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make get_items able to sort items in publish order (EJAB-824)

SVN Revision: 2105
This commit is contained in:
Christophe Romain 2009-05-26 22:50:11 +00:00
parent aa210166c4
commit 45a8a0fb53
2 changed files with 6 additions and 22 deletions

View File

@ -445,8 +445,6 @@ send_loop(State) ->
send_loop(State);
{presence, User, Server, Resources, JID} ->
%% get resources caps and check if processing is needed
%% get_caps may be blocked few seconds, get_caps as well
%% so we spawn the whole process not to block other queries
spawn(fun() ->
{HasCaps, ResourcesCaps} = lists:foldl(fun(Resource, {R, L}) ->
case mod_caps:get_caps({User, Server, Resource}) of
@ -1985,29 +1983,16 @@ get_items(Host, Node, From, SubId, SMaxItems, ItemIDs) ->
%% Number = last | integer()
%% @doc <p>Resend the items of a node to the user.</p>
%% @todo use cache-last-item feature
send_items(Host, Node, NodeId, Type, LJID, last) ->
send_items(Host, Node, NodeId, Type, LJID, 1);
send_items(Host, Node, NodeId, Type, {LU, LS, LR} = LJID, Number) ->
ToSend = case node_action(Host, Type, get_items, [NodeId, LJID]) of
{result, []} ->
[];
{result, Items} ->
case Number of
last ->
%%% [lists:last(Items)] does not work on clustered table
[First|Tail] = Items,
[lists:foldl(
fun(CurItem, LastItem) ->
{LTimeStamp, _} = LastItem#pubsub_item.creation,
{CTimeStamp, _} = CurItem#pubsub_item.creation,
if
CTimeStamp > LTimeStamp -> CurItem;
true -> LastItem
end
end, First, Tail)];
N when N > 0 ->
%%% This case is buggy on clustered table due to lack of order
lists:nthtail(length(Items)-N, Items);
_ ->
Items
N when N > 0 -> lists:sublist(Items, N);
_ -> Items
end;
_ ->
[]

View File

@ -699,9 +699,8 @@ del_state(NodeId, JID) ->
%% ```get_items(NodeId, From) ->
%% node_default:get_items(NodeId, From).'''</p>
get_items(NodeId, _From) ->
Items = mnesia:match_object(
#pubsub_item{itemid = {'_', NodeId}, _ = '_'}),
{result, Items}.
Items = mnesia:match_object(#pubsub_item{itemid = {'_', NodeId}, _ = '_'}),
{result, lists:reverse(lists:keysort(#pubsub_item.modification, Items))}.
get_items(NodeId, JID, AccessModel, PresenceSubscription, RosterGroup, _SubId) ->
GenKey = jlib:short_prepd_bare_jid(JID),
GenState = get_state(NodeId, GenKey),