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Use Moodle Cache API for Slides #89

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Use Moodle Cache API for Slides #89

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13 changes: 5 additions & 8 deletions classes/output/core_renderer.php
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Original file line number Diff line number Diff line change
Expand Up @@ -1144,16 +1144,16 @@ public function matomo_insert_html() {
* @return string
*/
public function slideshow() {
global $CFG, $USER;
global $CFG;

$output = '';

if (file_exists($CFG->dirroot . '/local/marketing/locallib.php')) {
$cache = \cache::make('theme_wwu2019', 'slides');
$slides = $cache->get('slides');
// Retrieve slides if none are cached.
// Also, force re-cache if user has changed ID recently (i.e., a login has occurred).
if (!isset($_SESSION["theme_wwu2019_slides"]) || !is_array($_SESSION["theme_wwu2019_slides"]) ||
$_SESSION["theme_wwu2019_slides_cachedfor"] !== $USER->id || empty($_SESSION["theme_wwu2019_slides"])
) {
if ($slides === false) {
require_once($CFG->dirroot . '/local/marketing/locallib.php');
$allslides = \local_marketing\slide_manager::get_slides_for();
$slides = array();
Expand Down Expand Up @@ -1185,10 +1185,7 @@ public function slideshow() {
$slides[0]->active = true;
}

$_SESSION["theme_wwu2019_slides"] = $slides;
$_SESSION["theme_wwu2019_slides_cachedfor"] = $USER->id;
} else {
$slides = $_SESSION["theme_wwu2019_slides"];
$cache->set('slides', $slides);
}

if ($slides) {
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4 changes: 4 additions & 0 deletions db/caches.php
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Expand Up @@ -34,5 +34,9 @@
'staticacceleration' => true,
'staticaccelerationsize' => 1
),
'slides' => array(
'mode' => cache_store::MODE_SESSION,
'simplekeys' => true
),

);
2 changes: 1 addition & 1 deletion version.php
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Original file line number Diff line number Diff line change
Expand Up @@ -27,7 +27,7 @@
defined('MOODLE_INTERNAL') || die();

// This is the version of the plugin.
$plugin->version = 2020031600;
$plugin->version = 2021082000;

// This is the version of Moodle this plugin requires.
$plugin->requires = 2019111800.03;
Expand Down