First attempt at converting "sig" to "activity" for v3

static/js/bands.js

@@ -20,7 +20,7 @@ function loadSpots() {
         sseAbortController.abort();
     }
     $.ajax({
-        url: '/api/v2/spots' + buildQueryString(), dataType: 'json', success: function (jsonData) {
+        url: '/api/v3/spots' + buildQueryString(), dataType: 'json', success: function (jsonData) {
             // Store data
             spots = jsonData;
             // Update bands display
@@ -39,7 +39,7 @@ function startSSEConnection() {
     sseAbortController = new AbortController();
 
     // No need to include QRZ/HamQTH credentials because the information wouldn't be displayed on the bands panel anyway
-    fetchEventSource('/api/v2/spots/stream' + buildQueryString(), {
+    fetchEventSource('/api/v3/spots/stream' + buildQueryString(), {
         signal: sseAbortController.signal,
         openWhenHidden: true,
 
@@ -80,7 +80,7 @@ function expireOldSpots() {
 // in the bands page's version of this, because nothing QRZ.com/HamQTH can provide will affect the display.
 function buildQueryString() {
     let str = "?";
-    ["dx_continent", "de_continent", "mode", "source", "band", "sig"].forEach(fn => {
+    ["dx_continent", "de_continent", "mode", "source", "band", "activity"].forEach(fn => {
         if (!allFilterOptionsSelected(fn)) {
             str = str + getQueryStringFor(fn) + "&";
         }
@@ -281,7 +281,7 @@ function removeDuplicatesForBandPanel(spotList) {
 // Load server options. Once a successful callback is made from this, we then query spots and set up the timer to query
 // spots repeatedly.
 function loadOptions() {
-    $.getJSON('/api/v2/options', function (jsonData) {
+    $.getJSON('/api/v3/options', function (jsonData) {
         // Store options
         options = jsonData;
 
@@ -295,7 +295,7 @@ function loadOptions() {
 
         // Populate the filters panel
         generateBandsMultiToggleFilterCard(options["bands"]);
-        generateActivitiesMultiToggleFilterCard(options["sigs"]);
+        generateActivitiesMultiToggleFilterCard(options["activities"]);
         generateMultiToggleFilterCard("#dx_continent_options", "dx_continent", options["continents"]);
         generateMultiToggleFilterCard("#de_continent_options", "de_continent", options["continents"]);
         generateModesMultiToggleFilterCard(options["modes"]);