friendica-addons/curweather/curweather.php

258 lines
9.2 KiB
PHP

<?php
/**
* Name: Current Weather
* Description: Shows current weather conditions for user's location on their network page.
* Version: 1.2
* 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 Friendica\App;
use Friendica\Core\Config;
use Friendica\Core\Hook;
use Friendica\Core\L10n;
use Friendica\Core\Renderer;
use Friendica\Core\Session;
use Friendica\DI;
use Friendica\Util\Network;
use Friendica\Util\Proxy as ProxyUtils;
function curweather_install()
{
Hook::register('network_mod_init' , 'addon/curweather/curweather.php', 'curweather_network_mod_init');
Hook::register('addon_settings' , 'addon/curweather/curweather.php', 'curweather_addon_settings');
Hook::register('addon_settings_post', 'addon/curweather/curweather.php', 'curweather_addon_settings_post');
}
function curweather_uninstall()
{
Hook::unregister('network_mod_init' , 'addon/curweather/curweather.php', 'curweather_network_mod_init');
Hook::unregister('addon_settings' , 'addon/curweather/curweather.php', 'curweather_addon_settings');
Hook::unregister('addon_settings_post', 'addon/curweather/curweather.php', 'curweather_addon_settings_post');
}
// get the weather data from OpenWeatherMap
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 = DI::pConfig()->get(local_user(), 'curweather', 'last');
$cached = unserialize($cached);
if ($cdate + $cachetime > $now->getTimestamp()) {
return $cached;
}
}
try {
$res = new SimpleXMLElement(Network::fetchUrl($url));
} catch (Exception $e) {
if (empty($_SESSION['curweather_notice_shown'])) {
info(L10n::t('Error fetching weather data. Error was: '.$e->getMessage()));
$_SESSION['curweather_notice_shown'] = true;
}
return false;
}
unset($_SESSION['curweather_notice_shown']);
if (in_array((string) $res->temperature['unit'], ['celsius', 'metric'])) {
$tunit = '°C';
$wunit = 'm/s';
} else {
$tunit = '°F';
$wunit = 'mph';
}
if (trim((string) $res->weather['value']) == trim((string) $res->clouds['name'])) {
$desc = (string) $res->clouds['name'];
} else {
$desc = (string) $res->weather['value'] . ', ' . (string) $res->clouds['name'];
}
$r = [
'city' => (string) $res->city['name'][0],
'country' => (string) $res->city->country[0],
'lat' => (string) $res->city->coord['lat'],
'lon' => (string) $res->city->coord['lon'],
'temperature' => (string) $res->temperature['value'][0].$tunit,
'pressure' => (string) $res->pressure['value'] . (string) $res->pressure['unit'],
'humidity' => (string) $res->humidity['value'] . (string) $res->humidity['unit'],
'descripion' => $desc,
'wind' => (string) $res->wind->speed['name'] . ' (' . (string) $res->wind->speed['value'] . $wunit . ')',
'update' => (string) $res->lastupdate['value'],
'icon' => (string) $res->weather['icon'],
];
DI::pConfig()->set(local_user(), 'curweather', 'last', $now->getTimestamp());
Cache::set('curweather'.md5($url), serialize($r), Cache::HOUR);
return $r;
}
function curweather_network_mod_init(App $a, &$b)
{
if (!intval(DI::pConfig()->get(local_user(), 'curweather', 'curweather_enable'))) {
return;
}
DI::page()['htmlhead'] .= '<link rel="stylesheet" type="text/css" href="' . DI::baseUrl()->get() . '/addon/curweather/curweather.css' . '" media="all" />' . "\r\n";
// $rpt value is needed for location
// $lang will be taken from the browser session to honour user settings
// TODO $lang does not work if the default settings are used
// and not all response strings are translated
// $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 = DI::pConfig()->get(local_user(), 'curweather', 'curweather_loc');
// Set the language to the browsers language or default and use metric units
$lang = Session::get('language', Config::get('system', 'language'));
$units = DI::pConfig()->get( local_user(), 'curweather', 'curweather_units');
$appid = Config::get('curweather', 'appid');
$cachetime = intval(Config::get('curweather', 'cachetime'));
if ($units === "") {
$units = 'metric';
}
$ok = true;
$res = getWeather($rpt, $units, $lang, $appid, $cachetime);
if ($res === false) {
$ok = false;
}
if ($ok) {
$t = Renderer::getMarkupTemplate("widget.tpl", "addon/curweather/" );
$curweather = Renderer::replaceMacros($t, [
'$title' => L10n::t("Current Weather"),
'$icon' => ProxyUtils::proxifyUrl('http://openweathermap.org/img/w/'.$res['icon'].'.png'),
'$city' => $res['city'],
'$lon' => $res['lon'],
'$lat' => $res['lat'],
'$description' => $res['descripion'],
'$temp' => $res['temperature'],
'$relhumidity' => ['caption'=>L10n::t('Relative Humidity'), 'val'=>$res['humidity']],
'$pressure' => ['caption'=>L10n::t('Pressure'), 'val'=>$res['pressure']],
'$wind' => ['caption'=>L10n::t('Wind'), 'val'=> $res['wind']],
'$lastupdate' => L10n::t('Last Updated').': '.$res['update'].'UTC',
'$databy' => L10n::t('Data by'),
'$showonmap' => L10n::t('Show on map')
]);
} else {
$t = Renderer::getMarkupTemplate('widget-error.tpl', 'addon/curweather/');
$curweather = Renderer::replaceMacros( $t, [
'$problem' => L10n::t('There was a problem accessing the weather data. But have a look'),
'$rpt' => $rpt,
'$atOWM' => L10n::t('at OpenWeatherMap')
]);
}
DI::page()['aside'] = $curweather . DI::page()['aside'];
}
function curweather_addon_settings_post(App $a, $post)
{
if (!local_user() || empty($_POST['curweather-settings-submit'])) {
return;
}
DI::pConfig()->set(local_user(), 'curweather', 'curweather_loc' , trim($_POST['curweather_loc']));
DI::pConfig()->set(local_user(), 'curweather', 'curweather_enable', intval($_POST['curweather_enable']));
DI::pConfig()->set(local_user(), 'curweather', 'curweather_units' , trim($_POST['curweather_units']));
info(L10n::t('Current Weather settings updated.') . EOL);
}
function curweather_addon_settings(App $a, &$s)
{
if (!local_user()) {
return;
}
/* Get the current state of our config variable */
$curweather_loc = DI::pConfig()->get(local_user(), 'curweather', 'curweather_loc');
$curweather_units = DI::pConfig()->get(local_user(), 'curweather', 'curweather_units');
$appid = Config::get('curweather', 'appid');
if ($appid == "") {
$noappidtext = L10n::t('No APPID found, please contact your admin to obtain one.');
} else {
$noappidtext = '';
}
$enable = intval(DI::pConfig()->get(local_user(), 'curweather', 'curweather_enable'));
$enable_checked = (($enable) ? ' checked="checked" ' : '');
// load template and replace the macros
$t = Renderer::getMarkupTemplate("settings.tpl", "addon/curweather/" );
$s = Renderer::replaceMacros($t, [
'$submit' => L10n::t('Save Settings'),
'$header' => L10n::t('Current Weather').' '.L10n::t('Settings'),
'$noappidtext' => $noappidtext,
'$info' => L10n::t('Enter either the name of your location or the zip code.'),
'$curweather_loc' => [ 'curweather_loc', L10n::t('Your Location'), $curweather_loc, L10n::t('Identifier of your location (name or zip code), e.g. <em>Berlin,DE</em> or <em>14476,DE</em>.') ],
'$curweather_units' => [ 'curweather_units', L10n::t('Units'), $curweather_units, L10n::t('select if the temperature should be displayed in &deg;C or &deg;F'), ['metric'=>'°C', 'imperial'=>'°F']],
'$enabled' => [ 'curweather_enable', L10n::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_addon_admin_post(App $a)
{
if (!is_site_admin()) {
return;
}
if (!empty($_POST['curweather-submit'])) {
Config::set('curweather', 'appid', trim($_POST['appid']));
Config::set('curweather', 'cachetime', trim($_POST['cachetime']));
info(L10n::t('Curweather settings saved.' . PHP_EOL));
}
}
function curweather_addon_admin(App $a, &$o)
{
if (!is_site_admin()) {
return;
}
$appid = Config::get('curweather', 'appid');
$cachetime = Config::get('curweather', 'cachetime');
$t = Renderer::getMarkupTemplate("admin.tpl", "addon/curweather/" );
$o = Renderer::replaceMacros($t, [
'$submit' => L10n::t('Save Settings'),
'$cachetime' => [
'cachetime',
L10n::t('Caching Interval'),
$cachetime,
L10n::t('For how long should the weather data be cached? Choose according your OpenWeatherMap account type.'), [
'0' => L10n::t('no cache'),
'300' => '5 ' . L10n::t('minutes'),
'900' => '15 ' . L10n::t('minutes'),
'1800' => '30 ' . L10n::t('minutes'),
'3600' => '60 ' . L10n::t('minutes')
]
],
'$appid' => ['appid', L10n::t('Your APPID'), $appid, L10n::t('Your API key provided by OpenWeatherMap')]
]);
}