Finish project. Please read the readme.

Signed-off-by: Rick Hays <rhays@haysgang.com>
2019-09-25 21:07:14 -05:00
parent 1c2488c808
commit ec443db999
8 changed files with 183 additions and 15 deletions
--- a/RX.php
+++ b/RX.php
@@ -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;
+	}