friendica-addons/curweather/curweather.php
2015-07-13 07:05:55 +02:00

216 lines
8.2 KiB
PHP

<?php
/**
* Name: Current Weather
* Description: Shows current weather conditions for user's location on their network page.
* Version: 1.1
* Author: Tony Baldwin <http://friendica.tonybaldwin.info/u/t0ny>
* Author: Fabio Comuni <http://kirkgroup.com/u/fabrixxm>
* Author: Tobias Diekershoff <https://f.diekershoff.de/u/tobias>
*
*/
use Cmfcmf\OpenWeatherMap;
use Cmfcmf\OpenWeatherMap\AbstractCache;
use Cmfcmf\OpenWeatherMap\Exception as OWMException;
// Must point to composer's autoload file.
require('vendor/autoload.php');
function curweather_install() {
register_hook('network_mod_init', 'addon/curweather/curweather.php', 'curweather_network_mod_init');
register_hook('plugin_settings', 'addon/curweather/curweather.php', 'curweather_plugin_settings');
register_hook('plugin_settings_post', 'addon/curweather/curweather.php', 'curweather_plugin_settings_post');
}
function curweather_uninstall() {
unregister_hook('network_mod_init', 'addon/curweather/curweather.php', 'curweather_network_mod_init');
unregister_hook('plugin_settings', 'addon/curweather/curweather.php', 'curweather_plugin_settings');
unregister_hook('plugin_settings_post', 'addon/curweather/curweather.php', 'curweather_plugin_settings_post');
}
// The caching mechanism is taken from the cache example of the
// OpenWeatherMap-PHP-API library and a bit customized to allow admins to set
// the caching time depending on the plans they got from openweathermap.org
// and the usage of the friendica temppath
class CWCache extends AbstractCache
{
private function urlToPath($url)
{
// take friendicas tmp directory as base for the cache
$tmp = get_config('system','temppath');
$dir = $tmp . DIRECTORY_SEPARATOR . "OpenWeatherMapPHPAPI";
if (!is_dir($dir)) {
mkdir($dir);
}
$path = $dir . DIRECTORY_SEPARATOR . md5($url);
return $path;
}
/**
* @inheritdoc
*/
public function isCached($url)
{
$path = $this->urlToPath($url);
if (!file_exists($path) || filectime($path) + $this->seconds < time()) {
return false;
}
return true;
}
/**
* @inheritdoc
*/
public function getCached($url)
{
return file_get_contents($this->urlToPath($url));
}
/**
* @inheritdoc
*/
public function setCached($url, $content)
{
file_put_contents($this->urlToPath($url), $content);
}
}
function curweather_network_mod_init(&$fk_app,&$b) {
if(! intval(get_pconfig(local_user(),'curweather','curweather_enable')))
return;
$fk_app->page['htmlhead'] .= '<link rel="stylesheet" type="text/css" href="' . $fk_app->get_baseurl() . '/addon/curweather/curweather.css' . '" media="all" />' . "\r\n";
// the OpenWeatherMap-PHP-APIlib does all the work here
// the $rpt value is needed for location
// $lang will be taken from the browser session to honour user settings
// $units can be set in the settings by the user
// $appid is configured by the admin in the admin panel
// those parameters will be used to get: cloud status, temperature, preassure
// and relative humidity for display, also the relevent area of the map is
// linked from lat/log of the reply of OWMp
$rpt = get_pconfig(local_user(), 'curweather', 'curweather_loc');
// set the language to the browsers language and use metric units
$lang = $_SESSION['language'];
$units = get_pconfig( local_user(), 'curweather', 'curweather_units');
$appid = get_config('curweather','appid');
$cachetime = intval(get_config('curweather','cachetime'));
if ($units==="")
$units = 'metric';
// Get OpenWeatherMap object. Don't use caching (take a look into
// Example_Cache.php to see how it works).
//$owm = new OpenWeatherMap();
$owm = new OpenWeatherMap(null, new CWCache(), $cachetime);
try {
$weather = $owm->getWeather($rpt, $units, $lang, $appid);
$temp = $weather->temperature->getValue();
if ( $units === 'metric') {
$temp .= '°C';
} else {
$temp .= '°F';
};
$rhumid = $weather->humidity;
$pressure = $weather->pressure;
$wind = $weather->wind->speed->getDescription().', '.$weather->wind->speed . " " . $weather->wind->direction;
$description = $weather->clouds->getDescription();
$city = array(
'name'=>$weather->city->name,
'lon' =>$weather->city->lon,
'lat' =>$weather->city->lat
);
} catch(OWMException $e) {
info ( 'OpenWeatherMap exception: ' . $e->getMessage() . ' (Code ' . $e->getCode() . ').');
} catch(\Exception $e) {
info ('General exception: ' . $e->getMessage() . ' (Code ' . $e->getCode() . ').');
}
$t = get_markup_template("widget.tpl", "addon/curweather/" );
$curweather = replace_macros ($t, array(
'$title' => t("Current Weather"),
'$city' => $city,
'$description' => $description,
'$temp' => $temp,
'$relhumidity' => array('caption'=>t('Relative Humidity'), 'val'=>$rhumid),
'$pressure' => array('caption'=>t('Pressure'), 'val'=>$pressure),
'$wind' => array('caption'=>t('Wind'), 'val'=> $wind),
'$databy' => t('Data by'),
'$showonmap' => t('Show on map')
));
$fk_app->page['aside'] = $curweather.$fk_app->page['aside'];
}
function curweather_plugin_settings_post($a,$post) {
if(! local_user() || (! x($_POST,'curweather-settings-submit')))
return;
set_pconfig(local_user(),'curweather','curweather_loc',trim($_POST['curweather_loc']));
set_pconfig(local_user(),'curweather','curweather_enable',intval($_POST['curweather_enable']));
set_pconfig(local_user(),'curweather','curweather_units',trim($_POST['curweather_units']));
info( t('Current Weather settings updated.') . EOL);
}
function curweather_plugin_settings(&$a,&$s) {
if(! local_user())
return;
/* Get the current state of our config variable */
$curweather_loc = get_pconfig(local_user(), 'curweather', 'curweather_loc');
$curweather_units = get_pconfig(local_user(), 'curweather', 'curweather_units');
$appid = get_config('curweather','appid');
if ($appid=="") {
$noappidtext = t('No APPID found, please contact your admin to optain one.');
} else {
$noappidtext = '';
}
$enable = intval(get_pconfig(local_user(),'curweather','curweather_enable'));
$enable_checked = (($enable) ? ' checked="checked" ' : '');
// load template and replace the macros
$t = get_markup_template("settings.tpl", "addon/curweather/" );
$s = replace_macros ($t, array(
'$submit' => t('Save Settings'),
'$header' => t('Current Weather').' '.t('Settings'),
'$noappidtext' => $noappidtext,
'$info' => t('Enter either the name of your location or the zip code.'),
'$curweather_loc' => array( 'curweather_loc', t('Your Location'), $curweather_loc, t('Identifier of your location (name or zip code), e.g. <em>Berlin,DE</em> or <em>14476,DE</em>.') ),
'$curweather_units' => array( 'curweather_units', t('Units'), $curweather_units, t('select if the temperatur should be displayed in °C or °F'), array('metric'=>'°C', 'imperial'=>'°F')),
'$enabled' => array( 'curweather_enable', t('Show weather data'), $enable, '')
));
return;
}
// Config stuff for the admin panel to let the admin of the node set a APPID
// for accessing the API of openweathermap
function curweather_plugin_admin_post (&$a) {
if(! is_site_admin())
return;
if ($_POST['curweather-submit']) {
set_config('curweather','appid',trim($_POST['appid']));
set_config('curweather','cachetime',trim($_POST['cachetime']));
info( t('Curweather settings saved.'.EOL));
}
}
function curweather_plugin_admin (&$a, &$o) {
if(! is_site_admin())
return;
$appid = get_config('curweather','appid');
$cachetime = get_config('curweather','cachetime');
$t = get_markup_template("admin.tpl", "addon/curweather/" );
$o = replace_macros ($t, array(
'$submit' => t('Save Settings'),
'$cachetime' => array('cachetime', t('Caching Interval'), $cachetime, t('For how long should the weather data be cached? Choose according your OpenWeatherMap account type.'), array('0'=>t('no cache'), '300'=>'5 '.t('minutes'), '900'=>'15 '.t('minutes'), '1800'=>'30 '.t('minutes'), '3600'=>'60 '.t('minutes'))),
'$appid' => array('appid', t('Your APPID'), $appid, t('Your API key provided by OpenWeatherMap'))
));
}