<?php
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class api_yrno_parse {
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protected $xml;
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protected $dane;
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public static $symbols = array(
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1 => 'Słonecznie',
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2 => 'Lekkie zachmurzenie',
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3 => 'Częściowe zachmurzenie',
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4 => 'Zachmurzenie',
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5 => 'Lekki deszcz z przejaśnieniami',
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6 => 'Lekki deszcz i burze',
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7 => 'Lekki deszcz ze śniegiem',
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8 => 'Śnieg',
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9 => 'Lekki deszcz',
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10 => 'Deszcz',
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11 => 'Burze z deszczem',
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12 => 'Deszcz ze śniegiem',
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13 => 'Śnieg',
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14 => 'Burze ze śniegiem',
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15 => 'Mgły',
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16 => 1,
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17 => 2,
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18 => 5,
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19 => 8,
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20 => 'Deszcz ze śniegiem, burze, możliwe przejaśnienia',
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21 => 'Burze ze śniegiem, możliwe przejaśnienia',
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22 => 'Lekki deszcz i burze',
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23 => 'Deszcz ze śniegiem, burze'
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);
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public static $wind = array(
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'N' => 'północny',
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'NW' => 'północno-zachodni',
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'W' => 'zachodni',
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'SW' => 'południowo-zachodni',
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'S' => 'południowy',
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'SE' => 'południowo-wschodni',
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'E' => 'wschodni',
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'NE' => 'północno-wschodni',
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);
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public static function wind($dir) {
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if(isset(self::$wind[$dir])) {
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return self::$wind[$dir];
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}
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else
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{
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return '';
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}
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}
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public function __construct($xml) {
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libxml_use_internal_errors();
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$this->xml = simplexml_load_string($xml);
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libxml_clear_errors();
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if(!$this->xml) {
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throw new Exception('Niepoprawny format danych meteorologicznych!');
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}
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}
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public function mktime($time) {
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return strtotime(substr($time, 0, -1));
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}
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public function parseForecast() {
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$this->dane = array(
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'0h' => array(),
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'3h' => array(),
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'6h' => array(),
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);
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foreach($this->xml->product->time as $time) {
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$to = $this->mktime((string)$time->attributes()->to);
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$from = $this->mktime((string)$time->attributes()->from);
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$time = $time->location;
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if($to == $from) {
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$this->dane['0h'][$to] = array(
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'temp' => (string)$time->temperature->attributes()->value,
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'wind_speed' => (string)$time->windSpeed->attributes()->mps,
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'wind_dir' => (string)$time->windDirection->attributes()->name,
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'humidity' => (string)$time->humidity->attributes()->value,
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'pressure' => (string)$time->pressure->attributes()->value,
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);
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}
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elseif($to-$from > 0) {
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if($to-$from > 14400) {
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$put = '6h';
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}
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else
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{
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$put = '3h';
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}
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$icon = (int)$time->symbol->attributes()->number;
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if(is_int(self::$symbols[$icon])) {
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$icon = self::$symbols[$icon];
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}
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$this->dane[$put][$to] = array(
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'from' => $from,
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'to' => $to,
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'icon' => $icon
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);
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}
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}
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}
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public function getCurrentIcon() {
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$now = time();
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foreach($this->dane['3h'] as $value) {
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if($value['from'] <= $now && $now < $value['to']) {
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return $value['icon'];
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}
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}
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return NULL;
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}
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public function getCurrentWeather() {
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$dist = PHP_INT_MAX;
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$current = NULL;
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foreach($this->dane['0h'] as $time => $value) {
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if(abs($time - time()) < $dist) {
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$dist = abs($time - time());
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$current = $value;
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}
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else
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{
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break;
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}
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}
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return $current;
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}
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public function getDaypartWeather($timestamp) {
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$start = strtotime('6:00', $timestamp);
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$dayend = strtotime('19:30', $timestamp);
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$end = $start + 22*3600;
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$wind = $temp = array(
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'day' => array(),
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'night' => array(),
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);
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foreach($this->dane['0h'] as $time => $value) {
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$part = NULL;
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if($start <= $time && $time < $dayend) {
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$part = 'day';
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}
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elseif($dayend < $time && $time <= $end) {
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$part = 'night';
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}
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elseif($end <= $time) {
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break;
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}
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if($part !== NULL) {
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if(!isset($temp[$part]['from']) || $value['temp'] < $temp[$part]['from']) {
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$temp[$part]['from'] = $value['temp'];
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}
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if(!isset($temp[$part]['to']) || $value['temp'] > $temp[$part]['to']) {
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$temp[$part]['to'] = $value['temp'];
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}
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if(!isset($wind[$part]['from']) || $value['wind_speed'] < $wind[$part]['from']) {
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$wind[$part]['from'] = $value['wind_speed'];
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}
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if(!isset($wind[$part]['to']) || $value['wind_speed'] > $wind[$part]['to']) {
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$wind[$part]['to'] = $value['wind_speed'];
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}
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}
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}
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if($temp['day'] == array() || $wind['day'] == array()) {
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unset($temp['day']);
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unset($wind['day']);
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}
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return array('temp' => $temp, 'wind' => $wind);
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}
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public function getDaypartIcon($timestamp) {
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$start = strtotime('6:00', $timestamp);
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$end = strtotime('24:00', $timestamp);
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$return = array();
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foreach($this->dane['3h'] as $time => $value) {
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if($start <= $value['from'] && $value['to'] <= $end) {
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$return[] = $value['icon'];
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}
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elseif($end <= $value['from']) {
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break;
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}
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}
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return $return;
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}
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}
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function yrno_weather($lat, $lon) {
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$down = new DownloadHelper('http://api.yr.no/weatherapi/locationforecastlts/1.2/?lat='.urlencode($lat).';lon='.urlencode($lon));
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$down->setopt(CURLOPT_USERAGENT, 'BotGG/'.main::VERSION_NUM.' WeatherModule/1.0 (http://bot.jacekk.net/weather.html)');
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try {
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$data = $down->exec();
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$data = new api_yrno_parse($data);
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$data->parseForecast();
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}
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catch(Exception $e) {
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$down->cacheFor(600);
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return FALSE;
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}
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$down->cacheFor(7200);
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return $data;
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}
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?>
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