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weatherForecast.php
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weatherForecast.php
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<!DOCTYPE HTML>
<?php
function converticon($icon,$condition) {
if($icon=='clear-day')
$icon='clear.png';
else if($icon=='clear-night')
$icon='clear_night.png';
else if($icon=='rain')
$icon='rain.png';
else if($icon=='snow')
$icon='snow.png';
else if($icon=='sleet')
$icon='sleet.png';
else if($icon=='wind')
$icon='wind.png';
else if($icon=='fog')
$icon='fog.png';
else if($icon=='cloudy')
$icon='cloudy.png';
else if($icon=='partly-cloudy-day')
$icon='cloud_day.png';
else if($icon=='partly-cloudy-night')
$icon='cloud_night.png';
else
$icon ='';
$imgsrc='<img src="http://cs-server.usc.edu:45678/hw/hw6/images/'.$icon.'" alt="'.$condition.'" title="'.$condition.'">';
return $imgsrc;
}
function convertwindspeed($speed,$unit){
$speed=round($speed);
if($unit=='si')
{return $speed.' mps';}
return $speed.' mph';
}
function convertvisibility($visib,$unit){
$visib=round($visib);
if($unit=='si')
{return $visib.' km';}
return $visib.' mi';
}
function convertprecep($precepint,$unit){
if($unit=='si')
$precepint=$precepint*0.0393701;
if($precepint==0)
{return 'None';}
else if($precepint<=0.002)
{return 'Very Light';}
else if($precepint<=0.017)
{return 'Light';}
else if($precepint<=0.01)
{return 'Moderate”';}
else
{return 'Heavy';}
}
function convertpercernt($value){
$value*=100;
return $value.'%';
}
function convertTemp($value,$unit){
$value=round($value);
if($unit=='si')
{return $value.=' °C';}
return $value.=' °F';
}
function convertTime($timestamp,$timezone){
date_default_timezone_set($timezone);
return date("h:i A",$timestamp);
}
function outputForecast($saddress,$city,$state,$sunit)
{
$googleurl= "https://maps.googleapis.com/maps/api/geocode/xml?key=AIzaSyDISWh9GHBOX2VYSgHw0969f-G6ShYYpMQ&address=";
$address =$saddress.','.$city.','.$state;
$geocodeurl=$googleurl.urlencode($address);
try{$response_xml_data = @file_get_contents($geocodeurl);}
catch(Exception $e){echo '<script language="javascript">';
echo 'alert("',$e->getMessage(),'")';
echo '</script>';
return;}
if($response_xml_data==FALSE)
{echo '<script language="javascript">';
echo 'alert("Fetching address failed.Please try again!")';
echo '</script>';
return;
}
$simplexml=simplexml_load_string($response_xml_data);
$lats =$simplexml->xpath('//location/lat');
$lngs =$simplexml->xpath('//location/lng');
$formataddress=$simplexml->xpath('//status');
if(count($lats)==0||count($lngs)==0||strpos($formataddress[0],'ZERO_RESULTS')==true)
{echo '<div id="forecast" class="diverror">';
echo "<h2>No results returned!</h2>\n <h2>Please try another address.</h2>";
echo '</div>';
return;
}
$lat=$lats[0];
$lng=$lngs[0];
$forecasturl= "https://api.forecast.io/forecast/f2f049b51c218c7578dfccf9b55c2b08/";
$urlpram=$lat.','.$lng.'?units='.$sunit.'&exclude=flags';
$forecasturl.=$urlpram;
try{$response_xml_data = @file_get_contents($forecasturl);}
catch(Exception $e){echo '<script language="javascript">';
echo 'alert("',$e->getMessage(),'")';
echo '</script>';
return;}
if($response_xml_data==FALSE)
{echo '<script language="javascript">';
echo 'alert("Fetching weather forcast failed.Please try again!")';
echo '</script>';
return;
}
$jsonObject=json_decode($response_xml_data, true);
$wCondition=$jsonObject['currently']['summary'];
$wTemp=convertTemp($jsonObject['currently']['temperature'],$sunit);
$wicon=converticon($jsonObject['currently']['icon'],$wCondition);
$wprecp=convertprecep($jsonObject['currently']['precipIntensity'],$sunit);
$wprecprob=convertpercernt($jsonObject['currently']['precipProbability']);
$wwspeed=convertwindspeed($jsonObject['currently']['windSpeed'],$sunit);
$wdewpoint=round($jsonObject['currently']['dewPoint']);
$whumid=convertpercernt($jsonObject['currently']['humidity']);
if(isset($jsonObject['currently']['visibility']))
$wvisib=convertvisibility($jsonObject['currently']['visibility'],$sunit);
else
$wvisib=convertvisibility(0,$sunit);
$wsunrise=convertTime($jsonObject['daily']['data'][0]['sunriseTime'],$jsonObject['timezone']);
$wsunset=convertTime($jsonObject['daily']['data'][0]['sunsetTime'],$jsonObject['timezone']);
echo '<div id="forecast" class="divtable"><h2>'.$wCondition.'</h2><h2>'.$wTemp.'</h2>'.$wicon;
echo '<table><tr><td>Precipitation:</td><td>'.$wprecp.'</td></tr>';
echo '<tr><td>Chance of Rain:</td><td>'.$wprecprob.'</td></tr>';
echo '<tr><td>Wind Speed:</td><td>'.$wwspeed.'</td></tr>';
echo '<tr><td>Dew Point:</td><td>'.$wdewpoint.'</td></tr>';
echo '<tr><td>Humidity:</td><td>'.$whumid.'</td></tr>';
echo '<tr><td>Visibility:</td><td>'.$wvisib.'</td></tr>';
echo '<tr><td>Sunrise:</td><td>'.$wsunrise.'</td></tr>';
echo '<tr><td>Sunset:</td><td>'.$wsunset.'</td></tr></table></div>';
}
function checkSelected($val){
if (isset($_POST[ 'state']))
{if($_POST[ 'state']==$val)
echo "selected";
}
}
?>
<html>
<head>
<title>Forecast Search</title>
<style>
body {
text-align: center;
padding-top: 40px;
}
.divform {
margin: auto;
padding: 10px;
width: 350px;
height: 180px;
border: 2px solid black;
}
.divtable {
margin: auto;
margin-top: 40px;
padding: 10px;
width: 450px;
height: 380px;
border: 2px solid black;
}
.diverror {
margin: auto;
margin-top: 40px;
padding: 20px;
width: 450px;
height:100 px;
border: 2px solid black;
}
form {
display: table;
}
h2 {
size: 10px;
margin: 0px;
margin-bottom: 5px;
}
img {
width: 100px;
height: 100px;
}
input,
select {
display: table-column;
margin-left: 5px;
margin-bottom: 5px;
}
p {
display: table-row;
text-align: left;
padding: 10px;
}
label {
display: table-cell;
text-align: left;
}
table {
margin: 0 auto;
text-align: left;
}
td {
padding-left: 50px;
width: 150px;
}
</style>
<script>
function validparameters() {
var myform = document.getElementById("myform");
var isaddress = myform.saddress.value;
if (!isaddress.match(/\S/)) {
alert("Please enter a value for Street Address.");
return false;
}
var icity = myform.city.value;
if (!icity.match(/\S/)) {
alert("Please enter a value for City");
return false;
}
var istate = myform.state.value;
if (istate == "NIL") {
alert("Please select a State from dropbox.");
return false;
}
return true;
}
function clearform() {
var myform = document.getElementById("myform");
myform.saddress.value = "";
myform.city.value = "";
myform.state.value = "NIL";
myform.degree.value = "us";
var fordiv = document.getElementById("forecast");
fordiv.innerHTML = "";
fordiv.style.border = "thick solid white";
}
</script>
</head>
<body>
<h1>Forecast Search</h1>
<div class="divform">
<form id="myform" method="POST" onsubmit="return validparameters()" action="<?php echo
htmlspecialchars($_SERVER["PHP_SELF"]);?>" autocomplete="off">
<p>
<label>Street Address:*</label>
<input type="text" name="saddress" maxlength="50" value="<?php if(isset($_POST['saddress'])) { echo $_POST['saddress']; }?>">
</p>
<p>
<label>City:*</label>
<input type="text" name="city" maxlength="50" value="<?php if(isset($_POST['city'])) { echo $_POST['city']; }?>">
</p>
<p>
<label>State:*</label>
<select name="state">
<option value="NIL" <?php checkSelected( "NIL") ?>>Select your state..</option>
<option value="AL" <?php checkSelected( "AL") ?>>Alabama</option>
<option value="AK" <?php checkSelected( "AK") ?>>Alaska</option>
<option value="AZ" <?php checkSelected( "AZ") ?>>Arizona</option>
<option value="AR" <?php checkSelected( "AR") ?>>Arkansas</option>
<option value="CA" <?php checkSelected( "CA") ?>>California</option>
<option value="CO" <?php checkSelected( "CO") ?>>Colorado</option>
<option value="CT" <?php checkSelected( "CT") ?>>Connecticut</option>
<option value="DE" <?php checkSelected( "DE") ?>>Delaware</option>
<option value="DC" <?php checkSelected( "DC") ?>>District Of Columbia</option>
<option value="FL" <?php checkSelected( "FL") ?>>Florida</option>
<option value="GA" <?php checkSelected( "GA") ?>>Georgia</option>
<option value="HI" <?php checkSelected( "HI") ?>>Hawaii</option>
<option value="ID" <?php checkSelected( "ID") ?>>Idaho</option>
<option value="IL" <?php checkSelected( "IL") ?>>Illinois</option>
<option value="IN" <?php checkSelected( "IN") ?>>Indiana</option>
<option value="IA" <?php checkSelected( "IA") ?>>Iowa</option>
<option value="KS" <?php checkSelected( "KS") ?>>Kansas</option>
<option value="KY" <?php checkSelected( "KY") ?>>Kentucky</option>
<option value="LA" <?php checkSelected( "LA") ?>>Louisiana</option>
<option value="ME" <?php checkSelected( "ME") ?>>Maine</option>
<option value="MD" <?php checkSelected( "MD") ?>>Maryland</option>
<option value="MA" <?php checkSelected( "MA") ?>>Massachusetts</option>
<option value="MI" <?php checkSelected( "MI") ?>>Michigan</option>
<option value="MN" <?php checkSelected( "MN") ?>>Minnesota</option>
<option value="MS" <?php checkSelected( "MS") ?>>Mississippi</option>
<option value="MO" <?php checkSelected( "MO") ?>>Missouri</option>
<option value="MT" <?php checkSelected( "MT") ?>>Montana</option>
<option value="NE" <?php checkSelected( "NE") ?>>Nebraska</option>
<option value="NV" <?php checkSelected( "NV") ?>>Nevada</option>
<option value="NH" <?php checkSelected( "NH") ?>>New Hampshire</option>
<option value="NJ" <?php checkSelected( "NJ") ?>>New Jersey</option>
<option value="NM" <?php checkSelected( "NM") ?>>New Mexico</option>
<option value="NY" <?php checkSelected( "NY") ?>>New York</option>
<option value="NC" <?php checkSelected( "NC") ?>>North Carolina</option>
<option value="ND" <?php checkSelected( "ND") ?>>North Dakota</option>
<option value="OH" <?php checkSelected( "OH") ?>>Ohio</option>
<option value="OK" <?php checkSelected( "OK") ?>>Oklahoma</option>
<option value="OR" <?php checkSelected( "OR") ?>>Oregon</option>
<option value="PA" <?php checkSelected( "PA") ?>>Pennsylvania</option>
<option value="RI" <?php checkSelected( "RI") ?>>Rhode Island</option>
<option value="SC" <?php checkSelected( "SC") ?>>South Carolina</option>
<option value="SD" <?php checkSelected( "SD") ?>>South Dakota</option>
<option value="TN" <?php checkSelected( "TN") ?>>Tennessee</option>
<option value="TX" <?php checkSelected( "TX") ?>>Texas</option>
<option value="UT" <?php checkSelected( "UT") ?>>Utah</option>
<option value="VT" <?php checkSelected( "VT") ?>>Vermont</option>
<option value="VA" <?php checkSelected( "VA") ?>>Virginia</option>
<option value="WA" <?php checkSelected( "WA") ?>>Washington</option>
<option value="WV" <?php checkSelected( "WV") ?>>West Virginia</option>
<option value="WI" <?php checkSelected( "WI") ?>>Wisconsin</option>
<option value="WY" <?php checkSelected( "WY") ?>>Wyoming</option>
</select>
</p>
<p>
<label>Degree:*</label>
<input <?php if (!isset($_POST[ 'degree'])) echo "checked"; else if ($_POST[ 'degree']=="us" )echo "checked"; ?> type="radio" name="degree" value="us">Fahrenheit
<input <?php if (isset($_POST[ 'degree']) && $_POST[ 'degree']=="si" ) echo "checked";?> type="radio" name="degree" value="si">Celsius</p>
<p>
<label></label>
<input type="submit" name="submit" value="Search">
<input type="button" value="Clear" onclick="clearform();">
</p>
</form>
<p>
<label>*-<i>Mandatory Fields</i></label>
</p>
<a href="http://forecast.io/">Powered by Forecast.io</a>
</div>
<?php if(isset($_POST["submit"]))
if(isset($_POST[ 'saddress'])&&isset($_POST[ 'city'])&&isset($_POST[ 'state'])&&isset($_POST[ 'degree']))
{
outputForecast($_POST[ 'saddress'],$_POST[ 'city'],$_POST[ 'state'],$_POST[ 'degree']);
}
?>
</body>
</html>