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148 lines
3.9 KiB
148 lines
3.9 KiB
<?php
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namespace p3k;
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use Config;
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use DateTime, DateTimeZone;
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class Weather {
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public static function weather_for_location($lat, $lng, $key) {
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if($key == 'XXX') {
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return ['error' => 'Please provide an api key from openweathermap.org'];
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}
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$data = self::_fetch($lat, $lng, $key);
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if(!$data) return null;
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if(!property_exists($data, 'current'))
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return null;
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$weather = [
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'description' => null,
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'icon' => [
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'name' => null
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],
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'temp' => null,
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'feelslike' => null,
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'humidity' => null,
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'wind' => null,
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'pressure' => null,
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'precip_today' => null,
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'timezone' => [
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'offset' => null,
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'name' => null,
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'abbr' => null
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]
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];
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$sunny = self::_sunny($data->lat, $data->lon);
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$icon_name = self::_icon_name($data->current->weather[0]->id);
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$weather['sun'] = $sunny;
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$weather['description'] = $data->current->weather[0]->description;
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$weather['icon']['name'] = $icon_name;
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$weather['temp'] = [
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'num' => (double)$data->current->temp,
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'unit' => '°F'
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];
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$weather['feelslike'] = [
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'num' => (double)$data->current->feels_like,
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'unit' => '°F'
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];
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$weather['wind'] = [
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'num' => $data->current->wind_speed,
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'unit' => 'mph'
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];
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$weather['pressure'] = [
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'num' => (int)$data->current->pressure,
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'unit' => 'mb'
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];
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$weather['humidity'] = [
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'num' => round($data->current->humidity),
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'unit' => '%'
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];
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$weather['timezone']['name'] = $data->timezone;
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$weather['timezone']['offset'] = $data->timezone_offset;
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#$weather['raw'] = $current;
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return $weather;
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}
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private static function _fetch($lat, $lng, $key) {
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$params = [
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'units' => 'imperial',
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'lat' => $lat,
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'lon' => $lng,
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'appid' => $key,
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'exclude' => 'minutely,hourly,daily,alerts'
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];
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$ch = curl_init();
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curl_setopt($ch, CURLOPT_URL, 'https://api.openweathermap.org/data/3.0/onecall?'.http_build_query($params));
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
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// curl_setopt($ch, CURLOPT_USERAGENT, '');
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curl_setopt($ch, CURLOPT_TIMEOUT, 5);
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$result = curl_exec($ch);
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if($result == FALSE)
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return FALSE;
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return json_decode($result);
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}
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// Returns "day" or "night" depending on whether the sun is up at the given location
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private static function _sunny($lat, $lng, $timezone=null) {
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// Get the beginning of the current day
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$now = new DateTime();
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if(!$timezone) {
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$timezone = \p3k\Timezone::timezone_for_location($lat, $lng);
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}
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$tz = new DateTimeZone($timezone);
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$now->setTimeZone($tz);
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$offset = $now->format('Z')/3600;
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$now = $now->format('H') + ($now->format('i')/60);
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$sunrise = date_sunrise($now, SUNFUNCS_RET_DOUBLE, $lat, $lng, 90, $offset);
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$sunset = date_sunset($now, SUNFUNCS_RET_DOUBLE, $lat, $lng, 90, $offset);
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return [
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'sunrise' => round($sunrise,2),
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'sunset' => round($sunset,2),
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'now' => round($now,2),
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'light' => ($sunrise < $now && $now < $sunset) ? 'day' : 'night',
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'timezone' => $timezone,
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];
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}
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private static function _icon_name($icon) {
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return 'wi-owm-'.$icon;
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/*
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// A mapping of darksky to weather-icons is here https://erikflowers.github.io/weather-icons/api-list.html
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$map = [
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'clear-day' => 'day-sunny',
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'clear-night' => 'night-clear',
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'rain' => 'rain',
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'snow' => 'snow',
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'sleet' => 'sleet',
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'wind' => 'strong-wind',
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'fog' => 'day-haze',
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'cloudy' => 'cloudy',
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'partly-cloudy-day' => 'day-cloudy',
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'partly-cloudy-night' => 'night-cloudy',
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'hail' => 'day-hail',
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'thunderstorm' => 'thunderstorm',
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'tornado' => 'tornado',
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];
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if(array_key_exists($icon, $map)) {
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return 'wi-'.$map[$icon];
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} else {
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return false;
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}
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*/
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}
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}
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