mirror of
https://github.com/EGroupware/egroupware.git
synced 2024-10-05 09:32:08 +02:00
282 lines
9.6 KiB
PHP
282 lines
9.6 KiB
PHP
<?php
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/*
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* Egroupware Weather widget
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @package home
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* @subpackage portlet
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* @link http://www.egroupware.org
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* @author Nathan Gray
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* @version $Id$
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*/
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/**
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* Widget displaying the weather
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*
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* This widget displays more or less data depending on the portlet size using
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* a combination of the disabled attribute in the template, and unsetting
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* things to fit. It also uses some CSS to make sure things fit according to
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* the grid size.
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*
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* We use openweathermap.org as a data source.
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*/
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class home_weather_portlet extends home_portlet
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{
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const API_URL = "http://api.openweathermap.org/data/2.5/";
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const ICON_URL = 'http://openweathermap.org/img/w/';
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const API_KEY = '45484f039c5caa14d31aefe7f5514292';
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const CACHE_TIME = 3600; // Cache weather for an hour
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/**
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* Context for this portlet
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*/
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public function __construct(Array &$context = array(), &$need_reload = false)
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{
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// City not set for new widgets created via context menu
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if(!$context['city'] || $context['height'] < 2)
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{
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// Set initial size to 3x2, default is too small
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$context['width'] = 3;
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$context['height'] = 2;
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}
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$need_reload = true;
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$this->context = $context;
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}
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public function exec($id = null, etemplate_new &$etemplate = null)
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{
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// Allow to submit directly back here
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if(is_array($id) && $id['id'])
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{
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$id = $id['id'];
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}
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$etemplate->read('home.weather');
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$etemplate->set_dom_id($id);
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$content = $this->context;
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$request = array(
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'units' => $this->context['units'] ? $this->context['units'] : 'metric',
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'lang' => $GLOBALS['egw_info']['user']['preferences']['common']['lang'],
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// Always get (& cache) 10 days, we'll cut down later
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'cnt' => 10
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);
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if($this->context['city_id'])
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{
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$request['id'] = $this->context['city_id'];
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$content += $this->get_weather($request);
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}
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elseif($this->context['city'])
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{
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$request['q'] = $this->context['city'];
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$content += $this->get_weather($request);
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}
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elseif ($this->context['position'])
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{
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list($request['lat'],$request['lon']) = explode(',',$this->context['position']);
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$content += $this->get_weather($request);
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}
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// Caching is best done by city ID, so store that
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if($content['city_id'] && (!$this->context['city_id'] || $content['city_id'] != $this->context['city_id']))
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{
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$portlets = $GLOBALS['egw']->preferences->read_repository();
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$portlets = $portlets['home'];
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// Save updated preferences
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$portlets[$id]['city_id'] = $content['city_id'];
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$this->context['city'] = $portlets[$id]['city'] = $content['settings']['city'] =
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$content['settings']['title'] = $content['city'] = is_array($content['city']) ? $content['city']['name'] : $content['city'];
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unset($portlets[$id]['position']);
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$GLOBALS['egw']->preferences->add('home', $id, $portlets[$id]);
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$GLOBALS['egw']->preferences->save_repository(True);
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}
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// Adjust data to match portlet size
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if($this->context['height'] <= 2 && $this->context['width'] <= 3)
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{
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// Too small for the other days
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unset($content['list']);
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}
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else if ($this->context['height'] == 2 && $this->context['width'] > 3)
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{
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// Wider, but not taller
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unset($content['current']);
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}
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// Even too small for current high/low
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if($this->context['width'] < 3)
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{
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$content['current']['no_current_temp'] = true;
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}
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// Direct to full forecast page
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$content['attribution'] ='http://openweathermap.org/city/'.$content['city_id'];
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$etemplate->exec('home.home_weather_portlet.exec',$content,array(),array('__ALL__'=>true),array('id' =>$id));
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}
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/**
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* Fetch weather data from provider openweathermap.org
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*
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* @see http://openweathermap.org/api
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* @param array $query
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*/
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public function get_weather(Array $query, $api_url = '')
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{
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static $debug = false;
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if(!$api_url)
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{
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$api_url = self::API_URL . '/weather?';
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}
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if(self::API_KEY)
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{
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$query['APPID'] = self::API_KEY;
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}
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$data = egw_cache::getTree('home', json_encode($query), function($query) use(&$clear_cache) {
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$debug = false;
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if($debug) error_log('Fetching fresh data from ' . static::API_URL);
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$url = static::API_URL.'forecast/daily?'. http_build_query($query);
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$forecast = file_get_contents($url);
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$url = static::API_URL.'weather?'. http_build_query($query);
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$current = file_get_contents($url);
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if($debug) error_log(__METHOD__ . ' current: ' . $current);
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return array_merge(array('current' => json_decode($current,true)), json_decode($forecast,true));
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}, array($query), self::CACHE_TIME);
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// Some sample data, if you need to test
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//error_log('Using hardcoded data instead of ' . $api_url . http_build_query($query));
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//$weather = '{"coord":{"lon":-114.05,"lat":53.23},"sys":{"message":0.3098,"country":"Canada","sunrise":1420559329,"sunset":1420587344},"weather":[{"id":802,"main":"Clouds","description":"scattered clouds","icon":"03n"}],"base":"cmc stations","main":{"temp":-21.414,"temp_min":-21.414,"temp_max":-21.414,"pressure":947.79,"sea_level":1050.73,"grnd_level":947.79,"humidity":69},"wind":{"speed":3,"deg":273.5},"clouds":{"all":32},"dt":1420502430,"id":0,"name":"Thorsby","cod":200}';
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//$weather = '{"cod":"200","message":0.1743,"city":{"id":"5978233","name":"Thorsby","coord":{"lon":-114.051,"lat":53.2285},"country":"Canada","population":0},"cnt":6,"list":[{"dt":1420743600,"temp":{"day":-17.49,"min":-27.86,"max":-16.38,"night":-27.86,"eve":-19.91,"morn":-16.77},"pressure":966.21,"humidity":66,"weather":[{"id":800,"main":"Clear","description":"sky is clear","icon":"01d"}],"speed":6.91,"deg":312,"clouds":0,"snow":0.02},{"dt":1420830000,"temp":{"day":-24.86,"min":-29.71,"max":-17.98,"night":-18.31,"eve":-18.32,"morn":-29.51},"pressure":948.46,"humidity":54,"weather":[{"id":801,"main":"Clouds","description":"few clouds","icon":"02d"}],"speed":3.21,"deg":166,"clouds":20},{"dt":1420916400,"temp":{"day":-18.51,"min":-25.57,"max":-17.86,"night":-23.83,"eve":-23.91,"morn":-19.28},"pressure":947.22,"humidity":74,"weather":[{"id":802,"main":"Clouds","description":"scattered clouds","icon":"03d"}],"speed":1.97,"deg":314,"clouds":48},{"dt":1421002800,"temp":{"day":-26.69,"min":-29.86,"max":-20.19,"night":-21.82,"eve":-24.66,"morn":-28.85},"pressure":951.93,"humidity":22,"weather":[{"id":800,"main":"Clear","description":"sky is clear","icon":"02d"}],"speed":1.36,"deg":196,"clouds":8},{"dt":1421089200,"temp":{"day":0.9,"min":-8.24,"max":0.9,"night":-4.99,"eve":-0.21,"morn":-8.24},"pressure":929.31,"humidity":0,"weather":[{"id":800,"main":"Clear","description":"sky is clear","icon":"01d"}],"speed":6.01,"deg":302,"clouds":5,"snow":0},{"dt":1421175600,"temp":{"day":-1.53,"min":-6.7,"max":2.23,"night":-3.65,"eve":2.23,"morn":-6.7},"pressure":934.51,"humidity":0,"weather":[{"id":800,"main":"Clear","description":"sky is clear","icon":"01d"}],"speed":3.9,"deg":201,"clouds":78}]}';
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if($debug)
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{
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error_log(__METHOD__ .' weather info:');
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foreach($data as $key => $val)
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{
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error_log($key . ': ' .array2string($data[$key]));
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}
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}
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if(is_string($data['message']))
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{
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$desc = $this->get_description();
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egw_framework::message($desc['displayName'] . ': ' . $desc['title'] . "\n".$data['message'], 'warning');
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return array();
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}
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if(array_key_exists('city', $data))
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{
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$data['city_id'] = $data['city']['id'];
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}
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elseif ($data['city'])
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{
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$data['city_id'] = $data['id'];
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}
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if($data['list'])
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{
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$massage =& $data['list'];
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for($i = 0; $i < min(count($massage), $this->context['width']); $i++)
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{
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$forecast =& $massage[$i];
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$forecast['day'] = egw_time::to($forecast['dt'],'l');
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self::format_forecast($forecast);
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}
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// Chop data to fit into portlet
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for($i; $i < count($massage); $i++)
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{
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unset($massage[$i]);
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}
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}
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if($data['current'] && is_array($data['current']))
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{
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// Current weather
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$data['current']['temp'] = $data['current']['main'];
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self::format_forecast($data['current']);
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}
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if ($data['list'])
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{
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$data['current']['temp'] = array_merge($data['current']['temp'],$data['list'][0]['temp']);
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}
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return $data;
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}
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/**
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* Format weather to our liking
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*/
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protected static function format_forecast(&$data)
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{
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$weather =& $data['weather'] ? $data['weather'] : $data;
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$temp =& $data['temp'] ? $data['temp'] : $data;
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// Full URL for icon
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if(is_array($weather))
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{
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foreach($weather as &$w)
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{
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$w['icon'] = static::ICON_URL . $w['icon'].'.png';
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}
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}
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// Round
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foreach(array('temp','temp_min','temp_max','min','max') as $temp_name)
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{
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if(array_key_exists($temp_name, $temp))
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{
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$temp[$temp_name] = ''.round($temp[$temp_name]);
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}
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}
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}
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public function get_actions()
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{
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$actions = array(
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);
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return $actions;
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}
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/**
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* Return a list of settings to customize the portlet.
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*
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* Settings should be in the same style as for preferences. It is OK to return an empty array
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* for no customizable settings.
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*
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* These should be already translated, no further translation will be done.
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*
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* @see preferences/inc/class.preferences_settings.inc.php
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* @return Array of settings. Each setting should have the following keys:
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* - name: Internal reference
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* - type: Widget type for editing
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* - label: Human name
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* - help: Description of the setting, and what it does
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* - default: Default value, for when it's not set yet
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*/
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public function get_properties()
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{
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$properties = parent::get_properties();
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$properties[] = array(
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'name' => 'city',
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'type' => 'textbox',
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'label' => lang('Location'),
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);
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return $properties;
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}
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public function get_description()
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{
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return array(
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'displayName'=> lang('Weather'),
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'title'=> $this->context['city'],
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'description'=> lang('Weather')
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);
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}
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} |