%%% ====================================================================
%%% ``The contents of this file are subject to the Erlang Public License,
%%% Version 1.1, (the "License"); you may not use this file except in
%%% compliance with the License. You should have received a copy of the
%%% Erlang Public License along with this software. If not, it can be
%%% retrieved via the world wide web at http://www.erlang.org/.
%%%
%%% Software distributed under the License is distributed on an "AS IS"
%%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
%%% the License for the specific language governing rights and limitations
%%% under the License.
%%%
%%% @author Brian Cully <bjc@kublai.com>
%%% @version {@vsn}, {@date} {@time}
%%% @end
%%% ====================================================================
-module(node_dag).
-author('bjc@kublai.com').
-include("pubsub.hrl").
-include("jlib.hrl").
-behaviour(gen_pubsub_node).
%% API definition
-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/6, 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/6, get_items/2, get_item/7,
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() ->
[{node_type, leaf} | node_hometree:options()].
features() ->
[<<"multi-collection">> | node_hometree:features()].
create_node_permission(_Host, _ServerHost, _Node,
_ParentNode, _Owner, _Access) ->
{result, true}.
create_node(NodeID, Owner) ->
node_hometree:create_node(NodeID, Owner).
delete_node(Removed) ->
node_hometree:delete_node(Removed).
subscribe_node(NodeID, Sender, Subscriber, AccessModel,
SendLast, PresenceSubscription, RosterGroup, Options) ->
node_hometree:subscribe_node(NodeID, Sender, Subscriber,
AccessModel, SendLast, PresenceSubscription,
RosterGroup, Options).
unsubscribe_node(NodeID, Sender, Subscriber, SubID) ->
node_hometree:unsubscribe_node(NodeID, Sender,
Subscriber, SubID).
publish_item(NodeID, Publisher, Model, MaxItems, ItemID,
Payload) ->
case nodetree_dag:get_node(NodeID) of
#pubsub_node{options = Options} ->
case find_opt(node_type, Options) of
collection ->
{error,
?ERR_EXTENDED((?ERR_NOT_ALLOWED), <<"publish">>)};
_ ->
node_hometree:publish_item(NodeID, Publisher, Model,
MaxItems, ItemID, Payload)
end;
Err -> Err
end.
find_opt(_, []) -> false;
find_opt(Option, [{Option, Value} | _]) -> Value;
find_opt(Option, [_ | T]) -> find_opt(Option, T).
remove_extra_items(NodeID, MaxItems, ItemIDs) ->
node_hometree:remove_extra_items(NodeID, MaxItems,
ItemIDs).
delete_item(NodeID, Publisher, PublishModel, ItemID) ->
node_hometree:delete_item(NodeID, Publisher,
PublishModel, ItemID).
purge_node(NodeID, Owner) ->
node_hometree:purge_node(NodeID, Owner).
get_entity_affiliations(Host, Owner) ->
node_hometree:get_entity_affiliations(Host, Owner).
get_node_affiliations(NodeID) ->
node_hometree:get_node_affiliations(NodeID).
get_affiliation(NodeID, Owner) ->
node_hometree:get_affiliation(NodeID, Owner).
set_affiliation(NodeID, Owner, Affiliation) ->
node_hometree:set_affiliation(NodeID, Owner,
Affiliation).
get_entity_subscriptions(Host, Owner) ->
node_hometree:get_entity_subscriptions(Host, Owner).
get_node_subscriptions(NodeID) ->
node_hometree:get_node_subscriptions(NodeID).
get_subscriptions(NodeID, Owner) ->
node_hometree:get_subscriptions(NodeID, Owner).
set_subscriptions(NodeID, Owner, Subscription, SubID) ->
node_hometree:set_subscriptions(NodeID, Owner,
Subscription, SubID).
get_pending_nodes(Host, Owner) ->
node_hometree:get_pending_nodes(Host, Owner).
get_states(NodeID) -> node_hometree:get_states(NodeID).
get_state(NodeID, JID) ->
node_hometree:get_state(NodeID, JID).
set_state(State) -> node_hometree:set_state(State).
get_items(NodeID, From) ->
node_hometree:get_items(NodeID, From).
get_items(NodeID, JID, AccessModel,
PresenceSubscription, RosterGroup, SubID) ->
node_hometree:get_items(NodeID, JID, AccessModel,
PresenceSubscription, RosterGroup, SubID).
get_item(NodeID, ItemID) ->
node_hometree:get_item(NodeID, ItemID).
get_item(NodeID, ItemID, JID, AccessModel,
PresenceSubscription, RosterGroup, SubID) ->
node_hometree:get_item(NodeID, 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).
