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%%% ==================================================================== |
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%%% ``The contents of this file are subject to the Erlang Public License, |
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%%% Version 1.1, (the "License"); you may not use this file except in |
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%%% compliance with the License. You should have received a copy of the |
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%%% Erlang Public License along with this software. If not, it can be |
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%%% retrieved via the world wide web at http://www.erlang.org/. |
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%%% |
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%%% |
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%%% Software distributed under the License is distributed on an "AS IS" |
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%%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See |
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%%% the License for the specific language governing rights and limitations |
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%%% under the License. |
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%%% |
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%%% |
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%%% @author Brian Cully <bjc@kublai.com> |
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%%% @end |
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%%% ==================================================================== |
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-module(node_dag). |
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-behaviour(gen_pubsub_node). |
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-author('bjc@kublai.com'). |
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-include("pubsub.hrl"). |
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-include("jlib.hrl"). |
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-export([based_on/0, init/3, terminate/2, options/0, features/0, |
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create_node_permission/6, publish_item/9, node_to_path/1, |
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path_to_node/1]). |
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904 |
based_on() -> node_hometree. |
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init(Host, ServerHost, Opts) -> |
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node_flat:init(Host, ServerHost, Opts). |
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terminate(Host, ServerHost) -> |
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node_flat:terminate(Host, ServerHost). |
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options() -> |
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[{node_type, leaf} | node_hometree:options()]. |
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features() -> |
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[<<"multi-collection">> | node_hometree:features()]. |
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create_node_permission(_Host, _ServerHost, _Node, _ParentNode, _Owner, _Access) -> |
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{result, true}. |
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publish_item(ServerHost, Nidx, Publisher, Model, MaxItems, ItemId, ItemPublisher, Payload, |
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PublishOptions) -> |
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case nodetree_dag:get_node(Nidx) of |
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#pubsub_node{options = Options} -> |
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case find_opt(node_type, Options) of |
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collection -> |
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{error, |
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?ERR_EXTENDED((mongoose_xmpp_errors:not_allowed()), <<"publish">>)}; |
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_ -> |
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node_flat:publish_item(ServerHost, Nidx, Publisher, Model, MaxItems, |
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ItemId, ItemPublisher, Payload, PublishOptions) |
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end; |
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:-( |
Err -> Err |
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end. |
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:-( |
find_opt(_, []) -> false; |
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find_opt(Option, [{Option, Value} | _]) -> Value; |
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find_opt(Option, [_ | T]) -> find_opt(Option, T). |
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node_to_path(Node) -> |
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node_hometree:node_to_path(Node). |
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path_to_node(Path) -> |
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node_hometree:path_to_node(Path). |