_type = 'pubsub_create', node = self.node, configure = configure }

}, options))

end

function PubSubNode:delete (options)

options = options or {}

local redirect

if options['redirect'] then

redirect = {uri = options['redirect']}

end

return self.client:query_pubsub(merge_tables({ type = 'set', to = self.jid, query = {

_type = 'pubsub_owner_delete', node = self.node, redirect = redirect

}}, options))

end

function PubSubNode:set_configuration(options)

options = options or {}

local configuration = pubsub_node_configuration_to_form(options['configuration'])

return self.client:query_pubsub(merge_tables(

{ type = 'set', to = self.jid, query = {

_type = 'pubsub_owner_configure', node = self.node, data = configuration }

}, options))

end

function PubSubNode:set_owner_affiliations(...)

local options = parse_options({}, ...)

return self.client:query_pubsub(merge_tables({

type = 'set', to = self.jid, query = merge_tables({

_type = 'pubsub_owner_affiliations', node = self.node,

}, options.affiliations)}, options))

end

function PubSubNode:subscribe(...)

local options = parse_options({}, ...)

local jid = options.jid or sluift.jid.to_bare(self.client:jid())

return self.client:query_pubsub(merge_tables(

{ type = 'set', to = self.jid, query = {

_type = 'pubsub_subscribe', node = self.node, jid = jid }

}, options))

end

function PubSubNode:unsubscribe(options)

options = options or {}

return self.client:query_pubsub(merge_tables(

{ type = 'set', to = self.jid, query = {

_type = 'pubsub_unsubscribe', node = self.node, jid = options['jid'],

subscription_id = 'subscription_id'}

}, options))

end

function PubSubNode:get_subscription_options (options)

return self.client:query_pubsub(merge_tables(

{ type = 'get', to = self.jid, query = {

_type = 'pubsub_options', node = self.node, jid = options['jid'] }

}, options))

end

function PubSubNode:publish(...)

local options = parse_options({}, ...)

local items = options.items or {}

if options.item then

if type(options.item) == 'string' or options.item._type then

items = {{id = options.id, data = { options.item } }}

options.id = nil

else

items = { options.item }

end

options.item = nil

end