%%%---------------------------------------------------------------------- %%% File : node_dispatch.erl %%% Author : Christophe Romain %%% Purpose : Publish item to node and all child subnodes %%% Created : 1 Dec 2007 by Christophe Romain %%% %%% %%% ejabberd, Copyright (C) 2002-2017 ProcessOne %%% %%% This program is free software; you can redistribute it and/or %%% modify it under the terms of the GNU General Public License as %%% published by the Free Software Foundation; either version 2 of the %%% License, or (at your option) any later version. %%% %%% This program is distributed in the hope that it will be useful, %%% but WITHOUT ANY WARRANTY; without even the implied warranty of %%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU %%% General Public License for more details. %%% %%% You should have received a copy of the GNU General Public License along %%% with this program; if not, write to the Free Software Foundation, Inc., %%% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. %%% %%%---------------------------------------------------------------------- %%% @doc

The {@module} module is a PubSub plugin whose %%% goal is to republished each published item to all its children.

%%%

Users cannot subscribe to this node, but are supposed to subscribe to %%% its children.

%%% This module can not work with virtual nodetree -module(node_dispatch). -behaviour(gen_pubsub_node). -author('christophe.romain@process-one.net'). -include("pubsub.hrl"). -include("xmpp.hrl"). -export([init/3, terminate/2, options/0, features/0, create_node_permission/6, create_node/2, delete_node/1, purge_node/2, subscribe_node/8, unsubscribe_node/4, publish_item/7, delete_item/4, remove_extra_items/3, get_entity_affiliations/2, get_node_affiliations/1, get_affiliation/2, set_affiliation/3, get_entity_subscriptions/2, get_node_subscriptions/1, get_subscriptions/2, set_subscriptions/4, get_pending_nodes/2, get_states/1, get_state/2, set_state/1, get_items/7, get_items/3, get_item/7, get_last_items/3, get_item/2, set_item/1, get_item_name/3, node_to_path/1, path_to_node/1]). init(Host, ServerHost, Opts) -> node_hometree:init(Host, ServerHost, Opts). terminate(Host, ServerHost) -> node_hometree:terminate(Host, ServerHost). options() -> [{deliver_payloads, true}, {notify_config, false}, {notify_delete, false}, {notify_retract, true}, {purge_offline, false}, {persist_items, true}, {max_items, ?MAXITEMS}, {subscribe, true}, {access_model, presence}, {roster_groups_allowed, []}, {publish_model, publishers}, {notification_type, headline}, {max_payload_size, ?MAX_PAYLOAD_SIZE}, {send_last_published_item, never}, {deliver_notifications, true}, {presence_based_delivery, false}, {itemreply, none}]. features() -> [<<"create-nodes">>, <<"delete-nodes">>, <<"instant-nodes">>, <<"outcast-affiliation">>, <<"persistent-items">>, <<"publish">>, <<"retrieve-items">>]. create_node_permission(Host, ServerHost, Node, ParentNode, Owner, Access) -> node_hometree:create_node_permission(Host, ServerHost, Node, ParentNode, Owner, Access). create_node(Nidx, Owner) -> node_hometree:create_node(Nidx, Owner). delete_node(Nodes) -> node_hometree:delete_node(Nodes). subscribe_node(_Nidx, _Sender, _Subscriber, _AccessModel, _SendLast, _PresenceSubscription, _RosterGroup, _Options) -> {error, mod_pubsub:extended_error(xmpp:err_feature_not_implemented(), mod_pubsub:err_unsupported('subscribe'))}. unsubscribe_node(_Nidx, _Sender, _Subscriber, _SubId) -> {error, mod_pubsub:extended_error(xmpp:err_feature_not_implemented(), mod_pubsub:err_unsupported('subscribe'))}. publish_item(Nidx, Publisher, PublishModel, MaxItems, ItemId, Payload, PubOpts) -> case nodetree_tree:get_node(Nidx) of #pubsub_node{nodeid = {Host, Node}} -> lists:foreach(fun (SubNode) -> node_hometree:publish_item(SubNode#pubsub_node.id, Publisher, PublishModel, MaxItems, ItemId, Payload, PubOpts) end, nodetree_tree:get_subnodes(Host, Node, Publisher)), {result, {default, broadcast, []}}; Error -> Error end. remove_extra_items(_Nidx, _MaxItems, ItemIds) -> {result, {ItemIds, []}}. delete_item(_Nidx, _Publisher, _PublishModel, _ItemId) -> {error, mod_pubsub:extended_error(xmpp:err_feature_not_implemented(), mod_pubsub:err_unsupported('delete-items'))}. purge_node(_Nidx, _Owner) -> {error, mod_pubsub:extended_error(xmpp:err_feature_not_implemented(), mod_pubsub:err_unsupported('purge-nodes'))}. get_entity_affiliations(_Host, _Owner) -> {result, []}. get_node_affiliations(_Nidx) -> {result, []}. get_affiliation(_Nidx, _Owner) -> {result, none}. set_affiliation(Nidx, Owner, Affiliation) -> node_hometree:set_affiliation(Nidx, Owner, Affiliation). get_entity_subscriptions(_Host, _Owner) -> {result, []}. get_node_subscriptions(Nidx) -> node_hometree:get_node_subscriptions(Nidx). get_subscriptions(_Nidx, _Owner) -> {result, []}. set_subscriptions(Nidx, Owner, Subscription, SubId) -> node_hometree:set_subscriptions(Nidx, Owner, Subscription, SubId). get_pending_nodes(Host, Owner) -> node_hometree:get_pending_nodes(Host, Owner). get_states(Nidx) -> node_hometree:get_states(Nidx). get_state(Nidx, JID) -> node_hometree:get_state(Nidx, JID). set_state(State) -> node_hometree:set_state(State). get_items(Nidx, From, RSM) -> node_hometree:get_items(Nidx, From, RSM). get_items(Nidx, JID, AccessModel, PresenceSubscription, RosterGroup, SubId, RSM) -> node_hometree:get_items(Nidx, JID, AccessModel, PresenceSubscription, RosterGroup, SubId, RSM). get_last_items(Nidx, From, Count) -> node_hometree:get_last_items(Nidx, From, Count). get_item(Nidx, ItemId) -> node_hometree:get_item(Nidx, ItemId). get_item(Nidx, ItemId, JID, AccessModel, PresenceSubscription, RosterGroup, SubId) -> node_hometree:get_item(Nidx, ItemId, JID, AccessModel, PresenceSubscription, RosterGroup, SubId). set_item(Item) -> node_hometree:set_item(Item). get_item_name(Host, Node, Id) -> node_hometree:get_item_name(Host, Node, Id). node_to_path(Node) -> node_hometree:node_to_path(Node). path_to_node(Path) -> node_hometree:path_to_node(Path).