--- a/src/plugins/plugin_exp_events.py	Fri May 19 12:40:03 2017 +0200
+++ b/src/plugins/plugin_exp_events.py	Fri May 19 12:43:41 2017 +0200
@@ -18,11 +18,14 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 from sat.core.i18n import _
+from sat.core import exceptions
 from sat.core.constants import Const as C
 from sat.core.log import getLogger
 log = getLogger(__name__)
+from sat.tools import utils
+from sat.tools.common import uri as uri_parse
 from twisted.internet import defer
-from twisted.words.protocols.jabber import jid
+from twisted.words.protocols.jabber import jid, error
 from twisted.words.xish import domish
 from wokkel import pubsub
 
@@ -49,22 +52,218 @@
         self.host = host
         self._p = self.host.plugins["XEP-0060"]
         host.bridge.addMethod("eventGet", ".plugin",
-                              in_sign='sss', out_sign='a{ss}',
+                              in_sign='ssss', out_sign='(ia{ss})',
                               method=self._eventGet,
                               async=True)
-        host.bridge.addMethod("eventSet", ".plugin",
+        host.bridge.addMethod("eventCreate", ".plugin",
+                              in_sign='ia{ss}ssss', out_sign='s',
+                              method=self._eventCreate,
+                              async=True)
+        host.bridge.addMethod("eventModify", ".plugin",
+                              in_sign='sssia{ss}s', out_sign='',
+                              method=self._eventModify,
+                              async=True)
+        host.bridge.addMethod("eventInviteeGet", ".plugin",
+                              in_sign='sss', out_sign='a{ss}',
+                              method=self._eventInviteeGet,
+                              async=True)
+        host.bridge.addMethod("eventInviteeSet", ".plugin",
                               in_sign='ssa{ss}s', out_sign='',
-                              method=self._eventSet,
+                              method=self._eventInviteeSet,
                               async=True)
 
-    def _eventGet(self, service, node, profile_key):
+    def _eventGet(self, service, node, id_=u'', profile_key=C.PROF_KEY_NONE):
         service = jid.JID(service) if service else None
         node = node if node else NS_EVENT
         client = self.host.getClient(profile_key)
-        return self.eventGet(client, service, node)
+        return self.eventGet(client, service, node, id_)
+
+    @defer.inlineCallbacks
+    def eventGet(self, client, service, node, id_=NS_EVENT):
+        """Retrieve event data
+
+        @param service(unicode, None): PubSub service
+        @param node(unicode): PubSub node of the event
+        @param id_(unicode): id_ with even data
+        @return (tuple[int, dict[unicode, unicode]): event data:
+            - timestamp of the event
+            - event metadata where key can be:
+                location: location of the event
+                image: URL of a picture to use to represent event
+                background-image: URL of a picture to use in background
+            an empty dict is returned if nothing has been answered yed
+        """
+        if not id_:
+            id_ = NS_EVENT
+        items, metadata = yield self._p.getItems(service, node, item_ids=[id_], profile_key=client.profile)
+        try:
+            event_elt = next(items[0].elements(NS_EVENT, u'event'))
+        except IndexError:
+            raise exceptions.NotFound(_(u"No event with this id has been found"))
+
+        try:
+            timestamp = utils.date_parse(next(event_elt.elements(NS_EVENT, "date")))
+        except StopIteration:
+            timestamp = -1
+
+        data = {}
+
+        for key in (u'name',):
+            try:
+                data[key] = event_elt[key]
+            except KeyError:
+                continue
+
+        for elt_name in (u'description',):
+            try:
+                elt = next(event_elt.elements(NS_EVENT, elt_name))
+            except StopIteration:
+                continue
+            else:
+                data[elt_name] = unicode(elt)
+
+        for elt_name in (u'image', 'background-image'):
+            try:
+                image_elt = next(event_elt.elements(NS_EVENT, elt_name))
+                data[elt_name] = image_elt['src']
+            except StopIteration:
+                continue
+            except KeyError:
+                log.warning(_(u'no src found for image'))
+
+        for uri_type in (u'invitees', u'blog'):
+            try:
+                elt = next(event_elt.elements(NS_EVENT, 'invitees'))
+                uri = data[uri_type + u'_uri'] = elt['uri']
+                uri_data = uri_parse.parseXMPPUri(uri)
+                if uri_data[u'type'] != u'pubsub':
+                    raise ValueError
+            except StopIteration:
+                log.warning(_(u"no {uri_type} element found!").format(uri_type=uri_type))
+            except KeyError:
+                log.warning(_(u"incomplete {uri_type} element").format(uri_type=uri_type))
+            except ValueError:
+                log.warning(_(u"bad {uri_type} element").format(uri_type=uri_type))
+            else:
+                data[uri_type + u'_service'] = uri_data[u'path']
+                data[uri_type + u'_node'] = uri_data[u'node']
+
+        for meta_elt in event_elt.elements(NS_EVENT, 'meta'):
+            key = meta_elt[u'name']
+            if key in data:
+                log.warning(u'Ignoring conflicting meta element: {xml}'.format(xml=meta_elt.toXml()))
+                continue
+            data[key] = unicode(meta_elt)
+
+        defer.returnValue((timestamp, data))
+
+    def _eventCreate(self, timestamp, data, service, node, id_=u'', profile_key=C.PROF_KEY_NONE):
+        service = jid.JID(service) if service else None
+        node = node if node else NS_EVENT
+        client = self.host.getClient(profile_key)
+        return self.eventCreate(client, timestamp, data, service, node, id_ or NS_EVENT)
 
     @defer.inlineCallbacks
-    def eventGet(self, client, service, node):
+    def eventCreate(self, client, timestamp, data, service, node=None, item_id=NS_EVENT):
+        """Create or replace an event
+
+        @param service(jid.JID, None): PubSub service
+        @param node(unicode, None): PubSub node of the event
+            None will create instant node.
+        @param item_id(unicode): ID of the item to create.
+        @param timestamp(timestamp, None)
+        @param data(dict[unicode, unicode]): data to update
+            dict will be cleared, do a copy if data are still needed
+            key can be:
+                - name: name of the event
+                - description: details
+                - image: main picture of the event
+                - background-image: image to use as background
+        @return (unicode): created node
+        """
+        if not item_id:
+            raise ValueError(_(u"item_id must be set"))
+        if not service:
+            service = client.jid.userhostJID()
+        event_elt = domish.Element((NS_EVENT, 'event'))
+        if timestamp is not None and timestamp != -1:
+            formatted_date = utils.xmpp_date(timestamp)
+            event_elt.addElement((NS_EVENT, 'date'), content=formatted_date)
+        for key in (u'name',):
+            if key in data:
+                event_elt[key] = data.pop(key)
+        for key in (u'description',):
+            if key in data:
+                event_elt.addElement((NS_EVENT, key), content=data.pop(key))
+        for key in (u'image', u'background-image'):
+            if key in data:
+                elt = event_elt.addElement((NS_EVENT, key))
+                elt['src'] = data.pop(key)
+
+        # we first create the invitees and blog nodes (if not specified in data)
+        for uri_type in (u'invitees', u'blog'):
+            key = uri_type + u'_uri'
+            if key not in data:
+                # FIXME: affiliate invitees
+                uri_node = yield self._p.createNode(client, service)
+                yield self._p.setConfiguration(client, service, uri_node, {self._p.OPT_ACCESS_MODEL: self._p.ACCESS_WHITELIST})
+                uri_service = service
+            else:
+                # we suppose that *_service and *_node are present
+                # FIXME: handle cases when they are not
+                uri_service = data.pop(uri_type + u'_service')
+                uri_node = data.pop(uri_type + u'_node')
+                del data[key]
+
+            elt = event_elt.addElement((NS_EVENT, uri_type))
+            elt['uri'] = uri_parse.buildXMPPUri('pubsub', path=uri_service.full(), node=uri_node)
+
+        # remaining data are put in <meta> elements
+        for key in data.keys():
+            elt = event_elt.addElement((NS_EVENT, 'meta'), content = data.pop(key))
+            elt['name'] = key
+
+        item_elt = pubsub.Item(id=item_id, payload=event_elt)
+        try:
+            # TODO: check auto-create, no need to create node first if available
+            node = yield self._p.createNode(client, service, nodeIdentifier=node)
+        except error.StanzaError as e:
+            if e.condition == u'conflict':
+                log.debug(_(u"requested node already exists"))
+
+        yield self._p.publish(service, node, items=[item_elt], profile_key=client.profile)
+
+        defer.returnValue(node)
+
+    def _eventModify(self, service, node, id_, timestamp_update, data_update, profile_key=C.PROF_KEY_NONE):
+        service = jid.JID(service) if service else None
+        node = node if node else NS_EVENT
+        client = self.host.getClient(profile_key)
+        return self.eventModify(client, service, node, id_ or NS_EVENT, timestamp_update or None, data_update)
+
+    @defer.inlineCallbacks
+    def eventModify(self, client, service, node, id_=NS_EVENT, timestamp_update=None, data_update=None):
+        """Update an event
+
+        Similar as create instead that it update existing item instead of
+        creating or replacing it. Params are the same as for [eventCreate].
+        """
+        event_timestamp, event_metadata = yield self.eventGet(client, service, node, id_)
+        new_timestamp = event_timestamp if timestamp_update is None else timestamp_update
+        new_data = event_metadata
+        if data_update:
+            for k, v in data_update.iteritems():
+                new_data[k] = v
+        yield self.eventCreate(client, new_timestamp, new_data, service, node, id_)
+
+    def _eventInviteeGet(self, service, node, profile_key):
+        service = jid.JID(service) if service else None
+        node = node if node else NS_EVENT
+        client = self.host.getClient(profile_key)
+        return self.eventInviteeGet(client, service, node)
+
+    @defer.inlineCallbacks
+    def eventInviteeGet(self, client, service, node):
         """Retrieve attendance from event node
 
         @param service(unicode, None): PubSub service
@@ -74,7 +273,7 @@
         """
         items, metadata = yield self._p.getItems(service, node, item_ids=[client.jid.userhost()], profile_key=client.profile)
         try:
-            event_elt = next(items[0].elements((NS_EVENT, u'event')))
+            event_elt = next(items[0].elements(NS_EVENT, u'invitee'))
         except IndexError:
             # no item found, event data are not set yet
             defer.returnValue({})
@@ -86,13 +285,13 @@
                 continue
         defer.returnValue(data)
 
-    def _eventSet(self, service, node, event_data,  profile_key):
+    def _eventInviteeSet(self, service, node, event_data,  profile_key):
         service = jid.JID(service) if service else None
         node = node if node else NS_EVENT
         client = self.host.getClient(profile_key)
-        return self.eventSet(client, service, node, event_data)
+        return self.eventInviteeSet(client, service, node, event_data)
 
-    def eventSet(self, client, service, node, data):
+    def eventInviteeSet(self, client, service, node, data):
         """Set or update attendance data in event node
 
         @param service(unicode, None): PubSub service
@@ -102,7 +301,7 @@
                 attend: one of "yes", "no", "maybe"
                 guests: an int
         """
-        event_elt = domish.Element((NS_EVENT, 'event'))
+        event_elt = domish.Element((NS_EVENT, 'invitee'))
         for key in (u'attend', u'guests'):
             try:
                 event_elt[key] = data.pop(key)