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<?php
/*
 * Spring Signage Ltd - http://www.springsignage.com
 * Copyright (C) 2015 Spring Signage Ltd
 * (Soap.php)
 */

namespace Xibo\Xmds;

define('BLACKLIST_ALL', "All");
define('BLACKLIST_SINGLE', "Single");

use Jenssegers\Date\Date;
use Slim\Log;
use Stash\Interfaces\PoolInterface;
use Xibo\Entity\Bandwidth;
use Xibo\Entity\Display;
use Xibo\Entity\Playlist;
use Xibo\Entity\Region;
use Xibo\Entity\Schedule;
use Xibo\Entity\Stat;
use Xibo\Entity\Widget;
use Xibo\Exception\ControllerNotImplemented;
use Xibo\Exception\DeadlockException;
use Xibo\Exception\NotFoundException;
use Xibo\Exception\XiboException;
use Xibo\Factory\BandwidthFactory;
use Xibo\Factory\DataSetFactory;
use Xibo\Factory\DayPartFactory;
use Xibo\Factory\DisplayEventFactory;
use Xibo\Factory\DisplayFactory;
use Xibo\Factory\LayoutFactory;
use Xibo\Factory\MediaFactory;
use Xibo\Factory\ModuleFactory;
use Xibo\Factory\NotificationFactory;
use Xibo\Factory\RegionFactory;
use Xibo\Factory\RequiredFileFactory;
use Xibo\Factory\ScheduleFactory;
use Xibo\Factory\UserFactory;
use Xibo\Factory\UserGroupFactory;
use Xibo\Factory\WidgetFactory;
use Xibo\Helper\ByteFormatter;
use Xibo\Helper\Random;
use Xibo\Service\ConfigServiceInterface;
use Xibo\Service\DateServiceInterface;
use Xibo\Service\LogServiceInterface;
use Xibo\Service\SanitizerServiceInterface;
use Xibo\Storage\StorageServiceInterface;

/**
 * Class Soap
 * @package Xibo\Xmds
 */
class Soap
{
    /**
     * @var Display
     */
    protected $display;

/**
     * @var LogProcessor
     */
    protected $logProcessor;

/** @var  PoolInterface */
    private $pool;

/** @var  StorageServiceInterface */
    private $store;

/** @var  LogServiceInterface */
    private $logService;

/** @var  DateServiceInterface */
    private $dateService;

/** @var  SanitizerServiceInterface */
    private $sanitizerService;

/** @var  ConfigServiceInterface */
    private $configService;

/** @var  RequiredFileFactory */
    protected $requiredFileFactory;

/** @var  ModuleFactory */
    protected $moduleFactory;

/** @var  LayoutFactory */
    protected $layoutFactory;

/** @var  DataSetFactory */
    protected $dataSetFactory;

/** @var  DisplayFactory */
    protected $displayFactory;

/** @var  UserGroupFactory */
    protected $userGroupFactory;

/** @var  BandwidthFactory */
    protected $bandwidthFactory;

/** @var  MediaFactory */
    protected $mediaFactory;

/** @var  WidgetFactory */
    protected $widgetFactory;

/** @var  RegionFactory */
    protected $regionFactory;

/** @var  NotificationFactory */
    protected $notificationFactory;

/** @var  DisplayEventFactory */
    protected $displayEventFactory;

/** @var  ScheduleFactory */
    protected $scheduleFactory;

/** @var  DayPartFactory */
    protected $dayPartFactory;

/**
     * Soap constructor.
     * @param LogProcessor $logProcessor
     * @param PoolInterface $pool
     * @param StorageServiceInterface $store
     * @param LogServiceInterface $log
     * @param DateServiceInterface $date
     * @param SanitizerServiceInterface $sanitizer
     * @param ConfigServiceInterface $config
     * @param RequiredFileFactory $requiredFileFactory
     * @param ModuleFactory $moduleFactory
     * @param LayoutFactory $layoutFactory
     * @param DataSetFactory $dataSetFactory
     * @param DisplayFactory $displayFactory
     * @param UserFactory $userGroupFactory
     * @param BandwidthFactory $bandwidthFactory
     * @param MediaFactory $mediaFactory
     * @param WidgetFactory $widgetFactory
     * @param RegionFactory $regionFactory
     * @param NotificationFactory $notificationFactory
     * @param DisplayEventFactory $displayEventFactory
     * @param ScheduleFactory $scheduleFactory
     * @param DayPartFactory $dayPartFactory
     */
    public function __construct($logProcessor, $pool, $store, $log, $date, $sanitizer, $config, $requiredFileFactory, $moduleFactory, $layoutFactory, $dataSetFactory, $displayFactory, $userGroupFactory, $bandwidthFactory, $mediaFactory, $widgetFactory, $regionFactory, $notificationFactory, $displayEventFactory, $scheduleFactory, $dayPartFactory)
    {
        $this->logProcessor = $logProcessor;
        $this->pool = $pool;
        $this->store = $store;
        $this->logService = $log;
        $this->dateService = $date;
        $this->sanitizerService = $sanitizer;
        $this->configService = $config;
        $this->requiredFileFactory = $requiredFileFactory;
        $this->moduleFactory = $moduleFactory;
        $this->layoutFactory = $layoutFactory;
        $this->dataSetFactory = $dataSetFactory;
        $this->displayFactory = $displayFactory;
        $this->userGroupFactory = $userGroupFactory;
        $this->bandwidthFactory = $bandwidthFactory;
        $this->mediaFactory = $mediaFactory;
        $this->widgetFactory = $widgetFactory;
        $this->regionFactory = $regionFactory;
        $this->notificationFactory = $notificationFactory;
        $this->displayEventFactory = $displayEventFactory;
        $this->scheduleFactory = $scheduleFactory;
        $this->dayPartFactory = $dayPartFactory;
    }

/**
     * Get Cache Pool
     * @return \Stash\Interfaces\PoolInterface
     */
    protected function getPool()
    {
        return $this->pool;
    }

/**
     * Get Store
     * @return StorageServiceInterface
     */
    protected function getStore()
    {
        return $this->store;
    }

/**
     * Get Log
     * @return LogServiceInterface
     */
    protected function getLog()
    {
        return $this->logService;
    }

/**
     * Get Date
     * @return DateServiceInterface
     */
    protected function getDate()
    {
        return $this->dateService;
    }

/**
     * Get Sanitizer
     * @return SanitizerServiceInterface
     */
    protected function getSanitizer()
    {
        return $this->sanitizerService;
    }

/**
     * Get Config
     * @return ConfigServiceInterface
     */
    protected function getConfig()
    {
        return $this->configService;
    }

/**
     * Get Required Files (common)
     * @param $serverKey
     * @param $hardwareKey
     * @param bool $httpDownloads
     * @return string
     * @throws \SoapFault
     */
    protected function doRequiredFiles($serverKey, $hardwareKey, $httpDownloads)
    {
        $this->logProcessor->setRoute('RequiredFiles');

// Sanitize
        $serverKey = $this->getSanitizer()->string($serverKey);
        $hardwareKey = $this->getSanitizer()->string($hardwareKey);
        $rfLookAhead = $this->getSanitizer()->int($this->getConfig()->GetSetting('REQUIRED_FILES_LOOKAHEAD'));

// Check the serverKey matches
        if ($serverKey != $this->getConfig()->GetSetting('SERVER_KEY'))
            throw new \SoapFault('Sender', 'The Server key you entered does not match with the server key at this address');

// Make sure we are sticking to our bandwidth limit
        if (!$this->checkBandwidth())
            throw new \SoapFault('Receiver', "Bandwidth Limit exceeded");

$libraryLocation = $this->getConfig()->GetSetting("LIBRARY_LOCATION");

// auth this request...
        if (!$this->authDisplay($hardwareKey))
            throw new \SoapFault('Sender', 'This display is not licensed.');

// Check the cache
        $cache = $this->getPool()->getItem($this->display->getCacheKey() . '/requiredFiles');

$output = $cache->get();

// Required Files caching operates in lockstep with nonce caching
        //  - required files are cached for 4 hours
        //  - nonces have an expiry of 1 day
        //  - nonces are marked "used" when they get used
        //  - nonce use/expiry is not checked for XMDS served files (getfile, getresource)
        //  - nonce use/expiry is checked for HTTP served files (media, layouts)
        //  - Each time a nonce is used through HTTP, the required files cache is invalidated so that new nonces
        //    are generated for the next request.
        if ($cache->isHit()) {
            $this->getLog()->info('Returning required files from Cache for display %s', $this->display->display);

// Log Bandwidth
            $this->logBandwidth($this->display->displayId, Bandwidth::$RF, strlen($output));

return $output;
        }

// Generate a new nonce for this player and store it in the cache.
        $playerNonce = Random::generateString(32);
        $playerNonceCache = $this->pool->getItem('/display/nonce/' . $this->display->displayId);
        $playerNonceCache->set($playerNonce);
        $playerNonceCache->expiresAfter(86400);
        $this->pool->saveDeferred($playerNonceCache);

// Get all required files for this display.
        // we will use this to drop items from the requirefile table if they are no longer in required files
        $rfIds = array_map(function ($element) {
            return intval($element['rfId']);
        }, $this->getStore()->select('SELECT rfId FROM `requiredfile` WHERE displayId = :displayId', ['displayId' => $this->display->displayId]));
        $newRfIds = [];

// Build a new RF
        $requiredFilesXml = new \DOMDocument("1.0");
        $fileElements = $requiredFilesXml->createElement("files");
        $requiredFilesXml->appendChild($fileElements);

// Hour to hour time bands for the query
        // Start at the current hour
        $fromFilter = $this->getDate()->parse()->setTime(0, 0, 0);

if ($this->getConfig()->GetSetting('SCHEDULE_LOOKAHEAD') == 'On')
            $toFilter = $fromFilter->copy()->addSeconds($rfLookAhead);
        else
            $toFilter = $fromFilter->copy()->addHour();

$this->getLog()->debug(sprintf('FromDT = %s. ToDt = %s', $fromFilter->toRssString(), $toFilter->toRssString()));

// Add the filter dates to the RF xml document
        $fileElements->setAttribute('generated', $this->getDate()->getLocalDate());
        $fileElements->setAttribute('fitlerFrom', $this->getDate()->getLocalDate($fromFilter));
        $fileElements->setAttribute('fitlerTo', $this->getDate()->getLocalDate($toFilter));

try {
            $dbh = $this->getStore()->getConnection();

// Get a list of all layout ids in the schedule right now
            // including any layouts that have been associated to our Display Group
            $SQL = '
                SELECT layout.layoutID, 
                    schedule.DisplayOrder, 
                    lkcampaignlayout.DisplayOrder AS LayoutDisplayOrder, 
                    schedule.eventId, 
                    schedule.fromDt, 
                    schedule.toDt, 
                    schedule.recurrence_type AS recurrenceType,
                    schedule.recurrence_detail AS recurrenceDetail,
                    schedule.recurrence_range AS recurrenceRange,
                    schedule.recurrenceRepeatsOn,
                    schedule.lastRecurrenceWatermark,
                    schedule.dayPartId
                  FROM `campaign`
                    INNER JOIN `schedule`
                    ON `schedule`.CampaignID = campaign.CampaignID
                    INNER JOIN `lkscheduledisplaygroup`
                    ON `lkscheduledisplaygroup`.eventId = `schedule`.eventId
                    INNER JOIN `lkcampaignlayout`
                    ON lkcampaignlayout.CampaignID = campaign.CampaignID
                    INNER JOIN `layout`
                    ON lkcampaignlayout.LayoutID = layout.LayoutID
                    INNER JOIN `lkdgdg`
                    ON `lkdgdg`.parentId = `lkscheduledisplaygroup`.displayGroupId
                    INNER JOIN `lkdisplaydg`
                    ON lkdisplaydg.DisplayGroupID = `lkdgdg`.childId
                 WHERE lkdisplaydg.DisplayID = :displayId
                    AND (
                      (schedule.FromDT < :toDt AND IFNULL(`schedule`.toDt, `schedule`.fromDt) > :fromDt) 
                      OR `schedule`.recurrence_range >= :fromDt 
                      OR (
                        IFNULL(`schedule`.recurrence_range, 0) = 0 AND IFNULL(`schedule`.recurrence_type, \'\') <> \'\' 
                      )
                    )
                    AND layout.retired = 0
                UNION
                SELECT `lklayoutdisplaygroup`.layoutId, 
                    0 AS DisplayOrder, 
                    0 AS LayoutDisplayOrder, 
                    0 AS eventId, 
                    0 AS fromDt, 
                    0 AS toDt, 
                    NULL AS recurrenceType, 
                    NULL AS recurrenceDetail,
                    NULL AS recurrenceRange,
                    NULL AS recurrenceRepeatsOn,
                    NULL AS lastRecurrenceWatermark,
                    NULL AS dayPartId
                  FROM `lklayoutdisplaygroup`
                    INNER JOIN `lkdgdg`
                    ON `lkdgdg`.parentId = `lklayoutdisplaygroup`.displayGroupId
                    INNER JOIN `lkdisplaydg`
                    ON lkdisplaydg.DisplayGroupID = `lkdgdg`.childId
                    INNER JOIN `layout`
                    ON `layout`.layoutID = `lklayoutdisplaygroup`.layoutId
                 WHERE lkdisplaydg.DisplayID = :displayId
                ORDER BY DisplayOrder, LayoutDisplayOrder, eventId
            ';

$params = array(
                'displayId' => $this->display->displayId,
                'fromDt' => $fromFilter->format('U'),
                'toDt' => $toFilter->format('U')
            );

if ($this->display->isAuditing())
                $this->getLog()->sql($SQL, $params);

$sth = $dbh->prepare($SQL);
            $sth->execute($params);

// Our layout list will always include the default layout
            $layouts = array();
            $layouts[] = $this->display->defaultLayoutId;

// Build up the other layouts into an array
            foreach ($sth->fetchAll() as $row) {
                $layoutId = $this->getSanitizer()->int($row['layoutID']);

if ($row['scheduleId'] != 0) {
                    $schedule = $this->scheduleFactory->createEmpty()->hydrate($row);

try {
                        $scheduleEvents = $schedule->getEvents($fromFilter, $toFilter);
                    } catch (XiboException $e) {
                        $this->getLog()->error('Unable to getEvents for ' . $schedule->eventId);
                        continue;
                    }

if (count($scheduleEvents) <= 0)
                        continue;
                }

$layouts[] = $layoutId;
            }

} catch (\Exception $e) {
            $this->getLog()->error('Unable to get a list of layouts. ' . $e->getMessage());
            return new \SoapFault('Sender', 'Unable to get a list of layouts');
        }

// Create a comma separated list to pass into the query which gets file nodes
        $layoutIdList = implode(',', $layouts);

try {
            $dbh = $this->getStore()->getConnection();

// Run a query to get all required files for this display.
            // Include the following:
            // DownloadOrder:
            //  1 - Module System Files and fonts
            //  2 - Media Linked to Displays
            //  3 - Media Linked to Widgets in the Scheduled Layouts
            //  4 - Background Images for all Scheduled Layouts
            $SQL = "
                SELECT 1 AS DownloadOrder, storedAs AS path, media.mediaID AS id, media.`MD5`, media.FileSize
                   FROM `media`
                 WHERE media.type = 'font'
                    OR (media.type = 'module' AND media.moduleSystemFile = 1)
                UNION ALL
                SELECT 2 AS DownloadOrder, storedAs AS path, media.mediaID AS id, media.`MD5`, media.FileSize
                   FROM `media`
                    INNER JOIN `lkmediadisplaygroup`
                    ON lkmediadisplaygroup.mediaid = media.MediaID
                    INNER JOIN `lkdgdg`
                    ON `lkdgdg`.parentId = `lkmediadisplaygroup`.displayGroupId
                    INNER JOIN `lkdisplaydg`
                    ON lkdisplaydg.DisplayGroupID = `lkdgdg`.childId
                 WHERE lkdisplaydg.DisplayID = :displayId
                UNION ALL
                SELECT 3 AS DownloadOrder, storedAs AS path, media.mediaID AS id, media.`MD5`, media.FileSize
                  FROM media
                   INNER JOIN `lkwidgetmedia`
                   ON `lkwidgetmedia`.mediaID = media.MediaID
                   INNER JOIN `widget`
                   ON `widget`.widgetId = `lkwidgetmedia`.widgetId
                   INNER JOIN `lkregionplaylist`
                   ON `lkregionplaylist`.playlistId = `widget`.playlistId
                   INNER JOIN `region`
                   ON `region`.regionId = `lkregionplaylist`.regionId
                   INNER JOIN layout
                   ON layout.LayoutID = region.layoutId
                 WHERE layout.layoutId IN (%s)
                UNION ALL
                SELECT 4 AS DownloadOrder, storedAs AS path, media.mediaId AS id, media.`MD5`, media.FileSize
                  FROM `media`
                 WHERE `media`.mediaID IN (
                    SELECT backgroundImageId
                      FROM `layout`
                     WHERE layoutId IN (%s)
                 )
                ORDER BY DownloadOrder
            ";

$sth = $dbh->prepare(sprintf($SQL, $layoutIdList, $layoutIdList));
            $sth->execute(array(
                'displayId' => $this->display->displayId
            ));

// Prepare a SQL statement in case we need to update the MD5 and FileSize on media nodes.
            $mediaSth = $dbh->prepare('UPDATE media SET `MD5` = :md5, FileSize = :size WHERE MediaID = :mediaid');

// Keep a list of path names added to RF to prevent duplicates
            $pathsAdded = array();

foreach ($sth->fetchAll() as $row) {
                // Media
                $path = $this->getSanitizer()->string($row['path']);
                $id = $this->getSanitizer()->string($row['id']);
                $md5 = $row['MD5'];
                $fileSize = $this->getSanitizer()->int($row['FileSize']);

// Check we haven't added this before
                if (in_array($path, $pathsAdded))
                    continue;

// Do we need to calculate a new MD5?
                // If they are empty calculate them and save them back to the media.
                if ($md5 == '' || $fileSize == 0) {

$md5 = md5_file($libraryLocation . $path);
                    $fileSize = filesize($libraryLocation . $path);

// Update the media record with this information
                    $mediaSth->execute(array('md5' => $md5, 'size' => $fileSize, 'mediaid' => $id));
                }

// Add nonce
                $mediaNonce = $this->requiredFileFactory->createForMedia($this->display->displayId, $id, $fileSize, $path)->save();
                $newRfIds[] = $mediaNonce->rfId;

// Add the file node
                $file = $requiredFilesXml->createElement("file");
                $file->setAttribute("type", 'media');
                $file->setAttribute("id", $id);
                $file->setAttribute("size", $fileSize);
                $file->setAttribute("md5", $md5);

if ($httpDownloads) {
                    // Serve a link instead (standard HTTP link)
                    $file->setAttribute("path", $this->generateRequiredFileDownloadPath('M', $id, $playerNonce));
                    $file->setAttribute("saveAs", $path);
                    $file->setAttribute("download", 'http');
                }
                else {
                    $file->setAttribute("download", 'xmds');
                    $file->setAttribute("path", $path);
                }

$fileElements->appendChild($file);

// Add to paths added
                $pathsAdded[] = $path;
            }
        } catch (\Exception $e) {
            $this->getLog()->error('Unable to get a list of required files. ' . $e->getMessage());
            $this->getLog()->debug($e->getTraceAsString());
            return new \SoapFault('Sender', 'Unable to get a list of files');
        }

// Get an array of modules to use
        $modules = $this->moduleFactory->get();

// Reset the paths added array to start again with layouts
        $pathsAdded = [];

// Go through each layout and see if we need to supply any resource nodes.
        foreach ($layouts as $layoutId) {

// Check we haven't added this before
            if (in_array($layoutId, $pathsAdded))
                continue;

// Load this layout
            try {
                $layout = $this->layoutFactory->loadById($layoutId);
                $layout->loadPlaylists();
            } catch (NotFoundException $e) {
                $this->getLog()->error('Layout not found - ID: ' . $layoutId . ', skipping.');
                continue;
            }

// Make sure its XLF is up to date
            $path = $layout->xlfToDisk(['notify' => false]);

// If the status is *still* 4, then we skip this layout as it cannot build
            if ($layout->status === 4) {
                $this->getLog()->debug('Skipping layoutId ' . $layout->layoutId . ' which wont build');
                continue;
            }

// For layouts the MD5 column is the layout xml
            $fileSize = filesize($path);
            $md5 = md5_file($path);
            $fileName = basename($path);

// Log
            if ($this->display->isAuditing())
                $this->getLog()->debug('MD5 for layoutid ' . $layoutId . ' is: [' . $md5 . ']');

// Add nonce
            $layoutNonce = $this->requiredFileFactory->createForLayout($this->display->displayId, $layoutId, $fileSize, $fileName)->save();
            $newRfIds[] = $layoutNonce->rfId;

// Add the Layout file element
            $file = $requiredFilesXml->createElement("file");
            $file->setAttribute("type", 'layout');
            $file->setAttribute("id", $layoutId);
            $file->setAttribute("size", $fileSize);
            $file->setAttribute("md5", $md5);

// Permissive check for http layouts - always allow unless windows and <= 120
            $supportsHttpLayouts = !($this->display->clientType == 'windows' && $this->display->clientCode <= 120);

if ($httpDownloads && $supportsHttpLayouts) {
                // Serve a link instead (standard HTTP link)
                $file->setAttribute("path", $this->generateRequiredFileDownloadPath('L', $layoutId, $playerNonce));
                $file->setAttribute("saveAs", $fileName);
                $file->setAttribute("download", 'http');
            }
            else {
                $file->setAttribute("download", 'xmds');
                $file->setAttribute("path", $layoutId);
            }

$fileElements->appendChild($file);

// Get the Layout Modified Date
            $layoutModifiedDt = $this->getDate()->parse($layout->modifiedDt, 'Y-m-d H:i:s');

// Load the layout XML and work out if we have any ticker / text / dataset media items
            foreach ($layout->regions as $region) {
                /* @var Region $region */
                foreach ($region->playlists as $playlist) {
                    /* @var Playlist $playlist */
                    foreach ($playlist->widgets as $widget) {
                        /* @var Widget $widget */
                        if ($widget->type == 'ticker' ||
                            $widget->type == 'text' ||
                            $widget->type == 'datasetview' ||
                            $widget->type == 'webpage' ||
                            $widget->type == 'embedded' ||
                            $modules[$widget->type]->renderAs == 'html'
                        ) {
                            // Add nonce
                            $getResourceRf = $this->requiredFileFactory->createForGetResource($this->display->displayId, $widget->widgetId)->save();
                            $newRfIds[] = $getResourceRf->rfId;

// Make me a module from the widget, so I can ask it whether it has an updated last accessed
                            // date or not.
                            $module = $this->moduleFactory->createWithWidget($widget);

// Get the widget modified date
                            // we will use the later of this vs the layout modified date as the updated attribute on
                            // required files
                            $widgetModifiedDt = $module->getModifiedDate($this->display->displayId);

// Append this item to required files
                            $file = $requiredFilesXml->createElement("file");
                            $file->setAttribute('type', 'resource');
                            $file->setAttribute('id', $widget->widgetId);
                            $file->setAttribute('layoutid', $layoutId);
                            $file->setAttribute('regionid', $region->regionId);
                            $file->setAttribute('mediaid', $widget->widgetId);
                            $file->setAttribute('updated', ($layoutModifiedDt->greaterThan($widgetModifiedDt) ? $layoutModifiedDt : $widgetModifiedDt));
                            $fileElements->appendChild($file);
                        }
                    }
                }
            }

// Add to paths added
            $pathsAdded[] = $layoutId;
        }

// Add a blacklist node
        $blackList = $requiredFilesXml->createElement("file");
        $blackList->setAttribute("type", "blacklist");

$fileElements->appendChild($blackList);

try {
            $dbh = $this->getStore()->getConnection();

$sth = $dbh->prepare('SELECT MediaID FROM blacklist WHERE DisplayID = :displayid AND isIgnored = 0');
            $sth->execute(array(
                'displayid' => $this->display->displayId
            ));

// Add a black list element for each file
            foreach ($sth->fetchAll() as $row) {
                $file = $requiredFilesXml->createElement("file");
                $file->setAttribute("id", $row['MediaID']);

$blackList->appendChild($file);
            }
        } catch (\Exception $e) {
            $this->getLog()->error('Unable to get a list of blacklisted files. ' . $e->getMessage());
            return new \SoapFault('Sender', 'Unable to get a list of blacklisted files');
        }

// Remove any required files that remain in the array of rfIds
        $rfIds = array_values(array_diff($rfIds, $newRfIds));
        if (count($rfIds) > 0) {
            $this->getLog()->debug('Removing ' . count($rfIds) . ' from requiredfiles');

try {
                $this->getStore()->updateWithDeadlockLoop('DELETE FROM `requiredfile` WHERE rfId IN (' . implode(',', array_fill(0, count($rfIds), '?')) . ')', $rfIds);
            } catch (DeadlockException $deadlockException) {
                $this->getLog()->error('Deadlock when deleting required files - ignoring and continuing with request');
            }
        }

// Set any remaining required files to have 0 bytes requested (as we've generated a new nonce)
        $this->getStore()->update('UPDATE `requiredfile` SET bytesRequested = 0 WHERE displayId = :displayId', [
            'displayId' => $this->display->displayId
        ]);

// Phone Home?
        $this->phoneHome();

if ($this->display->isAuditing())
            $this->getLog()->debug($requiredFilesXml->saveXML());

// Return the results of requiredFiles()
        $requiredFilesXml->formatOutput = true;
        $output = $requiredFilesXml->saveXML();

// Cache
        $cache->set($output);

// RF cache expires every 4 hours
        $cache->expiresAfter(3600*4);
        $this->getPool()->saveDeferred($cache);

// Log Bandwidth
        $this->logBandwidth($this->display->displayId, Bandwidth::$RF, strlen($output));

return $output;
    }

/**
     * @param $serverKey
     * @param $hardwareKey
     * @param array $options
     * @return mixed
     * @throws \SoapFault
     */
    protected function doSchedule($serverKey, $hardwareKey, $options = [])
    {
        $this->logProcessor->setRoute('Schedule');

$options = array_merge(['dependentsAsNodes' => false, 'includeOverlays' => false], $options);

// Make sure we are sticking to our bandwidth limit
        if (!$this->checkBandwidth())
            throw new \SoapFault('Receiver', "Bandwidth Limit exceeded");

// auth this request...
        if (!$this->authDisplay($hardwareKey))
            throw new \SoapFault('Sender', "This display client is not licensed");

// Check the cache
        $cache = $this->getPool()->getItem($this->display->getCacheKey() . '/schedule');

$output = $cache->get();

if ($cache->isHit()) {
            $this->getLog()->info('Returning Schedule from Cache for display %s. Options %s.', $this->display->display, json_encode($options));

// Log Bandwidth
            $this->logBandwidth($this->display->displayId, Bandwidth::$SCHEDULE, strlen($output));

return $output;
        }

// Generate the Schedule XML
        $scheduleXml = new \DOMDocument("1.0");
        $layoutElements = $scheduleXml->createElement("schedule");

$scheduleXml->appendChild($layoutElements);

// Hour to hour time bands for the query
        // Rf lookahead is the number of seconds ahead we should consider.
        // it may well be less than 1 hour, and if so we cannot do hour to hour time bands, we need to do
        // now, forwards.
        // Start with now:
        $fromFilter = $this->getDate()->parse();

if ($rfLookAhead >= 3600) {
            // Go from the top of this hour
            $fromFilter
                ->minute(0)
                ->second(0);
        }

// If we're set to look ahead, then do so - otherwise grab only a 1 hour slice
        if ($this->getConfig()->GetSetting('SCHEDULE_LOOKAHEAD') == 'On') {
            $toFilter = $fromFilter->copy()->addSeconds($rfLookAhead);
        } else {
            $toFilter = $fromFilter->copy()->addHour();
        }

$this->getLog()->debug(sprintf('FromDT = %s. ToDt = %s', $fromFilter->toRssString(), $toFilter->toRssString()));

// Add the filter dates to the RF xml document
        $layoutElements->setAttribute('generated', $this->getDate()->getLocalDate());
        $layoutElements->setAttribute('fitlerFrom', $this->getDate()->getLocalDate($fromFilter));
        $layoutElements->setAttribute('fitlerTo', $this->getDate()->getLocalDate($toFilter));

try {
            $dbh = $this->getStore()->getConnection();

// Get all the module dependants
            $sth = $dbh->prepare("SELECT DISTINCT StoredAs FROM `media` WHERE media.type = 'font' OR (media.type = 'module' AND media.moduleSystemFile = 1) ");
            $sth->execute(array());
            $rows = $sth->fetchAll();
            $moduleDependents = array();

foreach ($rows as $dependent) {
                $moduleDependents[] = $dependent['StoredAs'];
            }

// Add file nodes to the $fileElements
            // Firstly get all the scheduled layouts
            $events = $this->scheduleFactory->getForXmds($this->display->displayId, $fromFilter, $toFilter, $options);

// If our dependents are nodes, then build a list of layouts we can use to query for nodes
            $layoutDependents = [];

// Layouts (pop in the default)
            $layoutIds = [$this->display->defaultLayoutId];

foreach ($events as $event) {
                if ($event['layoutId'] != null && !in_array($event['layoutId'], $layoutIds))
                    $layoutIds[] = $event['layoutId'];
            }

$SQL = '
                SELECT DISTINCT `region`.layoutId, `media`.storedAs
                  FROM `media`
                    INNER JOIN `lkwidgetmedia`
                    ON `lkwidgetmedia`.MediaID = `media`.MediaID
                    INNER JOIN `widget`
                    ON `widget`.widgetId = `lkwidgetmedia`.widgetId
                    INNER JOIN `lkregionplaylist`
                    ON `lkregionplaylist`.playlistId = `widget`.playlistId
                    INNER JOIN `region`
                    ON `region`.regionId = `lkregionplaylist`.regionId
                 WHERE `region`.layoutId IN (' . implode(',', $layoutIds) . ')
                  AND media.type <> \'module\'
            ';

foreach ($this->getStore()->select($SQL, []) as $row) {
                if (!array_key_exists($row['layoutId'], $layoutDependents))
                    $layoutDependents[$row['layoutId']] = [];

$layoutDependents[$row['layoutId']][] = $row['storedAs'];
            }

$this->getLog()->debug('Resolved dependents for Schedule: %s.', json_encode($layoutDependents, JSON_PRETTY_PRINT));

$overlayNodes = null;

// We must have some results in here by this point
            foreach ($events as $row) {

$schedule = $this->scheduleFactory->createEmpty()->hydrate($row);

try {
                    $scheduleEvents = $schedule->getEvents($fromFilter, $toFilter);
                } catch (XiboException $e) {
                    $this->getLog()->error('Unable to getEvents for ' . $schedule->eventId);
                    continue;
                }

$this->getLog()->debug(count($scheduleEvents) . ' events for eventId ' . $schedule->eventId);

foreach ($scheduleEvents as $scheduleEvent) {

$eventTypeId = $row['eventTypeId'];
                    $layoutId = $row['layoutId'];
                    $commandCode = $row['code'];

// Handle the from/to date of the events we have been returned (they are all returned with respect to
                    // the current CMS timezone)
                    // Does the Display have a timezone?
                    if (!empty($this->display->timeZone) && $schedule->syncTimezone == 1) {
                        $fromDt = $this->getDate()->getLocalDate($scheduleEvent->fromDt, null, $this->display->timeZone);
                        $toDt = $this->getDate()->getLocalDate($scheduleEvent->toDt, null, $this->display->timeZone);
                    } else {
                        $fromDt = $this->getDate()->getLocalDate($scheduleEvent->fromDt);
                        $toDt = $this->getDate()->getLocalDate($scheduleEvent->toDt);
                    }

$scheduleId = $row['eventId'];
                    $is_priority = $this->getSanitizer()->int($row['isPriority']);

if ($eventTypeId == Schedule::$LAYOUT_EVENT) {
                        // Ensure we have a layoutId (we may not if an empty campaign is assigned)
                        // https://github.com/xibosignage/xibo/issues/894
                        if ($layoutId == 0 || empty($layoutId)) {
                            $this->getLog()->info('Player has empty event scheduled. Display = %s, EventId = %d', $this->display->display, $scheduleId);
                            continue;
                        }

// Check the layout status
                        // https://github.com/xibosignage/xibo/issues/743
                        if (intval($row['status']) > 3) {
                            $this->getLog()->info('Player has invalid layout scheduled. Display = %s, LayoutId = %d', $this->display->display, $layoutId);
                            continue;
                        }

// Add a layout node to the schedule
                        $layout = $scheduleXml->createElement("layout");
                        $layout->setAttribute("file", $layoutId);
                        $layout->setAttribute("fromdt", $fromDt);
                        $layout->setAttribute("todt", $toDt);
                        $layout->setAttribute("scheduleid", $scheduleId);
                        $layout->setAttribute("priority", $is_priority);

// Handle dependents
                        if (array_key_exists($layoutId, $layoutDependents)) {
                            if ($options['dependentsAsNodes']) {
                                // Add the dependents to the layout as new nodes
                                $dependentNode = $scheduleXml->createElement("dependents");

foreach ($layoutDependents[$layoutId] as $storedAs) {
                                    $fileNode = $scheduleXml->createElement("file", $storedAs);

$dependentNode->appendChild($fileNode);
                                }

$layout->appendChild($dependentNode);
                            } else {
                                // Add the dependents to the layout as an attribute
                                $layout->setAttribute("dependents", implode(',', $layoutDependents[$layoutId]));
                            }
                        }

$layoutElements->appendChild($layout);

} else if ($eventTypeId == Schedule::$COMMAND_EVENT) {
                        // Add a command node to the schedule
                        $command = $scheduleXml->createElement("command");
                        $command->setAttribute("date", $fromDt);
                        $command->setAttribute("scheduleid", $scheduleId);
                        $command->setAttribute('code', $commandCode);
                        $layoutElements->appendChild($command);
                    } else if ($eventTypeId == Schedule::$OVERLAY_EVENT && $options['includeOverlays']) {
                        // Ensure we have a layoutId (we may not if an empty campaign is assigned)
                        // https://github.com/xibosignage/xibo/issues/894
                        if ($layoutId == 0 || empty($layoutId)) {
                            $this->getLog()->error('Player has empty event scheduled. Display = %s, EventId = %d', $this->display->display, $scheduleId);
                            continue;
                        }

// Check the layout status
                        // https://github.com/xibosignage/xibo/issues/743
                        if (intval($row['status']) > 3) {
                            $this->getLog()->error('Player has invalid layout scheduled. Display = %s, LayoutId = %d', $this->display->display, $layoutId);
                            continue;
                        }

if ($overlayNodes == null) {
                            $overlayNodes = $scheduleXml->createElement('overlays');
                        }

$overlay = $scheduleXml->createElement('overlay');
                        $overlay->setAttribute("file", $layoutId);
                        $overlay->setAttribute("fromdt", $fromDt);
                        $overlay->setAttribute("todt", $toDt);
                        $overlay->setAttribute("scheduleid", $scheduleId);
                        $overlay->setAttribute("priority", $is_priority);

// Add to the overlays node list
                        $overlayNodes->appendChild($overlay);
                    }
                }
            }

// Add the overlay nodes if we had any
            if ($overlayNodes != null)
                $layoutElements->appendChild($overlayNodes);

} catch (\Exception $e) {
            $this->getLog()->error('Error getting the schedule. ' . $e->getMessage());
            return new \SoapFault('Sender', 'Unable to get the schedule');
        }

// Are we interleaving the default?
        if ($this->display->incSchedule == 1) {
            // Add as a node at the end of the schedule.
            $layout = $scheduleXml->createElement("layout");

$layout->setAttribute("file", $this->display->defaultLayoutId);
            $layout->setAttribute("fromdt", '2000-01-01 00:00:00');
            $layout->setAttribute("todt", '2030-01-19 00:00:00');
            $layout->setAttribute("scheduleid", 0);
            $layout->setAttribute("priority", 0);

if ($options['dependentsAsNodes'] && array_key_exists($this->display->defaultLayoutId, $layoutDependents)) {
                $dependentNode = $scheduleXml->createElement("dependents");

foreach ($layoutDependents[$this->display->defaultLayoutId] as $storedAs) {
                    $fileNode = $scheduleXml->createElement("file", $storedAs);

$dependentNode->appendChild($fileNode);
                }

$layout->appendChild($dependentNode);
            }

$layoutElements->appendChild($layout);
        }

// Add on the default layout node
        $default = $scheduleXml->createElement("default");
        $default->setAttribute("file", $this->display->defaultLayoutId);

if ($options['dependentsAsNodes'] && array_key_exists($this->display->defaultLayoutId, $layoutDependents)) {
            $dependentNode = $scheduleXml->createElement("dependents");

foreach ($layoutDependents[$this->display->defaultLayoutId] as $storedAs) {
                $fileNode = $scheduleXml->createElement("file", $storedAs);

$dependentNode->appendChild($fileNode);
            }

$default->appendChild($dependentNode);
        }

$layoutElements->appendChild($default);

// Add on a list of global dependants
        $globalDependents = $scheduleXml->createElement("dependants");

foreach ($moduleDependents as $dep) {
            $dependent = $scheduleXml->createElement("file", $dep);
            $globalDependents->appendChild($dependent);
        }
        $layoutElements->appendChild($globalDependents);

// Format the output
        $scheduleXml->formatOutput = true;

if ($this->display->isAuditing())
            $this->getLog()->debug($scheduleXml->saveXML());

$output = $scheduleXml->saveXML();

// Cache
        $cache->set($output);
        $cache->expiresAt($toFilter);
        $this->getPool()->saveDeferred($cache);

// Log Bandwidth
        $this->logBandwidth($this->display->displayId, Bandwidth::$SCHEDULE, strlen($output));

return $output;
    }

/**
     * @param $serverKey
     * @param $hardwareKey
     * @param $mediaId
     * @param $type
     * @param $reason
     * @return bool|\SoapFault
     * @throws \SoapFault
     */
    protected function doBlackList($serverKey, $hardwareKey, $mediaId, $type, $reason)
    {
        $this->logProcessor->setRoute('BlackList');

// Sanitize
        $serverKey = $this->getSanitizer()->string($serverKey);
        $hardwareKey = $this->getSanitizer()->string($hardwareKey);
        $mediaId = $this->getSanitizer()->string($mediaId);
        $type = $this->getSanitizer()->string($type);
        $reason = $this->getSanitizer()->string($reason);

// Make sure we are sticking to our bandwidth limit
        if (!$this->checkBandwidth())
            throw new \SoapFault('Receiver', "Bandwidth Limit exceeded");

// Authenticate this request...
        if (!$this->authDisplay($hardwareKey))
            throw new \SoapFault('Receiver', "This display client is not licensed", $hardwareKey);

if ($this->display->isAuditing())
            $this->getLog()->debug('Blacklisting ' . $mediaId . ' for ' . $reason);

try {
            $dbh = $this->getStore()->getConnection();

// Check to see if this media / display is already blacklisted (and not ignored)
            $sth = $dbh->prepare('SELECT BlackListID FROM blacklist WHERE MediaID = :mediaid AND isIgnored = 0 AND DisplayID = :displayid');
            $sth->execute(array(
                'mediaid' => $mediaId,
                'displayid' => $this->display->displayId
            ));

$results = $sth->fetchAll();

if (count($results) == 0) {

$insertSth = $dbh->prepare('
                        INSERT INTO blacklist (MediaID, DisplayID, ReportingDisplayID, Reason)
                            VALUES (:mediaid, :displayid, :reportingdisplayid, :reason)
                    ');

// Insert the black list record
                if ($type == BLACKLIST_SINGLE) {
                    $insertSth->execute(array(
                        'mediaid' => $mediaId,
                        'displayid' => $this->display->displayId,
                        'reportingdisplayid' => $this->display->displayId,
                        'reason' => $reason
                    ));
                } else {
                    $displaySth = $dbh->prepare('SELECT displayID FROM `display`');
                    $displaySth->execute();

foreach ($displaySth->fetchAll() as $row) {

$insertSth->execute(array(
                            'mediaid' => $mediaId,
                            'displayid' => $row['displayID'],
                            'reportingdisplayid' => $this->display->displayId,
                            'reason' => $reason
                        ));
                    }
                }
            } else {
                if ($this->display->isAuditing())
                    $this->getLog()->debug($mediaId . ' already black listed');
            }
        } catch (\Exception $e) {
            $this->getLog()->error('Unable to query for Blacklist records. ' . $e->getMessage());
            return new \SoapFault('Sender', "Unable to query for BlackList records.");
        }

$this->logBandwidth($this->display->displayId, Bandwidth::$BLACKLIST, strlen($reason));

return true;
    }

/**
     * @param $serverKey
     * @param $hardwareKey
     * @param $logXml
     * @return bool
     * @throws \SoapFault
     */
    protected function doSubmitLog($serverKey, $hardwareKey, $logXml)
    {
        $this->logProcessor->setRoute('SubmitLog');

// Sanitize
        $serverKey = $this->getSanitizer()->string($serverKey);
        $hardwareKey = $this->getSanitizer()->string($hardwareKey);

// Make sure we are sticking to our bandwidth limit
        if (!$this->checkBandwidth())
            throw new \SoapFault('Receiver', "Bandwidth Limit exceeded");

// Auth this request...
        if (!$this->authDisplay($hardwareKey))
            throw new \SoapFault('Sender', 'This display client is not licensed.');

// Load the XML into a DOMDocument
        $document = new \DOMDocument("1.0");

if (!$document->loadXML($logXml)) {
            $this->getLog()->error('Malformed XML from Player, this will be discarded. The Raw XML String provided is: ' . $logXml);
            $this->getLog()->debug('XML log: ' . $logXml);
            return true;
        }

// Current log level
        $logLevel = $this->logProcessor->getLevel();
        $discardedLogs = 0;

// Get the display timezone to use when adjusting log dates.
        $defaultTimeZone = $this->getConfig()->GetSetting('defaultTimezone');

// Store processed logs in an array
        $logs = [];

foreach ($document->documentElement->childNodes as $node) {
            /* @var \DOMElement $node */
            // Make sure we don't consider any text nodes
            if ($node->nodeType == XML_TEXT_NODE)
                continue;

// Zero out the common vars
            $scheduleId = "";
            $layoutId = "";
            $mediaId = "";
            $method = '';
            $thread = '';
            $type = '';

// This will be a bunch of trace nodes
            $message = $node->textContent;

// Each element should have a category and a date
            $date = $node->getAttribute('date');
            $cat = strtolower($node->getAttribute('category'));

if ($date == '' || $cat == '') {
                $this->getLog()->error('Log submitted without a date or category attribute');
                continue;
            }

// Does this meet the current log level?
            if ($cat == 'error') {
                $recordLogLevel = Log::ERROR;
                $levelName = 'ERROR';
            }
            else if ($cat == 'audit') {
                $recordLogLevel = Log::DEBUG;
                $levelName = 'DEBUG';
            }
            else {
                $recordLogLevel = Log::NOTICE;
                $levelName = 'NOTICE';
            }

if ($recordLogLevel > $logLevel) {
                $discardedLogs++;
                continue;
            }

// Adjust the date according to the display timezone
            try {
                $date = ($this->display->timeZone != null) ? Date::createFromFormat('Y-m-d H:i:s', $date, $this->display->timeZone)->tz($defaultTimeZone) : Date::createFromFormat('Y-m-d H:i:s', $date);
                $date = $this->getDate()->getLocalDate($date);
            } catch (\Exception $e) {
                // Protect against the date format being inreadable
                $this->getLog()->debug('Date format unreadable on log message: ' . $date);

// Use now instead
                $date = $this->getDate()->getLocalDate();
            }

// Get the date and the message (all log types have these)
            foreach ($node->childNodes as $nodeElements) {

if ($nodeElements->nodeName == "scheduleID") {
                    $scheduleId = $nodeElements->textContent;
                } else if ($nodeElements->nodeName == "layoutID") {
                    $layoutId = $nodeElements->textContent;
                } else if ($nodeElements->nodeName == "mediaID") {
                    $mediaId = $nodeElements->textContent;
                } else if ($nodeElements->nodeName == "type") {
                    $type = $nodeElements->textContent;
                } else if ($nodeElements->nodeName == "method") {
                    $method = $nodeElements->textContent;
                } else if ($nodeElements->nodeName == "message") {
                    $message = $nodeElements->textContent;
                } else if ($nodeElements->nodeName == "thread") {
                    if ($nodeElements->textContent != '')
                        $thread = '[' . $nodeElements->textContent . '] ';
                }
            }

// If the message is still empty, take the entire node content
            if ($message == '')
                $message = $node->textContent;

// Trim the page if it is over 50 characters.
            $page = $thread . $method . $type;

if (strlen($page) >= 50)
                $page = substr($page, 0, 49);

$logs[] = [
                $this->logProcessor->getUid(),
                $date,
                'PLAYER',
                $levelName,
                $page,
                'POST',
                $message . $scheduleId . $layoutId . $mediaId,
                0,
                $this->display->displayId
            ];
        }

if (count($logs) > 0) {
            // Insert
            $sql = 'INSERT INTO log (runNo, logdate, channel, type, page, function, message, userid, displayid) VALUES ';
            $placeHolders = '(?, ?, ?, ?, ?, ?, ?, ?, ?)';

$sql = $sql . implode(', ', array_fill(1, count($logs), $placeHolders));

// Flatten the array
            $data = [];
            foreach ($logs as $log) {
                foreach ($log as $field) {
                    $data[] = $field;
                }
            }

// Insert
            $this->getStore()->isolated($sql, $data);
        } else {
            $this->getLog()->info('0 logs resolved from log package');
        }

if ($discardedLogs > 0)
            $this->getLog()->info('Discarded ' . $discardedLogs . ' logs. Consider adjusting your display profile log level. Resolved level is ' . $logLevel);

$this->logBandwidth($this->display->displayId, Bandwidth::$SUBMITLOG, strlen($logXml));

return true;
    }

/**
     * @param $serverKey
     * @param $hardwareKey
     * @param $statXml
     * @return bool
     * @throws \SoapFault
     */
    protected function doSubmitStats($serverKey, $hardwareKey, $statXml)
    {
        $this->logProcessor->setRoute('SubmitStats');

// Sanitize
        $serverKey = $this->getSanitizer()->string($serverKey);
        $hardwareKey = $this->getSanitizer()->string($hardwareKey);

// Make sure we are sticking to our bandwidth limit
        if (!$this->checkBandwidth())
            throw new \SoapFault('Receiver', "Bandwidth Limit exceeded");

// Auth this request...
        if (!$this->authDisplay($hardwareKey))
            throw new \SoapFault('Receiver', "This display client is not licensed");

if ($this->display->isAuditing())
            $this->getLog()->debug('Received XML. ' . $statXml);

if ($statXml == "")
            throw new \SoapFault('Receiver', "Stat XML is empty.");

// Store an array of parsed stat data for insert
        $stats = [];
        $now = $this->getDate()->getLocalDate();

// Load the XML into a DOMDocument
        $document = new \DOMDocument("1.0");
        $document->loadXML($statXml);

// Each element should have these attributes
            $fromdt = $node->getAttribute('fromdt');
            $todt = $node->getAttribute('todt');
            $type = $node->getAttribute('type');

if ($fromdt == '' || $todt == '' || $type == '') {
                $this->getLog()->error('Stat submitted without the fromdt, todt or type attributes.');
                continue;
            }

$scheduleId = $node->getAttribute('scheduleid');

if (empty($scheduleId))
                $scheduleId = 0;

$layoutId = $node->getAttribute('layoutid');
            
            // Slightly confusing behaviour here to support old players without introducting a different call in 
            // xmds v=5.
            // MediaId is actually the widgetId (since 1.8) and the mediaId is looked up by this service
            $widgetId = $node->getAttribute('mediaid');
            $mediaId = 0;

// Ignore old "background" stat records.
            if ($widgetId === 'background') {
                $this->getLog()->info('Ignoring old "background" stat record.');
                continue;
            }

// The mediaId (really widgetId) might well be null
            if ($widgetId == 'null' || $widgetId == '')
                $widgetId = 0;

if ($widgetId > 0) {
                // Lookup the mediaId
                $media = $this->mediaFactory->getByLayoutAndWidget($layoutId, $widgetId);

if (count($media) <= 0) {
                    // Non-media widget
                    $mediaId = 0;
                } else {
                    $mediaId = $media[0]->mediaId;
                }
            }
            
            $tag = $node->getAttribute('tag');

if ($tag == 'null')
                $tag = null;

// Add this information to an array for batch insert
            $stats[] = [
                'type' => $type,
                'statDate' => $now,
                'fromDt' => $fromdt,
                'toDt' => $todt,
                'scheduleId' => $scheduleId,
                'displayId' => $this->display->displayId,
                'layoutId' => $layoutId,
                'mediaId' => $mediaId,
                'tag' => $tag,
                'widgetId' => $widgetId,
            ];
        }

if (count($stats) > 0) {
            // Insert
            $sql = 'INSERT INTO `stat` (`type`, statDate, start, `end`, scheduleID, displayID, layoutID, mediaID, Tag, `widgetId`) VALUES ';
            $placeHolders = '(?, ?, ?, ?, ?, ?, ?, ?, ?, ?)';

$sql = $sql . implode(', ', array_fill(1, count($stats), $placeHolders));

// Flatten the array
            $data = [];
            foreach ($stats as $stat) {
                foreach ($stat as $field) {
                    $data[] = $field;
                }
            }

// Insert
            $this->getStore()->isolated($sql, $data);
        } else {
            $this->getLog()->info('0 stats resolved from data package');
        }

$this->logBandwidth($this->display->displayId, Bandwidth::$SUBMITSTATS, strlen($statXml));

return true;
    }

/**
     * @param $serverKey
     * @param $hardwareKey
     * @param $inventory
     * @return bool
     * @throws \SoapFault
     */
    protected function doMediaInventory($serverKey, $hardwareKey, $inventory)
    {
        $this->logProcessor->setRoute('MediaInventory');

// Sanitize
        $serverKey = $this->getSanitizer()->string($serverKey);
        $hardwareKey = $this->getSanitizer()->string($hardwareKey);

// Make sure we are sticking to our bandwidth limit
        if (!$this->checkBandwidth())
            throw new \SoapFault('Receiver', "Bandwidth Limit exceeded");

// Auth this request...
        if (!$this->authDisplay($hardwareKey))
            throw new \SoapFault('Receiver', 'This display client is not licensed');

if ($this->display->isAuditing())
            $this->getLog()->debug($inventory);

// Check that the $inventory contains something
        if ($inventory == '')
            throw new \SoapFault('Receiver', 'Inventory Cannot be Empty');

// Load the XML into a DOMDocument
        $document = new \DOMDocument("1.0");
        $document->loadXML($inventory);

// Assume we are complete (but we are getting some)
        $mediaInventoryComplete = 1;

$xpath = new \DOMXPath($document);
        $fileNodes = $xpath->query("//file");

foreach ($fileNodes as $node) {
            /* @var \DOMElement $node */

// What type of file?
            try {
                $requiredFile = null;
                switch ($node->getAttribute('type')) {

case 'media':
                        $requiredFile = $this->requiredFileFactory->getByDisplayAndMedia($this->display->displayId, $node->getAttribute('id'));
                        break;

case 'layout':
                        $requiredFile = $this->requiredFileFactory->getByDisplayAndLayout($this->display->displayId, $node->getAttribute('id'));
                        break;

case 'resource':
                        $requiredFile = $this->requiredFileFactory->getByDisplayAndWidget($this->display->displayId, $node->getAttribute('id'));
                        break;

default:
                        $this->getLog()->debug('Skipping unknown node in media inventory: %s - %s.', $node->getAttribute('type'), $node->getAttribute('id'));
                        continue;
                }

// File complete?
                $complete = $node->getAttribute('complete');
                $requiredFile->complete = $complete;
                $requiredFile->save();

// If this item is a 0 then set not complete
                if ($complete == 0)
                    $mediaInventoryComplete = 2;
            }
            catch (NotFoundException $e) {
                $this->getLog()->error('Unable to find file in media inventory: ' . $node->getAttribute('type') . '. ' . $node->getAttribute('id'));
            }
        }

$this->display->mediaInventoryStatus = $mediaInventoryComplete;

// Only call save if this property has actually changed.
        if ($this->display->hasPropertyChanged('mediaInventoryStatus')) {
            $this->getLog()->debug('Media Inventory status changed to ' . $this->display->mediaInventoryStatus);

// If we are complete, then drop the player nonce cache
            if ($this->display->mediaInventoryStatus == 1) {
                $this->getLog()->debug('Media Inventory tells us that all downloads are complete, clearing the nonce for this display');
                $this->pool->deleteItem('/display/nonce/' . $this->display->displayId);
            }

$this->display->saveMediaInventoryStatus();
        }

$this->logBandwidth($this->display->displayId, Bandwidth::$MEDIAINVENTORY, strlen($inventory));

return true;
    }

/**
     * @param $serverKey
     * @param $hardwareKey
     * @param $layoutId
     * @param $regionId
     * @param $mediaId
     * @return mixed
     * @throws \SoapFault
     */
    protected function doGetResource($serverKey, $hardwareKey, $layoutId, $regionId, $mediaId)
    {
        $this->logProcessor->setRoute('GetResource');

// Sanitize
        $serverKey = $this->getSanitizer()->string($serverKey);
        $hardwareKey = $this->getSanitizer()->string($hardwareKey);
        $layoutId = $this->getSanitizer()->int($layoutId);
        $regionId = $this->getSanitizer()->string($regionId);
        $mediaId = $this->getSanitizer()->string($mediaId);

// Make sure we are sticking to our bandwidth limit
        if (!$this->checkBandwidth())
            throw new \SoapFault('Receiver', "Bandwidth Limit exceeded");

// Auth this request...
        if (!$this->authDisplay($hardwareKey))
            throw new \SoapFault('Receiver', "This display client is not licensed");

// The MediaId is actually the widgetId
        try {
            $requiredFile = $this->requiredFileFactory->getByDisplayAndWidget($this->display->displayId, $mediaId);

$module = $this->moduleFactory->createWithWidget($this->widgetFactory->loadByWidgetId($mediaId), $this->regionFactory->getById($regionId));
            $resource = $module->getResourceOrCache($this->display->displayId, $this->regionFactory->getById($regionId));

$requiredFile->bytesRequested = $requiredFile->bytesRequested + strlen($resource);
            $requiredFile->save();

if ($resource == '')
                throw new ControllerNotImplemented();
        }
        catch (NotFoundException $notEx) {
            throw new \SoapFault('Receiver', 'Requested an invalid file.');
        }
        catch (\Exception $e) {
            $this->getLog()->error('Unknown error during getResource. E = ' . $e->getMessage());
            $this->getLog()->debug($e->getTraceAsString());
            throw new \SoapFault('Receiver', 'Unable to get the media resource');
        }

// Log Bandwidth
        $this->logBandwidth($this->display->displayId, Bandwidth::$GETRESOURCE, strlen($resource));

return $resource;
    }

/**
     * PHONE_HOME if required
     */
    protected function phoneHome()
    {
        if ($this->getConfig()->GetSetting('PHONE_HOME') == 'On') {
            // Find out when we last PHONED_HOME :D
            // If it's been > 28 days since last PHONE_HOME then
            if ($this->getConfig()->GetSetting('PHONE_HOME_DATE') < (time() - (60 * 60 * 24 * 28))) {

try {
                    $dbh = $this->getStore()->getConnection();

// Retrieve number of displays
                    $sth = $dbh->prepare('SELECT COUNT(*) AS Cnt FROM `display` WHERE `licensed` = 1');
                    $sth->execute();

$PHONE_HOME_CLIENTS = $sth->fetchColumn();

// Retrieve version number
                    $PHONE_HOME_VERSION = $this->getConfig()->Version('app_ver');

$PHONE_HOME_URL = $this->getConfig()->GetSetting('PHONE_HOME_URL') . "?id=" . urlencode($this->getConfig()->GetSetting('PHONE_HOME_KEY')) . "&version=" . urlencode($PHONE_HOME_VERSION) . "&numClients=" . urlencode($PHONE_HOME_CLIENTS);

if ($this->display->isAuditing())
                        $this->getLog()->notice("audit", "PHONE_HOME_URL " . $PHONE_HOME_URL, "xmds", "RequiredFiles");

// Set PHONE_HOME_TIME to NOW.
                    $sth = $dbh->prepare('UPDATE `setting` SET `value` = :time WHERE `setting`.`setting` = :setting LIMIT 1');
                    $sth->execute(array(
                        'time' => time(),
                        'setting' => 'PHONE_HOME_DATE'
                    ));

@file_get_contents($PHONE_HOME_URL);

if ($this->display->isAuditing())
                        $this->getLog()->notice("audit", "PHONE_HOME [OUT]", "xmds", "RequiredFiles");

} catch (\Exception $e) {

$this->getLog()->error($e->getMessage());

return false;
                }
            }
        }
    }

/**
     * Authenticates the display
     * @param string $hardwareKey
     * @return bool
     */
    protected function authDisplay($hardwareKey)
    {
        try {
            $this->display = $this->displayFactory->getByLicence($hardwareKey);

if ($this->display->licensed != 1)
                return false;

// Configure our log processor
            $this->logProcessor->setDisplay($this->display->displayId, ($this->display->isAuditing()));

return true;

} catch (NotFoundException $e) {
            $this->getLog()->error($e->getMessage());
            return false;
        }
    }

/**
     * Alert Display Up
     * @throws \phpmailerException
     */
    protected function alertDisplayUp()
    {
        $maintenanceEnabled = $this->getConfig()->GetSetting('MAINTENANCE_ENABLED');

if ($this->display->loggedIn == 0) {

$this->getLog()->info('Display %s was down, now its up.', $this->display->display);

// Log display up
            $this->displayEventFactory->createEmpty()->displayUp($this->display->displayId);

// Do we need to email?
            if ($this->display->emailAlert == 1 && ($maintenanceEnabled == 'On' || $maintenanceEnabled == 'Protected')
                && $this->getConfig()->GetSetting('MAINTENANCE_EMAIL_ALERTS') == 'On') {

$subject = sprintf(__("Recovery for Display %s"), $this->display->display);
                $body = sprintf(__("Display %s with ID %d is now back online."), $this->display->display, $this->display->displayId);

// Create a notification assigned to system wide user groups
                try {
                    $notification = $this->notificationFactory->createSystemNotification($subject, $body, $this->getDate()->parse());

// Add in any displayNotificationGroups, with permissions
                    foreach ($this->userGroupFactory->getDisplayNotificationGroups($this->display->displayGroupId) as $group) {
                        $notification->assignUserGroup($group);
                    }

$notification->save();

} catch (\Exception $e) {
                    $this->getLog()->error('Unable to send email alert for display %s with subject %s and body %s', $this->display->display, $subject, $body);
                }
            } else {
                $this->getLog()->debug('No email required. Email Alert: %d, Enabled: %s, Email Enabled: %s.', $this->display->emailAlert, $maintenanceEnabled, $this->getConfig()->GetSetting('MAINTENANCE_EMAIL_ALERTS'));
            }
        }
    }

/**
     * Get the Client IP Address
     * @return string
     */
    protected function getIp()
    {
        $clientIp = '';

$keys = array('X_FORWARDED_FOR', 'HTTP_X_FORWARDED_FOR', 'CLIENT_IP', 'REMOTE_ADDR');
        foreach ($keys as $key) {
            if (isset($_SERVER[$key])) {
                $clientIp = $_SERVER[$key];
                break;
            }
        }

return $clientIp;
    }

/**
     * Check we haven't exceeded the bandwidth limits
     *  - Note, display logging doesn't work in here, this is CMS level logging
     */
    protected function checkBandwidth()
    {
        // Uncomment to enable auditing.
        //$this->logProcessor->setDisplay(0, true);

$xmdsLimit = $this->getConfig()->GetSetting('MONTHLY_XMDS_TRANSFER_LIMIT_KB');

if ($xmdsLimit <= 0)
            return true;

try {
            $dbh = $this->getStore()->getConnection();

// Test bandwidth for the current month
            $sth = $dbh->prepare('SELECT IFNULL(SUM(Size), 0) AS BandwidthUsage FROM `bandwidth` WHERE Month = :month');
            $sth->execute(array(
                'month' => strtotime(date('m') . '/02/' . date('Y') . ' 00:00:00')
            ));

$bandwidthUsageBytes = $sth->fetchColumn(0);
            $bandwidthUsage = ($bandwidthUsageBytes >= ($xmdsLimit * 1024)) ? false : true;

$this->getLog()->debug('Checking bandwidth usage against allowance: ' . ByteFormatter::format($xmdsLimit * 1024) . '. ' . ByteFormatter::format($bandwidthUsageBytes));

if (!$bandwidthUsage) {
                // Create a notification if we don't already have one today for this display.
                $subject = __('Bandwidth allowance exceeded');
                $date = $this->dateService->parse();

if (count($this->notificationFactory->getBySubjectAndDate($subject, $this->dateService->getLocalDate($date->startOfDay(), 'U'), $this->dateService->getLocalDate($date->addDay(1)->startOfDay(), 'U'))) <= 0) {

$body = __(sprintf('Bandwidth allowance of %s exceeded. Used %s', ByteFormatter::format($xmdsLimit * 1024), ByteFormatter::format($bandwidthUsageBytes)));

$notification = $this->notificationFactory->createSystemNotification(
                        $subject,
                        $body,
                        $this->dateService->parse()
                    );

$notification->save();

$this->getLog()->critical($subject);
                }
            }

return $bandwidthUsage;

} catch (\Exception $e) {
            $this->getLog()->error($e->getMessage());
            return false;
        }
    }

/**
     * Log Bandwidth Usage
     * @param <type> $displayId
     * @param <type> $type
     * @param <type> $sizeInBytes
     */
    protected function logBandwidth($displayId, $type, $sizeInBytes)
    {
        $this->bandwidthFactory->createAndSave($type, $displayId, $sizeInBytes);
    }

/**
     * Generate a file download path for HTTP downloads, taking into account the precence of a CDN.
     * @param $type
     * @param $itemId
     * @param $nonce
     * @return string
     */
    protected function generateRequiredFileDownloadPath($type, $itemId, $nonce)
    {
        $saveAsPath = Wsdl::getRoot() . '?file=' . $nonce . '&displayId=' . $this->display->displayId . '&type=' . $type . '&itemId=' . $itemId;
        // CDN?
        $cdnUrl = $this->configService->GetSetting('CDN_URL');
        if ($cdnUrl != '') {
            // Serve a link to the CDN
            return 'http' . (
                (
                    (isset($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) == 'on') ||
                    (isset($_SERVER['HTTP_X_FORWARDED_PROTO']) && strtolower($_SERVER['HTTP_X_FORWARDED_PROTO']) == 'https')
                ) ? 's' : '')
                . '://' . $cdnUrl . urlencode($saveAsPath);
        } else {
            // Serve a HTTP link to XMDS
            return $saveAsPath;
        }
    }
}