ | |
| 95 if not isinstance(forums, list): | |
| 3028 | 96 raise ValueError(_("forums arguments must be a list of forums")) |
| 2484 | 97 if forums_elt is None: |
| 3028 | 98 forums_elt = domish.Element((NS_FORUMS, 'forums')) |
| 2484 | 99 assert names is None |
| 100 names = set() | |
| 101 else: | |
| 3028 | 102 if names is None or forums_elt.name != 'forums': |
| 103 raise exceptions.InternalError('invalid forums or names') | |
| 2484 | 104 assert names is not None |
| 105 | |
| 106 for forum in forums: | |
| 107 if not isinstance(forum, dict): | |
| 3028 | 108 raise ValueError(_("A forum item must be a dictionary")) |
| 2484 | 109 forum_elt = forums_elt.addElement('forum') |
| 110 | |
| 3028 | 111 for key, value in forum.items(): |
| 112 if key == 'name' and key in names: | |
| 113 raise exceptions.ConflictError(_("following forum name is not unique: {name}").format(name=key)) | |
| 114 if key == 'uri' and not value.strip(): | |
| 115 log.info(_("creating missing forum node")) | |
| 2484 | 116 forum_node = FORUM_TOPICS_NODE_TPL.format(node=node, uuid=shortuuid.uuid()) |
| 117 yield self._p.createNode(client, service, forum_node, self._node_options) | |
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118 value = uri.build_xmpp_uri('pubsub', |
| 2484 | 119 path=service.full(), |
| 120 node=forum_node) | |
| 121 if key in FORUM_ATTR: | |
| 122 forum_elt[key] = value.strip() | |
| 123 elif key in FORUM_SUB_ELTS: | |
| 124 forum_elt.addElement(key, content=value) | |
| 3028 | 125 elif key == 'sub-forums': |
| 126 sub_forums_elt = forum_elt.addElement('forums') | |
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127 yield self._create_forums(client, value, service, node, sub_forums_elt, names=names) |
| 2484 | 128 else: |
| 3028 | 129 log.warning(_("Unknown forum attribute: {key}").format(key=key)) |
| 130 if not forum_elt.getAttribute('title'): | |
| 131 name = forum_elt.getAttribute('name') | |
| 2484 | 132 if name: |
| 3028 | 133 forum_elt['title'] = name |
| 2484 | 134 else: |
| 3028 | 135 raise ValueError(_("forum need a title or a name")) |
| 136 if not forum_elt.getAttribute('uri') and not forum_elt.children: | |
| 137 raise ValueError(_("forum need uri or sub-forums")) | |
| 2484 | 138 defer.returnValue(forums_elt) |
| 139 | |
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140 def _parse_forums(self, parent_elt=None, forums=None): |
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141 """Recursivly parse a <forums> elements and return corresponding forums data |
| 2484 | 142 |
| 143 @param item(domish.Element): item with <forums> element | |
| 144 @param parent_elt(domish.Element, None): element to parse | |
| 145 @return (list): parsed data | |
| 146 @raise ValueError: item is invalid | |
| 147 """ | |
| 3028 | 148 if parent_elt.name == 'item': |
| 2484 | 149 forums = [] |
| 150 try: | |
| 3028 | 151 forums_elt = next(parent_elt.elements(NS_FORUMS, 'forums')) |
| 2484 | 152 except StopIteration: |
| 3028 | 153 raise ValueError(_("missing <forums> element")) |
| 2484 | 154 else: |
| 155 forums_elt = parent_elt | |
| 156 if forums is None: | |
| 3028 | 157 raise exceptions.InternalError('expected forums') |
| 2484 | 158 if forums_elt.name != 'forums': |
| 3028 | 159 raise ValueError(_('Unexpected element: {xml}').format(xml=forums_elt.toXml())) |
| 2484 | 160 for forum_elt in forums_elt.elements(): |
| 161 if forum_elt.name == 'forum': | |
| 162 data = {} | |
| 163 for attrib in FORUM_ATTR.intersection(forum_elt.attributes): | |
| 164 data[attrib] = forum_elt[attrib] | |
| 165 unknown = set(forum_elt.attributes).difference(FORUM_ATTR) | |
| 166 if unknown: | |
| 3028 | 167 log.warning(_("Following attributes are unknown: {unknown}").format(unknown=unknown)) |
| 2484 | 168 for elt in forum_elt.elements(): |
| 169 if elt.name in FORUM_SUB_ELTS: | |
| 3028 | 170 data[elt.name] = str(elt) |
| 171 elif elt.name == 'forums': | |
| 172 sub_forums = data['sub-forums'] = [] | |
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173 self._parse_forums(elt, sub_forums) |
| 3028 | 174 if not 'title' in data or not {'uri', 'sub-forums'}.intersection(data): |
| 175 log.warning(_("invalid forum, ignoring: {xml}").format(xml=forum_elt.toXml())) | |
| 2484 | 176 else: |
| 177 forums.append(data) | |
| 178 else: | |
| 3028 | 179 log.warning(_("unkown forums sub element: {xml}").format(xml=forum_elt)) |
| 2484 | 180 |
| 181 return forums | |
| 182 | |
| 183 def _get(self, service=None, node=None, forums_key=None, profile_key=C.PROF_KEY_NONE): | |
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184 client = self.host.get_client(profile_key) |
| 2484 | 185 if service.strip(): |
| 186 service = jid.JID(service) | |
| 187 else: | |
| 188 service = None | |
| 189 if not node.strip(): | |
| 190 node = None | |
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191 d = defer.ensureDeferred(self.get(client, service, node, forums_key or None)) |
| 2484 | 192 d.addCallback(lambda data: json.dumps(data)) |
| 193 return d | |
| 194 | |
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195 async def get(self, client, service=None, node=None, forums_key=None): |
| 2484 | 196 if service is None: |
| 197 service = client.pubsub_service | |
| 198 if node is None: | |
| 199 node = NS_FORUMS | |
| 200 if forums_key is None: | |
| 3028 | 201 forums_key = 'default' |
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202 items_data = await self._p.get_items(client, service, node, item_ids=[forums_key]) |
| 2484 | 203 item = items_data[0][0] |
| 204 # we have the item and need to convert it to json | |
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205 forums = self._parse_forums(item) |
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206 return forums |
| 2484 | 207 |
| 208 def _set(self, forums, service=None, node=None, forums_key=None, profile_key=C.PROF_KEY_NONE): | |
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209 client = self.host.get_client(profile_key) |
| 2484 | 210 forums = json.loads(forums) |
| 211 if service.strip(): | |
| 212 service = jid.JID(service) | |
| 213 else: | |
| 214 service = None | |
| 215 if not node.strip(): | |
| 216 node = None | |
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217 return defer.ensureDeferred( |
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218 self.set(client, forums, service, node, forums_key or None) |
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219 ) |
| 2484 | 220 |
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221 async def set(self, client, forums, service=None, node=None, forums_key=None): |
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222 """Create or replace forums structure |
| 2484 | 223 |
| 224 @param forums(list): list of dictionary as follow: | |
| 225 a dictionary represent a forum metadata, with the following keys: | |
| 226 - title: title of the forum | |
| 227 - name: short name (unique in those forums) for the forum | |
| 228 - main-language: main language to be use in the forums | |
| 229 - uri: XMPP uri to the microblog node hosting the forum | |
| 230 - short-desc: short description of the forum (in main-language) | |
| 231 - desc: long description of the forum (in main-language) | |
| 232 - sub-forums: a list of sub-forums with the same structure | |
| 233 title or name is needed, and uri or sub-forums | |
| 234 @param forums_key(unicode, None): key (i.e. item id) of the forums | |
| 235 may be used to store different forums structures for different languages | |
| 236 None to use "default" | |
| 237 """ | |
| 238 if service is None: | |
| 239 service = client.pubsub_service | |
| 240 if node is None: | |
| 241 node = NS_FORUMS | |
| 242 if forums_key is None: | |
| 3028 | 243 forums_key = 'default' |
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244 forums_elt = await self._create_forums(client, forums, service, node) |
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245 return await self._p.send_item( |
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246 client, service, node, forums_elt, item_id=forums_key |
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247 ) |
| 2484 | 248 |
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249 def _get_topics(self, service, node, extra=None, profile_key=C.PROF_KEY_NONE): |
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250 client = self.host.get_client(profile_key) |
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251 extra = self._p.parse_extra(extra) |
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252 d = defer.ensureDeferred( |
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253 self.get_topics( |
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254 client, jid.JID(service), node, rsm_request=extra.rsm_request, |
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255 extra=extra.extra |
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256 ) |
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257 ) |
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258 d.addCallback( |
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259 lambda topics_data: (topics_data[0], data_format.serialise(topics_data[1])) |
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260 ) |
| 2484 | 261 return d |
| 262 | |
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263 async def get_topics(self, client, service, node, rsm_request=None, extra=None): |
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264 """Retrieve topics data |
| 2484 | 265 |
| 266 Topics are simple microblog URIs with some metadata duplicated from first post | |
| 267 """ | |
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268 topics_data = await self._p.get_items( |
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269 client, service, node, rsm_request=rsm_request, extra=extra |
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270 ) |
| 2484 | 271 topics = [] |
| 272 item_elts, metadata = topics_data | |
| 273 for item_elt in item_elts: | |
| 3028 | 274 topic_elt = next(item_elt.elements(NS_FORUMS, 'topic')) |
| 275 title_elt = next(topic_elt.elements(NS_FORUMS, 'title')) | |
| 276 topic = {'uri': topic_elt['uri'], | |
| 277 'author': topic_elt['author'], | |
| 278 'title': str(title_elt)} | |
| 2484 | 279 topics.append(topic) |
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280 return (topics, metadata) |
| 2484 | 281 |
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282 def _create_topic(self, service, node, mb_data, profile_key): |
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283 client = self.host.get_client(profile_key) |
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284 return defer.ensureDeferred( |
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285 self.create_topic(client, jid.JID(service), node, mb_data) |
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286 ) |
| 2484 | 287 |
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288 async def create_topic(self, client, service, node, mb_data): |
| 2484 | 289 try: |
| 3028 | 290 title = mb_data['title'] |
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291 content = mb_data.pop('content') |
| 2484 | 292 except KeyError as e: |
| 3028 | 293 raise exceptions.DataError("missing mandatory data: {key}".format(key=e.args[0])) |
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294 else: |
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295 mb_data["content_rich"] = content |
| 2484 | 296 topic_node = FORUM_TOPIC_NODE_TPL.format(node=node, uuid=shortuuid.uuid()) |
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297 await self._p.createNode(client, service, topic_node, self._node_options) |
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298 await self._m.send(client, mb_data, service, topic_node) |
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299 topic_uri = uri.build_xmpp_uri('pubsub', |
| 3028 | 300 subtype='microblog', |
| 2484 | 301 path=service.full(), |
| 302 node=topic_node) | |
| 303 topic_elt = domish.Element((NS_FORUMS, 'topic')) | |
| 3028 | 304 topic_elt['uri'] = topic_uri |
| 305 topic_elt['author'] = client.jid.userhost() | |
| 306 topic_elt.addElement('title', content = title) | |
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307 await self._p.send_item(client, service, node, topic_elt) |