egroupware_official/home/inc/class.home_tutorial_ui.inc.php

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<?php
/**
* EGroupware - Tutorial
*
* @link http://www.egroupware.org
* @package home
* @author Hadi Nategh [hn@stylite.de]
* @copyright (c) 2015 by Stylite AG <info-AT-stylite.de>
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @version $Id:$
*/
class home_tutorial_ui {
/**
* Methods callable via menuaction
*
* @var array
*/
public $public_functions = array(
'popup' => true
);
/**
* Popup window to display youtube video
* @param type $content
*/
function popup ($content=null)
{
//Allow youtube frame to pass the CSP check
egw_framework::csp_frame_src_attrs(array('www.youtube.com'));
$tmpl = new etemplate_new('home.tutorial');
if (!is_array($content))
{
// Get tutorial object id
$tuid_indx = explode('-',$_GET['tuid']);
$appName = $tuid_indx[0];
$lang = $tuid_indx[1];
$id = $tuid_indx[2];
}
else // set the first video of selected app
{
$appName = $content['list']['apps'];
$lang = $GLOBALS['egw_info']['user']['preferences']['common']['lang'];
$id ="0";
}
// read tutorials json file to fetch data
$tutorials = json_decode(self::getJsonData(), true);
$apps = array('introduction' => lang('Introduction'));
foreach ($tutorials as $app => $val)
{
// show only apps user has access to them
if (in_array($app, array_keys($GLOBALS['egw_info']['user']['apps']))) $apps [$app] = $app;
}
$sel_options = array(
'apps' => $apps,
);
// Check if the user has right to see the app's tutorial
if (in_array($appName, array_keys($GLOBALS['egw_info']['user']['apps'])) || $appName === "introduction")
{
// fallback to english video
$tutorial = $tutorials[$appName][$lang][$id]? $tutorials[$appName][$lang][$id]:
$tutorials[$appName]['en'][$id];
$list = array(
'apps' => $appName,
'0' => ''
);
foreach ($tutorials[$appName][$lang] as $v)
{
$v ['onclick'] = 'app.home.tutorial_videoOnClick("'.$v['src'].'")';
array_push($list, $v);
}
$content = array (
'src' => $tutorial['src'],
'title' => $tutorial['title'],
'desc' => $tutorial['desc'],
'list' => $list
);
}
else
{
$content = array();
egw_framework::message(lang('You do not have permission to see this tutorial!'));
}
$tmpl->exec('home.home_tutorial_ui.popup', $content,$sel_options,array(),array(),array(),2);
}
/**
* Ajax function to get videos links as json
*/
function ajax_data()
{
$response = egw_json_response::get();
$response->data(json_decode(self::getJsonData()));
}
/**
* Function to fetch data from tutorials.json file
* @return string returns json string
*
* @TODO: implement tree level caching
*/
static function getJsonData()
{
if (!($json = egw_cache::getCache(egw_cache::TREE, 'home', 'egw_tutorial_json')))
{
$json = file_get_contents('http://www.egroupware.de/videos/tutorials.json');
// Fallback tutorials.json
if (!$json) $json = file_get_contents('home/setup/tutorials.json');
// Cache the json object for two hours
egw_cache::setCache(egw_cache::TREE, 'home', 'egw_tutorial_json', $json, 720);
}
return $json;
}
}