[Phphtmllib-devel] SF.net SVN: phphtmllib:[3518] trunk/open2300/lib/modules/api/ AviationWeather.in
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[Phphtmllib-devel] SF.net SVN: phphtmllib:[3518] trunk/open2300/lib/modules/api/ AviationWeather.inc
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From: <he...@us...> - 2010-06-26 00:18:05
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Revision: 3518
http://phphtmllib.svn.sourceforge.net/phphtmllib/?rev=3518&view=rev
Author: hemna
Date: 2010-06-26 00:17:58 +0000 (Sat, 26 Jun 2010)
Log Message:
-----------
stuff
Modified Paths:
--------------
trunk/open2300/lib/modules/api/AviationWeather.inc
Modified: trunk/open2300/lib/modules/api/AviationWeather.inc
===================================================================
--- trunk/open2300/lib/modules/api/AviationWeather.inc 2010-06-21 21:16:01 UTC (rev 3517)
+++ trunk/open2300/lib/modules/api/AviationWeather.inc 2010-06-26 00:17:58 UTC (rev 3518)
@@ -53,22 +53,24 @@
public function process_airport($icao) {
-
+ $icao = strtoupper($icao);
+
$cache_key = "METAR_".$icao;
$info = $this->cache->get($cache_key);
- if ($info && false) {
+ if ($info) {
$wxInfo = $info;
return $wxInfo;
}
- $wxInfo = array("icao" => strtoupper($icao));
+ $airport = $this->cache->get($icao);
+
+ $wxInfo = array("icao" => $icao);
$metar = $this->get_metar($icao, $wxInfo);
if ($metar != null && strlen($metar) > 0) {
$this->process_metar($metar, $wxInfo);
$wxInfo["metar"] = $metar;
- $airport = $this->cache->get($icao);
if ($airport != null) {
$wxInfo["runways"] = $this->get_runways($airport, $wxInfo);
$wxInfo["altitude"] = $airport["elevation"];
@@ -86,6 +88,32 @@
//now do Pressure Altitude and Density Altitude
$wxInfo["PressureAltitude"] = $this->pressure_altitude($wxInfo["BaroHPA"], $wxInfo["altitude"]);
}
+
+ if (is_null($wxInfo["images"]) || !isset($wxInfo["images"])) {
+ $images = $this->do_images($icao);
+ if ($images) {
+ $wxInfo["images"] = $images;
+ }
+ }
+
+ if (!isset($airport["taf"]) || $airport["taf"] == 1) {
+ $taf = $this->get_taf($icao);
+
+ if (is_null($taf)) {
+ //if we couldn't find the TAF
+ //no reason to try again.
+ //not many airports have taf reports
+ $airport["taf"] = 0;
+ } else {
+ $airport["taf"] = 1;
+ $wxInfo["taf"] = $taf;
+ }
+
+ //we changed settings, save them to the cache.
+ $this->cache->set($icao,$airport);
+ }
+
+
//$this->metars[] = $wxInfo;
//need to combine this info w/ the airport data cache.
}
@@ -185,6 +213,39 @@
return $metar;
}
+ public function get_taf($station) {
+
+ // This function retrieves TAF information for a given station from the
+ // National Weather Service. It assumes that the station exists.
+ // A slower URL is "ftp://weather.noaa.gov/data/forecasts/taf/stations/$station.TXT"
+ $fileName = "http://weather.noaa.gov/pub/data/forecasts/taf/stations/$station.TXT";
+ $taf = '';
+
+
+ $proxy = $GLOBALS["config"]->get("proxy");
+ if (!empty($proxy)) {
+ $context = stream_context_create(array("http" => array("proxy" => "tcp://".$proxy)));
+ } else {
+ $context = null;
+ }
+
+ $fileData = @file($fileName, 0, $context); // or die('Data not available');
+ if ($fileData != false) {
+ list($i, $date) = each($fileData);
+ $utc = strtotime(trim($date));
+ $this->set_time_data($utc,$wxInfo);
+ while (list($i, $line) = each($fileData)) {
+ //$taf .= ' ' . trim($line);
+ $taf .= ' ' . $line;
+ }
+ $taf = trim(str_replace(' ', ' ', $taf));
+ return $taf;
+ } else {
+ return null;
+ }
+
+ }
+
protected function set_time_data($utc, &$wxInfo) {
// This function formats observation time in the local time zone of server, the
// current local time on server, and time difference since observation. $utc is a
@@ -649,7 +710,90 @@
-
+ protected function do_images($icao) {
+ $airport_images = array();
+ $airportdiagram = "";
+
+ //first lets see if we can find some airport images.
+ $flyagogo_url = 'http://flyagogo.net/uploads/';
+
+ for ($x=1; $x<=3; $x++) {
+ $result = $this->http_head_curl($flyagogo_url.$icao."/".$x.".jpg");
+ if ($result !== false && $result["http_code"] == 200) {
+ $airport_images[] = $result["url"];
+ } else {
+ //if n doesn't work then n+1 won't either
+ break;
+ }
+ }
+
+ //lets see if we can snag an airport diagram
+ $page = $this->http_get_curl("http://airnav.com/airport/".$icao);
+ if ($page !== false) {
+ //first snag the airport image itself.
+ $str = strstr($page,"http://img.airnav.com/ap/");
+ if ($str) {
+ $image_url = substr($str,0,strpos($str, '"'));
+ $airport_images[] = $image_url;
+ }
+
+
+ //now the airport diagram.
+ $str = strstr($page,"http://img.airnav.com/aptdiag");
+ if ($str) {
+ $airportdiagram = substr($str,0,strpos($str, '"'));
+ }
+ }
+
+
+ $images = array("images" => $airport_images, "diagram" => $airportdiagram);
+ return $images;
+ }
+
+ /**
+ * @return boolean false on error, content otherwise
+ * @param string $url
+ * @desc makes a HEAD request using cURL
+ * @author Svetoslav Marinov
+ * @link http://devquickref.com/
+ */
+ function http_head_curl($url) {
+ if (!extension_loaded('curl_init') || !function_exists('curl_init')) {
+ $ch = curl_init();
+ curl_setopt($ch, CURLOPT_URL, $url);
+ curl_setopt($ch, CURLOPT_TIMEOUT, 30); // times out after 30s
+ curl_setopt($ch, CURLOPT_HEADER, 1);
+ curl_setopt($ch, CURLOPT_NOBODY, 1);
+ curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
+ curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
+ $result = curl_exec($ch);
+ $info = curl_getinfo($ch);
+ curl_close($ch);
+ return $info;
+ }
+ return false;
+ }
+
+
+ function http_get_curl($url) {
+ if (!extension_loaded('curl_init') || !function_exists('curl_init')) {
+ $ch = curl_init();
+ curl_setopt($ch, CURLOPT_URL, $url);
+ curl_setopt($ch, CURLOPT_TIMEOUT, 30); // times out after 30s
+ curl_setopt($ch, CURLOPT_HEADER, 1);
+ curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
+ curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+ $result = curl_exec($ch);
+ $info = curl_getinfo($ch);
+ curl_close($ch);
+ if ($info["http_code"] == 200) {
+ return $result;
+ } else {
+ return false;
+ }
+ }
+ return false;
+ }
}
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