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rx_api_call
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Finish project. Please read the readme. 

Signed-off-by: Rick Hays <rhays@haysgang.com>
master
Rick Hays 6 years ago
parent
1c2488c808
commit
ec443db999
8 changed files with 183 additions and 15 deletions
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  1. 103
      RX.php
  2. 35
      classes/geocode.php
  3. 2
      css/system-min.css
  4. 7
      css/system.css
  5. BIN
      db/RX.db
  6. 12
      index.html
  7. 27
      js/system.js
  8. 12
      scss/system.scss

103
RX.php
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@ -0,0 +1,103 @@
<?php
/**
* RX - Main API to process in coming request for closest location.
* 2019-09-25
* Rick Hays
*
*/
include_once 'classes/geocode.php';
// Test Key before allowing access - No encryption, simple key test.
$key = GetParam('K');
if ($key !== 'RLH1234')
{
header("HTTP/1.0 405 Method Not Allowed");
exit;
}
$request_method = strtoupper($_SERVER["REQUEST_METHOD"]);
switch($request_method)
{
case 'GET':
$Lat = GetParam('Latitude');
$Lon = GetParam('Longitude');
try
{
$db = new PDO('sqlite:db/RX.db');
$geo = new geocode();
$shortest = 999999; // <-- Sets to a very high value to find shortest distance below.
$result = $db->query('SELECT rowid,* FROM pharmacies');
foreach ($result as $row) {
$distance = $geo->straight_line_distance($Lat, $Lon, $row['Latitude'], $row['Longitude'], 'N');
if ($distance < $shortest)
{
$pharmacy = $row['Pharmacy'];
$address = $row['Address'];
$city = $row['City'];
$state = $row['State'];
$zip = $row['Zip'];
$latitude = $row['Latitude'];
$longitude = $row['Longitude'];
$shortest = $distance;
}
}
$db = NULL;
}
catch(PDOException $e)
{
echo 'PDO Exception: ' . $e-> getMessage();
exit;
}
break;
// case 'POST':
// break;
// case 'PUT':
// break;
// case 'DELETE':
// break;
default:
// Invalid Request Method
header("HTTP/1.0 405 Method Not Allowed");
exit;
}
// Output JSON back to HTML file.
echo 'Closest Pharmacy To you is: <br/><br/>';
echo $pharmacy . '<br/>';
echo $address . '<br/>';
echo $city . '<br/>';
echo $state . '<br/>';
echo $zip . '<br/>';
echo '<br/>';
// echo $latitude . '<br/>';
// echo $longitude . '<br/>';
echo 'Distance of - ' . round($shortest, 1) . ' mile(s) away.<br/>';
exit;
// ##### END OF PROGRAM ################################################################################################
/**
* GetParam - Returns the GET or POST values, and allows for defaults if not present.
* @param $param_name
* @param null $default
*
* @return string|null
*/
function GetParam($param_name, $default=NULL)
{
global $_POST;
global $_GET;
$param_value = "";
if(isset($_POST[$param_name]))
$param_value = $_POST[$param_name];
else if(isset($_GET[$param_name]))
$param_value = $_GET[$param_name];
else if($param_value === '')
$param_value = $default;
return $param_value;
}

35
classes/geocode.php
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@ -0,0 +1,35 @@
<?php
class geocode
{
/**
* straight_line_distance - Returns Straight Line distance between two sets of (LAT/LONGS)
* @param real $lat1 - Latitude of Location #1
* @param real $lon1 - Longitude of Location #1
* @param real $lat2 - Latitude of Location #2
* @param real $lon2 - Longitude of Location #2
* @param string $unit - Unit of measure [DEFAULT = statute miles] ('K'=kilometers, 'N'=nautical miles)
* @return numeric - returns the distance in the desired unit of measure.
*/
public function straight_line_distance($lat1, $lon1, $lat2, $lon2, $unit='')
{
$theta = $lon1 - $lon2;
$dist = sin(deg2rad($lat1)) * sin(deg2rad($lat2)) + cos(deg2rad($lat1)) * cos(deg2rad($lat2)) * cos(deg2rad($theta));
$dist = acos($dist);
$dist = rad2deg($dist);
$miles = $dist * 60 * 1.1515;
$unit = strtoupper($unit);
if ($unit == "K")
{
return ($miles * 1.609344);
}
else if ($unit == "N")
{
return ($miles * 0.8684);
}
else
{
return $miles;
}
}
}

2
css/system-min.css
View File

@ -1 +1 @@
.clear{clear:both;float:none}body{background-color:lightgray;width:100%}body header div{margin:0 auto;width:80%}body header div p{text-align:left}body section form div#latitude_error{color:red;margin:0 auto;text-align:left;width:80%}body section form div#latitute_input{margin:10px auto;text-align:left;width:80%}body section form div#latitute_input div#latitute_input_label{float:left;text-align:right;width:80px}body section form div#latitute_input div#latitute_input_input{float:left;text-align:left;width:100px}body section form div#longitude_error{color:red;margin:0 auto;text-align:left;width:80%}body section form div#longitude_input{margin:10px auto;width:80%}body section form div#longitude_input div#longitude_input_label{float:left;text-align:right;width:80px}body section form div#longitude_input div#longitude_input_text{float:left;text-align:left;width:100px}body section form div#submit_button{padding:20px 0 20px 180px;width:80%}body section div#result_header{margin:0 auto;text-align:left;width:80%}body section div#results{background-color:aqua;margin:0 auto;text-align:left;width:80%}body footer p{margin:20px auto;text-align:left;width:80%}
.clear{clear:both;float:none}body{background-color:lightgray;width:100%}body header div{margin:0 auto;width:80%}body header div p{text-align:left}body section div#request{margin:0 auto;width:80%}body section div#request p{text-align:left}body section form div#latitude_error{color:red;margin:0 auto;text-align:left;width:80%}body section form div#latitute_input{margin:10px auto;text-align:left;width:80%}body section form div#latitute_input div#latitute_input_label{float:left;text-align:right;width:80px}body section form div#latitute_input div#latitute_input_input{float:left;text-align:left;width:100px}body section form div#longitude_error{color:red;margin:0 auto;text-align:left;width:80%}body section form div#longitude_input{margin:10px auto;width:80%}body section form div#longitude_input div#longitude_input_label{float:left;text-align:right;width:80px}body section form div#longitude_input div#longitude_input_text{float:left;text-align:left;width:100px}body section form div#submit_button{padding:20px 0 20px 180px;width:80%}body section div#result_header{margin:0 auto;text-align:left;width:80%}body section div#results{background-color:white;margin:0 auto;text-align:left;width:80%}body footer p{margin:20px auto;text-align:left;width:80%}

7
css/system.css
View File

@ -10,6 +10,11 @@ body {
width: 80%; }
body header div p {
text-align: left; }
body section div#request {
margin: 0 auto;
width: 80%; }
body section div#request p {
text-align: left; }
body section form div#latitude_error {
color: red;
margin: 0 auto;
@ -51,7 +56,7 @@ body {
text-align: left;
width: 80%; }
body section div#results {
background-color: aqua;
background-color: white;
margin: 0 auto;
text-align: left;
width: 80%; }

BIN
db/RX.db
View File

Binary file not shown.

12
index.php → index.html
View File

@ -1,8 +1,3 @@
<?php
opcache_reset();
// apc_clear_cache();
?>
<!DOCTYPE html>
<html lang="en">
<head>
@ -17,10 +12,13 @@
<body>
<header>
<div>
<p>Please enter a Latitude and Longitude</p>
<h2>Find the closest Pharmacy to you</h2>
</div>
</header>
<section>
<div id="request">
<p>Please enter a Latitude and Longitude</p>
</div>
<form action="" method="get">
<div id="latitude_error"></div>
<div id="latitute_input">
@ -41,7 +39,7 @@
</div>
</div>
<div id="submit_button" class="clear">
<input type="button" onClick="submitForm()" value=" Save ">
<input type="button" onClick="submitForm()" value=" Find ">
</div>
</form>
</section>

27
js/system.js
View File

@ -1,7 +1,7 @@
let value_error = false; // Flag if Lat/Lon values are out of range.
let latitude_low = 38.0;
let latitude_high = 40.0;
let longitude_low = -96.0;
let longitude_low = -97.0;
let longitude_high = -94.0;
function submitForm()
@ -29,9 +29,26 @@ function submitForm()
// if Lat or Lon values are out of range return to form.
if (value_error) { return; }
// Call to API
$.ajax(
{
url : 'https://rhays.us/Examples/RX_API_Call/RX.php',
type : 'GET',
dataType: 'html',
data :
{
'K' : 'RLH1234',
'Latitude' : nLatitude,
'Longitude' : nLongitude
},
success : function(data)
{
$("#results").html(data);
},
error : function(request,error)
{
alert("Request: "+JSON.stringify(request));
}
});
alert('Submit Form');
}

12
scss/system.scss
View File

@ -25,6 +25,16 @@ body
section
{
div#request
{
margin: 0 auto;
width: 80%;
p
{
text-align: left;
}
}
form
{
div#latitude_error
@ -99,7 +109,7 @@ body
div#results
{
background-color: aqua;
background-color: white;
margin: 0 auto;
text-align: left;
width: 80%;

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