Change file name to match class name
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221
inc/Feed.php
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221
inc/Feed.php
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<?php
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namespace Franzz\Spot;
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use Franzz\Objects\PhpObject;
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use Franzz\Objects\Db;
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use \Settings;
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/**
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* Feed Class
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* Also manages spots (devices) & messages
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*/
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class Feed extends PhpObject {
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//Spot feed
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const FEED_HOOK = 'https://api.findmespot.com/spot-main-web/consumer/rest-api/2.0/public/feed/';
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const FEED_TYPE_XML = '/message.xml';
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const FEED_TYPE_JSON = '/message.json';
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const FEED_MAX_REFRESH = 5 * 60; //Seconds
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//DB Tables
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const SPOT_TABLE = 'spots';
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const FEED_TABLE = 'feeds';
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const MSG_TABLE = 'messages';
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/**
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* Database Handle
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* @var Db
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*/
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private $oDb;
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private $iFeedId;
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private $sRefFeedId;
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private $iLastUpdate;
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public function __construct(Db &$oDb, $iFeedId=0) {
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parent::__construct(__CLASS__, Settings::DEBUG);
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$this->oDb = &$oDb;
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if($iFeedId > 0) $this->setFeedId($iFeedId);
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}
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public function getFeedId() {
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return $this->iFeedId;
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}
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public function getLastUpdate(): int {
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return $this->iLastUpdate;
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}
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public function setFeedId($iFeedId) {
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$this->iFeedId = $iFeedId;
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$asFeed = $this->getFeed();
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$this->sRefFeedId = $asFeed['ref_feed_id'];
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$this->iLastUpdate = $asFeed['last_update']=='0000-00-00 00:00:00'?0:strtotime($asFeed['last_update']);
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}
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public function createFeedId($oProjectId) {
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$this->setFeedId($this->oDb->insertRow(self::FEED_TABLE, array(
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Db::getId(Project::PROJ_TABLE) => $oProjectId,
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'status' => 'INACTIVE'
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)));
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return $this->getFeedId();
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}
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public function setRefFeedId($sRefFeedId) {
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return $this->updateField('ref_feed_id', $sRefFeedId);
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}
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public function setSpotId($iSpotId) {
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return $this->updateField(Db::getId(self::SPOT_TABLE), $iSpotId);
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}
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public function setProjectId($iProjectId) {
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return $this->updateField(Db::getId(Project::PROJ_TABLE), $iProjectId);
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}
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public function getSpots() {
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$asSpots = $this->oDb->selectRows(array('from'=>self::SPOT_TABLE));
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foreach($asSpots as &$asSpot) $asSpot['id'] = $asSpot[Db::getId(self::SPOT_TABLE)];
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return $asSpots;
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}
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public function getFeeds($iFeedId=0) {
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$asInfo = array('from'=>self::FEED_TABLE);
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if($iFeedId > 0) $asInfo['constraint'] = array(Db::getId(self::FEED_TABLE)=>$iFeedId);
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$asFeeds = $this->oDb->selectRows($asInfo);
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foreach($asFeeds as &$asFeed) $asFeed['id'] = $asFeed[Db::getId(self::FEED_TABLE)];
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return $asFeeds;
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}
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public function getFeed() {
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$asFeeds = $this->getFeeds($this->getFeedId());
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return array_shift($asFeeds);
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}
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public function getMessages($asActivePeriod = array()) {
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$asInfo = array(
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'select' => array('id_message', 'ref_msg_id', 'type', 'latitude', 'longitude', 'site_time', 'timezone', 'unix_time'),
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'from' => self::MSG_TABLE,
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'constraint'=> array(Db::getId(self::FEED_TABLE) => $this->getFeedId()),
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'constOpe' => array(Db::getId(self::FEED_TABLE) => "="),
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'orderBy' => array('site_time'=>'ASC')
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);
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if(!empty($asActivePeriod)) {
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$asInfo['constraint']['site_time'] = $asActivePeriod;
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$asInfo['constOpe']['site_time'] = "BETWEEN";
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}
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return $this->oDb->selectRows($asInfo);
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}
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public function checkUpdateFeed($sProjectMode) {
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$bNewMsg = false;
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//Spam Check: no more than 1 API request per 5 minutes
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if($sProjectMode == Project::MODE_BLOG) {
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$oLastUpdate = new \DateTime('@'.$this->iLastUpdate);
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$oNow = new \DateTime('now');
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$iSecDiff = $oNow->getTimestamp() - $oLastUpdate->getTimestamp();
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if($iSecDiff > self::FEED_MAX_REFRESH && !Settings::DEBUG) $bNewMsg = $this->updateFeed();
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}
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return $bNewMsg;
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}
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private function updateFeed() {
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$bNewMsg = false;
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$asData = $this->retrieveFeed();
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$sLastUpdate = date(Db::TIMESTAMP_FORMAT);
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if(!isset($asData['response']['errors']) || empty($asData['response']['errors'])) {
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$asMsgs = $asData['response']['feedMessageResponse']['messages'];
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$asFeed = $asData['response']['feedMessageResponse']['feed'];
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//Fix unstable Spot API Structure
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if(array_key_exists('message', $asMsgs)) $asMsgs = $asMsgs['message']; //Sometimes adds an extra "message" level
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if(!array_key_exists(0, $asMsgs)) $asMsgs = array($asMsgs); //Jumps a level when there is only 1 message
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//Update Spot, Feed & Messages
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if(!empty($asMsgs) && array_key_exists('messengerId', $asMsgs[0])) {
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//Update Spot Info from the first message
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$asSpotInfo = array(
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'ref_spot_id' => $asMsgs[0]['messengerId'],
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'name' => $asMsgs[0]['messengerName'],
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'model' => $asMsgs[0]['modelId']
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);
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$iSpotId = $this->oDb->insertUpdateRow(self::SPOT_TABLE, $asSpotInfo, array('ref_spot_id'));
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//Update Feed Info and last update date
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$asFeedInfo = array(
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'ref_feed_id' => $asFeed['id'],
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Db::getId(self::SPOT_TABLE) => $iSpotId,
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'name' => $asFeed['name'],
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'description' => $asFeed['description'],
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'status' => $asFeed['status'],
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'last_update' => $sLastUpdate
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);
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$iFeedId = $this->oDb->insertUpdateRow(self::FEED_TABLE, $asFeedInfo, array('ref_feed_id'));
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//Update Messages
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foreach($asMsgs as $asMsg) {
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$asMsg = array(
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'ref_msg_id' => $asMsg['id'],
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Db::getId(self::FEED_TABLE) => $iFeedId,
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'type' => $asMsg['messageType'],
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'latitude' => $asMsg['latitude'],
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'longitude' => $asMsg['longitude'],
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'iso_time' => $asMsg['dateTime'], //ISO 8601 time (backup)
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'site_time' => date(Db::TIMESTAMP_FORMAT, $asMsg['unixTime']), //Conversion to Site Time
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'timezone' => Spot::getTimeZoneFromDate($asMsg['dateTime']), //Local Time Zone
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'unix_time' => $asMsg['unixTime'], //UNIX Time (backup)
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'content' => $asMsg['messageContent'],
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'battery_state' => $asMsg['batteryState']
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);
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$iMsgId = $this->oDb->selectId(self::MSG_TABLE, array('ref_msg_id'=>$asMsg['ref_msg_id']));
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if(!$iMsgId) {
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$this->oDb->insertRow(self::MSG_TABLE, $asMsg);
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$bNewMsg = true;
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}
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else $this->oDb->updateRow(self::MSG_TABLE, $iMsgId, $asMsg);
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}
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}
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}
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else $this->oDb->updateRow(self::FEED_TABLE, $this->getFeedId(), array('last_update'=>$sLastUpdate));
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return $bNewMsg;
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}
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private function retrieveFeed() {
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$sContent = '[]';
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if($this->sRefFeedId !='') {
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$sUrl = self::FEED_HOOK.$this->sRefFeedId.self::FEED_TYPE_JSON;
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$sContent = file_get_contents($sUrl);
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}
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return json_decode($sContent, true);
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}
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private function updateField($sField, $oValue) {
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$bResult = ($this->oDb->updateRow(self::FEED_TABLE, $this->getFeedId(), array($sField=>$oValue)) > 0);
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$this->setFeedId($this->getFeedId());
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return $bResult;
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}
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public function delete() {
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$asResult = array();
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if($this->getFeedId() > 0) {
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$asResult = array(
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'id' => $this->getFeedId(),
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'del' => $this->oDb->deleteRow(self::FEED_TABLE, $this->getFeedId()),
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'desc' => $this->oDb->getLastError()
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);
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}
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else $asResult = array('del'=>false, 'desc'=>'Error while setting project: no Feed ID');
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return $asResult;
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}
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}
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