6 changed files with 465 additions and 51 deletions
@ -0,0 +1,183 @@ |
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<?php |
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/** |
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* RX2 - Main API to process in coming request for closest location. |
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* 2019-09-29 |
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* Rick Hays |
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* |
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*/ |
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|
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include_once 'assets/classes/geocode.php'; |
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|
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// See if we are in test mode ////////////////////////////////////////////////////////////////////////////////////// |
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$TEST = GetParam('T', 0); |
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//////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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|
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// Test Key before allowing access - No encryption, simple key test. |
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$key = strtoupper(GetParam('K')); |
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if ($key !== 'RLH4321') |
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{ |
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$result['status'] = 'ERROR'; |
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$result['code'] = '100'; |
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$result['description'] = 'Bad Key Code.'; |
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$jsonOut = json_encode($result); |
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} |
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else |
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{ |
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$request_method = strtoupper($_SERVER["REQUEST_METHOD"]); |
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$command = strtoupper(GetParam('C')); |
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$address = rawurldecode(GetParam('address')) . ''; |
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switch ($request_method) |
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{ |
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case 'GET': |
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switch ($command) |
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{ |
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case 'LL': |
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if ($address === '') |
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{ |
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$aOutput = array |
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( |
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'status' => 'ERROR', |
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'code' => '101', |
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'description' => 'No Address present.', |
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); |
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$jsonOut = json_encode($aOutput); |
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break; |
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} // if ($address === '') |
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$geo = new geocode(); |
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$latlon = $geo->getLatLong($address); |
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$jsonOut = json_encode($latlon); |
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$geo = NULL; |
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break; |
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case 'DIST': |
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if ($address === '') |
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{ |
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$aOutput = array |
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( |
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'status' => 'ERROR', |
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'code' => '101', |
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'description' => 'No Address present.', |
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); |
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$jsonOut = json_encode($aOutput); |
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break; |
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} // if ($address === '') |
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$geo = new geocode(); |
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$db = new PDO('sqlite:assets/db/RX.db'); |
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$latlon = $geo->getLatLong($address); |
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if ($latlon['status'] === 'OK') |
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{ |
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$shortest = 999999.99; // <-- Sets to a very high value to find shortest distance below. |
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$pharmacies = $db->query('SELECT rowid,* FROM pharmacies'); |
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$SKIP = 0; // Part of test mode to skip all but one record in DB |
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foreach ($pharmacies as $pharmacy) |
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{ |
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$destination = $pharmacy['Address'] . ' ' . $pharmacy['City'] . ' ' . $pharmacy['State'] . ' ' . $pharmacy['Zip']; |
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if ($SKIP === 0) $result = $geo->getDistance($address, $destination); |
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if ($TEST == 1) $SKIP = 1; |
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if ($result['status'] === 'OK') |
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{ |
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$distance = floatval(preg_replace('/[^0-9.]/', '', $result['distance'])); |
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if ($distance < $shortest) |
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{ |
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$aOutput = array |
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( |
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'pharmacy' => $pharmacy['Pharmacy'], |
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'address' => $pharmacy['Address'], |
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'city' => $pharmacy['City'], |
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'state' => $pharmacy['State'], |
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'zip' => $pharmacy['Zip'], |
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'latitude' => $pharmacy['Latitude'], |
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'longitude' => $pharmacy['Longitude'], |
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'home_lat' => $latlon['lat'], |
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'home_lon' => $latlon['lon'], |
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'status' => $result['status'], |
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'distance' => $result['distance'], |
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'duration' => $result['duration'], |
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); |
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$shortest = $distance; |
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} // if ($result['distance'] < $shortest) |
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} // if ($result['status'] === 'OK') |
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else |
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{ |
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$aOutput = array |
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( |
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'status' => 'ERROR', |
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'code' => '104', |
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'description' => "Problem returning distance between address and pharmacy.\nAddress: " . $address . "\nPharmacy( ROWID: " . $pharmacy['rowid'] . " Name: " . $pharmacy['Pharmacy'] . ') ', |
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); |
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$jsonOut = json_encode($aOutput); |
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break; |
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} //else ($result['status'] === 'OK') |
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} // foreach ($pharmacies as $pharmacy) |
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} // if ($latlon['status'] === 'OK') |
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else |
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{ |
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$aOutput = array |
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( |
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'status' => 'ERROR', |
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'code' => '103', |
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'description' => "Problem returning Lat / Lon.\nAddress: " . $address, |
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); |
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$jsonOut = json_encode($aOutput); |
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break; |
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|
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} // else ($latlon['status'] === 'OK') |
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$jsonOut = json_encode($aOutput); |
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$db = NULL; |
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$geo = NULL; |
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break; |
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|
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default: |
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$aOutput = array |
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( |
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'status' => 'ERROR', |
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'code' => '102', |
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'description' => "Invalid Command sent - " . $command, |
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); |
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$jsonOut = json_encode($aOutput); |
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break; |
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|
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} // switch ($command) |
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break; |
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|
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// case 'POST': |
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// break; |
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// |
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// case 'PUT': |
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// break; |
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// |
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// case 'DELETE': |
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// break; |
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// |
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default: |
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// Invalid Request Method |
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header("HTTP/1.0 405 Method Not Allowed"); |
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exit; |
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|
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} // switch ($request_method) |
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} // else ($key !== 'RLH4321') |
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echo $jsonOut; |
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|
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// ##### END OF PROGRAM ################################################################################################ |
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|
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/** |
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* GetParam - Returns the GET or POST values, and allows for defaults if not present. |
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* @param $param_name |
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* @param null $default |
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* |
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* @return string|null |
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*/ |
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function GetParam($param_name, $default=NULL) |
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{ |
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global $_POST; |
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global $_GET; |
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$param_value = ""; |
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|
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if(isset($_POST[$param_name])) |
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$param_value = $_POST[$param_name]; |
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else if(isset($_GET[$param_name])) |
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$param_value = $_GET[$param_name]; |
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else if($param_value === '') |
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$param_value = $default; |
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return $param_value; |
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} |
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@ -0,0 +1,112 @@ |
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<?php |
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/**************************************************** |
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* Geocode Class - Collection of geocoding Utilities |
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* |
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* Created By: Rick Hays |
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* Date: 2011-09-12 |
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* |
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* Revisions: |
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* 2011-09-12 RLH Added "straight_line_distance" |
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* 2011-09-12 RLH Added "getLatLong" |
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* 2019-09-28 RLH Added "getDistance" |
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* |
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*****************************************************/ |
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require_once 'key.php'; |
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|
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class geocode |
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{ |
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/******************************************************************************************************************* |
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* straight_line_distance - Returns Straight Line distance between two sets of (LAT/LONGS) |
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* |
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* @param float $lat1 - Latitude of Location #1 |
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* @param float $lon1 - Longitude of Location #1 |
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* @param float $lat2 - Latitude of Location #2 |
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* @param float $lon2 - Longitude of Location #2 |
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* @param string $unit - Unit of measure [DEFAULT = statute miles] ('K'=kilometers, 'N'=nautical miles) |
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* |
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* @return float - returns the distance in the desired unit of measure. |
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*/ |
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public function straight_line_distance($lat1, $lon1, $lat2, $lon2, $unit='') |
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{ |
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$theta = $lon1 - $lon2; |
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$dist = sin(deg2rad($lat1)) * sin(deg2rad($lat2)) + cos(deg2rad($lat1)) * cos(deg2rad($lat2)) * cos(deg2rad($theta)); |
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$dist = acos($dist); |
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$dist = rad2deg($dist); |
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$miles = $dist * 60 * 1.1515; |
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$unit = strtoupper($unit); |
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if ($unit == "K") { return ($miles * 1.609344); } // Return in Kilometers |
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else if ($unit == "N") { return ($miles * 0.8684); } // Return in Nautical Miles |
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else { return $miles; } // Return in Miles |
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} |
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|
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/******************************************************************************************************************* |
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* getLatLong - Converts a string with a street address into Lat/Long coordinates using a Google call. |
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* |
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* @param string $address - Text address to convert. |
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* |
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* @return array |
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*/ |
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public function getLatLong($address) |
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{ |
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if (!is_string($address))die("All Addresses must be passed as a string"); |
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$_url = sprintf('https://maps.googleapis.com/maps/api/geocode/json?address=%s&'.API_KEY,rawurlencode($address)); |
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if($_result = file_get_contents($_url)) |
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{ |
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$decode = json_decode($_result,true); |
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$_coords['status'] = $decode['status']; |
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$_coords['lat'] = $decode['results'][0]['geometry']['location']['lat']; |
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$_coords['lon'] = $decode['results'][0]['geometry']['location']['lng']; |
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return $_coords; |
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}else die('Nothing was returned'); |
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|
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} |
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|
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/******************************************************************************************************************* |
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* @param $origin |
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* @param $destination |
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* @param string $mode (driving, walking, bicycling) |
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* @param string $units (metric, imperial) |
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* |
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* @return array |
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* @example - https://maps.googleapis.com/maps/api/distancematrix/json?'.$this->api_key.'&origins='.rawurlencode($origin).'&destinations='.rawurlencode($destination).'&mode=driving&units=imperial&sensor=false |
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* |
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*/ |
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public function getDistance($origin, $destination, $mode='driving', $unit='imperial') |
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{ |
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// Set defaults to test for |
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$modes = array('driving', 'walking', 'bicycling'); |
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$units = array('metric', 'imperial'); |
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|
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// Test that addresses are present |
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if (!is_string($origin) || !is_string($destination))die("All Addresses must be passed as a string"); |
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|
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// Test that Mode is present and of correct value |
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$mode = strtolower($mode); |
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if (!in_array($mode, $modes))die("Mode not correct"); |
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|
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// Test that Unit is present and of correct value |
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$unit = strtolower($unit); |
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if (!in_array($unit, $units))die("Unit not correct"); |
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|
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// Prep string for send ie(remove spaces and other objects) |
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$_origin = rawurlencode($origin); |
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$_destination = rawurlencode($destination); |
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$_mode = rawurlencode($mode); |
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$_unit = rawurlencode($unit); |
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|
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$_url = sprintf('https://maps.googleapis.com/maps/api/distancematrix/json?%s&origins=%s&destinations=%s&mode=%s&units=%s&sensor=false',API_KEY, $_origin, $_destination, $_mode, $_unit); |
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if($_result = file_get_contents($_url)) |
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{ |
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$decode = json_decode($_result,true); |
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$_dist['status'] = $decode['status']; |
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$_dist['distance'] = $decode['rows'][0]['elements'][0]['distance']['text']; |
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$_dist['duration'] = $decode['rows'][0]['elements'][0]['duration']['text']; |
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return $_dist; |
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}else die('Nothing was returned'); |
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} |
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|
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} // End Class GEOCODE |
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|
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|
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|
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|
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@ -0,0 +1,85 @@ |
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function btnFind() |
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{ |
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// Reset Rows
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$("#alertBox").hide(); |
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$(".alert").html(""); |
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$('.alert').removeClass('alert-warning').removeClass('alert-danger').addClass('alert-warning'); |
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$("#spinnerBox").hide(); |
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$("#txtOutput").hide(); |
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|
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// Set Vars
|
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let txtAddress = $("#txtAddress").val() + ""; |
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// Quick test to make sure address was entered.
|
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if (txtAddress === "") |
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{ |
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$(".alert").html("You have to enter an address first."); |
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$("#alertBox").show(); |
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return; |
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} |
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|
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// Show Spinner
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$("#spinnerBox").show(); |
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|
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// API - Call geocode API
|
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// K = (Required) Key, allows access to API
|
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// C = (Required) Command,
|
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// LL - Will return the Lat/Lon of a given address.
|
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// DIST - Will return the distance information.
|
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// T = (Optional) Test, Test Mode = 1 will only pull one record from the DB
|
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// ADDRESS = Address you want to return the Lat/Lon or Distance from.
|
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$.ajax( |
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{ |
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url : 'https://rhays.us/Examples/RX_API_Two/RX2.php', |
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type : 'GET', |
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dataType: 'json', |
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data : |
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{ |
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'K' : 'RLH4321', |
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'C' : 'DIST', |
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'T' : '1', |
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'address' : txtAddress, |
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}, |
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success : function(data) |
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{ |
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switch(data.status.toUpperCase()) |
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{ |
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case 'OK': |
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sOutput = '<p>The Pharmacy closest to the address location you entered is: </p>'; |
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sOutput = sOutput + 'Pharmacy: <b>' + data.pharmacy + '</b><br/>'; |
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sOutput = sOutput + 'Address: <b>' + data.address + '</b><br/>'; |
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sOutput = sOutput + 'City: <b>' + data.city + '</b><br/>'; |
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sOutput = sOutput + 'State: <b>' + data.state + '</b><br/>'; |
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sOutput = sOutput + 'Zip: <b>' + data.zip + '</b><br/><br/>'; |
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sOutput = sOutput + '<p>Approx. Drive time and distance:</p>'; |
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sOutput = sOutput + 'Distance: <b>' + data.distance + '</b><br/>'; |
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sOutput = sOutput + 'Duration: <b>' + data.duration + '</b><br/>'; |
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|
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$("#txtOutput").html(sOutput); |
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$("#spinnerBox").hide(); |
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$("#txtOutput").show(); |
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break; |
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case 'ERROR': |
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$("#spinnerBox").hide(); |
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$('.alert').removeClass('alert-warning').removeClass('alert-danger').addClass('alert-danger'); |
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$(".alert").html(JSON.stringify('Error code: ' + data.code + ' - ' + data.description)); |
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$("#alertBox").show(); |
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break; |
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} |
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}, |
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error : function(request,error) |
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{ |
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$("#spinnerBox").hide(); |
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$('.alert').removeClass('alert-warning').removeClass('alert-danger').addClass('alert-danger'); |
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$(".alert").html('SYSTEM.JS<br/> ' + JSON.stringify(request)); |
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$("#alertBox").show(); |
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return; |
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}, |
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// TODO: Hook to put in status codes
|
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// statusCode:
|
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// {
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// 404: function() {
|
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// alert( "page not found" );
|
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// }
|
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// },
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}); |
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} |
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@ -1,55 +1,58 @@ |
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<!DOCTYPE html> |
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<html> |
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|
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<html lang="en"> |
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<head> |
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<meta charset="utf-8"> |
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<meta name="viewport" content="width=device-width, initial-scale=1.0, shrink-to-fit=no"> |
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<title>RX_API_Two</title> |
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<link rel="stylesheet" href="assets/bootstrap/css/bootstrap.min.css"> |
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<link rel="stylesheet" href="assets/css/styles.css"> |
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<script src="assets/js/system.js"></script> |
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</head> |
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|
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<body> |
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<!-- Start: 2 Rows 1+3 Columns --> |
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<div></div> |
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<!-- End: 2 Rows 1+3 Columns --> |
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<!-- Start: 2 Rows 1+1 Columns --> |
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<div> |
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|
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<div class="container"> |
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<div><p> </p></div> |
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<div class="row"> |
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<div class="col-md-12" style="background-color: #bca59e;"> |
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<h1 class="text-center">RX API Two</h1> |
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</div> |
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</div> |
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<div><p> </p></div> |
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<div class="row"> |
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<div class="col-md-12 text-center align-self-center"><strong>Please enter your address to find the closest pharmacy near you.</strong></div> |
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</div> |
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<div class="col-md-12 text-center align-self-center"><strong>Enter your address to find the closest pharmacy near you.</strong></div> |
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</div> |
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</div> |
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<!-- End: 2 Rows 1+1 Columns --> |
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<!-- Start: 2 Rows 1+1 Columns --> |
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<div> |
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<div class="container"> |
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<div class="row"> |
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<div class="col-md-12 text-center align-self-center m-auto"><input class="form-control-lg" type="text" maxlength="255" required="" placeholder="Type Address Here" autofocus="" style="width: 300px;"></div> |
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<div><p> </p></div> |
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<div id="alertBox" class="row collapse hide"> |
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<div class="col-md-12 text-center align-self-center"> |
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<div class="alert alert-warning" role="alert"> |
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<span><strong>Alert</strong> text.</span> |
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</div> |
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</div> |
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<div><p> </p></div> |
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</div> |
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<div class="row"> |
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<div class="col-md-12 text-center align-self-center"><button class="btn btn-primary" type="button">Find Closest</button></div> |
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<div class="col-md-12 text-center align-self-center m-auto"><input id="txtAddress" class="form-control-lg" type="text" maxlength="255" required="" placeholder="Type Address Here" autofocus="" style="width: 300px;"></div> |
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</div> |
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<div><p> </p></div> |
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<div class="row"> |
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<div class="col-md-12 text-center align-self-center"><button id="btnFind" class="btn btn-primary" type="button" onClick="btnFind()">Find Closest</button></div> |
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</div> |
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</div> |
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<!-- End: 2 Rows 1+1 Columns --> |
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<!-- Start: 1 Row 1 Column --> |
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<div> |
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<div class="container"> |
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<div class="row"> |
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<div class="col-md-12"></div> |
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<div><p> </p></div> |
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<div id="spinnerBox" class="row collapse hide"> |
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<div class="col-md-12 text-center align-self-center"> |
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<span class="spinner-border spinner-border-lg" role="status"></span> |
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</div> |
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</div> |
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<div id="txtOutput" class="row collapse hide" style="background-color: beige;"> |
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<div class="col-md-12"></div> |
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</div> |
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<!-- End: 1 Row 1 Column --> |
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</div> |
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|
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<script src="assets/js/jquery.min.js"></script> |
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<script src="assets/bootstrap/js/bootstrap.min.js"></script> |
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</body> |
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|
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</html> |
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Reference in new issue