737 lines
26 KiB
PHP
737 lines
26 KiB
PHP
<?php
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/**
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* Questlab
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*
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* @author Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
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* @copyright 2014 – 2016 Heinrich-Heine-Universität Düsseldorf
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* @license http://www.gnu.org/licenses/gpl.html
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* @link https://github.com/coderkun/questlab
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*/
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namespace hhu\z\controllers;
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/**
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* Controller of the MediaAgent to process and show Media.
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*
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* @author Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
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*/
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class MediaController extends \hhu\z\controllers\SeminaryController
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{
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/**
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* User permissions
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*
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* @var array
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*/
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public $permissions = array(
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'index' => array('admin', 'moderator', 'user', 'guest'),
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'seminarymoodpic' => array('admin', 'moderator', 'user'),
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'seminarymap' => array('admin', 'moderator', 'user'),
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'seminary' => array('admin', 'moderator', 'user'),
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'avatar' => array('admin', 'moderator', 'user'),
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'achievement' => array('admin', 'moderator', 'user'),
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'charactergroup' => array('admin', 'moderator', 'user'),
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'charactergroupsquest' => array('admin', 'moderator', 'user'),
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'charactergroupsqueststation' => array('admin', 'moderator', 'user'),
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'charactergroupsachievements' => array('admin', 'moderator', 'user')
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);
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/**
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* User seminary permissions
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*
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* @var array
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*/
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public $seminaryPermissions = array(
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'seminary' => array('admin', 'moderator', 'user', 'guest'),
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'achievement' => array('admin', 'moderator', 'user', 'guest'),
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'charactergroup' => array('admin', 'moderator', 'user', 'guest'),
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'charactergroupsquest' => array('admin', 'moderator', 'user', 'guest'),
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'charactergroupsqueststation' => array('admin', 'moderator', 'user', 'guest'),
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'charactergroupsachievements' => array('admin', 'moderator', 'user', 'guest')
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);
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/**
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* Required models
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*
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* @var array
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*/
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public $models = array('seminaries', 'achievements', 'media', 'avatars', 'charactergroups', 'charactergroupsquests', 'charactergroupsqueststations', 'charactergroupsachievements', 'map');
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/**
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* Prefilter.
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*
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* @param \nre\core\Request $request Current request
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* @param \nre\core\Response $response Current response
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*/
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public function preFilter(\nre\core\Request $request, \nre\core\Response $response)
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{
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parent::preFilter($request, $response);
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// Set headers for caching control
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$response->addHeader("Pragma: public");
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$response->addHeader("Cache-control: must-revalidate");
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$response->addHeader("Date: ".gmdate(\DateTime::RFC822));
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}
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/**
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* Action: index
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*
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* Display a medium.
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*
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* @param string $mediaUrl URL-name of the medium
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* @param string $action Action for processing the media
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*/
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public function index($mediaUrl, $action=null)
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{
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// Check action
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if(!is_null($action) && !array_key_exists($action, \nre\configs\AppConfig::$media)) {
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throw new \nre\exceptions\ParamsNotValidException($action);
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}
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// Get Media
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$media = $this->Media->getMediaByUrl($mediaUrl);
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// Get file
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$file = $this->getMediaFile(
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$media,
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(!is_null($action)) ? \nre\configs\AppConfig::$media[$action] : false
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);
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if(is_null($media)) {
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return;
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}
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// Pass data to view
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$this->set('media', $media);
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$this->set('file', $file);
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}
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/**
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* Action: seminarymoodpic
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*
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* Display the moodpic for a category of a Seminary.
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*
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* @throws \nre\exceptions\IdNotFoundException
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* @param string $seminaryUrl URL-title of the Seminary
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* @param string $category Category to show moodpic of
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* @param string $action Action for processing the media
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*/
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public function seminarymoodpic($seminaryUrl, $category=null, $action=null)
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{
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// Check action
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if(!is_null($action) && !array_key_exists($action, \nre\configs\AppConfig::$media)) {
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throw new \nre\exceptions\ParamsNotValidException($action);
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}
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// Get Seminary
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$seminary = $this->Seminaries->getSeminaryByUrl($seminaryUrl);
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// Set index
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switch($category)
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{
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case null:
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$index = 'seminarymedia_id';
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break;
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case 'charactergroups':
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$index = 'charactergroups_seminarymedia_id';
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break;
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case 'achievements':
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$index = 'achievements_seminarymedia_id';
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break;
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case 'library':
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$index = 'library_seminarymedia_id';
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break;
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case 'map':
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$index = 'map_seminarymedia_id';
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break;
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}
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// Get media
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$media = $this->Media->getSeminaryMediaById($seminary[$index]);
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// Get file
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$file = $this->getMediaFile(
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$media,
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(!is_null($action)) ? \nre\configs\AppConfig::$media[$action] : false
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);
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if(is_null($file)) {
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return;
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}
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// Pass data to view
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$this->set('media', $media);
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$this->set('file', $file);
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}
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/**
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* Action: seminarymap
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*
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* Display the map of a Seminary.
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*
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* @throws \nre\exceptions\IdNotFoundException
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* @param string $seminaryUrl URL-title of the Seminary
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*/
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public function seminarymap($seminaryUrl)
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{
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// Get Seminary
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$seminary = $this->Seminaries->getSeminaryByUrl($seminaryUrl);
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// Get map
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$map = $this->Map->getMapOfSeminary($seminary['id']);
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if(is_null($map)) {
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throw new \nre\exceptions\IdNotFoundException($seminaryUrl);
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}
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// Get media
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$media = $this->Media->getSeminaryMediaById($map['seminarymedia_id']);
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// Get file
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$file = $this->getMediaFile($media);
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if(is_null($file)) {
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return;
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}
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// Pass data to view
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$this->set('media', $media);
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$this->set('file', $file);
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}
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/**
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* Action: seminary.
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*
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* Display a Seminary medium.
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*
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* @throws \nre\exceptions\IdNotFoundException
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* @param string $seminaryUrl URL-title of the Seminary
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* @param string $mediaUrl URL-name of the medium
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* @param string $action Action for processing the media
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*/
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public function seminary($seminaryUrl, $mediaUrl, $action=null)
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{
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// Check action
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if(!is_null($action) && !array_key_exists($action, \nre\configs\AppConfig::$media)) {
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throw new \nre\exceptions\ParamsNotValidException($action);
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}
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// Get Seminary
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$seminary = $this->Seminaries->getSeminaryByUrl($seminaryUrl);
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// Get Media
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$media = $this->Media->getSeminaryMediaByUrl($seminary['id'], $mediaUrl);
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// Get file
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$file = $this->getMediaFile(
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$media,
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(!is_null($action)) ? \nre\configs\AppConfig::$media[$action] : false
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);
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if(is_null($file)) {
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return;
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}
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// Pass data to view
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$this->set('media', $media);
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$this->set('file', $file);
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}
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/**
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* Action: avatar.
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*
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* Display an Avatar as full size or portrait.
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*
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* @throws \nre\exceptions\ParamsNotValidException
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* @throws \nre\exceptions\IdNotFoundException
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* @param string $seminaryUrl URL-title of the Seminary
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* @param string $charactertypeUrl URL-title of Character type
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* @param int $xplevel XP-level
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* @param string $action Size to show (avatar or portrait)
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*/
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public function avatar($seminaryUrl, $charactertypeUrl, $xplevel, $action='avatar')
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{
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// Get Seminary
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$seminary = $this->Seminaries->getSeminaryByUrl($seminaryUrl);
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// Get Avatar
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$avatar = $this->Avatars->getAvatarByTypeAndLevel($seminary['id'], $charactertypeUrl, $xplevel);
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// Get media
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switch($action)
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{
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case null:
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case 'avatar':
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$media = $this->Media->getSeminaryMediaById($avatar['avatarpicture_id']);
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$file = $this->getMediaFile(
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$media,
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\nre\configs\AppConfig::$media['avatar']
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);
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break;
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case 'portrait':
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$media = $this->Media->getSeminaryMediaById($avatar['small_avatarpicture_id']);
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$file = $this->getMediaFile($media);
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break;
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default:
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throw new \nre\exceptions\ParamsNotValidException($action);
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break;
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}
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// Get file
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if(is_null($file)) {
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return;
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}
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// Pass data to view
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$this->set('media', $media);
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$this->set('file', $file);
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}
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/**
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* Action: achievement
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*
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* Display the achievement of a Seminary.
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*
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* @throws \nre\exceptions\IdNotFoundException
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* @param string $seminaryUrl URL-title of the Seminary
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* @param string $achievementUrl URL-title of the Achievement
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* @param string $locked Whether to display the locked version or not
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*/
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public function achievement($seminaryUrl, $achievementUrl, $locked=null)
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{
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// Get Seminary
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$seminary = $this->Seminaries->getSeminaryByUrl($seminaryUrl);
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// Get Character
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$character = SeminaryController::$character;
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// Get Achievement
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$achievement = $this->Achievements->getAchievementByUrl($seminary['id'], $achievementUrl);
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// Get media
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switch($locked)
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{
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case null:
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if(count(array_intersect(array('admin', 'moderator'), \hhu\z\controllers\SeminaryController::$character['characterroles'])) == 0) {
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if(is_null($character) || !$this->Achievements->hasCharacterAchievedAchievement($achievement['id'], $character['id'])) {
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throw new \nre\exceptions\AccessDeniedException();
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}
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}
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$index = 'achieved_achievementsmedia_id';
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break;
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case 'locked':
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$index = 'unachieved_achievementsmedia_id';
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break;
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default:
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throw new \nre\exceptions\ParamsNotValidException($locked);
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break;
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}
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if(is_null($achievement[$index])) {
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throw new \nre\exceptions\IdNotFoundException($achievementUrl);
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}
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$media = $this->Media->getSeminaryMediaById($achievement[$index]);
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// Get file
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$file = $this->getMediaFile($media);
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if(is_null($file)) {
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return;
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}
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// Pass data to view
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$this->set('media', $media);
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$this->set('file', $file);
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}
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/**
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* Action: charactergroup
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*
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* Display the icon for a Character group of a Seminary.
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*
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* @throws \nre\exceptions\IdNotFoundException
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* @param string $seminaryUrl URL-Title of a Seminary
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* @param string $groupsgroupUrl URL-Title of a Character groups-group
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* @param string $groupUrl URL-Title of a Character group
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*/
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public function charactergroup($seminaryUrl, $groupsgroupUrl, $groupUrl)
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{
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// Get seminary
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$seminary = $this->Seminaries->getSeminaryByUrl($seminaryUrl);
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// Get Character groups-group
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$groupsgroup = $this->Charactergroups->getGroupsgroupByUrl($seminary['id'], $groupsgroupUrl);
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// Get Character group
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$group = $this->Charactergroups->getGroupByUrl($groupsgroup['id'], $groupUrl);
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// Check media
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if(is_null($group['charactergroupsmedia_id'])) {
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$this->redirect($this->linker->link(array('grafics','charactergroup.jpg')));
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}
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// Get media
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$media = $this->Media->getSeminaryMediaById($group['charactergroupsmedia_id']);
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// Get file
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$file = $this->getMediaFile(
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$media,
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\nre\configs\AppConfig::$media['charactergroup']
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);
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if(is_null($file)) {
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return;
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}
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// Pass data to view
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$this->set('media', $media);
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$this->set('file', $file);
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}
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/**
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* Action: charactergroupsquest
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*
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* Display the icon for a Character groups Quest of a Seminary.
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*
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* @throws \nre\exceptions\IdNotFoundException
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* @param string $seminaryUrl URL-Title of a Seminary
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* @param string $groupsgroupUrl URL-Title of a Character groups-group
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* @param string $questUrl URL-Title of a Character groups Quest
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*/
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public function charactergroupsquest($seminaryUrl, $groupsgroupUrl, $questUrl)
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{
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// Get seminary
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$seminary = $this->Seminaries->getSeminaryByUrl($seminaryUrl);
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// Get Character groups-group
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$groupsgroup = $this->Charactergroups->getGroupsgroupByUrl($seminary['id'], $groupsgroupUrl);
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// Get Character groups Quests
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$quest = $this->Charactergroupsquests->getQuestByUrl($groupsgroup['id'], $questUrl);
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// Check media
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if(is_null($quest['questsmedia_id'])) {
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$this->redirect($this->linker->link(array('grafics','charactergroup.jpg')));
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}
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// Get media
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$media = $this->Media->getSeminaryMediaById($quest['questsmedia_id']);
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// Get file
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$file = $this->getMediaFile(
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$media,
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\nre\configs\AppConfig::$media['charactergroupsquest']
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);
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if(is_null($file)) {
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return;
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}
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// Pass data to view
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$this->set('media', $media);
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$this->set('file', $file);
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}
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/**
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* Action: charactergroupsqueststation
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*
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* Display the icon for a Character groups Quest Station.
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*
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* @throws \nre\exceptions\IdNotFoundException
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* @param string $seminaryUrl URL-Title of a Seminary
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* @param string $groupsgroupUrl URL-Title of a Character groups-group
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* @param string $questUrl URL-Title of a Character groups Quest
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* @param string $stationUrl URL-title of Station
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*/
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public function charactergroupsqueststation($seminaryUrl, $groupsgroupUrl, $questUrl, $stationUrl)
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{
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// Get seminary
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$seminary = $this->Seminaries->getSeminaryByUrl($seminaryUrl);
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// Get Character groups-group
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$groupsgroup = $this->Charactergroups->getGroupsgroupByUrl($seminary['id'], $groupsgroupUrl);
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// Get Character groups Quests
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$quest = $this->Charactergroupsquests->getQuestByUrl($groupsgroup['id'], $questUrl);
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// Get Station
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$station = $this->Charactergroupsqueststations->getStationByUrl($quest['id'], $stationUrl);
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// Get Character group(s)
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$stationgroups = null;
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$stationgroup = null;
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if(count(array_intersect(array('admin', 'moderator'), \hhu\z\controllers\SeminaryController::$character['characterroles'])) > 0) {
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$stationgroups = $this->Charactergroups->getGroupsForGroupsgroup($groupsgroup['id']);
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}
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else
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{
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$character = $this->Characters->getCharacterForUserAndSeminary($this->Auth->getUserId(), $seminary['id']);
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$stationgroups = $this->Charactergroups->getGroupsForCharacter($character['id']);
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if(!empty($stationgroups)) {
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$stationgroup = $stationgroups[0];
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}
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}
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// Select group by parameter
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$selectedStationGroupId = $this->request->getGetParam('stationgroup');
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if(!is_null($selectedStationGroupId))
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{
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$selectedStationGroupId = intval($selectedStationGroupId);
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foreach($stationgroups as &$group) {
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if($group['id'] == $selectedStationGroupId) {
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$stationgroup = $group;
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break;
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}
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}
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}
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// Status
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$solved = (count(array_intersect(array('admin', 'moderator'), \hhu\z\controllers\SeminaryController::$character['characterroles'])) > 0);
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if(!is_null($stationgroup)) {
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$solved = $this->Charactergroupsqueststations->hasCharactergroupSolvedStation(
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$station['id'],
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$stationgroup['id']
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);
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}
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// Get media
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$media = $this->Media->getSeminaryMediaById($station['stationpicture_id']);
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// Get file
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$file = $this->getMediaFile(
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$media,
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\nre\configs\AppConfig::$media['charactergroupsqueststation'],
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!$solved
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);
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if(is_null($file)) {
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return;
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}
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// Pass data to view
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$this->set('media', $media);
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$this->set('file', $file);
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}
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/**
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* Action: charactergroupsachievement
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*
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* Display the achievement of a Character groups-group.
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*
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* @throws \nre\exceptions\IdNotFoundException
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* @param string $seminaryUrl URL-title of Seminary
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* @param string $groupsgroupUrl URL-title of Character groups-group
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* @param string $achievementUrl URL-title of the Achievement
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* @param string $locked Whether to show the locked version or not
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*/
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public function charactergroupsachievement($seminaryUrl, $groupsgroupUrl, $achievementUrl, $locked=null)
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{
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// Get Seminary
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$seminary = $this->Seminaries->getSeminaryByUrl($seminaryUrl);
|
||
|
||
// Get Character groups-group
|
||
$groupsgroup = $this->Charactergroups->getGroupsgroupByUrl($seminary['id'], $groupsgroupUrl);
|
||
|
||
// Get Character
|
||
//$character = SeminaryController::$character;
|
||
|
||
// Get Achievement
|
||
$achievement = $this->Charactergroupsachievements->getAchievementByUrl($groupsgroup['id'], $achievementUrl);
|
||
|
||
// Get media
|
||
$media = $this->Media->getSeminaryMediaById($achievement['achievementsmedia_id']);
|
||
|
||
// Get file
|
||
$file = $this->getMediaFile(
|
||
$media,
|
||
false,
|
||
!is_null($locked)
|
||
);
|
||
if(is_null($file)) {
|
||
return;
|
||
}
|
||
|
||
|
||
// Pass data to view
|
||
$this->set('media', $media);
|
||
$this->set('file', $file);
|
||
}
|
||
|
||
|
||
|
||
|
||
/**
|
||
* Determine file information and set the HTTP-header for
|
||
* caching accordingly.
|
||
*
|
||
* @param string $fileName Filename
|
||
* @return boolean HTTP-status 304 was set (in cache)
|
||
*/
|
||
private function setCacheHeaders($fileName)
|
||
{
|
||
// Determine last change of file
|
||
$fileLastModified = gmdate('r', filemtime($fileName));
|
||
|
||
// Generate E-Tag
|
||
$fileEtag = hash('sha256', $fileLastModified.$fileName);
|
||
|
||
|
||
// Set header
|
||
$this->response->addHeader("Last-Modified: ".$fileLastModified);
|
||
$this->response->addHeader("Etag: ".$fileEtag);
|
||
// HTTP-status
|
||
$headerModifiedSince = $this->request->getServerParam('HTTP_IF_MODIFIED_SINCE');
|
||
$headerNoneMatch = $this->request->getServerParam('HTTP_IF_NONE_MATCH');
|
||
if(
|
||
!is_null($headerModifiedSince) && strtotime($fileLastModified) <= strtotime($headerModifiedSince) &&
|
||
!is_null($headerNoneMatch) && $headerNoneMatch == $fileEtag
|
||
) {
|
||
$this->response->setExit(true);
|
||
$this->response->addHeader(\nre\core\WebUtils::getHttpHeader(304));
|
||
|
||
return true;
|
||
}
|
||
|
||
|
||
return false;
|
||
}
|
||
|
||
|
||
/**
|
||
* Determine the file for a medium and process it if necessary.
|
||
*
|
||
* @throws \nre\exceptions\IdNotFoundException
|
||
* @throws \nre\exceptions\ParamsNotValidException
|
||
* @param array $media Medium to get file for
|
||
* @param mixed $resize Size to resize image to
|
||
* @param boolean $grayscale Whether to grayscale image or not
|
||
* @return object File for the medium (or null if medium is cached)
|
||
*/
|
||
private function getMediaFile($media, $resize=false, $grayscale=false)
|
||
{
|
||
// Get format
|
||
$format = explode('/', $media['mimetype']);
|
||
$format = $format[1];
|
||
|
||
// Set content-type
|
||
$this->response->addHeader("Content-type: ".$media['mimetype']."");
|
||
|
||
// Set filename
|
||
$media['filename'] = ROOT.DS.\nre\configs\AppConfig::$dirs['seminarymedia'].DS.$media['id'];
|
||
if(!file_exists($media['filename'])) {
|
||
throw new \nre\exceptions\IdNotFoundException($media['id'].': '.$media['url']);
|
||
}
|
||
|
||
// Cache
|
||
if($this->setCacheHeaders($media['filename'])) {
|
||
return null;
|
||
}
|
||
|
||
// Determine processing
|
||
$resize = (is_array($resize)) ? $resize : false;
|
||
$grayscale = ($grayscale === true);
|
||
|
||
// Load image without processing
|
||
if((!$grayscale && $resize === false) || !in_array(strtoupper($format), self::getImageTypes()))
|
||
{
|
||
// Do not process the file
|
||
return file_get_contents($media['filename']);
|
||
}
|
||
|
||
// Read image from cache
|
||
$tempFileName = ROOT.DS.\nre\configs\AppConfig::$dirs['temporary'].DS.'media-'.basename($media['filename']).'-'.$resize['width'].'x'.$resize['height'].'-'.(int) $grayscale;
|
||
if(file_exists($tempFileName))
|
||
{
|
||
// Check age of file
|
||
if(filemtime($media['filename']) > filemtime($tempFileName)) {
|
||
// Too old, delete
|
||
unlink($tempFileName);
|
||
}
|
||
else {
|
||
// Valid, read and return
|
||
return file_get_contents($tempFileName);
|
||
}
|
||
}
|
||
|
||
// Load file with ImageMagick
|
||
$file = new \Imagick($media['filename']);
|
||
|
||
// Apply grayscale
|
||
if($grayscale) {
|
||
self::grayscaleImage($file);
|
||
}
|
||
|
||
// Risize image
|
||
if($resize !== false) {
|
||
self::resizeImage($file, $resize['width'], $resize['height']);
|
||
}
|
||
|
||
// Save temporary file
|
||
$file->setImageFormat($format);
|
||
$file->writeImage($tempFileName);
|
||
|
||
|
||
// Return file
|
||
return $file;
|
||
}
|
||
|
||
|
||
/**
|
||
* Get supported image types.
|
||
*
|
||
* @return array List of supported image types
|
||
*/
|
||
private static function getImageTypes()
|
||
{
|
||
$im = new \Imagick();
|
||
|
||
|
||
return $im->queryFormats();
|
||
}
|
||
|
||
|
||
/**
|
||
* Resize an image.
|
||
*
|
||
* @param \Imagick $im Image object
|
||
* @param int $width Max. width to resize to
|
||
* @param int $height Max. height to resize to
|
||
*/
|
||
private static function resizeImage($im, $width, $height)
|
||
{
|
||
// Calculate new size
|
||
$geometry = $im->getImageGeometry();
|
||
if($geometry['width'] < $width) {
|
||
$width = $geometry['width'];
|
||
}
|
||
if($geometry['height'] < $height) {
|
||
$height = $geometry['width'];
|
||
}
|
||
|
||
// Process
|
||
$im->thumbnailImage($width, $height, true);
|
||
$im->contrastImage(1);
|
||
}
|
||
|
||
|
||
/**
|
||
* Turn the colors of an image into grayscale.
|
||
*
|
||
* @param \Imagick $im Image object
|
||
*/
|
||
private static function grayscaleImage($im)
|
||
{
|
||
$im->modulateImage(100, 0, 100);
|
||
}
|
||
|
||
}
|
||
|
||
?>
|