[Lookup] Change SCP lookup from GET to POST

stops memory leaks when searching callsigns like i/4o4a

application/controllers/Lookup.php

@@ -53,10 +53,9 @@ class Lookup extends CI_Controller {
 		$this->load->view('lookup/result', $data);
 	}
 
-	public function scp($call) {
-
-		if($call) {
-			$uppercase_callsign = strtoupper($call);
+	public function scp() {
+		if($_POST['callsign']) {
+			$uppercase_callsign = strtoupper($_POST['callsign']);
 		}
 
 		// SCP results from logbook

assets/js/sections/contesting.js

@@ -211,10 +211,19 @@ $('#start_date').change(function() {
 $("#callsign").keyup(function () {
 	var call = $(this).val();
 	if (call.length >= 3) {
-		$.get('lookup/scp/' + call.toUpperCase(), function (result) {
+
+		$.ajax({
+			url: 'lookup/scp',
+			method: 'POST',
+			data: {
+			  callsign: $(this).val().toUpperCase()
+			},
+			success: function(result) {
 			  $('.callsign-suggestions').text(result);
 			  highlight(call.toUpperCase());
+			}
 		  });
+
 		checkIfWorkedBefore();
 		var qTable = $('.qsotable').DataTable();
 		qTable.search(call).draw();

assets/js/sections/qso.js

@@ -775,8 +775,15 @@ $("#callsign").on("keypress", function(e) {
 $("#callsign").keyup(function() {
 	if ($(this).val().length >= 3) {
 	  $('.callsign-suggest').show();
-		$.get('lookup/scp/' + $(this).val().toUpperCase(), function(result) {
+	  $.ajax({
+		url: 'lookup/scp',
+		method: 'POST',
+		data: {
+		  callsign: $(this).val().toUpperCase()
+		},
+		success: function(result) {
 		  $('.callsign-suggestions').text(result);
+		}
 	  });
 	}
   });