131 lines
4.0 KiB
PHP
131 lines
4.0 KiB
PHP
<?php
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class PacketPathRepository extends ModelRepository
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{
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private static $_singletonInstance = null;
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public function __construct()
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{
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parent::__construct('PacketPath');
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}
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/**
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* Returnes an initiated PacketPathRepository
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*
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* @return PacketPathRepository
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*/
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public static function getInstance()
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{
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if (self::$_singletonInstance === null) {
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self::$_singletonInstance = new PacketPathRepository();
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}
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return self::$_singletonInstance;
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}
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/**
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* Get object by id
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*
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* @param int $id
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* @return PacketPath
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*/
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public function getObjectById($id)
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{
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if (!isInt($packetId)) {
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return new PacketPath(0);
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}
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return $this->getObjectFromSql('select * from packet_path where id = ?', [$id]);
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}
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/**
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* Get object by packet id
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*
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* @param int $id
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* @return PacketPath
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*/
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public function getObjectListByPacketId($id)
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{
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if (!isInt($id)) {
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return [];
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}
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return $this->getObjectListFromSql('select * from packet_path where packet_id = ?', [$id]);
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}
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/**
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* Get packet path statistics for sending station
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*
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* @param int $stationId
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* @param int $minTimestamp
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* @return array
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*/
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public function getSenderPacketPathSatistics($stationId, $minTimestamp = null)
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{
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if (!isInt($stationId)) {
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return [];
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}
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if ($minTimestamp == null || !isInt($minTimestamp)) {
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$minTimestamp = time() - (60*60*24*10); // Default to 10 days
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}
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$sql = 'select station_id, count(*) number_of_packets, max(timestamp) latest_timestamp, max(distance) longest_distance from packet_path where sending_station_id = ? and timestamp > ? and number = 0 and station_id != sending_station_id group by station_id order by max(timestamp) desc';
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$args = [$stationId, $minTimestamp];
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$pdo = PDOConnection::getInstance();
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$stmt = $pdo->prepareAndExec($sql, $args);
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return $stmt->fetchAll(PDO::FETCH_ASSOC);
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}
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/**
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* Get packet path statistics for receiving station
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*
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* @param int $stationId
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* @param int $minTimestamp
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* @return array
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*/
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public function getReceiverPacketPathSatistics($stationId, $minTimestamp = null)
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{
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if (!isInt($stationId)) {
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return [];
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}
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if ($minTimestamp == null || !isInt($minTimestamp)) {
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$minTimestamp = time() - (60*60*24*10); // Default to 10 days
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}
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$sql = 'select sending_station_id station_id, count(*) number_of_packets, max(timestamp) latest_timestamp, max(distance) longest_distance from packet_path where station_id = ? and timestamp > ? and number = 0 and station_id != sending_station_id group by sending_station_id order by max(timestamp) desc';
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$args = [$stationId, $minTimestamp];
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$pdo = PDOConnection::getInstance();
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$stmt = $pdo->prepareAndExec($sql, $args);
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return $stmt->fetchAll(PDO::FETCH_ASSOC);
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}
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/**
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* Get latest data list by receiving station id
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*
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* @param int $stationId
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* @param int $hours
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* @param int $limit
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* @return array
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*/
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public function getLatestDataListByReceivingStationId($stationId, $hours, $limit)
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{
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if (!isInt($stationId) || !isInt($hours)) {
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return [];
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}
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$minTimestamp = time() - (60*60*$hours);
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$sql = 'select pp.*
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from packet_path pp
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where pp.station_id = ?
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and pp.timestamp >= ?
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and pp.number = 0
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and pp.sending_latitude is not null
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and pp.sending_longitude is not null
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order by pp.timestamp
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limit ?';
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$arg = [$stationId, $minTimestamp, $limit];
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$pdo = PDOConnection::getInstance();
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$stmt = $pdo->prepareAndExec($sql, $arg);
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return $stmt->fetchAll(PDO::FETCH_ASSOC);
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}
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}
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