feed class

2019-02-28 22:29:09 +01:00
parent 70489bd680
commit 2edba945c9
5 changed files with 142 additions and 114 deletions
--- a/inc/feed.php
+++ b/inc/feed.php
@@ -0,0 +1,113 @@
+<?php
+
+class Feed extends PhpObject {
+	
+	//Spot feed
+	const FEED_HOOK = 'https://api.findmespot.com/spot-main-web/consumer/rest-api/2.0/public/feed/';
+	const FEED_TYPE_XML = '/message.xml';
+	const FEED_TYPE_JSON = '/message.json';
+	
+	//DB Tables
+	const SPOT_TABLE = 'spots';
+	const FEED_TABLE = 'feeds';
+	const MSG_TABLE = 'messages';
+	
+	/**
+	 * Database Handle
+	 * @var Db
+	 */
+	private $oDb;
+	
+	private $iFeedId;
+	private $sRefFeedId;
+	
+	private $iLastUpdate;
+	
+	public function __construct(Db &$oDb, $iFeedId) {
+		parent::__construct(__CLASS__, Settings::DEBUG);
+		$this->oDb = &$oDb;
+		$this->setFeedId($iFeedId);
+	}
+	
+	public function setFeedId($iFeedId) {
+		$this->iFeedId = $iFeedId;
+		$asFeed = $this->oDb->selectRow(self::FEED_TABLE, $this->iFeedId);
+		$this->sRefFeedId = $asFeed['ref_feed_id'];
+		$this->iLastUpdate = strtotime($asFeed['last_update']);
+	}
+	
+	public function getMessages($asActivePeriod = array()) {
+		$asInfo = array(
+			'select'	=> array('id_message', 'ref_msg_id', 'type', 'latitude', 'longitude', 'site_time', 'unix_time'),
+			'from'		=> self::MSG_TABLE,
+			'constraint'=> array(Db::getId(self::FEED_TABLE) => $this->iFeedId),
+			'constOpe'	=> array(Db::getId(self::FEED_TABLE) => "="),
+			'orderBy'	=> array('site_time'=>'ASC')
+		);
+		
+		if(!empty($asActivePeriod)) {
+			$asInfo['constraint']['site_time'] = $asActivePeriod;
+			$asInfo['constOpe']['site_time'] = "BETWEEN";
+		}
+
+		return $this->oDb->selectRows($asInfo);
+	}
+	
+	public function checkUpdateFeed($sProjectMode) {
+		//Feed updated once a day in Blog Mode
+		if($sProjectMode == Project::MODE_BLOG && date('Y-m-d', $this->iLastUpdate) != date('Y-m-d')) $this->updateFeed();
+	}
+	
+	private function updateFeed() {
+		$asData = $this->retrieveFeed();
+		$asMsgs = $asData['response']['feedMessageResponse']['messages'];
+		$asFeed = $asData['response']['feedMessageResponse']['feed'];
+		
+		if(!empty($asMsgs))
+		{
+			//Update Spot Info
+			$asFirstMsg = array_values($asMsgs)[0];
+			$asSpotInfo = array(
+				'ref_spot_id'	=> $asFirstMsg['messengerId'],
+				'name'			=> $asFirstMsg['messengerName'],
+				'model'			=> $asFirstMsg['modelId']
+			);
+			$iSpotId = $this->oDb->insertUpdateRow(self::SPOT_TABLE, $asSpotInfo, array('ref_spot_id'));
+			
+			//Update Feed Info and last update date
+			$asFeedInfo = array(
+				'ref_feed_id'					=> $asFeed['id'],
+				Db::getId(self::SPOT_TABLE)		=> $iSpotId,
+				'name'							=> $asFeed['name'],
+				'description'					=> $asFeed['description'],
+				'status'						=> $asFeed['status'],
+				'last_update'					=> date(Db::TIMESTAMP_FORMAT)
+			);
+			$iFeedId = $this->oDb->insertUpdateRow(self::FEED_TABLE, $asFeedInfo, array('ref_feed_id'));
+			
+			//Update Messages
+			foreach($asMsgs as $asMsg)
+			{
+				$asMsg = array(
+					'ref_msg_id'				=> $asMsg['id'],
+					Db::getId(self::FEED_TABLE)	=> $iFeedId,
+					'type'						=> $asMsg['messageType'],
+					'latitude'					=> $asMsg['latitude'],
+					'longitude'					=> $asMsg['longitude'],
+					'iso_time'					=> $asMsg['dateTime'],								//ISO 8601 time (backup)
+					'site_time'					=> date(Db::TIMESTAMP_FORMAT, $asMsg['unixTime']),	//Conversion to Site Time (see Settings::TIMEZONE)
+					'unix_time'					=> $asMsg['unixTime'], 								//UNIX Time (backup)
+					'content'					=> $asMsg['messageContent'],
+					'battery_state'				=> $asMsg['batteryState']
+				);
+				$this->oDb->insertUpdateRow(self::MSG_TABLE, $asMsg, array('ref_msg_id'));
+			}
+		}
+	}
+	
+	private function retrieveFeed() {
+		$sUrl = self::FEED_HOOK.$this->sRefFeedId.self::FEED_TYPE_JSON;
+		$sContent = file_get_contents($sUrl);
+		return json_decode($sContent, true);
+	}
+}