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DataHandler.php
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DataHandler.php
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<?php
namespace VATSIM;
require( "DataObject.php" );
class DataHandler{
private $dataServers = array();
private $vatsim_data_lines = array();
public $lastUpdate = 0;
private $storageLocation = null;
function __construct( $storageLocation = null ){
$this->storageLocation = $storageLocation == null ? dirname(__FILE__) : $storageLocation;
if( $this->shouldUpdateData() ){ $this->updateData(); }
$this->vatsim_data_lines = explode( "\n", file_get_contents( $this->storageLocation . "/vatsim-data.txt" ) );
}
function shouldUpdateData(){
if( !file_exists( "vatsim-data.txt" ) ){ return true; }
$vatsim_data = file_get_contents( $this->storageLocation . "/vatsim-data.txt" );
foreach( explode( "\n", $vatsim_data ) as $line ){
if( preg_match( "/UPDATE = /", $line ) ){
$date = explode( "UPDATE = ", $line )[ 1 ];
$year = substr( $date, 0, 4 );
$month = substr( $date, 4, 2 );
$day = substr( $date, 6, 2 );
$time = substr( $date, 8, 2 ) . ":" . substr( $date, 10, 2 ) . ":" . substr( $date, 12, 2 );
$this->lastUpdate = strtotime( "$day-$month-$year $time" );
return $this->lastUpdate + 120 < time();
}
}
return true;
}
function updateData(){
$status = file_get_contents( "https://status.vatsim.net/status.php" );
foreach( explode( "\n", $status ) as $line ){
if( preg_match( "/url0=/", $line ) ){
array_push( $this->dataServers, trim( explode( "url0=", $line )[ 1 ] ) );
}
}
$vatsim_data = file_get_contents( $this->dataServers[ array_rand( $this->dataServers ) ] );
file_put_contents( dirname(__FILE__) . "/vatsim-data.txt", $vatsim_data );
}
function getSection( $heading_searchFor, $section_searchFor ){
$return = array();
$heading = array();
$haveSection = false;
foreach( $this->vatsim_data_lines as $rownum=>$line ){
if( $line == "\n" || $line == "\r" ){ continue; }
if( !$haveSection ){
if( preg_match( "/$heading_searchFor/", $line ) ){
$heading = explode( ":", explode( $heading_searchFor, $line )[ 1 ] );
array_pop( $heading );
}
$haveSection = preg_match( "/$section_searchFor/", $line );
} else {
if( $line == ";\r" ){ break; }
$curLine = explode( ":", $line );
$data = array();
foreach( $heading as $headingNum => $headingTitle ){
$data[ $headingTitle ] = $curLine[ $headingNum ];
}
array_push( $return, new DataObject( $data ) );
}
}
return $return;
}
function searchFor( $functionName, $searchRegex, $searchField ){
if( !method_exists( $this, $functionName ) ){
throw new Exception( "Invalid Function Provided!" );
return array();
}
return array_filter( $this->{$functionName}(), function( $dataObject ) use ( $searchRegex, $searchField ) {
return isset( $dataObject->{$searchField} ) ? preg_match( $searchRegex, $dataObject->{$searchField} ) : false;
} );
}
function getClients(){
return $this->getSection( "; !CLIENTS section - ", "!CLIENTS:" );
}
function getPrefiled(){
return $this->getSection( "; !PREFILE section - ", "!PREFILE:" );
}
function getVoiceServers(){
return $this->getSection( "; !VOICE SERVERS section - ", "!VOICE SERVERS:" );
}
function getAirTraffic(){
return array_filter( $this->getClients(), function( $dataObject ){
return $dataObject->clienttype == "ATC" && !preg_match( "/(VAT|ACC|PTD|ATD)[a-z]{2,4}[0-9]{1,2}|[a-z]{2,4}(_SUP|_OBS)|VATSIM[0-9]{1,2}/i", $dataObject->callsign )
&& $dataObject->rating != 1;
} );
}
function getObservers(){
return array_filter( $this->getClients(), function( $dataObject ){
return $dataObject->clienttype == "ATC" && preg_match( "/(VAT|ACC|PTD|ATD)[a-z]{2,4}[0-9]{1,2}|[a-z]{2,4}(_SUP|_OBS)|VATSIM[0-9]{1,2}/i", $dataObject->callsign );
} );
}
function getStaff(){
return array_filter( $this->getClients(), function( $dataObject ){
return $dataObject->clienttype == "ATC" && preg_match( "/(VAT|ACC|PTD|ATD)[a-z]{2,4}[0-9]{1,2}|[a-z]{2,4}_SUP|VATSIM[0-9]{1,2}/i", $dataObject->callsign );
} );
}
function getSupervisors(){
return $this->searchFor( "getClients", "/(11|12)/", "rating" );
}
function getPilots(){
return $this->searchFor( "getClients", "/PILOT/", "clienttype" );
}
}