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Guard against pres_last=undefined in mod_offline

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This commit is contained in:
Paweł Chmielowski 2018-06-20 12:16:01 +02:00
parent f465742f2c
commit 274e9fe7b5
1 changed files with 2 additions and 2 deletions
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4
src/mod_offline.erl
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@ -482,8 +482,8 @@ c2s_self_presence({_Pres, #{resend_offline := false}} = Acc) ->
Acc;
c2s_self_presence({#presence{type = available} = NewPres, State} = Acc) ->
NewPrio = get_priority_from_presence(NewPres),
LastPrio = case maps:get(pres_last, State, error) of
error -> -1;
LastPrio = case maps:get(pres_last, State, undefined) of
undefined -> -1;
LastPres -> get_priority_from_presence(LastPres)
end,
if LastPrio < 0 andalso NewPrio >= 0 ->