curweather caching of weather data

This commit is contained in:
Tobias Diekershoff 2015-07-13 18:45:12 +02:00
parent c3459bd66c
commit 2b1d28f05a

View File

@ -13,8 +13,17 @@ require_once('include/network.php');
include_once('include/text.php');
// get the weather data from OpenWeatherMap
function getWeather( $loc, $units='metric', $lang='en', $appid='') {
function getWeather( $loc, $units='metric', $lang='en', $appid='', $cachetime=0) {
$url = "http://api.openweathermap.org/data/2.5/weather?q=".$loc."&appid=".$appid."&lang=".$lang."&units=".$units."&mode=xml";
$cached = Cache::get('curweather'.md5($url));
$now = new DateTime();
if (!is_null($cached)) {
$cdate = get_pconfig(local_user(), 'curweather', 'last');
$cached = unserialize($cached);
if ($cdate + $cachetime > $now->getTimestamp()) {
return $cached;
}
}
try {
$res = new SimpleXMLElement(fetch_url($url));
} catch (Exception $e) {
@ -28,7 +37,7 @@ function getWeather( $loc, $units='metric', $lang='en', $appid='') {
$tunit = '°F';
$wunit = 'mph';
}
return array(
$r = array(
'city'=> (string) $res->city['name'][0],
'country' => (string) $res->city->country[0],
'lat' => (string) $res->city->coord['lat'],
@ -40,6 +49,9 @@ function getWeather( $loc, $units='metric', $lang='en', $appid='') {
'wind' => (string)$res->wind->speed['name'].' ('.(string)$res->wind->speed['value'].$wunit.')',
'update' => (string)$res->lastupdate['value']
);
set_pconfig(local_user(), 'curweather', 'last', $now->getTimestamp());
Cache::set('curweather'.md5($url), serialize($r));
return $r;
}
function curweather_install() {
@ -80,11 +92,10 @@ function curweather_network_mod_init(&$fk_app,&$b) {
if ($units==="")
$units = 'metric';
$ok = true;
$res = getWeather($rpt, $units, $lang, $appid);
$res = getWeather($rpt, $units, $lang, $appid, $cachetime);
if ($res===false)
$ok = false;
// TODO Caching
if ($ok) {
$t = get_markup_template("widget.tpl", "addon/curweather/" );
@ -98,7 +109,7 @@ function curweather_network_mod_init(&$fk_app,&$b) {
'$relhumidity' => array('caption'=>t('Relative Humidity'), 'val'=>$res['humidity']),
'$pressure' => array('caption'=>t('Pressure'), 'val'=>$res['pressure']),
'$wind' => array('caption'=>t('Wind'), 'val'=> $res['wind']),
'$lastupdate' => t('Last Updated').': '.$res['update'],
'$lastupdate' => t('Last Updated').': '.$res['update'].'UTC',
'$databy' => t('Data by'),
'$showonmap' => t('Show on map')
));