/**
* Controller that is called when a user plays a video on the LVS. Note that we mostly
* care about the non-premium video that could be swapped rather than the premium video that
* was played. This is because all the metadata is stored against the non-premium video.
*
* @requestParam string videoTitle The title of the non-premium video that could be swapped
* @requestParam string premiumTitle The title of the video that was played
* @return bool Whether the controller was successful or not
*/
public function playVideo()
{
// Get the non-premium title
$videoTitle = $this->getVal('videoTitle');
if (empty($videoTitle)) {
return false;
}
// validate action
$response = $this->sendRequest('LicensedVideoSwapSpecial', 'validateAction', array('videoTitle' => $videoTitle));
$msg = $response->getVal('msg', '');
if (!empty($msg)) {
$this->html = '';
$this->result = 'error';
$this->msg = $msg;
}
// Get the list of videos already played
/** @var User $user */
$user = $this->getUser();
$visitedList = $user->getGlobalAttribute(LicensedVideoSwapHelper::USER_VISITED_LIST);
if ($visitedList) {
$visitedList = unserialize($visitedList);
} else {
$visitedList = [];
}
// Update the list of played videos
$visitedList[$videoTitle] = 1;
$visitedTitles = array_keys($visitedList);
// Remove any videos that don't exist for swapping anymore
$helper = new LicensedVideoSwapHelper();
$intersection = $helper->intersectUnswappedVideo($visitedTitles);
// Go through each title in this user's list of played videos. We're looking for the
// video titles that don't appear in the intersection. These titles no longer
// need to be saved in this user property.
foreach ($visitedTitles as $title) {
// If this title doesn't appear in the intersection, remove it from the list
if (!isset($intersection[$title])) {
unset($visitedList[$title]);
}
}
// set last visit date
$user->setGlobalAttribute(LicensedVideoSwapHelper::USER_VISITED_LIST, serialize($visitedList));
$user->saveSettings();
return true;
}