/**
* Display an HTML5 video
*
* @return void
*/
public function videoTask()
{
//get the request vars
$parent = Request::getInt('id', 0);
$child = Request::getVar('resid', '');
if (!$parent || !$child) {
App::abort(404, Lang::txt('COM_RESOURCES_RESOURCE_NOT_FOUND'));
}
//load resource
$activechild = new Resource($this->database);
$activechild->load($child);
// check to see if we have a manifest
if (!$this->videoManifestExistsForResource($activechild)) {
$this->createVideoManifestForResource($activechild);
}
//get manifest
$manifest = $this->getVideoManifestForResource($activechild);
if (!file_exists(PATH_APP . $manifest)) {
App::abort(404, Lang::txt('COM_RESOURCES_RESOURCE_NOT_FOUND'));
}
$manifest = json_decode(file_get_contents(PATH_APP . $manifest));
//media tracking object
require_once dirname(dirname(__DIR__)) . DS . 'tables' . DS . 'mediatracking.php';
$mediaTracking = new MediaTracking($this->database);
//get tracking for this user for this resource
$tracking = $mediaTracking->getTrackingInformationForUserAndResource(User::get('id'), $activechild->id);
//check to see if we already have a time query param
$hasTime = Request::getVar('time', '') != '' ? true : false;
//do we want to redirect user with time added to url
if (is_object($tracking) && !$hasTime && $tracking->current_position > 0 && $tracking->current_position != $tracking->object_duration) {
$redirect = 'index.php?option=com_resources&task=video&id=' . $parent . '&resid=' . $child;
if (Request::getVar('tmpl', '') == 'component') {
$redirect .= '&tmpl=component';
}
//append current position to redirect
$redirect .= '&time=' . gmdate("H:i:s", $tracking->current_position);
//redirect
App::redirect(Route::url($redirect, false), '', '', false);
}
// Instantiate a new view
$this->view = new \Hubzero\Component\View(array('name' => 'view', 'layout' => 'video'));
$this->view->option = $this->_option;
$this->view->config = $this->config;
$this->view->database = $this->database;
$this->view->resource = $activechild;
$this->view->manifest = $manifest;
// Output HTML
foreach ($this->getErrors() as $error) {
$this->view->setError($error);
}
$this->view->display();
}
/**
* Track video viewing progress
*
* @return void
*/
public function trackingTask()
{
// Include need media tracking library
require_once PATH_CORE . DS . 'components' . DS . 'com_resources' . DS . 'tables' . DS . 'mediatracking.php';
require_once PATH_CORE . DS . 'components' . DS . 'com_resources' . DS . 'tables' . DS . 'mediatrackingdetailed.php';
// Instantiate objects
$database = \App::get('db');
$session = \App::get('session');
// Get request vars
$time = Request::getVar('time', 0);
$duration = Request::getVar('duration', 0);
$event = Request::getVar('event', 'update');
$resourceid = Request::getVar('resourceid', 0);
$detailedId = Request::getVar('detailedTrackingId', 0);
$ipAddress = $_SERVER['REMOTE_ADDR'];
// Check for asset id
if (!$resourceid) {
echo 'Unable to find resource identifier.';
return;
}
// Instantiate new media tracking object
$mediaTracking = new MediaTracking($database);
$mediaTrackingDetailed = new MediaTrackingDetailed($database);
// Load tracking information for user for this resource
$trackingInformation = $mediaTracking->getTrackingInformationForUserAndResource(User::get('id'), $resourceid, 'course');
$trackingInformationDetailed = $mediaTrackingDetailed->loadByDetailId($detailedId);
// Are we creating a new tracking record
if (!is_object($trackingInformation)) {
$trackingInformation = new stdClass();
$trackingInformation->user_id = User::get('id');
$trackingInformation->session_id = $session->getId();
$trackingInformation->ip_address = $ipAddress;
$trackingInformation->object_id = $resourceid;
$trackingInformation->object_type = 'course';
$trackingInformation->object_duration = $duration;
$trackingInformation->current_position = $time;
$trackingInformation->farthest_position = $time;
$trackingInformation->current_position_timestamp = Date::toSql();
$trackingInformation->farthest_position_timestamp = Date::toSql();
$trackingInformation->completed = 0;
$trackingInformation->total_views = 1;
$trackingInformation->total_viewing_time = 0;
} else {
// Get the amount of video watched from last tracking event
$time_viewed = (int) $time - (int) $trackingInformation->current_position;
// If we have a positive value and its less then our ten second threshold,
// add viewing time to total watched time
if ($time_viewed < 10 && $time_viewed > 0) {
$trackingInformation->total_viewing_time += $time_viewed;
}
// Set the new current position
$trackingInformation->current_position = $time;
$trackingInformation->current_position_timestamp = Date::toSql();
// Set the object duration
if ($duration > 0) {
$trackingInformation->object_duration = $duration;
}
// Check to see if we need to set a new farthest position
if ($trackingInformation->current_position > $trackingInformation->farthest_position) {
$trackingInformation->farthest_position = $time;
$trackingInformation->farthest_position_timestamp = Date::toSql();
}
// If event type is start, means we need to increment view count
if ($event == 'start' || $event == 'replay') {
$trackingInformation->total_views++;
}
// If event type is end, we need to increment completed count
if ($event == 'ended') {
$trackingInformation->completed++;
}
}
// Save detailed tracking info
if ($event == 'start' || !$trackingInformationDetailed) {
$trackingInformationDetailed = new stdClass();
$trackingInformationDetailed->user_id = User::get('id');
$trackingInformationDetailed->session_id = $session->getId();
$trackingInformationDetailed->ip_address = $ipAddress;
$trackingInformationDetailed->object_id = $resourceid;
$trackingInformationDetailed->object_type = 'course';
$trackingInformationDetailed->object_duration = $duration;
$trackingInformationDetailed->current_position = $time;
$trackingInformationDetailed->farthest_position = $time;
$trackingInformationDetailed->current_position_timestamp = Date::toSql();
$trackingInformationDetailed->farthest_position_timestamp = Date::toSql();
$trackingInformationDetailed->completed = 0;
} else {
// Set the new current position
$trackingInformationDetailed->current_position = $time;
$trackingInformationDetailed->current_position_timestamp = Date::toSql();
// Set the object duration
if ($duration > 0) {
$trackingInformationDetailed->object_duration = $duration;
}
// Check to see if we need to set a new farthest position
if (isset($trackingInformationDetailed->farthest_position) && $trackingInformationDetailed->current_position > $trackingInformationDetailed->farthest_position) {
$trackingInformationDetailed->farthest_position = $time;
$trackingInformationDetailed->farthest_position_timestamp = Date::toSql();
}
// If event type is end, we need to increment completed count
if ($event == 'ended') {
$trackingInformationDetailed->completed++;
}
}
// Save detailed
$mediaTrackingDetailed->save($trackingInformationDetailed);
// Save tracking information
if ($mediaTracking->save($trackingInformation)) {
if (!isset($trackingInformation->id)) {
$trackingInformation->id = $mediaTracking->id;
}
$trackingInformation->detailedId = $mediaTrackingDetailed->id;
echo json_encode($trackingInformation);
}
}
/**
* Display an HTML5 video
*
* @return void
*/
public function videoTask()
{
//get the request vars
$parent = Request::getInt('id', 0);
$child = Request::getVar('resid', '');
if (!$parent || !$child) {
App::abort(404, Lang::txt('COM_RESOURCES_RESOURCE_NOT_FOUND'));
}
// Load the resource
include_once dirname(dirname(__DIR__)) . DS . 'models' . DS . 'resource.php';
$this->model = Models\Resource::getInstance($parent);
// Make sure we got a result from the database
if (!$this->model->exists() || $this->model->deleted()) {
App::abort(404, Lang::txt('COM_RESOURCES_RESOURCE_NOT_FOUND'));
}
// Make sure the resource is published and standalone
if (!$this->model->resource->standalone) {
App::abort(403, Lang::txt('COM_RESOURCES_ALERTNOTAUTH'));
}
// Is the visitor authorized to view this resource?
if (User::isGuest() && ($this->model->resource->access == 1 || $this->model->resource->access == 4)) {
$return = base64_encode(Request::getVar('REQUEST_URI', Route::url('index.php?option=' . $this->_option . ($this->model->resource->alias ? '&alias=' . $this->model->resource->alias : '&id=' . $this->model->resource->id), false, true), 'server'));
App::redirect(Route::url('index.php?option=com_users&view=login&return=' . $return, false), Lang::txt('COM_RESOURCES_ALERTLOGIN_REQUIRED'), 'warning');
}
if ($this->model->resource->group_owner && !$this->model->access('view-all')) {
App::abort(403, Lang::txt('COM_RESOURCES_ALERTNOTAUTH_GROUP', $this->model->resource->group_owner, Route::url('index.php?option=com_groups&cn=' . $this->model->resource->group_owner)));
}
if (!$this->model->access('view')) {
App::abort(403, Lang::txt('COM_RESOURCES_ALERTNOTAUTH'));
}
//load resource
$activechild = new Resource($this->database);
$activechild->load($child);
// check to see if we have a manifest
if (!$this->videoManifestExistsForResource($activechild)) {
$this->createVideoManifestForResource($activechild);
}
//get manifest
$manifest = $this->getVideoManifestForResource($activechild);
if (!file_exists(PATH_APP . $manifest)) {
App::abort(404, Lang::txt('COM_RESOURCES_RESOURCE_NOT_FOUND'));
}
$manifest = json_decode(file_get_contents(PATH_APP . $manifest));
//media tracking object
require_once dirname(dirname(__DIR__)) . DS . 'tables' . DS . 'mediatracking.php';
$mediaTracking = new MediaTracking($this->database);
//get tracking for this user for this resource
$tracking = $mediaTracking->getTrackingInformationForUserAndResource(User::get('id'), $activechild->id);
//check to see if we already have a time query param
$hasTime = Request::getVar('time', '') != '' ? true : false;
//do we want to redirect user with time added to url
if (is_object($tracking) && !$hasTime && $tracking->current_position > 0 && $tracking->current_position != $tracking->object_duration) {
$redirect = 'index.php?option=com_resources&task=video&id=' . $parent . '&resid=' . $child;
if (Request::getVar('tmpl', '') == 'component') {
$redirect .= '&tmpl=component';
}
//append current position to redirect
$redirect .= '&time=' . gmdate("H:i:s", $tracking->current_position);
//redirect
App::redirect(Route::url($redirect, false), '', '', false);
}
// Instantiate a new view
$this->view = new \Hubzero\Component\View(array('name' => 'view', 'layout' => 'video'));
$this->view->option = $this->_option;
$this->view->config = $this->config;
$this->view->database = $this->database;
$this->view->resource = $activechild;
$this->view->manifest = $manifest;
// Output HTML
foreach ($this->getErrors() as $error) {
$this->view->setError($error);
}
$this->view->display();
}
