445 lines
14 KiB
PHP
445 lines
14 KiB
PHP
<?php
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App::uses('AppController', 'Controller');
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/**
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* Events Controller
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*
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* @property Event $Event
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*/
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class EventsController extends AppController {
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/**
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* Components
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*
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* @var array
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*/
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public $components = array('RequestHandler', 'Scaler', 'Image', 'Paginator');
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public function beforeRender() {
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$this->set($this->Event->enumValues());
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}
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public function beforeFilter() {
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parent::beforeFilter();
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global $user;
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$canView = (!$user) || ($user['Events'] != 'None');
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if ( !$canView ) {
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throw new UnauthorizedException(__('Insufficient Privileges'));
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return;
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}
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}
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/**
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* index method
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*
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* @return void
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* This also creates a thumbnail for each event.
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*/
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public function index() {
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$this->Event->recursive = -1;
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global $user;
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require_once __DIR__ .'/../../../includes/Event.php';
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$allowedMonitors = $user ? preg_split('@,@', $user['MonitorIds'], NULL, PREG_SPLIT_NO_EMPTY) : null;
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if ( $allowedMonitors ) {
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$mon_options = array('Event.MonitorId' => $allowedMonitors);
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} else {
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$mon_options = '';
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}
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if ( $this->request->params['named'] ) {
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$this->FilterComponent = $this->Components->load('Filter');
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$conditions = $this->FilterComponent->buildFilter($this->request->params['named']);
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} else {
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$conditions = array();
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}
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$settings = array(
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// https://github.com/ZoneMinder/ZoneMinder/issues/995
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// 'limit' => $limit['ZM_WEB_EVENTS_PER_PAGE'],
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// 25 events per page which is what the above
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// default is, is way too low for an API
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// changing this to 100 so we don't kill ZM
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// with many event APIs. In future, we can
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// make a nice ZM_API_ITEMS_PER_PAGE for all pagination
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// API
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'limit' => '100',
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'order' => array('StartDateTime'),
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'paramType' => 'querystring',
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);
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if ( isset($conditions['GroupId']) ) {
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$settings['joins'] = array(
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array(
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'table' => 'Groups_Monitors',
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'type' => 'inner',
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'conditions' => array(
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'Groups_Monitors.MonitorId = Event.MonitorId'
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),
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),
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);
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$settings['contain'] = array('Group');
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}
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$settings['conditions'] = array($conditions, $mon_options);
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// How many events to return
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$this->loadModel('Config');
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$limit = $this->Config->find('list', array(
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'conditions' => array('Name' => 'ZM_WEB_EVENTS_PER_PAGE'),
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'fields' => array('Name', 'Value')
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));
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$this->Paginator->settings = $settings;
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$events = $this->Paginator->paginate('Event');
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// For each event, get the frameID which has the largest score
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// also add FS path
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foreach ( $events as $key => $value ) {
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$EventObj = new ZM\Event($value['Event']['Id']);
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$maxScoreFrameId = $this->getMaxScoreAlarmFrameId($value['Event']['Id']);
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$events[$key]['Event']['MaxScoreFrameId'] = $maxScoreFrameId;
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$events[$key]['Event']['FileSystemPath'] = $EventObj->Path();
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}
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$this->set(compact('events'));
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} // end public function index()
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/**
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* view method
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*
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* @throws NotFoundException
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* @param string $id
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* @return void
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*/
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public function view($id = null) {
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$this->loadModel('Config');
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$this->Event->recursive = 1;
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if ( !$this->Event->exists($id) ) {
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throw new NotFoundException(__('Invalid event'));
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}
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global $user;
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$allowedMonitors = $user ? preg_split('@,@', $user['MonitorIds'], NULL, PREG_SPLIT_NO_EMPTY) : null;
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if ( $allowedMonitors ) {
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$mon_options = array('Event.MonitorId' => $allowedMonitors);
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} else {
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$mon_options = '';
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}
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$options = array('conditions' => array(array('Event.' . $this->Event->primaryKey => $id), $mon_options));
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$event = $this->Event->find('first', $options);
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# Get the previous and next events for any monitor
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$this->Event->id = $id;
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$event_neighbors = $this->Event->find('neighbors');
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$event['Event']['Next'] = $event_neighbors['next']['Event']['Id'];
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$event['Event']['Prev'] = $event_neighbors['prev']['Event']['Id'];
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$event['Event']['fileExists'] = $this->Event->fileExists($event['Event']);
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$event['Event']['fileSize'] = $this->Event->fileSize($event['Event']);
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$EventObj = new ZM\Event($id);
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$event['Event']['FileSystemPath'] = $EventObj->Path();
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# Also get the previous and next events for the same monitor
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$event_monitor_neighbors = $this->Event->find('neighbors', array(
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'conditions'=>array('Event.MonitorId'=>$event['Event']['MonitorId'])
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));
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$event['Event']['NextOfMonitor'] = $event_monitor_neighbors['next']['Event']['Id'];
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$event['Event']['PrevOfMonitor'] = $event_monitor_neighbors['prev']['Event']['Id'];
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$this->loadModel('Frame');
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$event['Event']['MaxScoreFrameId'] = $this->Frame->findByEventid($id,'FrameId',array('Score'=>'desc','FrameId'=>'asc'))['Frame']['FrameId'];
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$event['Event']['AlarmFrameId'] = $this->Frame->findByEventidAndType($id,'Alarm')['Frame']['FrameId'];
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$this->set(array(
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'event' => $event,
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'_serialize' => array('event')
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));
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} // end function view
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/**
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* add method
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*
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* @return void
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*/
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public function add() {
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global $user;
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$canEdit = (!$user) || ($user['Events'] == 'Edit');
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if ( !$canEdit ) {
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throw new UnauthorizedException(__('Insufficient privileges'));
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return;
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}
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if ( $this->request->is('post') ) {
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$this->Event->create();
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if ( $this->Event->save($this->request->data) ) {
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return $this->flash(__('The event has been saved.'), array('action' => 'index'));
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}
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}
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$monitors = $this->Event->Monitor->find('list');
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$this->set(compact('monitors'));
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}
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/**
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* edit method
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*
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* @throws NotFoundException
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* @param string $id
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* @return void
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*/
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public function edit($id = null) {
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global $user;
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$canEdit = (!$user) || ($user['Events'] == 'Edit');
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if ( !$canEdit ) {
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throw new UnauthorizedException(__('Insufficient privileges'));
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return;
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}
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$this->Event->id = $id;
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if ( !$this->Event->exists($id) ) {
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throw new NotFoundException(__('Invalid event'));
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}
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if ( $this->Event->save($this->request->data) ) {
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$message = 'Saved';
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} else {
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$message = 'Error';
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}
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$this->set(array(
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'message' => $message,
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'_serialize' => array('message')
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));
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}
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/**
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* delete method
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*
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* @throws NotFoundException
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* @param string $id
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* @return void
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*/
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public function delete($id = null) {
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global $user;
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$canEdit = (!$user) || ($user['Events'] == 'Edit');
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if ( !$canEdit ) {
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throw new UnauthorizedException(__('Insufficient privileges'));
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return;
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}
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$this->Event->id = $id;
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if ( !$this->Event->exists() ) {
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throw new NotFoundException(__('Invalid event'));
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}
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$this->request->allowMethod('post', 'delete');
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if ( $this->Event->delete() ) {
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//$this->loadModel('Frame');
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//$this->Event->Frame->delete();
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return $this->flash(__('The event has been deleted.'), array('action' => 'index'));
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} else {
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return $this->flash(__('The event could not be deleted. Please, try again.'), array('action' => 'index'));
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}
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} // end public function delete
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public function search() {
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$this->Event->recursive = -1;
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// Unmodified conditions to pass to find()
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$find_conditions = array();
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// Conditions to be filtered by buildFilter
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$conditions = array();
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foreach ($this->params['named'] as $param_name => $value) {
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// Transform params into conditions
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if ( preg_match('/^\s?interval\s?/i', $value) ) {
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if (preg_match('/^[a-z0-9]+$/i', $param_name) !== 1) {
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throw new Exception('Invalid field name: ' . $param_name);
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}
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$matches = NULL;
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$value = preg_replace('/^\s?interval\s?/i', '', $value);
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if (preg_match('/^(?P<expr>[ -.:0-9\']+)\s+(?P<unit>[_a-z]+)$/i', trim($value), $matches) !== 1) {
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throw new Exception('Invalid interval: ' . $value);
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}
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$expr = trim($matches['expr']);
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$unit = trim($matches['unit']);
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array_push($find_conditions, "$param_name >= DATE_SUB(NOW(), INTERVAL $expr $unit)");
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} else {
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$conditions[$param_name] = $value;
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}
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}
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$this->FilterComponent = $this->Components->load('Filter');
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$conditions = $this->FilterComponent->buildFilter($conditions);
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array_push($conditions, $find_conditions);
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$results = $this->Event->find('all', array(
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'conditions' => $conditions
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));
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$this->set(array(
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'results' => $results,
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'_serialize' => array('results')
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));
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} // end public function search
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// format expected:
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// you can changed AlarmFrames to any other named params
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// consoleEvents/1 hour/AlarmFrames >=: 1/AlarmFrames <=: 20.json
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public function consoleEvents($interval = null) {
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$matches = NULL;
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// https://dev.mysql.com/doc/refman/5.5/en/expressions.html#temporal-intervals
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// Examples: `'1-1' YEAR_MONTH`, `'-1 10' DAY_HOUR`, `'1.999999' SECOND_MICROSECOND`
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if (preg_match('/^(?P<expr>[ -.:0-9\']+)\s+(?P<unit>[_a-z]+)$/i', trim($interval), $matches) !== 1) {
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throw new Exception('Invalid interval: ' . $interval);
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}
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$expr = trim($matches['expr']);
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$unit = trim($matches['unit']);
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$this->Event->recursive = -1;
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$results = array();
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$this->FilterComponent = $this->Components->load('Filter');
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if ( $this->request->params['named'] ) {
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$conditions = $this->FilterComponent->buildFilter($this->request->params['named']);
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} else {
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$conditions = array();
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}
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array_push($conditions, array("StartDateTime >= DATE_SUB(NOW(), INTERVAL $expr $unit)"));
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$query = $this->Event->find('all', array(
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'fields' => array(
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'MonitorId',
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'COUNT(*) AS Count',
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),
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'conditions' => $conditions,
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'group' => 'MonitorId',
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));
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foreach ($query as $result) {
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$results[$result['Event']['MonitorId']] = $result[0]['Count'];
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}
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$this->set(array(
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'results' => $results,
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'_serialize' => array('results')
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));
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}
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// Create a thumbnail and return the thumbnail's data for a given event id.
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public function createThumbnail($id = null) {
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$this->Event->recursive = -1;
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if ( !$this->Event->exists($id) ) {
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throw new NotFoundException(__('Invalid event'));
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}
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$event = $this->Event->find('first', array(
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'conditions' => array('Id' => $id)
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));
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// Find the max Frame for this Event. Error out otherwise.
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$this->loadModel('Frame');
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if ( !( $frame = $this->Frame->find('first', array(
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'conditions' => array(
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'EventId' => $event['Event']['Id'],
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'Score' => $event['Event']['MaxScore']
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)
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))) ) {
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throw new NotFoundException(__('Can not find Frame for Event ' . $event['Event']['Id']));
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}
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$this->loadModel('Config');
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// Get the config options required for reScale and getImageSrc
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// The $bw, $thumbs and unset() code is a workaround / temporary
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// until I have a better way of handing per-bandwidth config options
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$bw = (isset($_COOKIE['zmBandwidth']) ? strtoupper(substr($_COOKIE['zmBandwidth'], 0, 1)) : 'L');
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$thumbs = "ZM_WEB_${bw}_SCALE_THUMBS";
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$config = $this->Config->find('list', array(
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'conditions' => array('OR' => array(
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'Name' => array(
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'ZM_WEB_LIST_THUMB_WIDTH',
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'ZM_WEB_LIST_THUMB_HEIGHT',
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'ZM_EVENT_IMAGE_DIGITS',
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$thumbs,
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'ZM_DIR_EVENTS'
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)
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)),
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'fields' => array('Name', 'Value')
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));
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$config['ZM_WEB_SCALE_THUMBS'] = $config[$thumbs];
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unset($config[$thumbs]);
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// reScale based on either the width, or the hight, of the event.
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if ( $config['ZM_WEB_LIST_THUMB_WIDTH'] ) {
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$thumbWidth = $config['ZM_WEB_LIST_THUMB_WIDTH'];
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$scale = (100 * $thumbWidth) / $event['Event']['Width'];
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$thumbHeight = $this->Scaler->reScale( $event['Event']['Height'], $scale );
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} elseif ( $config['ZM_WEB_LIST_THUMB_HEIGHT'] ) {
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$thumbHeight = $config['ZM_WEB_LIST_THUMB_HEIGHT'];
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$scale = (100*$thumbHeight)/$event['Event']['Height'];
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$thumbWidth = $this->Scaler->reScale( $event['Event']['Width'], $scale );
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} else {
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throw new NotFoundException(__('No thumbnail width or height specified, please check in Options->Web'));
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}
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$imageData = $this->Image->getImageSrc( $event, $frame, $scale, $config );
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$thumbData['Path'] = $imageData['thumbPath'];
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$thumbData['Width'] = (int)$thumbWidth;
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$thumbData['Height'] = (int)$thumbHeight;
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return $thumbData;
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}
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public function archive($id = null) {
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$this->Event->recursive = -1;
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if ( !$this->Event->exists($id) ) {
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throw new NotFoundException(__('Invalid event'));
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}
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// Get the current value of Archive
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$archived = $this->Event->find('first', array(
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'fields' => array('Event.Archived'),
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'conditions' => array('Event.Id' => $id)
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));
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// If 0, 1, if 1, 0
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$archiveVal = (($archived['Event']['Archived'] == 0) ? 1 : 0);
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// Save the new value
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$this->Event->id = $id;
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$this->Event->saveField('Archived', $archiveVal);
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$this->set(array(
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'archived' => $archiveVal,
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'_serialize' => array('archived')
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));
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}
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public function getMaxScoreAlarmFrameId($id = null) {
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$this->Event->recursive = -1;
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if ( !$this->Event->exists($id) ) {
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throw new NotFoundException(__('Invalid event'));
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}
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$event = $this->Event->find('first', array(
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'conditions' => array('Id' => $id)
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));
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// Find the max Frame for this Event. Error out otherwise.
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$this->loadModel('Frame');
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$frame = $this->Frame->find('first', array(
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'conditions' => array(
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'EventId' => $event['Event']['Id'],
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'Score' => $event['Event']['MaxScore']
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)));
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return empty($frame)?null:$frame['Frame']['Id'];
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}
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} // end class EventsController
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