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Improve LTI role lookup performance #354

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Improve LTI role lookup performance #354

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10 changes: 8 additions & 2 deletions local/kaltura/locallib.php
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Original file line number Diff line number Diff line change
Expand Up @@ -338,7 +338,7 @@ function local_kaltura_strip_querystring($endpoint, $params) {
* @return string Returns HTML required to initiate an LTI launch.
*/
function local_kaltura_request_lti_launch($ltirequest, $withblocks = true, $editor = null) {
global $CFG, $USER;
global $CFG, $USER, $SESSION;

if(is_null($editor))
{
Expand Down Expand Up @@ -387,7 +387,13 @@ function local_kaltura_request_lti_launch($ltirequest, $withblocks = true, $edit
$requestparams['lis_outcome_service_url'] = $serviceurl->out(false);

// Add custom parameters
$requestparams['custom_publishdata'] = local_kaltura_get_kaf_publishing_data();
// Add json course data $SESSION for performance.
if (!empty($SESSION->local_kaltura_custom_publishdata)) {
$requestparams['custom_publishdata'] = $SESSION->local_kaltura_custom_publishdata;
} else {
$requestparams['custom_publishdata'] = local_kaltura_get_kaf_publishing_data();
$SESSION->local_kaltura_custom_publishdata = $requestparams['custom_publishdata'];
}
$requestparams['custom_publishdata_encoded'] = '1';
$requestparams['custom_moodle_plugin_version'] = local_kaltura_get_config()->version;

Expand Down