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<?php
/**
* @version $Id:helper.php 14 2008-02-06 09:35:30Z p0l0 $
* @package Joomla jWeather
* @author Marco Neumann
* @copyright Copyright (c) 2008, 2009, Marco Neumann
* @license GNU/GPL, see COPYING
*
* This file is part of jWeather.
*
* jWeather is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* jWeather is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with jWeather. If not, see <http://www.gnu.org/licenses/>.
*
*/
/*
* This module is based on the code of the Wordpress plugin GetWeather:
*
* Plugin Name: GetWeather
* Plugin URI: http://dev.wp-plugins.org/wiki/GetWeather
* Author: Jeff Minard
* Author URI: http://thecodepro.com/
* Version: 1.2.1
* Description: Shows current weather conditions by querying the weather.com website.
* Date: 22 January 2005
*/
class modJWeatherHelper
{
/**
* Loads default values for global vars
*
*/
function defines()
{
/**
* Measurement System
*
* s = US Standard
* m = Metric
*
* @var String
*/
$this->_measurementSystem = 'm';
/**
* Iconset path
*
* @var String
*/
$this->_iconDirURL = 'icons';
/**
* Number of forecast days
*
* @var Int
*/
$this->_numDays = 3;
/**
* Show day names
*
* @var Int/String
*/
$this->_dayNames = 0;
/**
* Temperature separator
*
* @var String
*/
$this->_tempSeparator = '';
/**
* Available showTypes
*
* @var array
*/
$this->_avlShowTypes = array('desc', 'icon', 'temp', 'forecast', 'curtime', 'sunrise', 'sunset', 'sunrise-sunset',
'vis', 'wind', 'hum', 'dew', 'high', 'low', 'high-low'
);
/**
* Use cache (NOT IMPLEMENTED YET!)
*
* @var Boolean
*/
$this->_useCache = false;
/**
* Holds the data to be shown
*
* @var array
*/
$this->_showType = array();
}
/**
* Initialize global vars
*
* @param JParameter $params
*/
function initialize(&$params)
{
modJWeatherHelper::defines();
$this->_measurementSystem = ($params->get('measurement_system'))?$params->get('measurement_system'):$this->_measurementSystem;
/**
* TODO - Fix for getting correctly if path is relative or absolute
*/
$this->_iconDirURL = ($params->get('icondir') && $params->get('icondir') != $this->_iconDirURL)?$params->get('icondir'):JURI::base() . 'modules/mod_jweather/tmpl/'.$this->_iconDirURL;
$this->_numDays = ($params->get('numdays'))?$params->get('numdays'):$this->_numDays;
$this->_dayNames = ($params->get('days'))?$params->get('days'):$this->_dayNames;
$this->_tempSeparator = $params->get('tempseparator');
/**
* Weather.com XML PartnerID and LicenseKey
*/
$this->_partnerID = $params->get('partnerid');
$this->_licenseKey = $params->get('licensekey');
foreach ($this->_avlShowTypes as $curShowType)
{
if ($params->get($curShowType) == 1)
{
array_push($this->_showType, $curShowType);
}
}
}
/**
* This function loads weather data for a specified cityCode
*
* @param string $cityCode
* @return array
*/
function _loadWeatherData($cityCode)
{
$wURL = 'http://xoap.weather.com/weather/local/' . $cityCode .
'?cc=*&dayf=' . $this->_numDays .
'&unit=' . $this->_measurementSystem .
'&par=' . $this->_partnerID .
'&key=' . $this->_licenseKey .
'&prod=xoap&link=xoap';
$xml_parser = xml_parser_create();
/**
* Initialize data
*/
$data = '';
/**
* Check if we use can use cURL
*/
if (function_exists('curl_init'))
{
$fp = curl_init();
$curlTimeout = 15; //TODO - Put this as config parameter
curl_setopt ($fp, CURLOPT_URL, $wURL);
curl_setopt ($fp, CURLOPT_CONNECTTIMEOUT, $curlTimeout);
/**
* Get Data using cURL
*/
ob_start();
curl_exec($fp);
$data = ob_get_contents();
ob_end_clean();
/**
* Check if cURL retrieved data correctly
*/
if (curl_errno($fp) != 0)
{
JError::raiseWarning( 0, 'Weather Not Available ('.curl_error($fp).')' );
return false;
}
/**
* Close cURL Handler because we dont need it anymore
*/
curl_close($fp);
}
else
{
/**
* Use fopen
*/
if (!($fp = fopen($wURL, "r"))) {
JError::raiseWarning( 0, 'Weather Not Available (Read Error)' );
return false;
}
while (!feof($fp)) {
$data .= fread($fp, 8192);
}
fclose($fp);
}
/**
* Initialize arrays
*/
$vals = array();
$index = array();
xml_parse_into_struct($xml_parser, $data, $vals, $index);
xml_parser_free($xml_parser);
$params = array();
$level = array();
foreach ($vals as $xml_elem) {
if ($xml_elem['type'] == 'open') {
if (array_key_exists('attributes',$xml_elem)) {
$level[$xml_elem['level']] = array_shift($xml_elem['attributes']);
} else {
$level[$xml_elem['level']] = $xml_elem['tag'];
}
}
if ($xml_elem['type'] == 'complete') {
$start_level = 1;
$php_stmt = '$params';
while($start_level < $xml_elem['level']) {
$php_stmt .= '[$level['.$start_level.']]';
$start_level++;
}
$php_stmt .= '[$xml_elem[\'tag\']] = $xml_elem[\'value\'];';
eval($php_stmt);
}
}
$this->_weatherData = $params;
return true;
}
/**
* Returns retrieved weather data
*
* @param string $cityCode
* @return array
*/
function getWeatherData($cityCode)
{
modJWeatherHelper::_loadWeatherData($cityCode);
$output = array();
/**
* Save number of days to be shown
*/
$output['numDays'] = $this->_numDays;
/**
* Need we save the day names?
*/
switch($this->_dayNames)
{
/**
* We use JText to be sure the dayname is translated
*
* TODO - Fix strftime to show correctly in localized language
*/
case 'short':
for ($i=0; $i<$this->_numDays; $i++)
{
//$output['days'][$i] = ucfirst(JText::_(strftime("%a", strtotime("+".$i." days"))));
$output['days'][$i] = ucfirst(JText::_(date("D", strtotime("+".$i." days"))));
}
break;
case 'long':
for ($i=0; $i<$this->_numDays; $i++)
{
//$output['days'][$i] = ucfirst(JText::_(strftime("%A", strtotime("+".$i." days"))));
$output['days'][$i] = ucfirst(JText::_(date("l", strtotime("+".$i." days"))));
}
break;
}
foreach ($this->_showType as $showType)
{
switch ($showType)
{
case 'desc':
$output['desc'] = $this->_weatherData["2.0"][$cityCode]['DNAM'];
break;
case 'icon':
for ($i=0; $i<$this->_numDays; $i++)
{
if ($i == 0)
{
/**
* Update icon numeric code
*/
if (is_numeric($this->_weatherData["2.0"]['CC']['ICON']) && $this->_weatherData["2.0"]['CC']['ICON'] < 10)
{
$this->_weatherData["2.0"]['CC']['ICON'] = '0'.$this->_weatherData["2.0"]['CC']['ICON'];
}
$output['icon'][$i]['image'] = $this->_iconDirURL.'/'.$this->_weatherData["2.0"]['CC']['ICON'].'.png';
$output['icon'][$i]['alt'] = $this->_weatherData["2.0"]['CC']['T'];
}
else
{
/**
* Update icon numeric code
*/
if (is_numeric($this->_weatherData["2.0"]['DAYF'][$i]['d']['ICON']) && $this->_weatherData["2.0"]['DAYF'][$i]['d']['ICON'] < 10)
{
$this->_weatherData["2.0"]['DAYF'][$i]['d']['ICON'] = '0'.$this->_weatherData["2.0"]['DAYF'][$i]['d']['ICON'];
}
$output['icon'][$i]['image'] = $this->_iconDirURL.'/'.$this->_weatherData["2.0"]['DAYF'][$i]['d']['ICON'].'.png';
$output['icon'][$i]['alt'] = $this->_weatherData["2.0"]['DAYF'][$i]['d']['T'];
}
}
break;
case 'temp':
for ($i=0; $i<$this->_numDays; $i++)
{
if ($i == 0)
{
$output['temp'][$i] = $this->_weatherData["2.0"]['CC']['TMP'] . $this->_tempSeparator . $this->_weatherData["2.0"]['HEAD']['UT'];
}
else
{
$output['temp'][$i] = $this->_weatherData["2.0"]['DAYF'][$i]['HI'] . $this->_tempSeparator . $this->_weatherData["2.0"]['HEAD']['UT'];
}
}
break;
case 'forecast':
for ($i=0; $i<$this->_numDays; $i++)
{
if ($i == 0)
{
$output['forecast'][$i] = $this->_weatherData["2.0"]['CC']['T'];
}
else
{
$output['forecast'][$i] = $this->_weatherData["2.0"]['DAYF'][$i]['d']['T'];
}
}
break;
case 'sunrise':
$output['sunrise'] = $this->_weatherData["2.0"][$cityCode]['SUNR'];
break;
case 'sunset':
$output['sunset'] = $this->_weatherData["2.0"][$cityCode]['SUNS'];
break;
case 'sunrise-sunset':
$output['sunrise-sunset'] = $this->_weatherData["2.0"][$cityCode]['SUNR'].'/'.$this->_weatherData["2.0"][$cityCode]['SUNS'];
break;
case 'vis':
$output['vis'] = $this->_weatherData["2.0"]['CC']['VIS'] . $this->_weatherData["2.0"]['HEAD']['UD'];
break;
case 'wind':
$output['wind'] = $this->_weatherData["2.0"]['CC']['WIND']['S'] . $this->_weatherData["2.0"]['HEAD']['US'];
break;
case 'hum':
$output['hum'] = $this->_weatherData["2.0"]['CC']['HMID'];
break;
case 'dew':
$output['dew'] = $this->_weatherData["2.0"]['CC']['DEWP'];
break;
case 'high':
$output['high'] = $this->_weatherData["2.0"]['DAYF'][0]['HI'];
break;
case 'low':
$output['low'] = $this->_weatherData["2.0"]['DAYF'][0]['LOW'];
break;
case 'high-low':
$output['high-low'] = $this->_weatherData["2.0"]['DAYF'][0]['HI'].'/'.$this->_weatherData["2.0"]['DAYF'][0]['LOW'];
break;
}
}
return $output;
}
}
?>